3140-050
3140-050 Datasheet
Model 3140
| Part | Datasheet |
|---|---|
3140-050 |
3140-050 (pdf) |
| Related Parts | Information |
|---|---|
3140-010 |
3140-010 |
3140-002 |
3140-002 |
3140-005 |
3140-005 |
3140-020 |
3140-020 |
3140-100 |
3140-100 |
| PDF Datasheet Preview |
|---|
| Model 3140 Signal Conditioned Accelerometer to VDC Output Intergral Temperature Compensation High Performance Vibration/Shock Testing Geophysical Monitoring Modal Analysis Structural Analysis Elevator Ride Control Bolt Mount Non-linearity typical Temperature Performance DC Response Built-in Damping Built-in Overrange Stops Low Power STANDARD RANGES Range ±10 ±20 ±50 ±100 The Model 3140 is a high performance accelerometer intended for instrumentation applications. The 3140 provides a fully signal conditioned output with performance similar to traditional instrumentation accelerometers but at a much lower cost. The accelerometer consists of a silicon micro machined accelerometer with signal conditioning electronics in a lightweight Valox housing that can be easily attached to a mounting surface. The sensing element is a micro machined silicon mass suspended by multiple beams from a silicon frame. Piezoresistors located in the beams change their resistance as the motion of the suspended mass changes the strain in the beams. Silicon caps on the top and bottom of the device are added to provide overrange stops. This design provides for a very low profile, high shock resistance, durability and built-in damping over a wide usable bandwidth. A lower cost version of the 3140 is available for applications that do not require the temperature performance offered with the Please refer to the Model 3145 for additional information. DIMENSIONS 2-32 Accelerometer Amplified Signal Conditioned Accelerometer Model 3140 PERFORMANCE SPECIFICATIONS Supply Current 12 VDC Ambient Temperature 25°C Unless otherwise specified PARAMETERS Frequency Response [MIN] See notes 2, 8 Mounted Resonant Frequency [MIN] See note 2 Sensitivity Nominal ±2G 0-200 450 1 V/g ±5G 0-300 600 400mV/g RANGE ±10G 0-400 950 200mV/g ±20G 0-500 1500 100mV/g ±50G 0-600 2750 40mV/g ±100G 0-1500 3000 20mV/g PARAMETERS Full Scale Output Span Zero Acceleration Output Accuracy Transverse Sensitivity Temperature Error - Span -20°C to +85°C Temperature Error - Zero -20°C to +85°C Supply Voltage Supply Current Reference Voltage Output Resistance Output Noise Output Load Resistance Acceleration Limits Operating Temperature Storage Temperature Weight Including Cable 5 -20°C to +85°C -40°C to +125°C 13 Grams Notes The output voltage increases from the Zero Acceleration Output for positive acceleration and decreases for negative acceleration. The sensitivity is then 2V/Range. For example, the ±5g range has a sensitivity of 2V/5g or 400mV/g. Actual test data for this parameter is included on the calibration sheet provided with each sensor. Includes repeatability, hysteresis, and linearity best fit straight line . Compensated temperature range -20°C to +85°C in reference to 25°C. Pin 2 provides an optional 2.5V reference which may be used, if desired, to provide a stable zero-g reference. Thus, the full scale differential output between Pin 2 and Pin 4 would be ± 2 VDC. If a single ended ORDERING INFORMATION 3140 - 002 Acceleration Range Model CONNECTIONS Accelerometer Amplified Feel free to contact customer service with any questions at Toll free 1 800 745-8008 Phone 757 766-1500 Fax 757 766-4297 June 2001 2-33 |
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