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The M72 Series Signal Conditioners are intended for connection of piezoelectric acceleration,
force or pressure transducers. The input is suitable for sensors with charge output as well as for
IEPE compatible transducers and microphones.
The M72 enables optimal adjustment of the sensor signal to existing measuring equipment or
PC-based data acquisition systems. The Signal Conditioners provide the following functions:
• Adaptation of the sensor signal and sensor supply
• Amplification
• High- and low-pass filtering (for example anti-aliasing filter)
• Integration of the sensor signal, for instance, to measure velocity or displacement.
The instruments all have a robust aluminum housing making them suitable for work in the laboratory
as well as under field conditions
Channels: 1
Inputs: Charge input and IEPE input; single ended; BNC socket at rear side
IEPE sensor supply: 3.5 to 4.5 mA constant
current; compliance voltage 24 V; switchable
Gain: 0.1 / 1 / 10 / 100 / 1000 mV/pC for charge; 0 / 20 / 40 / 60 dB for IEPE / AC voltage
Input of transducer sensitivity: 4 dgits; 0.001 to 9999 mV or pC/mech. unit; by
keys; LED display at front pane
Accuracy: ± 0.5 % of measuring value at > 10 % of full-scale value, in the center of the filter pass band
Measuring range charge (depending on sensor):
Sensor with 0.01 pC/ms-2 : 1 m/s² - 10^7
m/s²; sensor with 100 pC/ms^-2 : 10^-4 m/s² - 1000 m/s²
Measuring range IEPE (depending on sensor)
Sensor with 0.01 mV/ms^-2 : 1 m/s² - 5 ∙10^5
m/s²; sensor with 1000 mV/ms^-2 : 10^-5 m/s² - 5 m/s
Dimensions (width x height x depth): 170x170mm
Power supply: 8 .. 28 VDC, 250 .. 60 mA
