HIOKI MR8990 - Digital Voltmeter Unit
Description
Product information HIOKI MR8990 - Digital Voltmeter Unit
The MR8990 Digital Voltmeter Unit is a 2-channel, 6.5-digit high-precision DC voltage measurement module for the memory recorders MR6000, MR6000-01, MR8740T, MR8740, MR8741, MR8827, MR8847A and MR8848. It enables high-accuracy DC voltage analysis in multi-channel recorder systems for industrial, energy and development applications.
With a resolution of up to 0.1 µV and a sampling rate of up to 500 S/s, the unit enables highly stable DC voltage measurement across five selectable ranges from 100 mV to 1000 V full scale. Standard 4 mm banana input connectors allow robust and flexible connection in laboratory and validation setups.
Typical applications include high-resolution DC monitoring, battery characterization, power rail stability analysis, calibration verification and long-term reference voltage measurement.
Technical Specifications
- Channels / input: 2 (isolated, 4 mm banana)
- Measurement type: DC voltage, 6.5 digits
- Measurement range: 100 mV to 1000 V full scale (5 ranges)
- Resolution: up to 0.1 µV
- Sampling rate: up to 500 S/s
- Input impedance: 100 MΩ (100 mV–10 V ranges), otherwise 10 MΩ
- Voltage limits: 500 V DC input; 300 V AC/DC to ground
- Basic accuracy: ±0.01% rdg. ±0.0025% f.s. (1000 mV range)
Compatible memory recorders
- MR6000
- MR6000-01
- MR8740T
- MR8740
- MR8741
- MR8827
- MR8847A
- MR8848
What's in the Box
- MR8990 Digital Voltmeter Unit
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Product Brochure with Data Sheet, Memory Recorder MR6000 (English)11,517 KB pdf
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Product brochure with data sheet, Modular Memory Recorder MR8848 (English)5,154 KB pdf
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Instruction Manual, Modules for Memory Recorders (Japanese, English)2,514 KB pdf
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Product brochure with datasheet, Memory Recorder MR8740T (English)7,728 KB pdf
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