HIOKI U8991 Digital Voltmeter Unit
• High-precision measurement of fine voltage fluctuation investigation etc. of sensor output
• High accuracy of ±0.02 % and super-high 1.2 million-count resolution
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Measurement functions |
Number of channels: 4, for DC voltage measurement |
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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) |
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Measurement range |
1, 10, 100 V f.s., 3 ranges |
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Measurement resolution |
1/1 000 000 of measurement range (using 24-bit ΔΣ modulation A/D) |
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Integration time |
20 ms × NPLC (during 50 Hz), 16.67 ms × NPLC (during 60 Hz) |
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Basic measurement accuracy |
±0.02% rdg. ±0.0025% f.s. |
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Maximum input voltage |
100 V DC (maximum voltage that can be applied across input pins without damage) |
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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) |
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Accessories |
None |
• DVM unit dedicated to 4-channel DCV measurement, 108 channels simultaneous sampling in combination with MR8740T
• High-precision measurement of fine voltage fluctuation investigation etc. of sensor output
• High accuracy of ±0.02 % and super-high 1.2 million-count resolution
• High-speed sampling at 50 samples/s
• Isolated input (channel-to-channel and channel-to-chassis: max. rated voltag to earth of 100 V AC/DC)
