4 Channel Portable Vibration Meter , Continuous Vibration Monitoring System
HGS923 Vibration Monitoring & Recording System
For continuous monitoring, Vibration transmitter + Recorder, 4 Channel Max, LCD display, Data save locally, Upload by RS485/232, USB, GPRS, Modem, Radio. Printer
Features:
l Overall value Output: 4-20mA or 1-5V, Displacement, Velocity, Bearing condition or Acceleration, True RMS, Equivalent Peak or Equivalent Peak-Peak (factory Optional)
l Optional dynamic waveform Output for FFT analysis at transmitter
l LCD displays of real-time & history curve, numerical values, and bar graph
Specification:
- Accelerometer:
- Shear-mode Ceramic piezoelectric
2. Case: stainless steel, air-tight, electrical isolation to reduce ground disturbance
3. Working temperature: -20~100oC or -20~180oC(high temperature type)
4. Mount: M5 screw
- Transmitter:
- Amplitude Range(To be defined, Default is Velocity 25mm/s) & Frequency Range:
- Displacement(Equivalent Peak-Peak): 3mm, 1.2~1000Hz or 10~1000Hz
- Velocity(True RMS): 25mm/s, 1.2~2000Hz or 10~2000Hz
- Acceleration(Equivalent Peak): 100m/s2, 1.2Hz~10kHz or 10~1000Hz
- Bearing condition(Acceleration envelope): 25 m/s2, 1.2Hz~2kHz demodulated
- Working temperature: -20~80 oC
- Accuracy: 5%(may depend on range)
- Transmitter Size: 98x73x30(mm)
- Power: 20~30V(DC)
6. Output mode:2-line loop power or 3-line(power, output, and ground)
7. 4-20mA Output:
- Maximal transmit distance: 1km
- Protection: open circuit, short circuit.
8. Measurement accuracy (include accelerometer): 3dB(Full frequency Range), 1dB(>2.5Hz), 0.5dB(>4Hz)
- Display, Recorder and Alarming
1. LCD display, 3 inch, 128x64 dots, Sample frequency 1Hz,
2. Alarm: relay contact capacity: 250V 3A, 4-levels thresholds, 4 seconds alarm delay
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