pH & ORP indicator combined with alarm light
HI 981 406 is designed for the control of swimming pool water and for all those applications where it is necessary to simultaneous monitoring of pH and ORP (oxidation-reduction potential).
Instead of using two separate instruments for the measurement of these parameters, one can use the combined HI 981406, which monitors simultaneously two parameters at a fixed location.
HI 981406 also allows you to set two different sets of points respectively for pH and ORP. If the set point for the pH is exceeded, the corresponding LED light will illuminate and alerts the operator of the alarm condition. Similarly happens if the ORP value measured falls below the corresponding point of the set.
HI 981 406 is provided with bar for the reference potential HI 1283, the use of which provides a longer life of the pH electrode.
Electrodes HI 2114P / 2 for pH and HI 3214P / 2 ORP (not included) are ideal for swimming pool water and are particularly resistant filling. These possess a bar to the reference potential which allows the differential measurement of the pH, ie stability of reading and long life of the electrode.
Specifications HI 981406
PH scale 0.0 to 14.0 pH
MV ± 999 mV
PH resolution PH 0.1
MV resolution 1 mV
Accuracy pH (at 20 ° C) ± 0.2 pH
Accuracy mV (at 20 ° C) ± 5 mV
PH calibration Manual, 1 or 2 points
Set point pH adjusted from 5.0 to 9.0 pH, ORP: adjustable from 350 to 850 mV
Alarm 2 red LEDs (1 to 1 for pH and ORP) lit when the pH value is greater than or when the ORP value is less than its set point
PH electrode HI 2114P / 2 replaceable pH electrode (not included), double junction, gel-filled, 2 m cable, BNC connector
ORP electrode HI 3214P / 2 ORP electrode replaceable (not included), double junction, gel-filled, platinum sensor, 2 m cable, BNC connector
Probe HI 1283 bar to the reference potential with 2 m cable (included)
Input Impedance 10 12 Ohm
Supply 12 VDC external power supply (included)
Dimensions and weight 165 x 110 x 35 mm / 300 g
Accessories HI 981406
HI 1283 Bar for grounding, cable 1 m
HI 2114P PH electrode, gel electrolyte, cloth junction, PEI body, BNC connectors and banana, 2 m cable
HI 3214P ORP electrode for HI 981406 and HI 982401, Gel, body in PEI
HI 70000P Electrode rinsing solution, 20 ml sachet, 25
HI 70004P Solution pH 4, 25 sachets of 20 ml
HI 70007P Solution pH 7.01, 25 sachets of 20 ml
HI 7020M ORP test solution to 230/275 mV, 230 mL bottle
HI 70300M Electrode storage solution, 230 mL bottle
HI 7061M Electrode cleaning solution, general use, 230 mL bottle
HI 7091M Reducing pretreatment solution, 230 mL bottle
HI 7092M Oxidizing pretreatment solution, 230 mL bottle
HI 710006 12 Vac adapter Vdc/230