Portable Multi-parameter Water Quality Meter LMPWM-T2011

Introduction

Portable Multi-parameter Water Quality Meter offers dual measurement, such as pH and DO meter. It is equipped with advanced a large Water Quality Meter is widely used for water quality testing, agriculture, food and beverages, environmental monitoring, pharmaceutical, and research labs, and more.

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

Portable Multi-parameter Water Quality Meter is a versatile and reliable tool widely used in various fields requiring precise measurement of pH, dissolved oxygen (DO). Its compact design and waterproof build make it suitable for both laboratory and field environments. It is widely used for Environmental Monitoring, Drinking Water and Wastewater Treatment, Educational & Research Institutions, Pharmaceutical Industry, Agriculture, Food & Beverage Industry.

Specifications

pH Measuring Range	-2.00 to 19.99 pH
pH Resolution	0.1/0.01 pH
pH Accuracy	Meter: ± 0.01 pH; Overall: ± 0.02 pH
pH Input Impedance	At least 1 × 1012 Ω
pH Stability	± 0.01 pH/3h
pH Temperature Compensation	0 to 100 ℃ ( Automatic/Manual)
mV Measuring Range	± 1999.9 mV
mV Resolution	1 mV
mV Accuracy	± 0.1% F S
DO Measuring Range	0 to 20.00 mg/L (ppm), 0 to 200.0%
DO Resolution	0.1/0.01 mg/L (ppm), 1/0.1%
DO Accuracy	Electrode: ± 0.10 mg/L, Instrument: ± 0.40 mg/L
DO Response Time	Up to 30s (25℃, 90% response)
DO Residual Current	Up to 0.1 mg/L
DO Temperature Compensation	0 to 45℃ (automatic)
DO Salinity Compensation	0 to 45 ppt (automatic)
DO Pressure Compensation	66 to 200 kPa (manual)
DO Auto calibration	Air saturated by water, water saturated by air
DO Electrode Type	polarographic
Temperature Measuring Range	0 to 100 ℃
Temperature Resolution	0.1℃
Temperature Accuracy	5 to 60 ℃ : ± 0.4℃ Others: ± 0.8℃
Data Storage	200 sets
Power	AA batteries (1.5V) x 2
Ambient Temperature	5 to 35℃
Ambient Humidity	Up to 85%
IP Grade	IP57 Dustproof and Waterproof
Dimensions	160 × 90 × 30 mm
Packaging Dimension	480 × 300 × 60 mm
Net Weight	360 g
Gross Weight	1 Kg

Features

Automatic calibration

Data storing

Automatic power-off

Under-voltage prompt

Auto salinity compensation

FAQs

1. What are the power requirements of the Portable Multi-parameter Water Quality Meter?

Portable Multi-parameter Water Quality Meter operates on two 1.5V AA batteries, making it highly portable and convenient for both lab and field use. It also features auto power-off and low battery warning functions to conserve energy and ensure uninterrupted operation during measurements.

2. What is the advantage of the polarographic DO electrode used in the Portable Multi-parameter Water Quality Meter?

Portable Multi-parameter Water Quality Meter contains a polarographic DO (Dissolved Oxygen) electrode. It offers fast and accurate oxygen measurements, with a short polarization time of just 3–5 minutes, allowing quicker startup compared to traditional sensors. It is well-suited for applications requiring stable and precise DO readings, especially in lab and field environments.

3. What automatic recognition features does the Portable Multi-parameter Water Quality Meter offer?

Portable Multi-parameter Water Quality Meter includes advanced auto-recognition features that enhance accuracy and ease of use. It can automatically recognize up to 25 internationally accepted pH buffer solutions (from , Europe, and standards) and supports 1 to 3-point calibration.

4. What are the functions of the built-in microprocessor chip in the Portable Multi-parameter Water Quality Meter?

Portable Multi-parameter Water Quality Meter has in-built microprocessor chip that enhances the device’s performance by managing several key functions automatically. These include auto calibration, automatic temperature compensation (), data storage, custom function settings, auto diagnosis, auto power-off, and low battery warning. This intelligent system ensures accurate readings, ease of use, and efficient operation across all measurement modes.

5. What features make the Portable Multi-parameter Water Quality Meter ideal for outdoor use?

Portable Multi-parameter Water Quality Meter is designed with several features that make it well-suited for outdoor applications. It has a compact, lightweight build for easy handling in the field. The IP57 waterproof and dustproof rating ensures durability in harsh environments. Its large screen with a controllable white backlight allows clear visibility in bright sunlight and low-light conditions. Additionally, it runs on standard AA batteries, eliminating the need for external power sources, and includes auto power-off and low battery alerts for energy efficiency and reliability during fieldwork.