Bluetooth Pen Meter (DPH1+)

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The Bluetooth Pen Meter (DPH1+) is a pocket-sized, single-parameter Bluetooth-enabled pen tester measuring pH (-2.00 to 16.00) with ±0.01 pH ±1 digit accuracy and 0.1/0.01 resolution, and ORP (-1000.0 to +1000.0 mV) with ±0.1 percent of full scale ±1 digit accuracy, featuring replaceable combined electrode design (DPH1-S), multi-color backlit LCD display with reading stability indicator and automatic data lock, IP67 dustproof and waterproof rating, 0 to 60 degrees Celsius temperature measurement with ±0.2 degrees Celsius accuracy, automatic temperature compensation (ATC), 1 to 3 point automatic pH calibration with buffer recognition, support for CH, USA, and NIST standard buffer solutions, low battery indicator, user-configurable automatic shut-off and backlight duration, power-on self-diagnosis, and Bluetooth connectivity to a mobile application for two-way control, unlimited data storage, graphical display modes (graph, table, dial, general), graphic navigation operation guides, calibration reminders, measurement object ID management, timed storage, and high/low value warning settings—with complete field-ready kit including hard carrying case (28.0 × 23.0 × 8.2 centimeters), pH buffers (pH 4.00, 6.86, and 9.18, 30 mL each), 3 mol KCl electrode storage solution (10 mL), sample vials (30 mL × 3), four AAA batteries, and lanyard—ideal for water quality testing in clinical, pharmaceutical, and environmental applications .

For the dialysis technician, water quality specialist, clinical laboratory scientist, pharmaceutical QC chemist, and infection control officer, the Bluetooth Pen Meter (DPH1+) enables rapid, on-site pH and ORP measurement of biological fluids (serum, plasma, urine, cerebrospinal fluid) for metabolic assessment, purified water systems, dialysis fluids, and pharmaceutical process water—critical parameters for ensuring patient safety during renal replacement therapy, diagnosing acid-base disorders, verifying disinfection efficacy, and supporting drug manufacturing .

Key features include multi-color backlit display with reading stability indicator and automatic data lock when stable, power-on self-diagnosis function, low battery indicator, user-configurable automatic shut-off time and backlight duration, replaceable electrode design with removable protective cover for extended instrument life and easy cleaning, and compatibility with CH, USA, and NIST calibration standards . The IP67 dustproof and waterproof rating ensures reliable operation in harsh field environments, while the complete accessory kit provides field-ready capability .

The Bluetooth connectivity allows wireless connection to a mobile application with two-way control, unlimited data storage, graphical display modes (graph mode for trend analysis, table mode for data review, dial mode for analog-style reading, and general mode for basic measurement), graphic navigation operation guides for user training, calibration reminders to ensure instrument accuracy, measurement object ID management for traceability, timed storage for scheduled data logging, and high/low value warning settings for critical parameter monitoring .

The replaceable DPH1-S electrode is pre-installed in new meters and is available as a replacement part, extending instrument service life—electrode replacement rather than complete meter replacement. The electrode features a removable protective cover that prevents damage to the glass bulb and facilitates cleaning . The electrode must be stored with the pH sensing bulb moist using 3 mol KCl storage solution to prevent drying .

For the patient, accurate pH and ORP monitoring of water used in dialysis and pharmaceutical manufacturing ensures that critical treatment fluids meet stringent safety and quality standards—preventing potential harm from improperly treated water and supporting the production of safe, effective medications. Additionally, pH measurement of biological fluids supports early detection of metabolic disturbances, acid-base imbalances, and renal dysfunction—enabling timely clinical intervention.

