Pen Meter (DPC1)

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The Pen Meter (DPC1) is a pocket-sized, multi-parameter pen tester measuring pH, ORP, conductivity, TDS, salinity, resistivity, and temperature, featuring replaceable combined electrode design (DPC1-S), multi-color backlit LCD display with reading stability indicator and automatic data lock, IP67 dustproof and waterproof rating, 1 to 3 point automatic pH calibration with buffer recognition, 1 point automatic conductivity calibration, CH/USA/NIST standard buffer compatibility, low battery indicator, user-configurable automatic shut-off and backlight duration, power-on self-diagnosis, and complete field-ready kit including hard carrying case, sample vials (4), pH buffers (pH 4.00 and 6.86, 30mL each), conductivity standards (1408 μS/cm and 12.85 mS/cm, 30mL each), 3 mol KCl electrode storage solution (10mL), four AAA batteries, and lanyard—ideal for water quality testing in clinical, pharmaceutical, and environmental applications .

For the dialysis technician, water quality specialist, infection control officer, and pharmaceutical QC chemist, the DPC1 enables rapid, on-site measurement of multiple water quality parameters—pH for assessing acid-base balance, ORP for verifying disinfection efficacy, conductivity and TDS for ionic purity, resistivity for ultrapure water verification, salinity for specific applications, and temperature for thermal monitoring . This comprehensive multi-parameter capability allows a single device to replace multiple single-parameter meters, simplifying field testing and reducing equipment costs .

Key features include multi-color backlit display with reading stability indicator and automatic data lock when stable (smiley icon), power-on self-diagnosis function, low battery indicator, user-configurable automatic shut-off time and backlight duration, 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 .

For the patient, accurate multi-parameter 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.

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Categories: LABORATORY EQUIPMENT AND SUPPLIES, Analyzers Tags: Dialysis Water Testing, DLAB DPC1, DPC1 Pen Meter, IP67 Pen Meter, Multi-Parameter Pen Tester, Pen-Type Multi-Function Analyzer, pH/EC/ORP/TDS/Salinity/Resistivity Tester, Pharmaceutical Water QC, Pocket Water Quality Analyzer, Portable Water Quality Meter

Description

Pen Meter (DPC1)

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Comprehensive Water Quality Monitoring for Dialysis and Pharmaceutical Applications

Primary Use: Provides a pocket-sized, multi-parameter pen meter capable of measuring pH (-2.00 to 16.00), ORP (-1000.0 to +1000.0 mV), Conductivity (0 to 19.99 mS/cm), TDS (0.0 mg/L to 10.0 g/L), Salinity (0 to 10 ppt), Resistivity (50 Ω·cm to 20 MΩ·cm), and Temperature (0 to 60°C) with high precision across automatic ranging scales .
How it helps: For dialysis technicians, water quality specialists, and pharmaceutical QC chemists, the DPC1 replaces multiple single-parameter meters, allowing a single device to verify the ionic purity (conductivity, TDS, resistivity), pH balance, and disinfection efficacy (ORP) of purified water, dialysis fluids, and pharmaceutical process water. The multi-color backlit display ensures easy reading in various lighting conditions, while the IP67 dustproof and waterproof rating allows for use in demanding utility environments . For the patient, this comprehensive multi-parameter monitoring ensures that water used in renal replacement therapy, drug manufacturing, and medical device processing meets all critical safety standards, preventing complications from improper water composition.

2. pH Measurement of Biological Fluids for Diagnostic Assessment

Primary Use: Measures pH across the range of -2.00 to 16.00 with accuracy of ±0.01 pH ±1 digit and resolution of 0.1 or 0.01, suitable for assessing pH of serum, plasma, urine, cerebrospinal fluid, and other biological specimens .
How it helps: For the clinical laboratory scientist and medical technologist, the DPC1 enables rapid, accurate pH measurement of biological fluids—supporting diagnosis of metabolic acidosis, alkalosis, diabetic ketoacidosis, and renal tubular disorders. The 1 to 3-point automatic calibration with buffer recognition ensures measurement reliability . 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.

