select the scale that matches your application and calibration standard

Temperature: Simultaneous temperature display

99 ppm ammonia-nitrogen

Professional dissolved oxygen testing made simple: Get lab-quality DO measurements with galvanic technology that's ready when you are

Hanna Instruments Shockproof Rubber Boot HI710028 - Orange Silicone Case for Foodcare & GroLine Meters pH ORP temp data logger select the scale that matchesProtect your Foodcare and GroLine meters with the Hanna Instruments HI710028 shockproof rubber boot. This premium orange silicone protective case is custom molded for the HI99xxx Foodcare series, HI9814 GroLine, and HI991000 family of portable meters, providing superior drop protection and enhanced grip for demanding food safety, agriculture, and water testing applications. Superior Protection Features: Impact resistant design: Absorbs shock from