SV 85 Triaxial Accelerometer
The SV 85 triaxial outdoor accelerometer 100 mV/g, connector M12, M6 mounting hole (IEPE) is for vibration measurements with the SVAN 958A vibration meter.
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The Hermetic sealed tri-axial industrial piezoelectric accelerometer is suitable to monitor the vibration in harsh industrial environment. The signal ground isolated from the mounting surface and outer case to prevent ground loops
The sensitivity of SV 85 is sensitivity 10 mV/(m/s2). The measurement range from 0.005 m/s2 RMS to 500 m/s2 Peak in frequency range from 0.5 Hz to 13 000 Hz (Z axis); 0.5 Hz to 10 000 Hz (X, Y axis). The accelerometer weight is 117 grams.
For calibration with a vibration calibrator, the SA 154 adapter is recommended.
Features:
- Piezoelectic accelerometer dedicated to building/ground structure vibration measurements
- Compatible with SVAN 958A and SV 106
- Hermetically sealed
SV 85 Building/Ground Vibration Accelerometer Specification
Performance: | |
| Number of axis | 3 |
| Sensitivity (± 10 %) | 10 mV/(ms-2) ~ 100 mV/g |
| Measurement range | 0.005 m/s2 RMS ÷ 500 m/s2 Peak |
| Frequency response (± 3 db) | 0.5 Hz ÷ 13 000 Hz (Z axis); 0.5 Hz ÷ 10 000 Hz (X, Y axis) |
| Linearity | ± 1 % |
| Residual noise (1 Hz, 24°C) | 300 μg RMS |
| Residual noise (1 kHz, 24°C) | 3000 μg RMS |
| Transverse response sensitivity (20 Hz, 50 m/s2) | < 5 % |
| Resonant frequency | 40 kHz |
Electrical: | |
| Electrical grounding | isolated from machine grounding |
| Isolation (Case to Shield) | > 100 mΩ |
| Dual case isolation | internal Faraday shield (suitable for permanent installation |
| Supply current (IEPE) | 2 mA ÷ 10 mA |
| Supply voltage (IEPE) | 22 V ÷ 28 V |
| Bias voltage (IEPE) | +12 +/- 2 VDC |
| Output impedance (Nominal) | 50 Ω |
| Charge/discharge time constant (start-up time) | < 1 sec. typ. |
Environmental Conditions: | |
| Maximum vibration (shock survival) | 50 000 ms-2 Peak |
| Thermal sensitivity coefficient | 0.1 %/oC F.S. |
| Operating temperature range | from -55 °C to +70 °C |
| Operating temperature range (recommended) | from -10 °C to +50 °C |
| Humidity / Enclosure | Not affected, hermetically sealed |
Physical: | |
| Connector | M12 glass seal, top radially mounted |
| Material housing & connector | Stainless steel |
| Dimensions | 28.5x27x16.5 mm (with connector) |
| Mounting thread | M6 |
| Weight | 84 grams |
Accessories: | |
| SA 207B | Mounting base for building and ground vibration (optional) |
| SC 281 | Cable M12 to Amphenol (SV 212_x), 5 meters (optional) |
| SC 282 | Cable M12 to LEmo 4-pin (SVAN 958A), 5 meters (optional) |
*Continuous product development and innovation are the policy of our company. Therefore, we reserve the right to change the specifications without prior notice.
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