Sinotester

Sinotester – Your Trusted Lab Instrument Partner in Water & Solution Analysis

A Bridge Between Science and Precision

Founded in Ningbo, China in 2008, Sinotester has grown into a leading OEM of high-quality lab instruments. With its own factory, R&D center, and QC team, the company ensures rigorous quality control. Sinotester holds CE and ISO 9001 certifications, exporting to over 50 countries across agriculture, environmental, food, and health sectors.

A Smart Product Line-Up That Speaks Innovation

Refractometers: These devices are specifically designed to measure sweetness and the concentration of dissolved solids in solutions such as honey, beer, fruit juice, milk, or battery electrolytes. Sinotester offers both mechanical and digital refractometer models, featuring automatic temperature compensation (ATC) and clear digital displays.

pH, ORP, Conductivity, and TDS Meters: This category includes handheld pH meters, benchtop meters, BNC or Q9 standard glass electrodes, and online sensors with RS485 communication. The devices are suitable for applications ranging from basic laboratory testing to industrial system monitoring.

Colorimeters and Water Quality Testers: Includes colorimeters, COD (Chemical Oxygen Demand) meters, and turbidity meters – all designed for monitoring water quality in wastewater treatment plants, environmental labs, and municipal water systems.

Specialized Instruments for Food and Healthcare: In addition to water analysis equipment, Sinotester also provides milk analyzers (for density and content measurement), digital thermometers, and medical instruments for rapid diagnostics in the food industry, hospitals, and biological research facilities.