Pronto pH Indicator - HI981402

SKU: HI981402-01


The HI981402 is a water-resistant pH meter with a built-in digital LCD. The meter is supplied with the HI1286 double junction, plastic bodied, gel-filled combination pH electrode with a flexible 2 m (6.6’) cable. The electrode also has a unique clogresistant PTFE junction that enhances both probe life and accuracy. The BNC connector is protected by a waterproof sleeve.

  • Visual LED alarm
  • Great for hydroponics, aquariums, pools, & ponds
  • Spare and replacement electrodes are available for this product                        

HI 981402 is pH meter specially designed to meet the needs of simple continuous monitoring of pH. The housing has been completely sealed against vapors and humidity with IP54 rating. You can simply hang the meter right above the sample to be tested for continuous measurement.

The HI 1286 gel-filled pH electrodes are interchangeable and the BNC connector is protected behind a waterproof sheath. The unique design of the electrode provides longer life even in aggressive solutions. You can even select your own setpoint and be alerted of an abnormal situation with a flashing LED alarm.

Measurements are highly accurate and the meter can be calibrated at one or two points. You no longer need to worry about battery changes either: the unit runs without interruption on 12 VDC power supply.


Features at a Glance

LED Alarm

  • The alarm set point can be selected anywhere in the 3 to 11 pH range. A red LED warns the user in the event the reading is outside the setpoint by more than ±0.5 pH

Easy pH Calibration 

  • Calibration can be manually performed at two points through two easily accessible trimmers on the front of the unit

Easy Installation 

  • The HI981402 is suited for outdoor installations and highly humid conditions. The molded eye allows the meter to be installed close to the sample

Power Supply

  • 12 VDC power supply is ideal for continuous monitoring for extended periods of time
More Information
SKU HI981402-01
Product Name Pronto pH Indicator - HI981402
Quote Required No
pH Range 0.0 to 14.0 pH
pH Resolution 0.1 pH
pH Accuracy ±0.2 pH
pH Calibration manual, one or two-point
Alarm Relay Set Point Yes, red LED (blinks when pH reading differs from the setpoint more than ±0.5 pH)
Alarm Relay Range adjustable from 3.0 to 11.0 pH
pH Electrode HI1286 PEI body pH electrode with 2 m (6.6’) cable (included)
Power Supply 12VDC adapter (included)
Environment 0 to 50°C (32 to 122°F); RH max 95%
Dimensions 86 x 110 x 43 mm (3.4 x 4.3 x 1.7’’)
Weight 150 g (5.3 oz.)
Ordering Information HI981402-01 (Pronto pH) (115V) and HI981402-02 (230V) is supplied with HI1286 pH electrode, calibration screwdriver, 12 VDC power adapter and instructions
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