The Hanna Instruments HI 931002 is a portable device designed to monitor and regulate 4-20 mA current loops from process meters, functioning as a simulator, ammeter, and calibrator. It features four operational modes: Passive Drive/Calibrator, Active Drive/Simulator, Passive Measurement/Tester, and Active Measurement/Tester. The device utilizes a large LCD display and includes two dials for quick current adjustment.
| Current Range (Active Drive) | 2.00 to 19.99 mA |
|---|---|
| Current Range (Passive Drive) | 2.00 to 19.99 mA |
| Current Range (Active Measure) | 0.00 to 19.99 mA |
| Current Range (Passive Measure) | 0.00 to 19.99 mA |
| Resolution | 0.01 mA |
| Accuracy | ±0.01 mA |
| Input Resistance | 20 Ω |
| Fuse Rating | 200 mA, 250 V |
| Battery Life | 1600 hours |
| Dimensions | 180 x 83 x 40 mm |
| Weight | 320 g |
The reading is calculated as 1.14 times the pH reading plus 4.
The 9V alkaline battery provides approximately 1600 hours of continuous use.
The 'V' indicator and two decimal points will blink on the LCD.