Conductivity Probe (DEC1-S)

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The Conductivity Probe (DEC1-S) is a replacement combined conductivity electrode specifically designed for DLAB Conductivity Probe (DEC1-S) pen-type conductivity meter and DEC1+ Bluetooth pen meter, enabling continued use of the instrument when the original probe becomes worn or damaged . Featuring platinum sensing elements for accurate conductivity measurement across automatic ranging segments (0~19.99 mS/cm), this replaceable probe supports multi-parameter measurement of EC, TDS (0~10.0 ppt), resistivity (50 Ω·cm~20 MΩ·cm), salinity (0~10 ppt), and temperature (0~60) .
The Conductivity Probe (DEC1-S) delivers conductivity accuracy of ±1.0% F.S. ±1 digit and temperature accuracy of ±0.2°C when used with compatible DEC1/DEC1+ meters . The probe is pre-installed in new meter kits and is available as a replacement part to extend instrument service life—electrode replacement rather than complete meter replacement .
For the clinical laboratory scientist, dialysis technician, and water quality specialist, the Conductivity Probe (DEC1-S) ensures continued, accurate conductivity monitoring of purified water systems, dialysis fluids, and pharmaceutical process water—critical parameters for ensuring patient safety during renal replacement therapy and drug manufacturing. The probe’s transparent housing allows visual confirmation of solution level and bubble detection, while its IP67 compatibility with DEC1 meters ensures reliable operation in harsh field environments .
For the patient, reliable replacement parts ensure continuous water quality monitoring in dialysis and pharmaceutical applications, preventing gaps in quality surveillance that could compromise patient safety. The Conductivity Probe (DEC1-S) probe is compatible with CH, USA, and NIST standard buffer solutions for flexible calibration options, and replacement is straightforward for trained laboratory personnel .
Description

Conductivity Probe (DEC1-S)

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Replacement Conductivity Sensor for Portable Water Quality Meters
  • Primary Use: Provides a replacement combined conductivity electrode specifically designed for DLAB DEC1 and DEC1+ pen-type meters, enabling continued use of the instrument when the original probe becomes worn or damaged .
  • How it helps: For the clinical laboratory scientist and water quality specialist, the Conductivity Probe (DEC1-S) allows extended use of the DEC1/DEC1+ meter by replacing only the electrode rather than the entire instrument—reducing equipment costs and minimizing downtime for critical water quality monitoring. The probe features platinum sensing elements for accurate conductivity measurement across a wide range (0~19.99 mS/cm) . For the patient, reliable replacement parts ensure continuous monitoring of dialysis water and purified water systems, preventing gaps in water quality surveillance that could compromise patient safety.
2. High-Accuracy Conductivity and TDS Measurement
  • Primary Use: Measures electrical conductivity (EC), Total Dissolved Solids (TDS), salinity, and resistivity in aqueous samples, compatible with DEC1 pen meters that provide multi-parameter readouts .
  • How it helps: For the pharmaceutical QC chemist and laboratory technician, the DEC1-S probe delivers conductivity accuracy of ±1.0% F.S. ±1 digit, supporting precise measurement of water purity in pharmaceutical manufacturing, laboratory water systems, and dialysis fluid preparation . The replaceable design ensures that measurement accuracy is maintained over time by allowing probe replacement when performance degrades. For the patient, accurate conductivity measurement ensures that water used in dialysis and pharmaceutical processes meets stringent quality standards, preventing complications from improperly treated water.
3. Platinum Sensing Technology for Stable Readings
  • Primary Use: Features platinum sensing elements that provide stable, reproducible conductivity measurements across automatic ranging segments from 0~19.99 μS/cm to 2.00~19.99 mS/cm .
  • How it helps: For the water quality specialist, the platinum sensing technology ensures minimal polarization effects and stable readings even in low-conductivity samples such as purified water and water-for-injection (WFI). The probe’s design supports automatic temperature compensation (ATC) when used with compatible meters, correcting readings to reference temperature . For the patient, stable, accurate readings ensure that water quality monitoring reliably detects any deviations from quality standards that could affect patient treatment outcomes.
4. Compatibility with DEC1 and DEC1+ Meter Systems
  • Primary Use: Designed as the dedicated replacement electrode for DLAB DEC1 pen-type conductivity meter and DEC1+ Bluetooth pen meter, ensuring proper fit and electrical compatibility .
  • How it helps: For the laboratory manager and equipment coordinator, using the manufacturer-specified replacement probe ensures optimal instrument performance, calibration accuracy, and measurement reliability. The probe comes pre-installed in new meter kits and is available separately for replacement needs . For the patient, properly compatible replacement parts ensure that water quality monitoring equipment continues to function within manufacturer specifications, maintaining the integrity of quality assurance programs.

