Bently Nevada 133819-01 3500/60 RTD/TC Non-Isolated I/O Module Internal Terminations

The Bently Nevada 133819-01 is an RTD/TC Non-Isolated I/O Module designed for use with the 3500/60 & /61 Temperature Monitors. It provides six channels of temperature monitoring and accepts both Resistance Temperature Detector (RTD) and Thermocouple (TC) temperature inputs.

Specifications

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Inputs

• Signal:
  Accepts 1 to 6 RTD or TC transducer signals.
• Input Impedance:
  Greater than 10 MΩ for each lead input.
• Power Consumption:
  3500/60: Nominal consumption of 7 watts.

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Transducers

Thermocouples (TCs)

• Type E: -100°C to +1000°C (-148°F to +1832°F)
• Type J: 0°C to +760°C (+32°F to +1400°F)
• Type K: 0°C to +1370°C (+32°F to +2498°F)
• Type T: -160°C to +400°C (-256°F to +752°F)

Resistance Temperature Detectors (RTDs)

• 100Ω 3-wire & 4-wire Platinum RTD (alpha = 0.00385):
  • -200°C to +850°C (-328°F to +1562°F)
  • With external barriers: -50°C to +850°C (-122°F to +1562°F)
• 100Ω 3-wire & 4-wire Platinum RTD (alpha = 0.00392):
  • -200°C to +700°C (-328°F to +1292°F)
  • With external barriers: -50°C to +850°C (-122°F to +1562°F)
• 120Ω 3-wire & 4-wire Nickel RTD:
  • -80°C to +260°C (-112°F to +500°F)
• 10Ω 3-wire & 4-wire Copper RTD:
  • -100°C to +260°C (-148°F to +500°F)
  • With external barriers: -50°C to +850°C (-122°F to +1562°F)

Note: Platinum RTDs with 0.00385 alpha are the worldwide industrial standard and are recommended for all applications.
Lower OK limit with external barriers is -50°C.

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I/O Modules

• Isolated TC I/O modules:
  250 Vdc of isolation between channels.

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Outputs

• Front Panel LEDs:
  • OK LED: Indicates when the Temperature Monitor is operating properly.
  • TX/RX LED: Indicates when the Temperature Monitor is communicating with other modules in the 3500 rack.
  • Bypass LED: Indicates when the Temperature Monitor is in Bypass Mode.
• RTD Current Source Value:
  • 925 ±15 µA @ 25°C per transducer (single supply for the 4-wire RTD and two supplies for the 3-wire).
• Recorder:
  • +4 to +20 mA: Values are proportional to monitor full-scale. Individual recorder values are provided for each channel. Monitor operation is unaffected by short circuits on recorder outputs.
• Voltage Compliance (current output):
  • 0 to +12 Vdc range across load. Load resistance is 0 to 600 Ω.
• Resolution:
  • 0.3662 µA per bit ±0.15% error at room temperature
  • ±0.4% error over temperature range.

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Signal Conditioning

• Accuracy:
  • Internal Termination (Non-Isolated): ±3°C at 25°C (±5.4°F at 77°F).

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