Chemical and water treatment related instruments
ASYS Corporation is deeply involved in the field of chemical concentration monitoring and water quality instrumentation, being regarded as a strong industry partner.
In recent years, we have developed a range of online products for customers with particular application needs.
Online type - pH / ORP, Electrical conductivity
Offline type - pH
Offline type - Conductivity
Offline type - Dissolved oxygen
Offline type - COD
Offline type - Turbidity meter
Offline type - Multi-parameter water quality analysis
Offline type - Ammonia, Nitrogen
Offline type - Residual Chlorine
Offline type - Hardness
Offline type - Automatic titrator

Offline type - pH
Offline type - Conductivity
Offline type - Dissolved oxygen
Offline type - COD
Offline type - Turbidity meter
Offline type - Multi-parameter water quality analysis
Offline type - Ammonia, Nitrogen
Offline type - Residual Chlorine
Offline type - Hardness
Offline type - Automatic titrator
Ultra Pure Water EC/Resistivity Waterproof Portable Meter
Expanded Ranges - HI98197 has an expanded conductivity range from 0.000 μS/cm to 1000 mS/c ...
NANNA HI98301/ HI98302/ HI98303/ HI98304
DiST® 4 Waterproof EC Tester
Slim, Ergonomic Design
Battery % Level at Startup ...
Battery % Level at Startup ...
Pure Water tester
The HI98308 Pure Water tester is a rugged and
reliable pocket-sized tester that offers quic ...
reliable pocket-sized tester that offers quic ...
EC/TDS/Temperature Tester
Compact & waterproof design fits right in your pocket so you can take it anywhere.
Replacea ...
Replacea ...
Laboratory Research Grade Benchtop Dissolved Oxygen and BOD Meter
Highly Customizable User Interface
Color Graphic LCD ...
Color Graphic LCD ...
Waterproof Portable Dissolved Oxygen and BOD Meter
Ergonomic, rugged, waterproof (IP67) design
Built in Barometer ...
Built in Barometer ...
Wastewater Multiparameter (with COD) Benchtop Photometer and pH meter
Advanced optical system- Unparalleled performance from a benchtop photometer
Digital pH ele ...
Digital pH ele ...
Water & Wastewater Multiparameter (with COD) Photometer and pH meter
Advanced optical system- Unparalleled performance from a benchtop photometer
Digital pH ele ...
Digital pH ele ...
COD Test Tube Heater
The aluminum block incorporates a 25 vial capacity and a well for a reference temperature ...
Turbidity and Chlorine Portable Meter
Three Measurement Modes - Including ratio mode for turbidity, free chlorine, and total chl ...
Turbidity Portable Meter
EPA CompliantMeasurement - The HI98703 meets and exceeds the requirements of EPA and Stand ...