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Operating Manual
Measurement Specialties, Inc.
32 Journey, Suite 150, Aliso Viejo, CA 92656 USA
Model 4623 Accelerometer
Measurement Specialties, Inc.
Vibration Sensors Design Center
32 Journey, Suite 150
Aliso Viejo, CA 92656 USA
Tel: 949-716-7324
www.meas-spec.com
vibration@meas-spec.com
www.meas-spec.com
1 of 8
TM
TM
+1 949-716-5377
t&m@meas-spec.com
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Summary of Contents for Measurement Computing 4623
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Page 1: Operating Manual
Operating Manual Model 4623 Accelerometer Measurement Specialties, Inc. Vibration Sensors Design Center 32 Journey, Suite 150 Aliso Viejo, CA 92656 USA Tel: 949-716-7324 www.meas-spec.com vibration@meas-spec.com Measurement Specialties, Inc. www.meas-spec.com +1 949-716-5377 32 Journey, Suite 150, Aliso Viejo, CA 92656 USA 1 of 8 t&m@meas-spec.com... - Page 2 Operating Manual Warranty be obtained by calling Customer Service at the regional headquarters with the following Measurement Specialties, Inc. accelerometers information; model number(s), quantity, serial are warranted during a period of one year from number(s), and symptoms of the problem, if date of shipment to original purchaser to be free being returned for service.
- Page 3 The Model 4623 accelerometer incorporates a rugged strain relief for demanding applications and is packaged in an anodized aluminum housing. Installation The model 4623 accelerometer is designed to be screw mounted but can also be adhesively mounted if the installation does not allow for screw mounting. Screw Mounting For screw mounting of accelerometers the following guidelines should be followed: ...
- Page 4 Biaxial Mounting Configurations The model 4623 accelerometer has a unique housing that enables it to be mounted in two different orientations to measure either the normal or transverse acceleration input. By simply rotating the housing 90 degrees, the accelerometer can now be used to measure transverse motion. The two mounting orientations are illustrated below.
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Page 5: Single Ended Output
Operating Manual Wiring The accelerometer is designed to be operated from 7-30Vdc excitation and provide a ±2V full scale output with a 2.5V reference voltage. The output is DC-coupled and can be used in either single-ended or differential mode. Differential mode offers the best performance since common mode errors are minimized. - Page 6 Operating Manual Cable Routing The model 4623 accelerometer incorporates a FEP jacketed cable with an integral shield. The cable assembly should be properly secured at regular intervals during testing. It is recommended to use clamps, wax, or tape to secure the cable to minimize cable motion that can add noise to the output signal.
- Page 7 Operating Manual Noise Floor Specifications The model 4623 accelerometer incorporates a LP filtered output for a high output signal. The noise specifications for this accelerometer are detailed in table below. FULL SCALE ±5% AMPL PASSBAND SPECTRAL DYNAMIC RATING SENSITIVITY PASSBAND...
- Page 8 Operating Manual Frequency Response & Phase Deviation Curves The typical frequency response and phase deviation curves for the model 4623 accelerometer are illustrated below. 2g Range Typical Frequency Response 5g Range 10g Range 25g Range 50g Range 100g-500g Range 1000...
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