"Complete Meter Stick Optics Bench"

Highly reliable conductivity/TDS/salinity/resistivity benchtop meter for standard laboratory applications.

Simple-to-use benchtop meter designed to easily measure conductivity, TDS and salinity.

Units have instant-response probe and solid-state thermistor for quick, precise readings.

Accurate answers in five seconds with a meter that automatically selects proper range and displays the exact answer.

Simple to use benchtop meter for easily measuring pH and ORP.

Designed with a clear, user-friendly interface and the ability to store up to 99 items in its internal memory, the Starter™ 2200 pH bench meter is a reliable and efficient addition to basic laboratories or science classrooms.

An advanced, research-grade benchtop pH meter offering accurate, repeatable results.

The Free and Total Chlorine Photometer combines accuracy and ease of use in a simple, portable design. The advanced optical system provides lab-quality accuracy while its user-friendly design is easy for any user making it the perfect photometer for your water quality testing needs. This meter measures free and total chlorine in water samples from 0.00 - 5.00 mg/L (ppm).

Highly reliable and user-friendly pH benchtop meter for standard laboratory applications.

The Total Hardness Photometer combines accuracy and ease of use in a simple, portable design. The advanced optical system provides lab-quality accuracy while its user-friendly design is easy for any user making it the perfect photometer for your water quality testing needs. The HI97735 meter measures total hardness in water samples up to 750 mg/L (ppm) CaCO₃.