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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 enables data sharing with local and plant data systems, including PLCs, DCSs, SCADAs, and HMI displays. 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 calculated vibration metrics for each axis
  • Modbus RTU communication protocol via an RS-485 serial bus for stable data transmission
  • High-frequency response up to 5 kHz, delivering accurate and high-resolution measurements
  • IP67-rated design, ensuring durability and reliability in industrial environments

In addition to vibration spectrum and time waveforms, the 883M calculates 12 vibration metrics per axis. These vibration metrics are based on frequency bands that 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

Calculated vibration metrics (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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