204B - NEWPORT Electronics Voltmeters

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Technical Specifications

High end frequency limit

Voltage Range High
400 V

Voltage Range Low
40 mV

Extra Specifications
3 3/4 Digit DC Voltmeter with BCD Output

Product Description

In its base configuration, Model 204B is a high-accuracy ▒3,999-count DC voltmeter which fills the gap between 3 1/2 and 4 1/2 digit resolution. The most sensitive standard input range is ▒39.99 mV full-scale and provides 10 ÁV resolution. Extended-range options are available to ▒4,999 and ▒5,999 counts. Accuracy is 99.95% of reading.

Unbuffered, non-isolated parallel BCD output is a standard feature of the 204B and is implemented on the main circuit board. It is good for about 1 feet and can be used to interface the 204B to a comparator (Model 872A) or a printer (Model 820A). Additional data and control outputs can be provided by an optional upper board.

  • Parallel BCD output
  • ▒3,999-count display span
  • ▒40 mV to ▒400 V dc ranges
  • 3-wire ratio input
  • 1500 Vp CMV, 120 dB CMR
  • Bright, 0.56 in (14.2 mm) LED display
  • Automatic zero and polarity
  • 115/230 V ac power
  • 1/8 DIN case