Vibration Transducers (Accelerometer & Velocity) - SENSONICS

Catalogue Vibration Transducers (Accelerometer & Velocity)

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PZA Shock Response Accelerometer

Suitable for roller bearing monitoring, lOmV/g output, +/25°C operation and resonant frequency of 33KHz.

The PZA4 shock response accelerometer is designed for the condition monitoring of machine bearings containing roller elements. The accelerometer utilises the natural resonance response of a piezoelectric circuit to oscillate at a defined frequency in response to a mechanical shock wave. As well as roller bearings, the device has applications for the detection of mechanical looseness in machinery and other non-cyclic vibration events.

The accelerometer should be used in conjunction with the appropriate signal processing unit which should perform the appropriate demodulation of the shock waveform to determine a qualitative figure directly relating to bearing condition. Sensonics can offer such solutions through both the Aegis and SpyderNet range of monitoring products, please refer to the appropriate brochure.

Application

• Roller bearings

• Slow rotating plant

• Mechanical looseness

• Reciprocating compressors

TNC CONNECTOR 7/16"-28UN£F-2A

Interface Options

• Integral PTFE

• TNC

• M8 Conical Mount

Specification

• Output Sensitivity: I OmV/g

• Accuracy : ±5%

• Operating Voltage : 18 to 28 V dc

• Operating Current : Constant current source 2-1 OmA

• Dynamic Range : 70g peak at 24 V dc input

• Amplitude Linearity : ±1%

• Frequency Range : 2.5Hz to 11 KHz

• Resonant Frequency : 33 kHz

• Temperature Range: -30°C - 125°C

• Temperature Sensitivity <S% up to I25°C

• Shock Limits : 2000g

• Protection (BS.EN60529) : IP67

• Mass: 115 gms

(Mox MOUNTING TORQUE 10Nm)

Ordering Information - Please see pages 16/17 for details of cable assemblies and mounting studs

Model No. Config Connection Cable Length Sensitivity Mounting

PZA4 - 2 (2-wire ICP) 6C (Cable unarmoured) Specify in metres I (lOmV/g) I (%" UNF)

6D (Cable armoured) e.g. 05 (5m) 2 (M8)

8E (Integral TNC Conn) max 25m

e.g. PZA4-2-6D-05-12:- PZA4 model, 2-wire, 5m armoured cable, IOmV/g, M8 conical base