8972 DC/RMS Unit

8972 DC/RMS Unit

Instantly measure waveforms and RMS graphs from DC to AC, isolated input Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year) Measurement functions Number of channels: 2, for voltage measurement, DC/RMS selectable Input connectors Isolated BNC...

Description

Instantly measure waveforms and RMS graphs from DC to AC, isolated input

Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)

Measurement functions Number of channels: 2, for voltage measurement, DC/RMS selectable
Input connectors Isolated BNC connector (input impedance 1 MΩ, input capacitance 30 pF),
Max. rated voltage to earth: 300 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 5 mV to 20 V/div, 12 ranges, full scale: 20 div, (AC voltage for possible measurement/display using the memory function: 280 V rms)
Low-pass filter: 5/50/500 Hz, 5 k/100 kHz
Measurement resolution 1/100 of measurement range (using 12-bit A/D conversion and when installed in 8847)
Highest sampling rate 1 MS/s (simultaneous sampling across 2 channels)
Measurement accuracy ±0.5 % of full scale (with filter 5 Hz, zero position accuracy included)
RMS measurement RMS amplitude accuracy: ±1 % of full scale (DC, 30 Hz to 1 kHz), ±3 % of full scale (1 kHz to 100 kHz),
Response time: SLOW 5 s (rise time from 0 to 90% of full scale), MID 800 ms (rise time from 0 to 90% of full scale), FAST 100 ms (rise time from 0 to 90% of full scale), Crest factor: 2
Frequency characteristics DC to 400 kHz -3 dB, with AC coupling: 7 Hz to 400 kHz -3dB
Input coupling AC/DC/GND
Max. allowable input 400 V DC (the maximum voltage that can be applied across input pins without damage)
Dimensions and mass 106 mm (4.17 in) W × 19.8 mm (0.78 in) H × 196.5 mm (7.74 in) D, 250 g (8.8 oz)
Accessories None

Key Features

  • 12-bit A/D resolution
  • From low to high frequency, wide bandwidth RMS rectifier installed
  • (DC, or 30 Hz to 100 kHz)
  • Monitor instantaneous waveforms without the need to pass through the rectifying circuit
  • Isolated input, up to 300 V AC/DC from the earth

 

Application Notes

Manufacturer

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