Hioki CM7290 DISPLAY UNIT
Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The Hioki CM7290 is the display and output unit for the CT7600 and CT7700 AC/DC Current Sensor series, creating a standalone clamp meter for field use or enabling waveform signals to be output to a Hioki memory recorder or logger for further analysis.
Basic specifications (Accuracy guaranteed for 3 years, Post-adjustment accuracy guaranteed for 3 years)
| Sensor | CT7642, 7742 | CT7636, 7736 | CT7631, 7731 |
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| Measurement parameters | DC, AC, DC+AC, Hz | ||
| Crest factor | 3 at 5000 count or 2.5 at 6000 count for AC and DC+AC | ||
| Output method | WAVE, RMS, PEAK, FREQ | ||
| Input connectors | HIOKI PL 14 | ||
| Output update time | PEAK— FAST: 0.02 s / NORMAL: 0.2 s / SLOW: 1 s FREQ— FAST: FAST: 0.2 s / NORMAL: 0.2 s / SLOW: 3.0 s (WAVE, RMS: analog output) |
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| PEAK sensing duration | 2 ms or greater (during PEAK MAX/PEAK MIN and PEAK output) |
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| Other functions | Auto range, Zero adjustment at power-up, Analysis display, Filter, Output amplification, Display value hold, Backlight , Auto-power save, Save settings, keypad lock | ||
| Typical accuracy (WAVE output DC) | ±2.0% rdg. ±10.8 mV (60.00 A range) |
±2.5% rdg. ±30.8 mV (60.00 A range) |
±1.5% rdg. ±5.8 mV (60.00 A range) |
| Typical accuracy (RMS output AC) | ±2.3% rdg. ±10.8 mV (60.00 A range) |
±2.8% rdg. ±30.8 mV (60.00 A range) |
±1.8% rdg. ±5.8 mV (60.00 A range) |
| Power supply | LR6 alkaline batteries (AA) ×2, Continuous use: 16 h (backlight OFF and WAVE or RMS output, when used with CT7600s), Rated power 2.5 VA or AC adapter 9445-02/03 (100 to 240V AC), or 5 to 15 V DC external power supply, Rated power 2.5 VA |
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| Dust and water resistance * | IP54 (with sensor connected and caps fitted to AC adapter and power connector) | ||
| Dimensions and mass | 52 mm (2.05 in)W × 163 mm (6.42 in)H × 37 mm (1.46 in)D, 220 g (7.8 oz) (including protector and battery) | ||
| Accessories | LR6 alkaline batteries ×2, Protector ×1, Instruction manual ×1 | ||
