8971 - HIOKI Current Unit for MR8847
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Instantly measure wide band current waveforms Key Features • Direct connectable with current sensors • From low to high frequency, wide bandwidth RMS rectifier installed(DC, or 30 Hz to 10 kHz) • Monitor instantaneous waveforms without the need to pass through the rectifying circuit • 12-bit A/D resolution
Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
| Measurement functions | Number of channels: 2, Current measurement with optional current sensor, Maximum 4 units connectable to the 8847 |
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| Input connectors | Sensor connector (input impedance 1 MΩ, exclusive connector for current sensor via conversion cable the 9318, common ground with recorder) |
| Compatible current sensors | CT6863, CT6862, 9709, 9279, 9278, 9277, 9272-10 (To connect the 8971 via conversion cable the 9318) |
| Measurement range |
Using 9272-10 (20A), 9277: 100mA to 5A/div (f.s.=20div, 6 settings) Using CT6862: 200mA to 10A/div (f.s.=20div, 6 settings) Using 9272-10 (200A), 9278, CT6863: 1A to 50A/div (f.s.=20div, 6 settings) Using 9279, 9709: 2A to 100A/div (f.s.=20div, 6 settings) |
| Accuracy |
Using 9278, 9279: ±0.85% f.s. Using other sensor: ±0.65% f.s. RMS amplitude accuracy: ±1% f.s. (DC, 30Hz to 1kHz), ±3% f.s. (1kHz to 10kHz) RMS response time: 100ms (rise time from 0 to 90% of full scale), Crest factor: 2 Frequency characteristics: DC to 100kHz, ±3dB (with AC coupling: 7Hz to 100kHz) |
| Measurement resolution | 1/100 of range |
| Highest sampling rate | 1 MS/s (simultaneous sampling across 2 channels) |
| Other functions | Input coupling: AC/DC/GND, Low-pass filter: 5, 50, 500, 5k, 50kHz, or OFF |
| Dimensions and mass | 106 mm (4.17 in) W × 19.8 mm (0.78 in) H × 196.5 mm (7.74 in) D, 250 g (8.8 oz) |
| Accessories | CONVERSION CABLE 9318 × 2 (To connect the current sensor to the 8971) |
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