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Categories: LABORATORY EQUIPMENT AND SUPPLIES, Analyzers Tags: Bluetooth Pen Meter (DPH1+), Bluetooth pH Tester, Dialysis Water Testing, DLAB Bluetooth Pen Meter (DPH1+), IP67 pH Meter, ORP Measurement, pH Pen Meter with Bluetooth, Pharmaceutical Water QC, Pocket pH/ORP Tester, Portable pH Meter, Water Quality Testing

Description

Bluetooth Pen Meter (DPH1+)

PRIMARY CLINICAL & DIAGNOSTIC USES

Wireless pH Measurement for Metabolic Assessment

Primary Use: Provides a pocket-sized, Bluetooth-enabled pen meter that measures pH (-2.00 to 16.00) with accuracy of ±0.01 pH ±1 digit, automatic temperature compensation (0-60°C), and 1 to 3-point automatic calibration, specifically designed for assessing pH of biological fluids and water samples .
How it helps: For the clinical laboratory scientist and medical technologist, the DPH1+ enables rapid, accurate pH measurement of biological fluids—supporting diagnosis of metabolic acidosis, alkalosis, diabetic ketoacidosis, and renal tubular disorders. The multi-color backlit display ensures easy reading in various lighting conditions, while the IP67 dustproof and waterproof rating allows for use in demanding clinical environments . For the patient, accurate pH measurement of biological fluids supports early detection of metabolic disturbances, acid-base imbalances, and renal dysfunction—enabling timely clinical intervention.

ORP Measurement for Disinfection Efficacy Monitoring

Primary Use: Measures oxidation-reduction potential from -1000.0 to +1000.0 mV with accuracy of ±0.1 percent of full scale ±1 digit using the installed DPH1-S electrode, providing direct assessment of the oxidizing power of disinfection processes .
How it helps: For infection control officers and dialysis technicians, ORP measurement using the DPH1+ enables rapid, on-site verification of disinfection efficacy in purified water loops, dialysis water systems, and hospital plumbing—directly confirming that oxidizing agents such as chlorine are present at effective concentrations for microbial control . For the patient, accurate ORP monitoring ensures that water used in renal replacement therapy meets critical safety standards for dialysis treatment.

Quality Control of Dialysis Water and Purified Water Systems

Primary Use: Used to verify pH of dialysis water, purified water loops, and water-for-injection (WFI) systems in healthcare and pharmaceutical facilities, ensuring compliance with quality standards .
How it helps: For dialysis technicians, water quality specialists, and pharmaceutical QC chemists, the DPH1+ provides reliable pH verification of water used in renal replacement therapy and drug manufacturing. The replaceable electrode design (DPH1-S) extends instrument service life, while the reading stability indicator and automatic data lock ensure accurate, reproducible measurements . For the patient, rigorous pH monitoring of dialysis water helps prevent adverse events related to improper water composition, ensuring the safety and efficacy of renal replacement therapy.

Bluetooth Mobile Application Integration for Data Management

Primary Use: Supports Bluetooth connection to a dedicated mobile application for two-way control, unlimited data storage, graphical data display (graph, table, dial, and general modes), calibration reminders, measurement object ID management, timed storage, and graphic navigation operation guides .
How it helps: For the laboratory manager and quality assurance officer, the mobile application eliminates manual data entry errors by automatically transferring measurements to a mobile device. The application features calibration reminders to ensure instrument accuracy is maintained, measurement object ID management for traceability to specific sampling points, and timed storage for data logging . The four display modes—graph mode for trend analysis, table mode for data review, dial mode for analog-style reading, and general mode for basic measurement—allow users to visualize water quality data in the format most appropriate for their application . For the patient, enhanced data integrity ensures that water quality records for pharmaceutical manufacturing and dialysis water systems are complete, auditable, and compliant with regulatory standards.

Replaceable Electrode Design for Extended Instrument Life

Primary Use: Features a replaceable combined electrode (DPH1-S) design that allows electrode replacement when the original probe reaches end of life, significantly extending instrument service life .
How it helps: For the laboratory manager and equipment coordinator, the replaceable electrode design reduces total cost of ownership by allowing electrode replacement rather than complete instrument replacement when performance degrades. The combination electrode integrates pH sensing, reference, and temperature sensor into a single replaceable probe, and the instrument can also be adapted to measure ORP with the same probe . For the patient, reliable, well-maintained equipment ensures consistent water quality monitoring, reducing the risk of undetected water quality issues.

SECONDARY & SUPPORTIVE USES

1. pH Measurement of Pharmaceutical Preparations: Used to verify pH of intravenous solutions, parenteral nutrition formulations, dialysis fluids, and other pharmaceutical preparations requiring precise pH control .