SECONDARY & SUPPORTIVE USES

1. Purified Water System Monitoring: Used with DEC1 meters to verify conductivity of purified water, water-for-injection (WFI), and distilled water in hospital and laboratory water treatment systems.
2. Pharmaceutical Process Water Testing: Supports conductivity measurement for validation and routine monitoring of pharmaceutical water systems, with probe replacement ensuring continued compliance .
3. Dialysis Water Quality Verification: Used with DEC1 meters to test conductivity of dialysis water and dialysate solutions, with regular probe replacement maintaining measurement accuracy.
4. Cooling Tower and Boiler Water Testing: Monitors conductivity and TDS in cooling towers, boiler feed water, and steam generation systems to control blowdown cycles.
5. Environmental and Wastewater Monitoring: Measures conductivity of wastewater discharge, surface water, and groundwater in hospital environmental monitoring programs.
6. Reagent and Buffer Quality Control: Verifies conductivity of laboratory reagents, buffers, and preparation solutions to ensure consistent experimental conditions.
7. Aquaculture and Zebrafish Facility Management: Used to check conductivity and salinity levels in aquatic animal housing facilities within research institutions.
8. Hydroponic and Agricultural Nutrient Management: Monitors nutrient solution conductivity (EC) in controlled environment agriculture and research plant growth facilities.
9. Electrode Replacement for Extended Instrument Life: Serves as the replacement component to extend the service life of DEC1/DEC1+ meters when the original probe reaches end of life .
10. Calibration Support: The probe is compatible with CH, USA, and NIST standard buffer solutions for flexible calibration options .
11. Low Maintenance Design: Features sealed, maintenance-free construction requiring no electrolyte refilling; simple cleaning and storage procedures .
12. IP67-Compatible Probe: The probe shares the meter’s IP67 dustproof/waterproof rating, suitable for use in harsh field environments .
KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

  • Device Type: A replacement combined conductivity electrode (probe) for DLAB DEC1 and DEC1+ pen-type conductivity meters, featuring platinum sensing elements for EC, TDS, salinity, and resistivity measurement .
  • Designation: DEC1-S Conductivity Probe, DEC1-S Electrode, Replacement Conductivity Probe, DLAB DEC1-S .
  • Key Components:
o Sensing Element: Platinum electrodes for conductivity measurement  .
o Probe Body: Sealed, combined probe design.
o Connection: Compatible with DEC1 and DEC1+ meter housing .
o Materials: Platinum sensing elements with durable plastic housing .
o Transparent Housing: Allows visual confirmation of solution level and bubble detection .

2. TECHNICAL & PERFORMANCE PROPERTIES

  • Compatible Meters: DEC1 Pen-Type Conductivity Meter, DEC1+ Bluetooth Pen Meter  .
  • Conductivity Measurement Range (with compatible meter): 0~19.99 mS/cm, auto-ranging segments: 0~19.99 μS/cm; 20.0~199.9 μS/cm; 200~1999 μS/cm; 2.00~19.99 mS/cm  .
  • TDS Range (with compatible meter): 0.0 mg/L to 10.0 g/L (coefficient adjustable)  .
  • Resistivity Range (with compatible meter): 50 Ω·cm to 20 MΩ·cm  .
  • Salinity Range (with compatible meter): 0~10 ppt  .
  • Temperature Range (with compatible meter): 0~60°C (32~140°F)  .
  • Conductivity Accuracy (with compatible meter): ±1.0% F.S. ± 1 digit  .
  • Temperature Accuracy (with compatible meter): ±0.2°C  .
  • Probe Type: Combined electrode design; replaceable  .
  • Sensing Material: Platinum .
  • Protection Class (with meter): IP67 (dustproof and waterproof)  .
  • Calibration Compatibility: Supports CH, USA, NIST standard buffer solutions  .
  • Replacement Purpose: Extends instrument service life by allowing electrode replacement rather than complete meter replacement  .

3. PHYSICAL & OPERATIONAL PROPERTIES

  • Construction: Pen-style combined probe designed to fit DEC1/DEC1+ meter housing; sealed, maintenance-free design .
  • Sensing Technology: Platinum electrodes for minimal polarization and stable readings .
  • Installation: User-replaceable; installs directly into DEC1/DEC1+ meter body .
  • Compatibility: Specifically designed for DLAB DEC1 and DEC1+ pen meters; not compatible with other meters  .
  • Maintenance: Requires no electrolyte refilling; clean with distilled water after each use .
  • Storage: Store clean and dry with protective cap in place .
  • Visual Confirmation: Transparent housing allows visible confirmation of solution level and detection of air bubbles .
  • Durability: Designed for harsh field environments with IP67 rating when installed on meter  .
  • Calibration: Performed through the DEC1/DEC1+ meter using standard solutions; probe does not require separate calibration .

