"bouteille de gaz"

Accurate. Waterproof. No more switching between meters for your routine measurements with the HI98130 pH and conductivity tester.

Precision instruments made for repetitive use in student field investigations.

Rugged, reliable meters designed for educational outdoor experiments.

High-precision benchtop pH and ORP meter with advanced data logging and diagnostics.

Multi-parameter meters engineered for student use in real world testing environments.

Easy-to-use and accurate multi-parameter benchtop meter.

Wireless soil pH tester connects to smart devices for real time monitoring and data collection in agricultural applications.

All-in-one handheld tester for monitoring pH, nutrients, and water quality in hydroponic and agricultural systems.

Reads either pH (in 0.01 resolution) or mV in large digits, with time, date, and temperature (in °C or °F) shown simultaneously on the lower display.

Our HALO2 Wireless Field pH Tester has a durable PEI body and spherical sensing bulb, perfect for use in the field.