3. Oxidation-Reduction Potential for Disinfection Efficacy Monitoring

Primary Use: Measures ORP from -1000.0 to +1000.0 mV with accuracy of ±0.1 percent of full scale ±1 digit, providing direct assessment of the oxidizing power of disinfection processes in water treatment systems .
How it helps: For infection control officers and dialysis technicians, ORP measurement using the DPC1 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.

4. Conductivity, TDS, and Resistivity for Water Purity Verification

Primary Use: Measures conductivity (0 to 19.99 mS/cm, auto-ranging), TDS (0.0 mg/L to 10.0 g/L with adjustable coefficient), resistivity (50 Ω·cm to 20 MΩ·cm), and salinity (0 to 10 ppt), providing comprehensive water purity assessment for pharmaceutical and clinical applications .
How it helps: For the pharmaceutical quality control chemist and water quality specialist, the DPC1 provides portable measurement of multiple water purity parameters with conductivity accuracy of ±1.0 percent of full scale ±1 digit. The auto-ranging capability ensures accurate readings across a wide range of sample types—from ultrapure water to saline solutions . For the patient, rigorous conductivity, TDS, and resistivity monitoring of pharmaceutical water systems ensures that injectable medications and intravenous solutions meet stringent purity standards, supporting product safety.

5. Smart Features for Field and Utility Water Testing

Primary Use: Pocket-sized pen design with replaceable combined electrode (DPC1-S), multi-color backlit LCD display, reading stability indicator with automatic data lock, low voltage indicator, user-configurable automatic shut-off time and backlight duration, and IP67 dustproof and waterproof rating .
How it helps: For hospital facility engineers and environmental safety officers, the DPC1’s portable, battery-operated design (4 × AAA batteries) allows for convenient spot-checking of water quality at various points in hospital water distribution systems. The kit includes a hard carrying case (28.0 × 23.0 × 8.2 cm), sample vials (30mL × 4), pH buffer solutions (pH 4.00 and 6.86, 30mL each), conductivity standard solutions (1408 μS/cm and 12.85 mS/cm, 30mL each), and electrode storage solution (3 mol KCl, 10mL) for complete field-ready capability . For the patient and community, consistent monitoring of hospital water systems helps prevent healthcare-associated infections and ensures environmental compliance.

SECONDARY & SUPPORTIVE USES

1. Disinfection Control in Hydrotherapy and Spa Pools: Monitors pH and ORP levels in hospital hydrotherapy pools, aquatic therapy centers, and spas to ensure chlorine or other oxidizers remain at effective concentrations for microbial control.

2. Cooling Tower and Boiler Water Testing: Measures pH, conductivity, and ORP in cooling towers, boiler feed water, and steam generation systems to assess corrosion potential and treatment efficacy.

3. Wastewater Treatment Monitoring: Assesses pH, conductivity, and ORP levels in hospital wastewater treatment systems to evaluate aeration efficiency and treatment process performance.

4. Environmental and Surface Water Monitoring: Portable pen format is ideal for field studies measuring pH, conductivity, and ORP in natural water bodies, drinking water, and surface water to assess ecosystem health and pollution levels.

5. Pharmaceutical Process Validation: Supports pH, conductivity, and ORP measurement for validation and routine monitoring of pharmaceutical water systems and cleaning validation protocols.

6. Antioxidant and Redox Status Assessment: Measures the oxidation-reduction potential of aqueous solutions, providing information about the total oxidizing or reducing capacity of water samples in healthcare and research applications.

7. Research and Academic Laboratories: Serves as a portable multi-parameter water quality testing tool for research applications in environmental science, chemistry, and water quality studies.

8. Food and Beverage Quality Control: Verifies pH, conductivity, and ORP levels in process water, cleaning solutions, and non-viscous beverage products in hospital nutrition services and food safety testing.

9. Aquaculture and Zebrafish Facility Management: Monitors pH, conductivity, and ORP in aquatic animal housing facilities within research institutions to ensure optimal environmental conditions.

10. Educational and Laboratory Training: Serves as a teaching tool for demonstrating multi-parameter water quality measurement principles in medical technology and clinical laboratory science training programs.