2. pH Testing of Purified Water Systems: Monitors pH of purified water, water-for-injection (WFI), and distilled water in hospital and laboratory water treatment systems .

3. pH Assessment of Gastrointestinal Fluids: Measures pH of gastric aspirate and other gastrointestinal fluid samples for diagnostic evaluation of digestive disorders.

4. pH Monitoring in Dialysis and Renal Care: Measures pH of dialysate solutions and patient samples in hemodialysis and peritoneal dialysis settings to ensure proper acid-base management.

5. Quality Control in Blood Gas Analysis: Supports pH verification of blood gas quality control materials for assessment of blood gas analyzer performance.

6. pH Testing of Culture Media: Used to verify pH of microbiological culture media and cell culture media to ensure optimal growth conditions for diagnostic cultures .

7. pH Measurement in Veterinary Diagnostic Laboratories: Used for pH measurement of animal blood, urine, and tissue samples in veterinary diagnostic workflows.

8. Environmental and Water Quality Monitoring: Measures pH of water samples in hospital environmental monitoring programs, including cooling towers, boiler feed water, and wastewater discharge .

9. Drinking Water and Aquarium Testing: Suitable for pH measurement of drinking water, aquarium water, and other non-viscous aqueous samples .

10. Pool and Spa Water Quality Monitoring: Monitors pH levels in hospital hydrotherapy pools, aquatic therapy centers, and spas to ensure water quality .

11. Educational and Training Laboratories: Serves as a teaching tool for demonstrating pH measurement principles and Bluetooth-enabled smart instrumentation in medical technology and clinical laboratory science training programs.

12. Pharmaceutical Quality Control: Used in QC laboratories for pH verification of raw materials, in-process samples, and finished pharmaceutical products.

13. Food and Beverage Quality Control: Verifies pH of food and beverage products in hospital nutrition services and food safety testing .

14. Field and Remote Sample Testing: Portable design allows for on-site pH measurement in diverse locations including patient bedside, field studies, and remote healthcare facilities .

15. Reagent and Buffer Quality Verification: Used to verify pH of diagnostic reagents, buffers, staining solutions, and culture media in clinical chemistry, histopathology, and microbiology laboratories.

16. Hydroponic and Agricultural Testing: Monitors pH of nutrient solutions in controlled environment agriculture and research plant growth facilities .

17. Wastewater Treatment Monitoring: Assesses pH levels in hospital wastewater treatment systems to evaluate treatment process performance .

18. Non-Concentrated Chemical Testing: Suitable for pH measurement of non-concentrated chemicals and non-viscous beverages in quality control applications .

KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A pocket-sized, Bluetooth-enabled pen meter capable of measuring pH, ORP, and temperature, with replaceable combined electrode design (DPH1-S), multi-color backlit LCD display, IP67 dustproof and waterproof rating, and mobile application connectivity for wireless data management .
Designation: Bluetooth Pen Meter (DPH1+), DPH1+ Pen-Type pH/ORP Meter, Pocket pH Analyzer with Bluetooth, DLAB Bluetooth Pen Meter (DPH1+), Bluetooth pH Tester .
Key Components:
- Instrument Meter: Pocket-sized pen housing with multi-color backlit LCD display, IP67 dustproof and waterproof rating, low battery indicator, and power-on self-diagnosis function .
- Multi-Parameter Electrode: Replaceable combined probe (DPH1-S, pre-installed) for pH, ORP, and temperature measurement with removable electrode bulb protective cover for easy cleaning .
- pH Buffer Solutions: pH 4.00, pH 6.86, and pH 9.18 calibration buffers, 30 mL each .
- Electrode Storage Solution: 3 mol KCl pH/ORP electrode soaking solution, 10 mL .
- Sample Vials: 30 mL sample vials (3 pieces) for convenient sample collection and testing .
- Power Supply: Four 1.5 volt AAA alkaline batteries (pre-installed) .
- Accessories: Hard carrying case (28.0 × 23.0 × 8.2 centimeters), lanyard, instruction manual .
- Bluetooth Features: Wireless connectivity to mobile application for two-way control, unlimited data storage, graphical display modes (graph, table, dial, general), graphic navigation operation guides, calibration reminders, measurement object ID management, timed storage, and high/low value warning settings .

