Hana HI98172 is a portable device with ion concentration measurement and CAL CHECK functions:

Waterproof PH/mV/ISE/Temperature Tester:

HI 98172 is a new waterproof portable pH/mV/ISE/° C tester that can measure pH value, redox potential, ion concentration, and temperature. Featuring a unique Calibration Check system and excellent GLP functionality. The large background light screen can display calibration information and electrode status, making it easy to view instrument calibration status and electrode performance. Users can set calibration points and reminder periods according to actual situations, and promptly remind users to calibrate. The instrument has an automatic endpoint locking function, which facilitates users to record stable data. If the measurement exceeds the calibrated range, a prompt message will be displayed on the screen to remind the user to perform relevant operations. Excellent waterproof performance, use of car rechargeable batteries, equipped with a portable case and other design features, meet various requirements of field measurement environments. Up to 5 pH calibration points are available, and the instrument has 7 built-in calibration points and 5 user-defined calibration points. The instrument can store 150 sets of data and can view the stored data at any time. Equipped with RS232 interface, it can be connected to a computer for data transmission and analysis processing.

Technical parameters of Italy Hana HI98172: