Portable Water Quality Tester, ORP Meter, Backlit

ATO water quality tester and ORP meter features a simple 3-button interface that switches among four functions, allowing effortless operation in various testing scenarios. The LED backlit digital display ensures clear data reading, while the lightweight body and LR44 battery design offer convenient, on-the-go use across 0–60 ℃ and high-humidity environments.

Specification

Features

1. Wide ORP Range Measures: –1200 to 1200 mV with ±2 mV accuracy, providing reliable results for various water quality testing needs.
2. Easy Multi-Function Control: Simple 3-button layout allows quick switching between four functions, making operation fast and intuitive.
3. Clear LED Backlit Display: Bright backlit screen ensures readings are easy to see in low-light or outdoor environments.
4. Portable and Lightweight: Compact 200 g design with LR44 battery power makes this portable ORP tester ideal for on-the-go water testing in homes, labs, aquariums, and field use.

Dedails

Operating Steps

User Guide

Basic Operations

Calibration

Note: The newly purchased tester is factory-calibrated and requires no additional calibration. If calibration is needed after one year of use, please use the standard 4.01 saturated quinhydrone solution for calibration.

Tips: What Steps Help Improve Water Quality Tester Stability During Testing?

To enhance the stability of water quality testing, systematic control of key steps is essential. Calibration is fundamental—regularly calibrate instruments using certified standard solutions and maintain sensors and reagents strictly according to specifications. Ensure consistent sample handling by allowing samples to equilibrate to room temperature in a stable environment and removing interfering substances when necessary. Perform tests in a controlled setting, free from vibrations and significant temperature fluctuations. Standardize all operations, including stirring speed, reaction time, and reading procedures. Finally, verify data reliability through quality control samples, parallel testing, and blank measurements. Only through rigorous and consistent control throughout the entire process can accurate and dependable results be achieved.