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MR8990 - Digital Voltmeter Unit

MR8990 - Digital Voltmeter Unit
MR8990 - Digital Voltmeter Unit
MR8990 - Digital Voltmeter Unit
MR8990 - Digital Voltmeter Unit
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Product number: MR8990
Length: 196.5 mm
Width: 106 mm
Height: 19.8 mm

Product information MR8990 - Digital Voltmeter Unit


Typical Applications 

  • Include high-resolution DC monitoring, 
  • Battery characterization,
  • Power rail stability analysis, 
  • Calibration verification 
  • 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)

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. 

Compatible memory recorders 
  • MR6000
  • MR6000-01
  • MR8740T
  • MR8740
  • MR8741
  • MR8827
  • MR8847A
  • MR8848
  • MR8990 Digital Voltmeter Unit

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