Hioki 8972 Memory HiCorder DC/RMS Unit

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

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Hioki 8972 Memory HiCorder DC/RMS Unit

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

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

Measurement functionsNumber of channels: 2, for voltage measurement, DC/RMS selectable
Input connectorsIsolated 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 range5 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 resolution1/100 of measurement range (using 12-bit A/D conversion and when installed in 8847)
Highest sampling rate1 MS/s (simultaneous sampling across 2 channels)
Measurement accuracy±0.5 % of full scale (with filter 5 Hz, zero position accuracy included)
RMS measurementRMS 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 characteristicsDC to 400 kHz -3 dB, with AC coupling: 7 Hz to 400 kHz -3dB
Input couplingAC/DC/GND
Max. allowable input400 V DC (the maximum voltage that can be applied across input pins without damage)
Dimensions and mass106 mm (4.17 in) W × 19.8 mm (0.78 in) H × 196.5 mm (7.74 in) D, 250 g (8.8 oz)