Ref Tek - Model 131B-01/1 & 131B-01/3 - Strong Motion Accelerometer
From Land Geophysical Equipment - Seismic
The 131B-01/3 housing is anodized machined alumini...
The 131B-01/3 housing is anodized machined aluminium. Mounting is accomplished with a single bolt and 3 point levelling screws. The case is sealed to meet IP67 standards for watertight integrity.
Features:
- State-of-the-Art MEMS Accelerometer
- Low Noise
- Sensitivity and offset stable
- Available in uniaxial, triaxial, and borehole models
- Suitable for building, bridge and dam monitoring
- Compatible with the 130-MC 12 or 18 channel recorder
Technical Specifications:
Full-scale Range: ±4g
Full-scale Output: ±10V; 20VPP
Type: Force balance accelerometer
Self Noise: <2ng2/Hz
Linearity: ±1% of full scale
Sensitivity: ±2.5 V/g
Frequency Response: DC ->500Hz
Damping: 0.6-0.7
Output Impedance -100Q
Self-test Response: Logic level input will produce consistent 0.6g positive output
Lightning Protection: Built-in surge protection
Supply Voltage 10-16VDC
Supply Current: 60mA typical
Triaxial:
Size: 10.2cm x 10.2cm
High: 10.4cm
Weight: 2 kg
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