SV 85
The SV 85 is a ICP® based tri-axial accelerometer designed for general purpose vibration measurements with the SVAN 958A four-channel analyser.
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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
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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