Piezoelectric Vibration Velocity Sensor KSI82VB-20

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5/22/2012

Vibration Sensors & Vibration Measurement Equipment

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Additional information

KSI82VB-20 - Piezoelectric Vibration Velocity Sensor

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Overview

Shear-type accelerometer: Low sensitivity to temperature transients; Low influence of base bending effects
Available with ATEX compliance certificate zone 2
Protection grade IP67
Rugged industrial design
Sturdy stainless steel housing
Ground insulation
RMS of vibration severity as 4..20 mA loop signal output
Suited for direct connection to standard control and measurement equipment
Complete signal conditioning for vibration severity measurement acc. to ISO 10816

Maßskizze: Piezoelectric Vibration Velocity Sensor KSI82VB-20

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Transmission

Measurand

vibration velocity

Output

4..20 mA output

Piezo System

shear design

Parameter Overview

Sensitivity

0.8 mA/mms⁻¹

Measurement Range

0.2 .. 25 mm/s

Linear Frequency Range

10 .. 1000 Hz

Measurement Accuracy Sensor

Transverse Sensitivity

5 %

Residual Noise Wideband

0.005 mm/s

Linear Frequency Range

10 .. 1000 Hz (3 dB)

20 .. 650 Hz (10 %)

Environmental Characteristics

Temperature Transients

0.02000 mms⁻¹/K

Operating Data

Operating Temperature

85 °C

Measurement Limits

Mechanical Data

Weight without Cable

2.3 oz

Case Material

stainless steel

Cabel Connection

Binder 713, axial

Mounting

M8 thread in base

Parameter Overview: Piezoelectric Vibration Velocity Sensor - KSI82VB-20

Additional data concerning the piezo element:

Destruction limit: 4000 g

Additional data concerning the 4..20 mA output:

Nominal value (RMS) at 20 mA: 20 mm/s
Non-linearity (V_min/V_max; 25 °C): 2%
Output ripple: < 3% @ 1.5 .. 1000 Hz
Settling time 1% tolerance: 2s
Loop supply voltage: 12 ..30 V
Max. linear output current: 25 mA
Output current at overload: <32 mA

Additional data concerning the environmental characteristics:

Temperature drift of zero point: 0.65 µA/K

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