HI 8427
Precision Simulators for pH and mV Meters
HI 8427 is designed specifically to simulate pH and ORP electrodes and to confirm proper functioning of your meter. Standard pH electrode ranges are selectable with a dial on the front panel. The pH range is pH 0, pH 2, pH 4, pH 7, pH 10, pH 12 and pH 14 with the mV range being -1900 mV, -350 mV, +350 mV and +1900 mV.
Manual temperature compensation from 0 to 50°C (32 to 122°F) allows temperature simulation. Provided with a universal BNC connector, this unit is also a high impedance tester, for cable and connector inspection with a leakage sensitivity of 109 ohm. This unique tester is a "one of a kind" in the industry that eliminates the need for very expensive mega ohm meters.
Sometimes it is difficult to work out whether a particular malfunction is due to the meter or the electrode. If you have been in this position, the HANNA® precision HI 931001 pH/ORP electrode simulator is the perfect solution for you. By simply connecting HI 931001 to your meter’s input socket and turning the dials, pH readings can be simulated from 0 to 14 pH in 0.01 steps. The output signals all correspond to pH values at 25°C and your pH meter should display the same values that can be seen on the simulators LCD.
For the mV range, HI 931001 can simulate output from -1000 to +1000 mV in 1 mV steps.
Order Information:
HI 8427 is supplied with HI 7858/1 BNC/BNC connection cable (1m, 3.3′ long), battery and instructions.
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Range | pH | 0, 2, 4, 7, 10, 12, 14 |
Range | mV | -1900, -350, 350, 1900 |
Accuracy | pH | ±0.1 pH |
Accuracy | mV | ±5 mV |
High Impedance tets | 109 Ohm | |
Temperature Compensation | manual, 0 to 50°C | |
Battery Type / Life | 1 x 9V / approx. 100 hours of continuous use | |
Environment | 0 to 50°C (32 to 122°F); RH max 95% | |
Dimensions | 185 x 82 x 53 mm (7.3 x 3.2 x 2.1") | |
Weight | 255 g (9.0 oz) |
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