TREA331 Series

Low Cost Miniature Industrial Triaxial Accelerometer, Side Exit 4 Pin Mini-MIL Connector, Follows Cartesian Phase Coordinate System, 100 mV/g, ±15%
TREA331
4 Pin Mini-MIL Connector
Connector Pin Polarity
A (Axis Y) (+) Signal/Power
B (Axis X) (+) Signal/Power
C (Axis Z) (+) Signal/Power
D (-) Common/Grid
A drawing showing the dimensions and pin configuration of a CTC TREA331 industrial accelerometer.
Stock Product
TREA431
CB105 Integral Cable
Conductor Polarity
Red (Axis Y) (+) Signal/Power
Green (Axis X) (+) Signal/Power
White (Axis Z) (+) Signal/Power
Black (-) Common/Grid
A drawing showing the dimensions and pin configuration of a CTC TREA331 industrial accelerometer.
Built To Order
TREA531
CB218 Armored Integral Cable
Conductor Polarity
Red (Axis Y) (+) Signal/Power
Green (Axis X) (+) Signal/Power
White (Axis Z) (+) Signal/Power
Black (-) Common/Grid
A drawing showing the dimensions and pin configuration of a CTC TREA331 industrial accelerometer.
Built To Order
Specifications Standard Metric
Part Number TREA331 M/TREA331
Sensitivity (±15%) 100 mV/g
Frequency Response (±3dB) 30-600,000 CPM 0.5 Hz-10kHz
Dynamic Range ± 80g, peak
*Vsource ≥ 22V, 12Vbias
Electrical
Settling Time <2.5 seconds
Voltage Source 18-30 VDC
Constant Current Excitation 2-10 mA
Spectral Noise @ 10 Hz 30 µg/√Hz
Spectral Noise @ 100 Hz 4 µg/√Hz
Spectral Noise @ 1000 Hz 2 µg/√Hz
Output Impedance <100 ohm
Bias Output Voltage 10-14 VDC
Case Isolation >108 ohm
Specifications Standard Metric
Environmental
Operating Temperature Range -65 to 250 °F -54 to 121 °C
Maximum Shock Protection 10,000g peak
Electromagnetic Sensitivity CE
Sealing Welded, Hermetic
Submersible Depth 200 ft. 60 m
SIL Rating SIL 2
Physical
Sensing Element PZT Ceramic
Sensing Structure Shear Mode
Weight 3.9 oz 110 grams
Case Material 316L Stainless Steel
Connector (Non-Integral) 4 Pin Mini-MIL
Resonant Frequency 2,640,000 CPM 44 kHz
Mounting Torque 1 to 2 ft. lbs 1,4 to 2,7 Nm
Mounting Hardware Supplied 1/4-28 Captive Bolt M6x1 Captive Bolt
Calibration Certificate CA10

Typical Frequency Response

A line graph showing the frequency resopnse of a CTC TREA331 condition monitoring sensor.