2. TECHNICAL & PERFORMANCE PROPERTIES

Measurement Parameters: pH/millivolts/degrees Celsius | ORP/millivolts/degrees Celsius .
pH Measurement Range: (-2.00 to 16.00) pH .
pH Resolution: 0.1 or 0.01 (selectable) .
pH Accuracy: ±0.01 pH ±1 digit .
pH Calibration: 1 to 3 points automatic calibration; automatic buffer recognition; supports CH, USA, and NIST standard buffer solutions .
pH Automatic Temperature Compensation Range: 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit) .
ORP Measurement Range: (-1000.0 to +1000.0) millivolts .
ORP Resolution: 0.1 or 1 (selectable) .
ORP Accuracy: ±0.1 percent of full scale ±1 digit .
Temperature Measurement Range: 0.0 to 60.0 degrees Celsius (32.0 to 140.0 degrees Fahrenheit) .
Temperature Accuracy: ±0.2 degrees Celsius .
Display: Multi-color backlit LCD display; display mode changes color based on measurement status; reading stability indicator; automatic data lock when stable .
User Settings: Customizable automatic shut-off time; adjustable backlight display duration; low voltage indicator; power-on self-diagnosis function; restore to factory default function .
Mobile Application Features: Calibration reminders, measurement object ID management, timed storage, graphic navigation operation guides, diverse display interfaces (graph, table, dial, general), high/low value warning settings .
Protection Class: IP67 (dustproof and waterproof against temporary immersion up to 1 meter for 30 minutes), suitable for harsh field environments .
Power: Four AAA alkaline batteries (1.5 volts each); user replaceable; low battery indicator .
Dimensions (Carrying Case): 28.0 × 23.0 × 8.2 centimeters .
Electrode Compatibility: Replaceable combined probe (DPH1-S) with removable electrode bulb protective cover .
Quality System: Manufactured under ISO 9001:2015 quality management system .
Warranty: 1 year manufacturer warranty (electrodes and batteries are consumables and not covered) .

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: Pocket-sized, ergonomic pen-style handheld design with replaceable combined probe; IP67 dustproof and waterproof rating for field use and harsh environments .
Display: Multi-color backlit LCD display; screen color changes based on measurement status and data stability; power-on self-diagnosis function .
User Interface: Simple operation; short press to power on; mode selection for pH and ORP; reading stability indicator (smiley icon) confirms stable measurement; automatic data lock automatically locks readings when stable .
Calibration: pH module supports 1 to 3 point automatic calibration with buffer recognition; supports CH, USA, and NIST standard buffer options .
Measurement Modes: Single parameter pH measurement; displays pH in pH units and temperature in degrees Celsius or degrees Fahrenheit simultaneously; ORP measurement with same electrode .
Data Locking: Auto-hold function automatically locks readings when stability indicator confirms stable measurement; short press to release auto-hold .
Replaceable Electrode: Combined probe design allows electrode replacement (DPH1-S) to extend instrument service life; removable protective cover for electrode bulb prevents damage and facilitates cleaning .
Bluetooth Operation: Wireless connection to mobile application for two-way control, data transfer, and advanced data management; application provides graphic navigation operation guides for user training and troubleshooting .
Application Display Modes: Provides four display modes—graph mode for trend visualization, table mode for data review, dial mode for analog-style reading, and general mode for basic measurement .
Application Features: Includes calibration reminders to ensure instrument accuracy, measurement object ID management for traceability, timed storage for scheduled data logging, and unlimited data storage .
Portability: Compact pocket-sized design with hard carrying case for safe transport and storage; lanyard included for convenient carrying .
Power Management: Low voltage indicator alerts when batteries need replacement; user-configurable automatic shut-off and backlight duration to conserve battery life .
Self-Diagnosis: Power-on self-diagnosis function verifies system integrity before each use .
Factory Reset: Restore to factory default function available for calibration and parameter restoration .
Electrode Storage: Store electrode with protective cap in place; keep pH sensing bulb moist using 3 mol KCl storage solution to prevent drying; never store dry .

