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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.

Measurement and processing of vibration characteristics along three axes:
— RMS vibration acceleration,
— RMS vibration velocity,
— RMS vibration displacement,
— peak-to-peak,
— peak-factor,
— frequency with maximum amplitude.
indication of the temperature of the surface on which it is installed and the temperature of the environment (air).

Data transmission by Modbus TCP and ProfiBus is possible

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

  • the industrial RS485 interface allows the sensor to be connected at a distance of up to 1 km;
  • when using standard converters of interfaces, local networks, wireless networks and the Internet, the removal of the sensor may not be limited.

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.

The casing material is made of stainless steel.

Связанные товары

 

                             

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Parameters and characteristics Value
Type of supply voltage DC
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 bands3), 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), under normal conditions (23 ± 2 ºC), not worse, %
RMS vibration acceleration
RMS vibration velocity
RMS vibration displacement
 

 

±6.0
±10.0
±15.0

Additional relative error in case of deviation from normal measurement conditions by 1ºC, %, no more 0,02
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
Data processing cycle time, no more, s 1
Number of temperature sensors 2
Temperature measuring range, ºC from minus 40 to plus 80
Overall dimensions, WxHxD, mm 30х22х30
Sensor mount stud, magnet
Connection:
– type
– number of wire cores
– length5), m
– wire termination6)
 

flexible shielded cable
5
2
no

The degree of protection against dust and moisture, not worse

IP68

Operating conditions:
– ambient temperature, ºC
– relative humidity at 30 ºC,%
 

from minus 40 to plus 80
100

Temperature of the environment (air) from minus 40 to plus 80
Casing design7) general purpose industrial version
Casing material Stainless steel
Weight, no more, kg 0.15
Service life, years, not less 10
Mean time between failures at 25 ºC, h, not less 93 000

Remarks:
1) Free fall acceleration is taken equal to g = 9.81 m/s2.
2) The 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) According to ISO 2954-2014.
4) Based on harmonic vibration at 80 Hz calibration frequency.
5) This parameter is given for the basic configuration by default, unless otherwise agreed by the Customer and can be specified when ordering.
6) Other termination options may be provided upon agreement with the Customer.
7) Other versions are possible upon agreement with the Customer.

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