Digital Vibration Sensor IVD 4

The sensor was designed to be used in vibration monitoring and protection systems at the power stations, oil pumping stations, gas compressor stations, and other industrial objects. The sensor can be installed into explosive areas of the premises and into external installations, of the categories IIA, groups T1-T5, where flammable vapor and gas-air-mixtures could be formed.

The sensor provides measurement of the root-mean-square value of vibration velocity / instantaneous value of vibration acceleration in one spatial direction.

FEATURES

  • Measurement of vibration velocity root-mean-square value and instantaneous value of vibration acceleration in one direction
  • Signal decomposition into frequency components via Fourier fast conversion
  • Data exchange via RS-485 (Modbus RTU protocol)
  • Output of the signal as a unified current at 4-20 mA, in proportion to root-mean-square value of the vibration velocity
  • Output of the signal as a unified current at 0-20 mA, in proportion to instantaneous value of the vibration acceleration
  • Remote configuration of the parameters: network address, communication velocity, warning and failure setpoints; remote calibration of the measured channel

DESIGN

  • Housing material – nickel-coated steel
  • Explosion protection type – explosion-proof shell

ORDERING INFORMATION

To order, use the following part numbers:

IVD-4X, where:
 X – Output signal type:
   C – Digital and current signal (4-20 mA) for vibration velocity
   U – Digital and current signal (0-20 mA) for vibration acceleration

IVD-4XY, where:
 X – Output signal type:
   C – Digital and current signal (4-20 mA) for vibration velocity
   U – Digital and current signal (0-20 mA) for vibration acceleration
 Y – Cable in metal housing, length in meters

TECHNICAL SPECIFICATIONS

Measuring range of the root-mean-square value of vibration velocityFrom 0.5 to 30 mm/s
Measuring range of the instantaneous values of vibration accelerationFrom 0.2 to 45 m/s²
Frequency range in measurement vibration acceleration and mean-square value of vibration velocityFrom 10 to 1000 Hz
Range of the output current signal when measuring mean-square values of vibration velocity (unified)4-20 mA
Range of the output current signal when measuring instantaneous values of vibration acceleration (non-unified)0-20 mA
Range of the allowed relative error when measuring mean-square values of vibration speed in the full range of frequencies and amplitudes± 10 %
Relative coefficient of the lateral sensor conversion, max5%
Level of own noise in the values of the mean-square values of the vibration speed, max0.03 mm/s
Power supply12 … 26 VDC
Operating temperature range-60 … +80 °C
Scan time1 s
Settling time before starting operation, max5 s
Current required, max60 mA
Ingress protectionIP67
Explosion proof marking0ExiallAT5X
Weight (with 3.5 m cable)0.3 kg
Calibration interval3 years
 

– configurator for vibration monitoring sensors

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