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: In Vitro Diagnostic preparatory equipment; laboratory water quality testing instrument .
Safety Certifications: Manufactured under ISO 9001:2015 quality management system; CE compliant .
Protection Class: IP67 (dustproof and waterproof against temporary immersion up to 1 meter for 30 minutes), suitable for harsh field environments .
Electrical Safety: Low-voltage operation with four AAA batteries (1.5 volts each); safe for use in laboratory and field environments.
Material Safety: Plastic housing with replaceable combined probe; glass pH sensing bulb; removable protective cover; polycarbonate electrode body; RoHS compliant materials.
Calibration Compliance: Supports CH, USA, and NIST standard buffer solutions for region-specific calibration requirements .
GLP Compliance: Multi-point calibration capability, calibration reminders, data locking, and mobile application data storage support quality documentation for regulatory compliance .
Bluetooth Security: Bluetooth connection requires pairing; secure data transfer; application supports user authentication.
Electrode Replacement Indicator: Replace probe when readings become unstable, calibration fails repeatedly, glass bulb is cracked, or physical damage is visible .

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store the meter in its hard carrying case in a clean, dry environment; protect from extreme temperatures and direct sunlight; remove batteries for long-term storage .
Cleaning: Rinse the pH electrode with distilled water after each use; wipe the meter body with a soft, damp cloth using a mild detergent; do not submerge the meter body beyond the IP67 rating limits; for the glass pH bulb, avoid touching or scrubbing with abrasive materials; the removable protective cover facilitates cleaning of the electrode bulb .
Inspection: Inspect the electrode for damage or contamination before each use; check the glass pH bulb for cracks or damage; verify calibration before critical measurements; power-on self-diagnosis function verifies system integrity .
Operation: Remove the protective cap; power on by short pressing the power button; rinse electrode with distilled water; immerse electrode in sample, stir gently; wait for stability indicator (smiley icon); read stabilized value; automatic data lock will lock readings when stable.
Electrode Storage: Store electrode with protective cap in place; keep the pH sensing bulb moist using 3 mol KCl storage solution to prevent drying; never store dry .
Electrode Hydration: If the pH sensing bulb has dried out, soak in 3 mol KCl storage solution for 24 to 48 hours before use; recalibrate before use .
Calibration: Calibrate before first use or when measurement errors are suspected; calibrate with pH 4.00, pH 6.86, and pH 9.18 buffers (1 to 3 points) as appropriate for the expected sample pH range .
Battery Replacement: Replace batteries when low voltage indicator appears; use four AAA alkaline batteries (1.5 volts each); ensure correct polarity when installing new batteries .
Mobile Application Setup: Download the DLAB mobile application, follow the graphic navigation operation guides to connect via Bluetooth, configure measurement parameters, enable data storage functions, and set up calibration reminders and sample IDs .
Data Management: Use mobile application to export data, generate reports, manage calibration reminders, set measurement object identifications, and configure timed storage for quality records .
High/Low Value Warning: Configure high and low value warning thresholds through the mobile application for critical parameter monitoring .
Electrode Protection: Use the removable protective cover when not in use to prevent damage to the glass pH bulb .
Spill Management: If liquid spills onto the meter, wipe immediately with a soft, dry cloth; despite IP67 rating, avoid prolonged immersion.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: Portable, Bluetooth-enabled pH and ORP measurement of biological fluids (serum, plasma, urine, CSF), dialysis water, pharmaceutical process water, and environmental samples in clinical diagnostic, pharmaceutical, and research laboratories .
Clinical Role: Essential water quality testing instrument for dialysis units, hospital engineering departments, infection control, pharmaceutical quality control laboratories, clinical chemistry laboratories, and environmental monitoring programs requiring rapid on-site pH and ORP assessment with wireless data logging for regulatory compliance .

SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

Electrical Safety: Do not immerse the meter beyond the IP67 rating limits; avoid immersion in liquids other than water samples; ensure battery compartment is properly sealed before use.
Electrode Handling: The glass pH bulb is fragile; handle with care to prevent breakage; do not touch glass bulb with fingers, as oils can affect measurement accuracy; the removable protective cover helps prevent accidental damage .
Electrode Storage: Store electrode with protective cap in place; keep the pH sensing bulb moist using 3 mol KCl storage solution; never store dry .
Calibration Verification: Calibrate daily or before critical use using fresh pH buffer solutions appropriate for the expected measurement range .
Sample Compatibility: Rinse electrode thoroughly with distilled water between different samples to prevent cross-contamination; ensure there are no air bubbles trapped on the electrode surface during measurement.
Chemical Compatibility: Avoid using the electrode in organic solvents such as carbon tetrachloride, trichloroethylene, tetrahydrofuran, toluene, xylene, or methyl ethyl ketone, which may damage the polycarbonate plastic body.
Battery Safety: Use only AAA alkaline batteries; do not mix old and new batteries; remove batteries for long-term storage to prevent leakage; dispose of used batteries properly.
Environmental Protection: Dispose of buffer solutions, sample vials, and other consumables according to local environmental regulations; pH buffer solutions contain salts and may be disposed of via standard laboratory waste streams.
Bluetooth Security: Ensure Bluetooth connection is secure; use application password protection if available; do not leave application open on shared devices without logging out.
Data Backup: Regularly export data from the mobile application to secure storage to prevent data loss in case of mobile device failure.
Self-Diagnosis: Run power-on self-diagnosis function before each use to verify system integrity .
Training: Only trained laboratory personnel should operate the DPH1+ Bluetooth Pen Meter for water quality testing applications.

2. FIRST AID MEASURES

Buffer Solution Exposure: If pH buffer solution splashes into eyes, flush with water for 15 minutes, seek medical attention; if on skin, wash with soap and water.
Sample Splash: If biological sample splashes into eyes, flush with water for 15 minutes, seek medical attention; if on skin, wash with soap and water.
Glass Breakage: If the pH glass bulb breaks, carefully collect fragments using forceps; dispose in sharps container; inspect sample for glass contamination before further use .
Storage Solution Exposure: If electrode storage solution (3 mol KCl) splashes into eyes, flush with water for 15 minutes, seek medical attention; if on skin, wash with soap and water.
Electrical Malfunction: If the meter shows signs of electrical malfunction (erratic readings, display issues, battery leakage), remove batteries immediately; do not attempt to operate; contact service personnel.
Electrode Damage: If the electrode is damaged, discontinue use; replace with a new DPH1-S probe .
Battery Leakage: If battery leakage occurs, remove batteries immediately, clean the battery compartment with a dry cloth, dispose of batteries properly; avoid skin contact with leaked electrolyte.

3. FIRE FIGHTING MEASURES

Flammability: The plastic housing and carrying case are combustible; may melt or burn if exposed to flame or high heat.
Extinguishing Media: Use carbon dioxide or dry chemical extinguisher for fires involving plastic components.
Fire Response: Remove batteries if safe to do so; do not use water on electrical fire; evacuate area if fire cannot be quickly contained.

Bluetooth Pen Meter (DPH1+)

Bluetooth Pen Meter (DPH1+)

PRIMARY CLINICAL & DIAGNOSTIC USES

Wireless pH Measurement for Metabolic Assessment

ORP Measurement for Disinfection Efficacy Monitoring

Primary Use: Measures oxidation-reduction potential from -1000.0 to +1000.0 mV with accuracy of ±0.1 percent of full scale ±1 digit using the installed DPH1-S electrode, providing direct assessment of the oxidizing power of disinfection processes .

Quality Control of Dialysis Water and Purified Water Systems

Primary Use: Used to verify pH of dialysis water, purified water loops, and water-for-injection (WFI) systems in healthcare and pharmaceutical facilities, ensuring compliance with quality standards .

Bluetooth Mobile Application Integration for Data Management

Primary Use: Supports Bluetooth connection to a dedicated mobile application for two-way control, unlimited data storage, graphical data display (graph, table, dial, and general modes), calibration reminders, measurement object ID management, timed storage, and graphic navigation operation guides .

Replaceable Electrode Design for Extended Instrument Life

Primary Use: Features a replaceable combined electrode (DPH1-S) design that allows electrode replacement when the original probe reaches end of life, significantly extending instrument service life .

