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883M digital triaxial MEMS accelerometer
883M digital triaxial accelerometer on screw mount
883M digital triaxial accelerometer on magnetic mounting base

Digital triaxial accelerometer and temperature sensor

Model: 883M

Wilcoxon's premier digital accelerometer, the 883M, is an industrial sensor that measures vibration in three axes and temperature. This groundbreaking sensor's Modbus output is compatible with local, plant, cloud, and enterprise data systems. The 883M empowers operators with digital data for condition monitoring, process monitoring, IoT edge processing, and data science activities.

Key features and benefits

  • Simultaneous measurement of vibration in three axes and temperature, aiding in machine fault diagnosis
  • Digital output of vibration spectrum, time waveforms, and 12 frequency bands for each axis
  • High-frequency response up to 5 kHz, delivering accurate and high-resolution measurements
  • IP67-rated design, ensuring durability and reliability in industrial environments
  • Modbus RTU communication protocol via an RS-485 serial bus for stable data transmission

In addition to vibration spectrum and time waveforms, the 883M calculates 12 frequency bands per axis. These frequency bands align with ISO 10816-3 and ISO 20816-3 international standards for machine vibration measurement to simplify monitoring and trending.

Very accurate, high resolution measurements are possible due to the sensor’s mechanical design, which eliminates resonance instead of filtering it out. Damping eliminates excessive processing, which can remove relevant vibration content.

DYNAMIC
Acceleration range±16 g, peak
Resolution0.488 mg
Frequency range2 Hz – 5 kHz (± 3 dB)
COMMUNICATION
InterfaceRS485
ProtocolModbus RTU
Max. baud rate921,600 bps
Recommended baud rate9,600 or 115,200 bps
ENVIRONMENTAL & MECHANICAL
IP ratingIP67
Operating temperature-20 to +70 °C
Storage temperature-20 to +80 °C
ConnectorM8 4-socket female

Frequency bands (X, Y, and Z axes)

  • Acceleration, RMS: 2 Hz - 1 kHz, 10 Hz - 5 kHz
  • Acceleration, peak: 2 Hz - 1 kHz, 10 Hz - 5 kHz
  • Velocity, RMS: 10 Hz - 1 kHz, 10 Hz - 5 kHz
  • Velocity, peak: 10 Hz - 1 kHz, 10 Hz - 5 kHz
  • Displacement, RMS: 2 Hz - 1 kHz, 10 Hz - 1 kHz
  • Displacement, peak: 2 Hz - 1 kHz, 10 Hz - 1 kHz

Other outputs

  • Temperature sensor: –20° to +70° C
  • True peak: Fs @ 13.333 kHz
  • Spectrum: 0 Hz - 5 kHz, 6145 lines
  • Time waveform: 13,333 samples, 13.333 kHz Fs
  • Other features: crest factor, standard deviation

  • Rotating machinery: motors, fans, blowers, pumps, compressors, etc.
  • Transmission systems: gearboxes, couplings, bearings, etc.
  • Manufacturing equipment: CNC machines, conveyor belts, etc.
  • HVAC systems: compressors, cooling towers, cranes, lifting equipment, road rollers, etc.

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