Hioki 8972 DC/RMS UNIT

Measure instantaneous and RMS waveforms

High 12-bit A/D resolution

Isolated 2 channel input

Max. rated voltage to ground: 300 V AC, DC (CAT II)

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

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Product Number:

Hioki-8972

Manufacturer:

Hioki

Quantity:

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For MR6000, MR8847A, MR8827, and similar products

Basic specifications

Accuracy guaranteed: 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)

Included accessories

None

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For MR6000, MR8847A, MR8827, and similar products

Basic specifications

Accuracy guaranteed: 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)

Included accessories

None

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