Benchtop Multi-parameter Water Quality Meter LMPWM-T2031

Introduction

Benchtop multi-parameter water quality meter is comes with different measurement modes for quality and testing of water on different parameters. It measures pH, Conductivity, , Salinity, Resistivity content from the test sample. It stores and recalls up to 500 sets of data. Calibration due reminder informs operator to calibrate the meter regularly.

This water testing equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Used for quality checking of water on different parameters across research, QC labs, water management plants and others production units.

Specifications

pH Range	-2.00 to 20.00 pH
pH Accuracy	± 0.002 pH
pH Resolution	0.1/0.01/0.001 pH, selectable
pH Calibration Points	1 to 5 Points
pH Buffer Solutions	( pH 4.0/7.00/10.01) or (pH 4.01/6.86/9.18) or buffers
mV Range	-1999.9 to 1999.9 mV
mV Accuracy	± 0.2 mV
mV Resolution	0.1/1 mV, selectable
mV Calibration Points	1 Point
Conductivity Range	0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm
Conductivity Accuracy	± 0.5% F.S.
Conductivity Resolution	0.01/0.1/1
Conductivity Calibration Points	1 to 5 Points
Conductivity Solutions	10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm
Conductivity Temperature Coefficient	0.0 to 10.0% /°C
Compensation Mode	Linear or Pure Water
Cell Constant	K=0.1, 1, 10 or Custom
Reference Temperature	20 or 25°C
Range	0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt)
Accuracy	± 1 % F.S.
Factor	0.1 to 1.0 (Default 0.5)
Salinity Range	0 to 10 ppt (maximum 80 ppt)
Salinity Accuracy	± 1 % F.S.
Salinity Measurement Modes	Seawater or practical salinity
Resistivity Range	0 to 100 MΩ
Resistivity Accuracy	± 1 % F.S.
Resistivity Resolution	0.01, 0.1, 1
Temperature Range	0 to 105°C, 32 to 221°F
Temperature Accuracy	± 0.5°C
Temperature Resolution	0.1°C
Temperature Calibration Points	1 Point
Temperature Compensation Mode	Manual or Automatic
Data Hold Function	Manual or Automatic endpoint detection
Stability Criteria	Low or High
Calibration Due Alarm	1 to 31 Days
Reset Function	Yes
Memory	Stores up to 500 data sets
Output	interface
Connector	, 6-pin mini plug
Display
Power Supply	DC5 V, AC 220 V, 50 Hz
Dimensions	210 × 188 × 60 mm

Features

Common Features Stability indicator displays the status of current measurement

Auto hold function freezes stable, final readings for better viewing and recording

Manual temperature calibration to rectify the deviations in temperature

Automatic temperature compensation for accurate measured value over the entire range

Selectable temperature units (°C or °F) for different application requirements

Expanded memory stores and recalls up to 500 readings

Help message as an operational guide, helps users for quick access to the parameters

Reset function automatically resumes all the setting back to factory default options

Store data is transferrable into computer via communication interface

pH mode 1-5 points push button calibration to automatically identify pH buffer

Convenient to select pH buffer standard (//) or custom

Automatic electrode slope display helps operator whether to replace the sensor

Conductivity// Salinity/Resistivity mode 1-5 point for calibration with automatically identification of calibration solutions

Can select cell constant (0.1/1/10) and normalization temperature (20°C or 25°C)

conversion factor, seawater, practical salinity measurements mode to meet different water quality measurement requirements

Linear or pure water compensation improves the measurement accuracy

FAQs

1. In what scenarios is the Benchtop Multi-parameter Water Quality Meter particularly useful for comprehensive water quality testing?

It Benchtop Multi-parameter Water Quality Meter is ideal for environments where full-spectrum water analysis is needed, such as in water treatment facilities, quality control labs, and environmental monitoring stations. Its ability to measure pH, conductivity, , salinity, and resistivity from a single sample increases efficiency and reduces equipment clutter. The meter is especially valuable when dealing with diverse water sources—from freshwater to seawater. This comprehensive capability supports accurate and streamlined testing protocols.

2. How does the Benchtop Multi-parameter Water Quality Meter simplify the calibration process for multi-parameter testing?

The Benchtop Multi-parameter Water Quality Meter offers up to five-point calibration for most parameters, with automatic recognition of standard solutions to reduce user error. Calibration for pH can be performed using , , or buffer systems, providing flexibility based on lab preferences. It also features a calibration due reminder, prompting users to maintain the device regularly for optimal performance. These features help ensure reliability across all measurement modes with minimal manual intervention.

3. What makes the user-friendly for everyday lab or plant operations?

Benchtop Multi-parameter Water Quality Meter includes a clear screen, auto-hold functionality, and help messages to guide users through setup and measurement. Stability indicators let users know when readings are consistent and ready to record. Its intuitive interface allows quick switching between parameters, which is particularly useful in fast-paced environments. These user-friendly features minimize training time and help reduce operational errors.

4. How does the support safe and consistent measurements in varying temperature conditions?

Benchtop Multi-parameter Water Quality Meter measures temperatures up to 105°C and features both manual and automatic temperature compensation. This ensures accurate readings even in samples with fluctuating or extreme temperatures, such as industrial effluents or heated process water. It also allows users to select between °C and °F, depending on their regional standards or project requirements. Such flexibility enhances the reliability of measurements under diverse environmental conditions.

5. What maintenance features are built into the to extend its usability?

Benchtop Multi-parameter Water Quality Meter includes a reset function to quickly restore factory settings if user configurations become problematic. An automatic electrode slope display alerts users when the pH sensor may need replacement, helping prevent compromised data. Manual temperature calibration is also available to correct any deviations due to sensor aging. These built-in maintenance aids promote long-term stability and reduce downtime.