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Vibration and Temperature Sensor with Digital Signal Processing

Vibration and temperature sensor with digital signal processing is designed to monitor the vibration and temperature characteristics of industrial equipment.

Application areas

  • chemical industry;
  • mining industry;
  • factories and enterprises of the construction industry;
  • at enterprises for the production of building mixtures and materials;
  • in the food industry;
  • at the enterprises of the agro-industrial complex.

The sensor can be used as part of distributed systems for monitoring the state of machines and mechanisms, as well as an autonomous tool of emergency protection.

Sensor provides

  • measurement and processing of vibration characteristics in three axes,
  • measurement of the temperature of the surface on which it is installed, and the ambient temperature (air).

Digital Data Interface

  • Industrial RS485 interface provides a sensor connection up to 1 km away, even under industrial electromagnetic interference conditions;
  • when using standard converters of interfaces, local networks, wireless networks and the Internet network, removal of the sensor may be unlimited.

Scalable Sensor Application:

  • autonomous (“emergency protection relay”) – can be used to protect equipment without using any system using the control outputs for signaling or automatic shutdown;
  • using the sensor in the minimum configuration system via a local connection to a computer through an RS485 / USB interface converter and bundled software;
  • connection to existing process control systems (SCADA)
  • creation of a distributed, including territorial, (including remote production facilities) system of centralized monitoring of the state of machines and mechanisms.
Parameters and characteristics Value
Type of supply voltage DC
Supply voltage, V 9 – 36 V
Source of power:

– power supply type

– power isolation

– impulse noise protection

 

DC/DC

uninsulated

yes

Power consumption, no more, W 0,25
Sensing element type (SE) MEMS
Number of axes SE 3
Measuring range of linear acceleration SE, g1 ±16
Frequency band2 SE for vibration acceleration measurements, not worse, Hz 5000
Measurement of integral characteristics of vibration in frequency bands2, Hz:

RMS vibration acceleration

RMS vibration velocity

RMS vibration displacement

10 – 3000

10 – 1000

10 – 200

Relative errors in measuring the integral characteristics of vibration (normalized to the actual value), not worse,%

RMS vibration acceleration

RMS vibration velocity

RMS vibration displacement

 

±6.0

±10.0

±15.0

Data processing cycle time, no more, s 1.5
Number of temperature sensors 2 (top, bottom)
Temperature measuring range, oC fromminus 40 toplus85
Communication interfaces:

– type

– maximum transmission rate, bit/s

– galvanic isolation

– built-in terminal resistor

– protection against impulse noise

RS485

115200

no

no

yes

Data transfer protocol Modbus RTU
Overall dimensions, WxHxD, mm 30х30х22
Sensor mount stud, magnet
Connection:

– type

– number of wire cores

– lenght3, m

– wire termination4

flexible shielded cable8

2

no

The degree of protection against dust and moisture, not worse IP67
Ambient temperature, oC from minus 40 to plus 85

Remarks:

1 Free fall acceleration is taken equal tog = 9.81 m/s2.

2The frequency bands are given at -3dB, which corresponds to a conversion factor of 0.707 of the nominal value at a calibration frequency of 80 Hz..

3 This parameter is given for the basic configuration by default, unless otherwise agreed by the Customer and can be specified when ordering.

4 Other termination options may be provided upon agreement with the Customer..

5 Other versions are possible upon agreement with the Customer.

6 It is possible to manufacture a case from another material as agreed with the customer (plastic, aluminum, etc.)

7Shown without cable and depends on housing material.

датчик вибрации и температуры