HIOKI CM7290 DISPLAY UNIT :
Hioki clamp-on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The 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. It is a Multi-functional Receiving/Display Unit to Use Right on the Field or Output to the Advanced Recorder or Logger.
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Key Features:
- Power supply and signal output for Current Sensor CT7000 series
- Simultaneous dual display of the measured values, frequency, and output rate
- Four output formats to output data to loggers or other devices (via Display Unit)
- Supports AC adapter, AA alkaline batteries, and external power supply
Specifications:
Accuracy guaranteed: 3 years
Waterproof characteristics are intended to maintain measurement function; measuring energized parts while the instrument is wet will increase the risk of electric shock.
| Sensor |
CT7642, 7742 |
CT7636, 7736 |
CT7631, 7731 |
| Measurement parameters |
DC, AC, DC+AC, Hz |
| Crest factor |
3 at 5000 counts or 2.5 at 6000 counts 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: analogue output) |
| PEAK sensing duration |
2 ms or greater
(during PEAK MAX/PEAK MIN and PEAK output) |
| 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 |
| 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) |
| Included accessories |
LR6 alkaline batteries ×2, Protector ×1, Instruction manual ×1 |
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