4. SAFETY & COMPLIANCE ATTRIBUTES

  • Regulatory Status: Accessory/replacement part for IVD preparatory equipment (DEC1/DEC1+ meters).
  • Safety Certifications: Manufactured under ISO 9001:2015 quality management system; CE compliant.
  • Protection Class (with meter): IP67 (dustproof and waterproof against temporary immersion) .
  • Material Safety: Platinum sensing elements (biocompatible, corrosion-resistant); durable plastic housing; RoHS compliant materials.
  • Electrical Safety: Low-voltage passive component; safe for use with DEC1/DEC1+ meters (4 × AAA batteries, 1.5V each).
  • Platinum Sensor: Resists corrosion and provides stable readings in various sample matrices .
  • Replacement Indicator: Replace probe when readings become unstable, calibration fails repeatedly, or physical damage is visible .

5. STORAGE & HANDLING ATTRIBUTES

  • Storage: Store probe clean and dry with protective cap in place; avoid extreme temperatures and direct sunlight; do not store with dry residue on sensing elements.
  • Cleaning: Rinse with distilled water after each use; for stubborn residues, use mild detergent and soft brush, taking care not to damage platinum sensing elements; do not scrub platinum surfaces with abrasive materials .
  • Inspection: Inspect platinum sensing elements for damage or contamination before each use; check for any visible damage to the probe body; verify that the transparent housing is free of bubbles or residue .
  • Installation: Insert probe into DEC1/DEC1+ meter body securely; ensure proper electrical contact; follow meter instructions for probe replacement .
  • Calibration: After probe replacement, calibrate the DEC1/DEC1+ meter using appropriate conductivity standard solutions (1408 μS/cm and 12.85 mS/cm) before use  .
  • Handling: Avoid touching platinum sensing elements with fingers; handle with care to prevent physical damage; do not bend or apply excessive force to the probe .
  • Bubble Detection: Use transparent housing to verify no air bubbles are trapped on sensing elements during measurement, as bubbles will cause unstable or inaccurate readings .
  • Replacement Frequency: Replace probe when meter readings become unstable, calibration fails repeatedly, or physical damage is evident; no fixed replacement interval—depends on usage and sample types.
  • Disposal: Dispose of used probe according to local electronic waste regulations; the probe contains platinum (precious metal) and plastic components.

6. LABORATORY & CLINICAL APPLICATIONS

  • Primary Application: Replacement conductivity electrode for DLAB DEC1 and DEC1+ pen meters, used for measuring conductivity, TDS, salinity, and resistivity in purified water, dialysis fluids, pharmaceutical process water, and environmental samples .
  • Clinical Role: Essential replacement component for water quality testing instruments used in dialysis units, hospital engineering departments, pharmaceutical quality control laboratories, and environmental monitoring programs requiring portable conductivity measurement .
SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

  • Handling: Handle probe with care to avoid damage to platinum sensing elements; do not touch sensing elements with fingers, as oils can affect measurement accuracy .
  • Cleaning: Do not use abrasive materials or harsh chemicals on platinum sensing elements; rinse thoroughly after cleaning to remove all residue .
  • Storage: Always store probe clean and dry with protective cap in place to prevent contamination and physical damage .
  • Compatibility: Use only with DLAB DEC1 or DEC1+ meters; using with incompatible meters may damage the probe or produce inaccurate readings .
  • Bubble Prevention: Ensure no air bubbles are trapped on sensing elements during measurement; bubbles cause unstable or inaccurate readings .
  • Calibration Requirement: Always recalibrate the meter after installing a new DEC1-S probe to ensure measurement accuracy .
  • Avoid Freezing: Do not allow the probe to freeze; freezing temperatures may damage the sensing elements .
  • Training: Only trained laboratory personnel should replace and handle the DEC1-S probe for water quality testing applications.

2. FIRST AID MEASURES

  • Probe Breakage: If the probe breaks, carefully collect any broken fragments; dispose in sharps container; inspect sample for contamination; avoid skin contact with broken plastic edges.
  • Sample Splash: If sample 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 with installed probe shows signs of electrical malfunction, remove batteries immediately; do not attempt to operate; contact service personnel.

3. FIRE FIGHTING MEASURES

  • Flammability: The plastic housing is combustible; may melt or burn if exposed to flame or high heat.
  • Extinguishing Media: Use carbon dioxide (CO₂) or dry chemical extinguisher for fires involving plastic components.
  • Fire Response: Remove from heat source if safe to do so; do not use water on electrical fire.