We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and...

The HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker. The redesigned Checker now offers automatic calibration to one or two points, automatic buffer recognition,...

One Meter to RULE THEM ALL! Marine Master Waterproof Wireless Multiparameter Photometer w/Bluetooth Connection to the Hanna App where you can save your results. pH (HI780) Alkalinity (HI772) Ammonia (HI784) Calcium (HI758) Magnesium...

Monitoring the salinity, pH and temperature of the water is an important routine in the maintenance of a marine aquarium or marine aquaculture. The Hann HI981520 is an easy-to-use monitor that continuously monitors and displays salinity (via...

The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per...

Our HALO® Wireless Field pH Meter has a durable PEI body and spherical sensing bulb. All readings are transmitted directly to your Apple or Android device or the edge®blu. Take laboratory grade pH and temperature measurements using your...

Our HALO2 Wireless Field pH Tester has a durable PEI body and spherical sensing bulb, perfect for use in the field. Open-source Bluetooth allows easy integration into current data logging systems IP65 water resistant...

Monitoring the salinity, pH and temperature of the water is an important routine in the maintenance of a marine aquarium or marine aquaculture. The Hann HI981520 is an easy-to-use monitor that continuously monitors and displays salinity (via...