11. Electrode Replacement Compatibility: Uses replaceable DPC1-S combined electrode design, extending instrument service life and allowing continued use when the original probe reaches end of life .

12. Multiple Standard Support: Calibration compatible with CH, USA, and NIST standard buffer solutions for region-specific calibration requirements .

13. Self-Diagnosis Function: Equipped with power-on self-diagnosis to verify system integrity before each use .

14. Parameter Versatility for Diverse Sample Types: Suitable for use with various aqueous samples including drinking water, surface water, groundwater, wastewater, purified water, dialysis water, and pharmaceutical process water.

15. TDS Coefficient Adjustability: TDS coefficient adjustable from 0.40 to 1.00 for accurate total dissolved solids measurement across different sample matrices .

16. Manual Data Lock Function: Available calibration points parameter restoring to factory default function available for quality control purposes.

KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A pocket-sized, multi-parameter pen meter capable of measuring pH, ORP, conductivity, TDS, salinity, resistivity, and temperature, with replaceable combined electrode design, multi-color backlit LCD display, IP67 dustproof and waterproof rating, and complete field-ready accessory kit .
Designation: DPC1 Pen Meter, DPC1 Multi-Parameter Pen Tester, Pocket Water Quality Analyzer, DLAB DPC1, Pen-Type Multi-Function Analyzer.
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 (DPC1-S, pre-installed) for pH, conductivity, and temperature measurement .
- pH Buffer Solutions: pH 4.00 and pH 6.86 calibration buffers, 30mL each .
- Conductivity Standard Solutions: 1408 μS/cm and 12.85 mS/cm conductivity calibration standards, 30mL each .
- Electrode Storage Solution: 3 mol KCl pH and ORP electrode soaking solution, 10mL .
- Sample Vials: 30mL sample vials (4 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 | Conductivity/TDS/Salinity/Resistivity/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 .
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 .
Conductivity Measurement Range: 0 to 19.99 mS/cm, auto-ranging segments: 0 to 19.99 μS/cm; 20.0 to 199.9 μS/cm; 200 to 1999 μS/cm; 2.00 to 19.99 mS/cm .
Conductivity Resolution: 0.01, 0.1, or 1 (auto-ranging) .
Conductivity Accuracy: ±1.0 percent of full scale ±1 digit .
Conductivity Calibration: 1 point automatic calibration; automatic standard recognition .
TDS Range: 0.0 mg/L to 10.0 g/L (TDS coefficient adjustable, default 0.71) .
Resistivity Range: 50 Ω·cm to 20 MΩ·cm .
Salinity Range: 0 to 10 ppt .
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 .
Calibration Options: CH, USA, and NIST standard buffer solutions .
Protection Class: IP67 (dustproof and waterproof against temporary immersion) .
Operating Conditions: 0 to 60 degrees Celsius; suitable for field and laboratory use .
Power: Four AAA alkaline batteries (pre-installed); user replaceable; low battery indicator .
Dimensions (Carrying Case): 28.0 × 23.0 × 8.2 centimeters .
Electrode Compatibility: Replaceable combined probe (DPC1-S) .

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: Pocket-sized, ergonomic pen-style handheld design with replaceable combined probe; IP67 dustproof and waterproof rating for field use .
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, ORP, conductivity, TDS, salinity, resistivity, and temperature; 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; conductivity module supports 1 point automatic calibration with standard solution recognition; ORP module supports 1 point calibration with 222 mV standard solution .
Measurement Modes: Single parameter measurement; switchable between pH, ORP, conductivity, TDS, salinity, resistivity, and temperature modes .
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 (DPC1-S) to extend instrument service life and support different measurement needs .
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 .

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; platinum sensing elements for conductivity and ORP measurement; glass pH sensing bulb; RoHS compliant materials .
Calibration Compliance: Supports CH, USA, and NIST standard buffer solutions for region-specific calibration requirements .
GLP Compliance: Multi-parameter measurement capability supports comprehensive water quality documentation for regulatory compliance .
Quality System: Manufactured under ISO 9001:2015 quality management system .

