Mengchuan Instrument Co,Ltd.
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| Electrical Specifications | ||
| Maximum voltage to earth ground | 1000 V | |
| Battery type | AA alkaline IEC/EN LR6 (x4) | |
| Battery life | More than 15 hours* | |
| * In Ground Resistance measurement mode, with backlight turned off, and RF mode turned off | ||
| Frequency range | 40 Hz to 1 kHz | |
| Ingress protection | IEC/EN 60529: IP30 with jaw closed | |
| LCD | Digital reading | 9999 counts |
| Refresh rate | 4 per second | |
| Operating temperature | -10 °C to + 50 °C | |
| Storage temperature | -20 °C to + 60 °C | |
| Operating humidity | Non condensing (<10 °C) (< 50 °F) | |
| ≤90% RH (at 10 °C to 30 °C [50 °F to 86 °F]) | ||
| ≤75% RH (at 30 °C to 40 °C [86 °F to 104 °F]) | ||
| ≤45% RH (at 40 °C to 50 °C [104 °F to 122 °F]) | ||
| (Non condensing) | ||
| Operating altitude | 2000 m (6561 feet) | |
| Storage altitude | 12 000 m (39,370 feet) | |
| Reference temperature | 23 °C ±5 °C (73 °F ±9 °F) | |
| Temperature coefficient | 0.15% x (specified accuracy)/ °C (<18 °C or >28 °C [<64.4 °F or >82.4 °F]) | |
| Overload indication | OL | |
| Data logging capacity | Minimum of 32,760 measurements | |
| Data logging interval | 1 second to 59 minutes and 59 seconds | |
| Display reading specification with standard loop resistance | ||
| Input (Ω) | Minimum | Maximum |
| 0.474 | 0.417 | 0.531 |
| 0.5 | 0.443 | 0.558 |
| 10 | 9.55 | 10.45 |
| 100 | 96 | 104 |
| Safety | ||
| General | IEC/EN 61010-1: Pollution Degree 2 IEC/EN 61557-1 | |
| Measurement | IEC/EN 61010-2-032: CAT IV 600 V / CAT III 1000 V | |
| Current clamp for leakage current measurements | IEC/EN 61557-13: Class 2, ≤30 A/m | |