HANNA® HI-98121 Combo pH/ORP Tester
The Hanna Instruments Combo series model HI 98121 is designed for simultaneous pH and ORP measurements. HI 98121 also reads temperature, which is continuously displayed on the dual level LCD. The pH electrode fiber junction can be easily pulled out for replenishment. The pH electrode cartridge can be quickly replaced with the supplied electrode removal tool. The encapsulated external stainless steel temperature sensor provides a fast response due to its close proximity to the pH electrode. The HI 98121 works with common batteries and displays the percentage of battery life remaining when turned on. The stability indicator ensures reliable readings.
HI 98121 is supplied complete with protective cap, electrode removal tool, batteries and instructions.
Purchase BP7022M50 validation solution (470 mV) separately and keep on hand to test the accuracy of the ORP meter.
- pH Range: -2.0 to 16.0, Accuracy: ±0.1 pH
- Temperature Range -5.0 to 60.0°C/23.0 to 140.0°F
- ORP Range: ±1000 mV, Accuracy 1 mV
Instruction Manual (PDF - 522 KB)

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