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 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 platinum sensing elements and glass pH bulb, avoid touching or scrubbing with abrasive materials .
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; select measurement mode (pH, ORP, conductivity, TDS, salinity, resistivity, or temperature); 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 .
Calibration: Calibrate before first use or when measurement errors are suspected; pH: calibrate with pH 4.00 and pH 6.86 buffers (1 to 3 points); conductivity: calibrate with 1408 μS/cm or 12.85 mS/cm standard; ORP: calibrate with 222 mV standard .
Electrode Storage: Store electrode with protective cap in place; keep electrode moist for pH measurement; store in 3 mol KCl storage solution to prevent the pH sensing bulb from drying out .
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 .
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 .
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, multi-parameter water quality measurement for dialysis water systems, pharmaceutical purified water loops, hospital water treatment, environmental monitoring, cooling towers, boiler feed water, wastewater treatment, aquaculture, and field water quality assessment .
Clinical Role: Essential water quality testing instrument for dialysis units, hospital engineering departments, infection control, pharmaceutical quality control laboratories, and environmental monitoring programs requiring rapid on-site assessment of pH, ORP, conductivity, TDS, salinity, resistivity, and temperature .

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 the platinum sensing elements with fingers; avoid scrubbing with abrasive materials on any sensing surfaces .
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 calibration standards appropriate for the expected measurement range for each parameter .
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 surfaces during measurement .
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 calibration standards, sample vials, and other consumables according to local environmental regulations; buffer solutions and conductivity standards contain salts and may be disposed of via standard laboratory waste streams .
Self-Diagnosis: Run power-on self-diagnosis function before each use to verify system integrity .
Training: Only trained laboratory personnel should operate the DPC1 Pen Meter for water quality testing applications .

2. FIRST AID MEASURES

Calibration Standard Exposure: If pH buffer solution, conductivity standard, or ORP standard 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 or chemical 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 .
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 DPC1-S combined 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 areas if fire cannot be quickly contained .

Pen Meter (DPC1)

Pen Meter (DPC1)

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Comprehensive Water Quality Monitoring for Dialysis and Pharmaceutical Applications

2. pH Measurement of Biological Fluids for Diagnostic Assessment

Primary Use: Measures pH across the range of -2.00 to 16.00 with accuracy of ±0.01 pH ±1 digit and resolution of 0.1 or 0.01, suitable for assessing pH of serum, plasma, urine, cerebrospinal fluid, and other biological specimens .

3. Oxidation-Reduction Potential for Disinfection Efficacy Monitoring

Primary Use: Measures ORP from -1000.0 to +1000.0 mV with accuracy of ±0.1 percent of full scale ±1 digit, providing direct assessment of the oxidizing power of disinfection processes in water treatment systems .

4. Conductivity, TDS, and Resistivity for Water Purity Verification

Primary Use: Measures conductivity (0 to 19.99 mS/cm, auto-ranging), TDS (0.0 mg/L to 10.0 g/L with adjustable coefficient), resistivity (50 Ω·cm to 20 MΩ·cm), and salinity (0 to 10 ppt), providing comprehensive water purity assessment for pharmaceutical and clinical applications .

5. Smart Features for Field and Utility Water Testing

SECONDARY & SUPPORTIVE USES

1. Disinfection Control in Hydrotherapy and Spa Pools: Monitors pH and ORP levels in hospital hydrotherapy pools, aquatic therapy centers, and spas to ensure chlorine or other oxidizers remain at effective concentrations for microbial control.

2. Cooling Tower and Boiler Water Testing: Measures pH, conductivity, and ORP in cooling towers, boiler feed water, and steam generation systems to assess corrosion potential and treatment efficacy.

3. Wastewater Treatment Monitoring: Assesses pH, conductivity, and ORP levels in hospital wastewater treatment systems to evaluate aeration efficiency and treatment process performance.

4. Environmental and Surface Water Monitoring: Portable pen format is ideal for field studies measuring pH, conductivity, and ORP in natural water bodies, drinking water, and surface water to assess ecosystem health and pollution levels.

5. Pharmaceutical Process Validation: Supports pH, conductivity, and ORP measurement for validation and routine monitoring of pharmaceutical water systems and cleaning validation protocols.

6. Antioxidant and Redox Status Assessment: Measures the oxidation-reduction potential of aqueous solutions, providing information about the total oxidizing or reducing capacity of water samples in healthcare and research applications.

7. Research and Academic Laboratories: Serves as a portable multi-parameter water quality testing tool for research applications in environmental science, chemistry, and water quality studies.

8. Food and Beverage Quality Control: Verifies pH, conductivity, and ORP levels in process water, cleaning solutions, and non-viscous beverage products in hospital nutrition services and food safety testing.

9. Aquaculture and Zebrafish Facility Management: Monitors pH, conductivity, and ORP in aquatic animal housing facilities within research institutions to ensure optimal environmental conditions.

10. Educational and Laboratory Training: Serves as a teaching tool for demonstrating multi-parameter water quality measurement principles in medical technology and clinical laboratory science training programs.

11. Electrode Replacement Compatibility: Uses replaceable DPC1-S combined electrode design, extending instrument service life and allowing continued use when the original probe reaches end of life .

12. Multiple Standard Support: Calibration compatible with CH, USA, and NIST standard buffer solutions for region-specific calibration requirements .

13. Self-Diagnosis Function: Equipped with power-on self-diagnosis to verify system integrity before each use .

14. Parameter Versatility for Diverse Sample Types: Suitable for use with various aqueous samples including drinking water, surface water, groundwater, wastewater, purified water, dialysis water, and pharmaceutical process water.

15. TDS Coefficient Adjustability: TDS coefficient adjustable from 0.40 to 1.00 for accurate total dissolved solids measurement across different sample matrices .

16. Manual Data Lock Function: Available calibration points parameter restoring to factory default function available for quality control purposes.

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A pocket-sized, multi-parameter pen meter capable of measuring pH, ORP, conductivity, TDS, salinity, resistivity, and temperature, with replaceable combined electrode design, multi-color backlit LCD display, IP67 dustproof and waterproof rating, and complete field-ready accessory kit .

Designation: DPC1 Pen Meter, DPC1 Multi-Parameter Pen Tester, Pocket Water Quality Analyzer, DLAB DPC1, Pen-Type Multi-Function Analyzer.

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 (DPC1-S, pre-installed) for pH, conductivity, and temperature measurement .

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

Conductivity Standard Solutions: 1408 μS/cm and 12.85 mS/cm conductivity calibration standards, 30mL each .

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

Sample Vials: 30mL sample vials (4 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 | Conductivity/TDS/Salinity/Resistivity/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 .

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 .

Conductivity Measurement Range: 0 to 19.99 mS/cm, auto-ranging segments: 0 to 19.99 μS/cm; 20.0 to 199.9 μS/cm; 200 to 1999 μS/cm; 2.00 to 19.99 mS/cm .

Conductivity Resolution: 0.01, 0.1, or 1 (auto-ranging) .

Conductivity Accuracy: ±1.0 percent of full scale ±1 digit .

Conductivity Calibration: 1 point automatic calibration; automatic standard recognition .

TDS Range: 0.0 mg/L to 10.0 g/L (TDS coefficient adjustable, default 0.71) .

Resistivity Range: 50 Ω·cm to 20 MΩ·cm .

Salinity Range: 0 to 10 ppt .

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 .

Calibration Options: CH, USA, and NIST standard buffer solutions .

Protection Class: IP67 (dustproof and waterproof against temporary immersion) .

Operating Conditions: 0 to 60 degrees Celsius; suitable for field and laboratory use .

Power: Four AAA alkaline batteries (pre-installed); user replaceable; low battery indicator .

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

Electrode Compatibility: Replaceable combined probe (DPC1-S) .

3. PHYSICAL & OPERATIONAL PROPERTIES

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

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, ORP, conductivity, TDS, salinity, resistivity, and temperature; 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; conductivity module supports 1 point automatic calibration with standard solution recognition; ORP module supports 1 point calibration with 222 mV standard solution .

Measurement Modes: Single parameter measurement; switchable between pH, ORP, conductivity, TDS, salinity, resistivity, and temperature modes .

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 (DPC1-S) to extend instrument service life and support different measurement needs .

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 .

4. SAFETY & COMPLIANCE ATTRIBUTES