SECONDARY & SUPPORTIVE USES

1. pH Measurement of Pharmaceutical Preparations: Used to verify pH of intravenous solutions, parenteral nutrition formulations, dialysis fluids, and other pharmaceutical preparations requiring precise pH control .

2. pH Testing of Purified Water Systems: Monitors pH of purified water, water-for-injection (WFI), and distilled water in hospital and laboratory water treatment systems .

3. pH Assessment of Gastrointestinal Fluids: Measures pH of gastric aspirate and other gastrointestinal fluid samples for diagnostic evaluation of digestive disorders.

4. pH Monitoring in Dialysis and Renal Care: Measures pH of dialysate solutions and patient samples in hemodialysis and peritoneal dialysis settings to ensure proper acid-base management.

5. Quality Control in Blood Gas Analysis: Supports pH verification of blood gas quality control materials for assessment of blood gas analyzer performance.

6. pH Testing of Culture Media: Used to verify pH of microbiological culture media and cell culture media to ensure optimal growth conditions for diagnostic cultures .

7. pH Measurement in Veterinary Diagnostic Laboratories: Used for pH measurement of animal blood, urine, and tissue samples in veterinary diagnostic workflows.

8. Environmental and Water Quality Monitoring: Measures pH of water samples in hospital environmental monitoring programs, including cooling towers, boiler feed water, and wastewater discharge .

9. Drinking Water and Aquarium Testing: Suitable for pH measurement of drinking water, aquarium water, and other non-viscous aqueous samples .

10. Pool and Spa Water Quality Monitoring: Monitors pH levels in hospital hydrotherapy pools, aquatic therapy centers, and spas to ensure water quality .

11. Educational and Training Laboratories: Serves as a teaching tool for demonstrating pH measurement principles and Bluetooth-enabled smart instrumentation in medical technology and clinical laboratory science training programs.

12. Pharmaceutical Quality Control: Used in QC laboratories for pH verification of raw materials, in-process samples, and finished pharmaceutical products.

13. Food and Beverage Quality Control: Verifies pH of food and beverage products in hospital nutrition services and food safety testing .

14. Field and Remote Sample Testing: Portable design allows for on-site pH measurement in diverse locations including patient bedside, field studies, and remote healthcare facilities .

15. Reagent and Buffer Quality Verification: Used to verify pH of diagnostic reagents, buffers, staining solutions, and culture media in clinical chemistry, histopathology, and microbiology laboratories.

16. Hydroponic and Agricultural Testing: Monitors pH of nutrient solutions in controlled environment agriculture and research plant growth facilities .

17. Wastewater Treatment Monitoring: Assesses pH levels in hospital wastewater treatment systems to evaluate treatment process performance .

18. Non-Concentrated Chemical Testing: Suitable for pH measurement of non-concentrated chemicals and non-viscous beverages in quality control applications .

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A pocket-sized, Bluetooth-enabled pen meter capable of measuring pH, ORP, and temperature, with replaceable combined electrode design (DPH1-S), multi-color backlit LCD display, IP67 dustproof and waterproof rating, and mobile application connectivity for wireless data management .

Designation: Bluetooth Pen Meter (DPH1+), DPH1+ Pen-Type pH/ORP Meter, Pocket pH Analyzer with Bluetooth, DLAB Bluetooth Pen Meter (DPH1+), Bluetooth pH Tester .

Key Components:

Instrument Meter: Pocket-sized pen housing with multi-color backlit LCD display, IP67 dustproof and waterproof rating, low battery indicator, and power-on self-diagnosis function .

Multi-Parameter Electrode: Replaceable combined probe (DPH1-S, pre-installed) for pH, ORP, and temperature measurement with removable electrode bulb protective cover for easy cleaning .

pH Buffer Solutions: pH 4.00, pH 6.86, and pH 9.18 calibration buffers, 30 mL each .

Electrode Storage Solution: 3 mol KCl pH/ORP electrode soaking solution, 10 mL .

Sample Vials: 30 mL sample vials (3 pieces) for convenient sample collection and testing .

Power Supply: Four 1.5 volt AAA alkaline batteries (pre-installed) .

Accessories: Hard carrying case (28.0 × 23.0 × 8.2 centimeters), lanyard, instruction manual .

