Bently Nevada 138257-01 Earthing Module Front Panel

Physical Information

• Module Type: Internal Barrier Earthing Module
• Dimensions: 241 mm x 24.4 mm x 103.1 mm (9.50 in. x 0.96 in. x 4.06 in.)
• Weight: 0.201 kg (0.443 lb.)

Proximity and Acceleration Specifications

• Bandwidth: 30 kHz
• Amplitude Accuracy:
  • 3% @ 10 kHz
  • -15/+10% @ 30 kHz
• Phase Accuracy: -11° @ 10 kHz

Channel Parameters

• Channel Parameters:
  • Um (Maximum Voltage): 250 V
  • Uo (Output Voltage): 27.45 V
  • Io (Output Current): 113.24 mA
  • Co (Output Capacitance): 0.086 µF
  • Lo (Output Inductance): 2.77 mH
  • Po (Output Power): 726.96 mW

Circuit Parameters

• Power (PWR):
  • Uo: 26.25 V
  • Rmin: 237.6 Ω
  • Io: 110.48 mA
• Signal (SIG):
  • Uo: 13.65 V
  • Rmin: 4985 Ω
  • Io: 2.74 mA

Velomitor Sensor Specifications

• Amplitude Accuracy: ±1%
• Channel Parameters:
  • Um: 250 V
  • Uo: 26.25 V
  • Io: 88.39 mA
  • Co: 0.097 µF
  • Lo: 4.55 mH
  • Po: 580.02 mW

Temperature Specifications

• Temperature Accuracy: ±1 °C @ +25 °C, ±15 °C over operating temperature
• Phase Accuracy: -11° @ 10 kHz
• Channel Parameters:
  • Um: 250 V
  • Uo: 7.71 V
  • Io: 89.17 mA
  • Co: 9.3 µF
  • Lo: 4.55 mH
  • Po: 132.41 mW

Process Variable Channel Parameters

• Um: 250 V
• Uo: 27.98 V
• Io: 279.34 mA
• Co: 0.083 µF
• Lo: 0.455 mH
• Po: 842.89 mW

Circuit Parameters for Process Variable

• Power (PWR):
  • Uo: 26.78 V
  • Rmin: 297 Ω
  • Io: 90.17 mA
• Signal (SIG):
  • Uo: 9.56 V
  • Rmin: 50.58 Ω
  • Io: 189.01 mA

Ordering Information

• Spares: 138257-01 Earthing Module Front Panel

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