Ngõ Vào Đo Điện Áp Hioki U8991
DIGITAL VOLTMETER UNIT HIOKI U8991
For minute voltage measurement, 6 1/2-digit high resolution: Max 1200000 counts
Basic specifications
Accuracy guaranteed: 1 year, Accuracy guarantee period after adjustment made by Hioki: 1 year
| Measurement functions | Number of channels: 4, for DC voltage measurement | |||||
|---|---|---|---|---|---|---|
| Input terminals | Isolated BNC connectors (Input impedance: 100 MΩ or higher with 1 V f.s. to 10 V f.s. range, otherwise 10 MΩ) Max. rated voltage to ground: 100 V AC, DC (with input isolated from the unit, the maximum voltage that can be applied between input channel and chassis and between input channels without damage) | |||||
| Measurement range | 1, 10, 100 V f.s., 3 ranges | |||||
| Measurement resolution | 1/1 000 000 of measurement range (using 24-bit ΔΣ modulation A/D) | |||||
| Integration time | 20 ms × NPLC (during 50 Hz), 16.67 ms × NPLC (during 60 Hz) | |||||
| Basic measurement accuracy | ±0.02% rdg. ±0.0025% f.s. | |||||
| Maximum input voltage Hioki U8991 | 100 V DC (maximum voltage that can be applied across input pins without damage) | |||||
| Dimensions and mass | 106 (4.17 in) W ×19.8 (0.78)H × 196.5 (7.74 in)D mm, 250 g (8.8 oz) | |||||
| Accessories | None | |||||



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