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Product Description

The Labmart LMMP30 Water Quality Multiparameter Meter is a benchtop laboratory analyzer for simultaneous measurement of pH, ORP, conductivity, TDS, salinity, resistivity and temperature. It features multi-point calibration, automatic temperature compensation, automatic endpoint detection, electrode diagnosis, GLP-oriented data storage and memory for up to 500 readings.

Product Overview

The LMMP30 Water Quality Multiparameter Meter is designed for comprehensive laboratory water-quality measurement. It combines seven measurement modes in one instrument:

  • pH
  • ORP
  • Conductivity
  • TDS
  • Salinity
  • Resistivity
  • Temperature

The meter provides dedicated calibration and measurement functions for each parameter. pH measurement supports up to 5-point calibration with automatic buffer recognition, while conductivity also supports up to 5-point calibration with selectable standard solutions.

Automatic Temperature Compensation (ATC), automatic endpoint detection, customizable stability conditions and electrode diagnosis help simplify routine measurement. The instrument can store up to 500 data sets with date and time, with a built-in real-time clock for GLP-oriented record keeping.

Key Features & Benefits

  • Seven measurement modes in one instrument
  • pH measurement from -2.000 to 20.000 pH
  • ORP measurement from 0 to ±1999.9 mV
  • Conductivity measurement up to 200 mS/cm
  • TDS measurement up to 10 ppt, with maximum up to 200 ppt depending on factor setting
  • Salinity measurement up to 80 ppt
  • Resistivity measurement up to 100 MΩ
  • Temperature measurement from 0 to 100°C
  • Up to 5-point pH calibration
  • Up to 5-point conductivity calibration
  • Automatic buffer recognition for pH
  • Automatic Temperature Compensation
  • Automatic endpoint function
  • Electrode diagnosis with slope and offset information
  • Calibration-due reminder
  • Adjustable stability conditions
  • Up to 500 data sets with date/time
  • Selectable °C / °F temperature units
  • Reset and auto-hold functions
  • USB adaptor supplied
  • Dedicated electrode stand supplied

4. Technical Specifications

Specification LMMP30
Product Type Water Quality Multiparameter Meter
Model LMMP30
Brand Labmart
Measurement Parameters pH, ORP, Conductivity, TDS, Salinity, Resistivity, Temperature
pH Range -2.000 to 20.000 pH
pH Resolution 0.001 / 0.01 / 0.1 pH, selectable
pH Accuracy ±0.002 pH
pH Calibration Up to 5 points
pH Buffer Standards USA, NIST, DIN
ORP Range 0 to ±1999.9 mV
ORP Calibration 1-point
ORP Resolution 0.1 / 1 mV, selectable
ORP Accuracy ±0.2 mV
ORP Measurement Absolute mV or Relative mV
Conductivity Range 0–200 mS/cm
Conductivity Resolution 0.01 / 0.1 / 1
Conductivity Accuracy ±0.5% Full Scale
Cell Constant 0.0 / 1 / 10, user-defined
Temperature Coefficient 0.0–10.0% per °C
Conductivity Calibration Up to 5 points
Conductivity Standards 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm
Compensation Modes Linear or Pure Water
TDS Range 0–10 ppt; max. 200 ppt depending on factor setting
TDS Resolution 0.01 / 0.1 / 1
TDS Accuracy ±1% Full Scale
TDS Factor 0.0–1.0
Salinity Range 0–80 ppt
Salinity Resolution 0.01 / 0.1 / 1
Salinity Accuracy ±1% Full Scale
Salinity Measurement Practical Salinity (PSU) or Seawater Measurement Standard (ppt)
Resistivity Range 0–100 MΩ
Resistivity Resolution 1 / 0.1 / 0.01
Resistivity Accuracy ±1% Full Scale
Temperature Range 0–100°C
Temperature Compensation Automatic or Manual
Temperature Accuracy ±0.5°C
Temperature Units °C / °F
Auto-Off 10 / 20 / 30 minutes after last key press
Reset & Auto Hold Yes
Electrode Diagnosis Slope, Offset
Stability Conditions High or Low, selectable
Calibration Reminder 1–30 days, selectable
Memory 500 data sets with date/time
pH Connector BNC 6-pin connector
Conductivity Connector Conductivity connector
Dimensions 310 × 250 × 190 mm
Weight 2 kg
HSN Code 90275090

The model-specific specifications are provided in the LMMP30 specification table.

5. Applications

The LMMP30 is suitable for:

  • Water quality analysis
  • Laboratory water testing
  • Drinking-water testing
  • Wastewater analysis
  • Environmental laboratory testing
  • Research laboratories
  • Pharmaceutical laboratory water analysis
  • Food and beverage laboratories
  • Chemical laboratories
  • Academic and teaching laboratories
  • Industrial water-quality monitoring
  • General aqueous-sample analysis

6. Suitable For

The LMMP30 is suitable for:

  • Environmental laboratories
  • Water-testing laboratories
  • Pharmaceutical laboratories
  • Food and beverage laboratories
  • Chemical laboratories
  • Research institutions
  • Universities and colleges
  • Quality-control laboratories
  • Industrial laboratories
  • R&D facilities

10. FAQs

1. What parameters can the LMMP30 measure?

The LMMP30 measures pH, ORP, conductivity, TDS, salinity, resistivity and temperature.

2. What is the pH measurement range?

The pH range is -2.000 to 20.000 pH.

3. How many pH calibration points are available?

The instrument supports up to 5-point pH calibration with automatic buffer recognition.

4. What ORP range does the meter provide?

The ORP range is 0 to ±1999.9 mV.

5. What is the conductivity range?

The conductivity range is 0–200 mS/cm.

6. What is the TDS range?

The specified TDS range is 0–10 ppt, with a maximum of 200 ppt depending on the selected factor setting.

7. What is the salinity range?

The salinity range is 0–80 ppt.

8. What is the resistivity range?

The resistivity range is 0–100 MΩ.

9. Does the LMMP30 have automatic temperature compensation?

Yes. The instrument provides Automatic Temperature Compensation (ATC) and also allows automatic or manual temperature compensation depending on the measurement mode.

10. How much data can the meter store?

The LMMP30 can store up to 500 data sets with date and time.

11. Does the instrument provide electrode diagnosis?

Yes. The electrode diagnosis function provides slope and offset information.

12. What accessories are supplied?

The standard accessories include the main instrument, pH electrode, pH buffers, 1K conductivity cell, calibration solution, electrode stand, ATC probe, USB adaptor, instruction manual and test certificate.

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