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SV 85 General Purpose Vibration Accelerometer

The SV 85 is a ICP® based TRI-AXIAL ACCELEROMETER designed for general purpose vibration measurements with the SVAN 958A four-channel analyser. The HERMETIC SEALED tri-axial industrial piezoelectric accelerometer is suitable to monitor the vibration in harsh industrial environment. The signal ground is 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 84 Building/Ground Vibration Acelerometer Specification 

300 μg RMS

Performance:

Number of axis 3
Sensitivity (± 5 %) 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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