Acceleration pickup / voltage input dual input module

Key Features • Charge input terminal for piezoelectric type acceleration pickup • Acceleration pickup with built-in preamplifier can also be directly input (BNC terminal) • Equipped with constant current source for driving preamplifier • Even measure general voltage signals with high, 16-bit A/D resolution • Equipped with anti-aliasing filter essential for FFT analysis • TEDS compatible, automatic sensitivity setting

Model No. (Order Code)

U8979 For the MR6000 and similar products

Note: Use it by installing it in the Memory HiCorder.  Customer-supplied acceleration pickup sensor is necessary to measure acceleration.


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

Measurement functionsNumber of channels: 2, for acceleration measurement
Input terminalsInput for voltage input / preamplifier built-in: Metal BNC terminal (when voltage input: input resistance 1 MΩ, input capacity 200 pF or less)
Charge input: Miniature connector (# 10-32 UNF)
Max. rated voltage to earth: 30 VAC or 60 VDC (with input isolated from the unit, the maximum voltage that can be applied between input channel and chassis and between input channels without damage) The voltage input terminal GND and the charge input terminal GND in the same channel are common
Adaptive converterCharge output type acceleration detector, Accelerometer with built-in preamplifier
Measurement range Charge input: (Miniature connector) Input for preamplifier built-in: (BNC terminal)1 (m/s^2) to 200 k (m/s^2) f.s., 12 ranges × 6 kinds
Charge input sensitivity: 0.1 to 10 pC / (m/s^2)
Preamplifier Built-in sensor input sensitivity: 0.1 to 10 mV / (m/s^2)
Amplitude accuracy: ± 2% f.s.
Frequency characteristic: 1 (1.5) to 50 kHz -3 dB (charge input)
Low pass filter: 500/5 kHz
Preamplifier power supply: 3.5 mA ± 20%. 22 V ± 5%
Maximum input charge: ± 500 pC (high sensitivity side 6 range), 50.000 pC (low sensitivity side 6 range)
Measurement range Voltage input: (BNC terminal)10 mV to 40 V f.s., 12 ranges, DC amplitude accuracy: ± 0.5% f.s.
Frequency characteristics: DC to 50 kHz -3 dB (when DC-coupled), 1 Hz to 50 kHz -3 dB (when AC-coupled)
Low pass filter: 5/500/5 kHz, Input coupling: AC/DC/GND
Max. allowable voltage: 40 V DC
Measurement resolution1/25000 of measurement range (using 16-bit A/D conversion)
Highest sampling rate200 kS/s
Anti-aliasing filterBuilt-in filter for eliminating aliasing phenomenon (aliasing distortion) in FFT operation (Cutoff frequency automatic setting / OFF)
TEDSIEEE 1451.1.4 class 1 compatible (Reading sensor information, corresponding to automatic setting of sensitivity)
Dimensions and mass106 mm (4.17 in) W × 19.8 mm (0.78 in) H × 196.5 mm (7.74 in) D, 230 g (8.1 oz)

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Use with these products

* Main products are listed below. For more information, please see each product page.


• Max. 32ch Analog to 128ch Logic • Max. 200M-Sampling/s (16ch) • 1G-Word Memory (1ch)

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