108.01 : Uniaxial Piezo Top

General  Characteristics (metric): Hex 0.7 inch, Height = 1.6 inch,  weight=3.0 Oz, 120°C.

Routing purpose, 10 kHz Bandwidth. The epoxy sealed piezoelectric accelerometer model 108 is design to monitor the vibration in harsh industrial environment. It uses the industry standard ®ICP 2-wire voltage transmission technique with a 4 mA standard constant current supply. Signal ground is isolated from the mounting surface to prevent ground loops. Annular shear mode design will prevent from thermal transient and from spurious signal from high transverse vibrations. Low noise electronic and a temperature compensated design will give you accurate result over the complete temperature range. Large choice of frequency range will help to fit almost every customer requirements. Low frequency accelerometers (A=9) incorporate a low-pass filter within the conditioning electronic. This filter attenuates the sensor mechanical resonance and the associated distortion and overload.

Typical applications: Ideal for walk-around vibrations measurement in the rugged environments of industrial machinery monitoring. High frequency version monitor the vibration on roller bearing, pumps cavitation, .... Medium frequency version monitor overall vibration on pumps, motors, fans,... Low frequency model is used in the petrochemical, machine tool, and paper industries for monitoring of slow speed agitators, cooling towers,... Model 108 sensors are not recommended for permanent monitoring because they have external faraday shield subject to loss of isolation.
For such applications, Models 101, 103, 104, 105, 107 with internal faraday shield are prefered.

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