Bently Nevada 3500/61-04-02 Isolated TC Monitor

Bently Nevada 3500/61-04-02 Isolated Thermocouple Monitor with External Terminations

• Model: Bently Nevada 3500/61-04-02 temperature monitor with recorder outputs.
• I/O Type: TC isolated I/O module with external terminations.
• Approval: ATEX, IECEx, CSA (Class I, Zone 2). Made in U.S.A.

Key Features

• 6 channels for thermocouple or RTD inputs.
• 4 to 20 mA recorder outputs per channel.
• External termination blocks for easier wiring access.
• 500 Vdc system isolation, 250 Vdc channel-to-channel.
• 9 watts power consumption.

Input Ranges

• Type E: -100 to +1000°C | Type J: -18 to +760°C
• Type K: -18 to +1370°C | Type T: -160 to +400°C
• Platinum RTD (0.00385): -200 to +850°C (recommended)

Accuracy

• External termination isolated: ±1°C at 25°C in standard rack.
• Bulkhead rack: ±1°C at 25°C (±1.8°F at 77°F).
• Recorder resolution: 0.3662 µA per bit.

Physical

• Monitor module: 0.91 kg, one front slot.
• I/O module: 0.45 kg, one rear slot.
• Operating temp: -30 to +65°C. Storage: -40 to +85°C.

Shipping

• Weight: 1.36 kg. Carriers: FedEx, UPS, DHL.

FAQ

• Q: What approvals does the 3500/61-04-02 have?
  A: ATEX, IECEx, and CSA (Class I, Zone 2) for global hazardous locations.
• Q: What is external termination?
  A: Wiring connections made outside the rack using terminal blocks for easier access and maintenance.
• Q: What accuracy does this monitor provide?
  A: ±1°C at 25°C in a standard rack with external termination isolated.
• Q: How many channels?
  A: Accepts 1 to 6 thermocouple or RTD signals.
• Q: Type E restriction?
  A: Above 35°C ambient, range reduces to -60 to +1000°C. Do not configure below -60°C.