Portable Multi-parameter Water Quality Meter LMPWM-T2010

Introduction

Portable Multi-parameter Water Quality Meter is adapted with different modes for measuring quality of water on different parameters such as pH, , Ion, conductivity, , salinity, dissolved oxygen content. Due to its portable design, it is suitable for outdoor measurements i.e. on site water testing, remote area water testing & for research purpose. It is reliable and user friendly.

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

The portable multi-parameter water quality meter is used for quality testing of water on different parameters in research and development labs, water resources and plants in nearby or remote area.

Specifications

pH Measurement Range	(-2.000) to 20.000 pH
pH Accuracy	± 0.002 pH
pH Calibration Points	1 - 5 points
pH Calibration Solutions	, , or user defined
Measurement Range	-1999.9 to 1999.9 mV
Accuracy	±0.2 mV
Calibration Points	1 point
Calibration Solutions	mV & relative mV
Ion Measurement Range	0 to 19999 ppm, mg/L, mol/L
Ion Accuracy	± 0.5 % F.S. (monovalent), ± 1 % F.S. (divalent)
Ion Calibration Points	2 - 5 points
Ion Calibration Solutions	0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol/L, mg/L
Conductivity Measurement Range	0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm
Conductivity Accuracy	± 0.5 % F.S.
Conductivity Calibration Points	1 - 5 points
Conductivity Calibration Solutions	10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm
Temperature coefficient	0.0 to 10.0 % / °C
Compensation modes	Linear or pre water
Cell constant	K = 0.1, 1, 10 or user-defined
Normalization temperature	20 °C or 25 °C
range	0 to 100 ppt. (max. 200 ppt., depending on factor setting)
Accuracy	± 1 % F.S.
Factor	0.1 - 1.0 (default 0.5)
Salinity Range	0 to 100 ppt. (max. 80 ppt.)
Salinity Accuracy	± 1 % F.S
Salinity Measurement Modes	Seawater or practical salinity
Resistivity Range	0 to 100 Ω
Resistivity Accuracy	± 1 % F.S
Resistivity Resolution	0.01, 0.1, 1
DO Concentration Range	0.00 to 20.00 mg/L
DO Accuracy	± 0.2 mg/L
Calibration points	1 - 2 points
Pressure correction	60.0 to 112.5 kPa, 450 - 850 mmHg
Salinity correction	0 to 50 g/L
% Saturation of Oxygen	0.0 to 200.0 %
Accuracy	± 2.0 %
Temperature compensation	0 to 100 °C, 32 to 212 °F, Manual or Automatic
Stability conditions	Low or high
Power supply	3 × 1.5 V “AA batteries or DC 5 V power adapter
Calibration due	0 to 31 days
Memory	Stores up to 500 data sets
Output	communication interface
Dimension (L × W × H)	185 × 88 × 32 mm
Weight	300 g

Features

Common Features Calibration due reminder informs operator to calibrate the meter regularly

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

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

Automatic electrode slope display helps operator whether to replace the sensor

mode 1 point offset calibration to adjust the display value to known standard Relative & absolute mV measurements for accurate readings

Ion concentration mode 2-5 points calibration, included with 8 concentration points for selection

Automatic recognition of ion electrodes, no need to specify type of ion

mV measurements mode for checking the performance of current ion electrode

Direct reading of concentration measurements to avoid critical conversation and calculations

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

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

Linear or pure water compensation improves the measurement accuracy

Dissolved oxygen mode 1-2 points calibration using the air-sealed water & zero oxygen solution

Manual salinity & barometric pressure compensation for accurate readings

FAQs

1. Can the It Portable Multi-parameter Water Quality Meter be used for field testing in remote areas without access to power?

Yes, It Portable Multi-parameter Water Quality Meter is designed with portability and operates using 3 × 1.5 V AA batteries, making it ideal for on-site testing in remote or outdoor environments. It also supports a DC 5 V power adapter for flexibility. The meter's compact design and lightweight build make it easy to carry in the field. This ensures reliable water quality assessment even in extreme locations.

2. How user-friendly is the Portable Multi-parameter Water Quality Meter for someone new to water quality testing?

The Portable Multi-parameter Water Quality Meter includes a help message feature that guides users through operations, making it accessible even for beginners. It also has automatic calibration recognition, auto hold function, and a stability indicator to simplify the testing process. With easy navigation and automatic identification of buffer and calibration solutions, new users can achieve accurate results with minimal training. Additionally, factory reset options are available in case of user errors.

3. How does the Portable Multi-parameter Water Quality Meter ensure accurate readings across varying temperatures?

Portable Multi-parameter Water Quality Meter includes automatic temperature compensation () for all measurement modes, which adjusts readings based on real-time temperature changes. It supports both linear and pure water compensation models to enhance accuracy. Manual temperature calibration is also available to fine-tune performance when necessary. This is especially useful in field conditions where environmental temperatures may vary.

4. Can this Portable Multi-parameter Water Quality Meter store measurement data and how is the data retrieved?

Yes, Portable Multi-parameter Water Quality Meter has internal memory capable of storing up to 500 data sets. Data can be easily transferred to a computer via the built-in communication interface. This is particularly beneficial for researchers and quality control personnel who need to analyze trends or generate reports. Efficient data management enhances traceability and documentation in professional settings.

5. Is the meter suitable for testing various water types, such as seawater or drinking water?

Absolutely. The Portable Multi-parameter Water Quality Meter offers multiple salinity measurement modes, including seawater and practical salinity, making it adaptable to different water sources. It also supports a wide range of measurement types including pH, , , conductivity, and dissolved oxygen, ensuring comprehensive analysis. This meter provides accurate, reliable readings for testing groundwater, drinking water, or seawater. meter's broad calibration and compensation options further enhance its versatility.