2. TECHNICAL & PERFORMANCE PROPERTIES

Measurement Parameters: pH/millivolts/degrees Celsius | ORP/millivolts/degrees Celsius .

pH Measurement Range: (-2.00 to 16.00) pH .

pH Resolution: 0.1 or 0.01 (selectable) .

pH Accuracy: ±0.01 pH ±1 digit .

pH Calibration: 1 to 3 points automatic calibration; automatic buffer recognition; supports CH, USA, and NIST standard buffer solutions .

pH Automatic Temperature Compensation Range: 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit) .

ORP Measurement Range: (-1000.0 to +1000.0) millivolts .

ORP Resolution: 0.1 or 1 (selectable) .

ORP Accuracy: ±0.1 percent of full scale ±1 digit .

Temperature Measurement Range: 0.0 to 60.0 degrees Celsius (32.0 to 140.0 degrees Fahrenheit) .

Temperature Accuracy: ±0.2 degrees Celsius .

Display: Multi-color backlit LCD display; display mode changes color based on measurement status; reading stability indicator; automatic data lock when stable .

User Settings: Customizable automatic shut-off time; adjustable backlight display duration; low voltage indicator; power-on self-diagnosis function; restore to factory default function .

Mobile Application Features: Calibration reminders, measurement object ID management, timed storage, graphic navigation operation guides, diverse display interfaces (graph, table, dial, general), high/low value warning settings .

Protection Class: IP67 (dustproof and waterproof against temporary immersion up to 1 meter for 30 minutes), suitable for harsh field environments .

Power: Four AAA alkaline batteries (1.5 volts each); user replaceable; low battery indicator .

Dimensions (Carrying Case): 28.0 × 23.0 × 8.2 centimeters .

Electrode Compatibility: Replaceable combined probe (DPH1-S) with removable electrode bulb protective cover .

Quality System: Manufactured under ISO 9001:2015 quality management system .

Warranty: 1 year manufacturer warranty (electrodes and batteries are consumables and not covered) .

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: Pocket-sized, ergonomic pen-style handheld design with replaceable combined probe; IP67 dustproof and waterproof rating for field use and harsh environments .

Display: Multi-color backlit LCD display; screen color changes based on measurement status and data stability; power-on self-diagnosis function .

User Interface: Simple operation; short press to power on; mode selection for pH and ORP; reading stability indicator (smiley icon) confirms stable measurement; automatic data lock automatically locks readings when stable .

Calibration: pH module supports 1 to 3 point automatic calibration with buffer recognition; supports CH, USA, and NIST standard buffer options .

Measurement Modes: Single parameter pH measurement; displays pH in pH units and temperature in degrees Celsius or degrees Fahrenheit simultaneously; ORP measurement with same electrode .

Data Locking: Auto-hold function automatically locks readings when stability indicator confirms stable measurement; short press to release auto-hold .

Replaceable Electrode: Combined probe design allows electrode replacement (DPH1-S) to extend instrument service life; removable protective cover for electrode bulb prevents damage and facilitates cleaning .

Bluetooth Operation: Wireless connection to mobile application for two-way control, data transfer, and advanced data management; application provides graphic navigation operation guides for user training and troubleshooting .

Application Display Modes: Provides four display modes—graph mode for trend visualization, table mode for data review, dial mode for analog-style reading, and general mode for basic measurement .

Application Features: Includes calibration reminders to ensure instrument accuracy, measurement object ID management for traceability, timed storage for scheduled data logging, and unlimited data storage .

Portability: Compact pocket-sized design with hard carrying case for safe transport and storage; lanyard included for convenient carrying .

Power Management: Low voltage indicator alerts when batteries need replacement; user-configurable automatic shut-off and backlight duration to conserve battery life .

Self-Diagnosis: Power-on self-diagnosis function verifies system integrity before each use .

Factory Reset: Restore to factory default function available for calibration and parameter restoration .

Electrode Storage: Store electrode with protective cap in place; keep pH sensing bulb moist using 3 mol KCl storage solution to prevent drying; never store dry .

4. SAFETY & COMPLIANCE ATTRIBUTES