Hermetic sensors used for protection against pump cavitation, recirculation, and resonance

There are dozens of different types of pumps and a seemingly endless list of applications but industrial accelerometers can often help the maintenance professional to diagnose sometimes tricky issues with pump operation. Using vibration monitoring in your predictive maintenance program can help identify pump problems such as cavitation, recirculation and resonance.

A good rule of thumb is to select an accelerometer that has a linear high frequency response capability to three times the pump's vane pass frequency (vane pass frequency = # of vanes x RPM). Most general purpose accelerometers will have more than adequate high frequency response and thus the next key is selecting a transducer that will survive the application. For this purpose IMI® has a wide range of submersible accelerometers as well as sensors and cabling that will survive in corrosive environments.

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Model Number

Model:682C03

  • Output Signal: (DC Vibration)4 to 20 mA
  • Output Signal: (DC Vibration)4 to 20 mA
  • Frequency Range: (Acceleration)(-3dB)180 to 600000 cpm
  • Frequency Range: (Acceleration)(-3dB)3 to 10k Hz
  • DC Power: 23 to 25 VDC
  • DC Power: 23 to 25 VDC
$445,00 USD
(Pricing valid in US only)
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Model Number

Model:640B01

  • Measurement Range: 0.0 to 1 in/sec pk
  • Measurement Range: 0.0 to 25.4 mm/s pk
  • Output: 4-20 mA
  • Output: 4-20 mA
  • Frequency Range: (±10%)180 to 60000 cpm
  • Frequency Range: (±10%)3 to 1000 Hz
  • Sensing Element: Ceramic
  • Sensing Element: Ceramic
  • Weight: 4.7 oz
  • Weight: 131 gm
$219,00 USD
(Pricing valid in US only)
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Model Number

Model:603C91

  • Sensitivity: (±10%)100 mV/g
  • Sensitivity: (±10%)10.2 mV/(m/s²)
  • Frequency Range: (±3dB)30 to 600000 cpm
  • Frequency Range: (±3dB)0.5 to 10000 Hz
  • Sensing Element: Ceramic
  • Sensing Element: Ceramic
  • Measurement Range: ±50 g
  • Measurement Range: ±490 m/s²
  • Weight: 1.95 oz
  • Weight: 55 gm
$115,50 USD
(Pricing valid in US only)
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Model Number

Model:607A61

  • Sensitivity: (±15%)100 mV/g
  • Sensitivity: (±15%)10.2 mV/(m/s²)
  • Frequency Range: (±3dB)30 to 600000 cpm
  • Frequency Range: (±3dB)0.5 to 10000 Hz
  • Sensing Element: Ceramic
  • Sensing Element: Ceramic
  • Measurement Range: ±50 g
  • Measurement Range: ±490 m/s²
  • Weight: (without cable)1.1 oz
  • Weight: (without cable)31 gm
$313,00 USD
(Pricing valid in US only)
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Model Number

Model:608A11

  • Sensitivity: (±15%)100 mV/g
  • Sensitivity: (±15%)10.2 mV/(m/s²)
  • Frequency Range: (±3dB)30 to 600000 cpm
  • Frequency Range: (±3dB)0.5 to 10000 Hz
  • Sensing Element: Ceramic
  • Sensing Element: Ceramic
  • Measurement Range: ±50 g
  • Measurement Range: ±490 m/s²
  • Weight: (with cable)3.5 oz
  • Weight: (with cable)99.3 gm
$115,00 USD
(Pricing valid in US only)
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