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330525 Velomitor® XA Piezo-Velocity Sensor

Piezo-Velocity Transducers System

This is an environmentally hardened version of our 330500 Velomitor® piezoelectric transducer, and is designed to meet NEMA 4X and IP65 ratings without the use of a housing. The piezoelectric sensor's mounting stud uses pipe threads and does not require the transducer base to be flush with the machine case. This eliminates special mounting surface preparation required with other velocity transducers, resulting in lower installation costs.

 

 

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Specifications

Parameters are specified from +20 to +30 °C (+68 to +86 °F) and 100 Hz unless otherwise indicated.

Note: Operation outside the specified limits may result in false readings or loss of machine monitoring.

Electrical

Sensitivity 3.94mV/mm/s (100 mV/in/s) ±5%.
Frequency Response 4.5 to 2,000 Hz (270 to 120,000 cpm) ±3.0 dB,
6.0 to 1,000 Hz (360 to 60,000 cpm) ±0.9 dB.
Temperature Sensitivity -14% to +7.5% typical over the operating temperature range.
Velocity Range 1270 mm/s (50 in/s) peak.
Transverse Sensitivity Less than 5% of sensitivity.
Amplitude Linearity ±2% to 152 mm/s (6 in/s) peak.
Mounted Resonant Frequency Greater than 12 kHz.
Broadband Noise Floor (4.5 Hz to 2 kHz) 0.004 mm/s (160 μin/s) rms, nominal.
Maximum cable length 305 metres (1,000 feet) of cable, BN part number 02173007 with no degradation of signal.

Hazardous Area Approvals

Multiple approvals for hazardous areas certified by Canadian Standards Association (CSA/NRTL/C) in North America and by LCIE in Europe.

North America Ex ia IIC T4
AEx ia IIC T4
Class I, Div 1 Groups A, B, C & D
Class II, Groups E, F, and G
Class III
T4 @ -40°C ≤ Ta ≤ 100°C
Ex nL IIC T4
AEx nA IIC T4
Class I, Div 2
Groups A, B, C & D
T4 @ -40°C ≤ Ta ≤ 100°C
Per DWG 167539
European/ATEX Ex II 1 G Ex ia IIC T4
T4 @ -40°C ≤ Ta ≤ 100°C
Ex II 3 G Ex nL IIC T4
T4 @ -40°C ≤ Ta ≤ 100°C
IECEx Ex ia IIC T4
T4 @ -40°C ≤ Ta ≤ 100°C
Ex nL IIC T4
T4 @ -40°C ≤ Ta ≤ 100°C
Brazil BR-Ex ia IIC T4
T4 @ -40°C ≤ Ta ≤ 100°C

Environmental Limits

Operating Temperature Range -55 °C to +121 °C(-67 °F to +250 °F)
Shock Survivability 5000 g peak,maximum
Relative Humidity To 100% non-submerged; case is hermetically-sealed.
Magnetic field Susceptibility <51 μin/s/gauss (50 gauss, 50-60 Hz)

Physical

Weight 156 g(5.5 oz),typical
Diameter 28 mm(1.1 in)
Height 73.1 mm(2.88 in)
Case Material 316L stainless steel
Connector 2 Pin mil-c-26482 hermitically sealed,304 stainless steel shell
Mounting Torque Mounting 45 N-m (33 ft-lb) maximum
Polarity Pin A goes positive with respect to
pin B when the sensor case motion is toward the connector
Cable Bend Radius 1.5-in minimum bend radius.

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Descriptions English
330525 Velomitor XA Piezo-Velocity Sensor Datasheet acrobat-reader
Housings for Proximitor Sensors and Interface Modules acrobat-reader
ORBIT 330525 Velomitor XA Piezo-Velocity Sensor acrobat-reader


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