The large display shows readings in an extended range from -2.00 to 16.00 pH and simultaneously shows temperature from -5.0 to 105.0°C.
HI 991002 also measures ORP in the ±1999 mV range.
These meters have a stability indicator and hold feature that prompts you when to take the reading & freezes the display for easy and accurate recording. The large display features graphic symbols that guide you through all operations.
The battery life of the meters guarantees over 1500 hours of continuous use. At start-up, the meter performs a self-check and then display the percentage of the remaining battery level to assure proper working condition.
Calibration is performed automatically at 1 or 2 points using standard or NIST buffers.
Ordering Information:
HI 991001 – Waterproof pH meter with extended range
HI 991002 – Waterproof pH/mV meter with extended range
HI 991001 and HI 991002 is supplied with HI 1296D pH electrode with internal temperature sensor, pH 4 and pH 7 buffer sachets, HI 700661 electrode cleaning solution (2 x 20mL), batteries, rugged carrying case and instructions.
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