3500/61 Bently Nevada temperature monitor module

• Brand
  Bently Nevada
• Model
  3500/61
• Product Name
  6-Channel Temperature Monitor Module
• Country of Origin
  United States
• HS Code
  8537101190
• Dimensions
  241.3 mm×24.4 mm×241.8 mm
• Weight
  0.91 kg
• Operating Temperature
  -30℃ ~ +65℃
• Storage Temperature
  -40℃ ~ +85℃
• Power Supply
  24VDC
• Warranty
  12 month
• Product Status
  New and original

Bently Nevada 3500/61 Product Introduction & Technical Parameters

Technical Parameters

Input

1. Channel Quantity: 6 independent configurable input channels

2. Sensor Compatibility: Supports 2-wire/3-wire/4-wire Pt100 RTDs; Type E/J/K/T thermocouples

3. Measuring Range: RTD: -200℃ ~ +850℃; Thermocouple: -160℃ ~ +1370℃

4. Input Impedance: ≥10 MΩ per channel

5. Measurement Accuracy: ±0.13% full scale; Resolution: 1℃/℉ per channel

6. Sampling Rate: High-speed real-time sampling, 24-bit ADC conversion

Output

1. Analog Recorder Output: 4-20mA per channel, 0-600Ω load capacity

2. Relay Alarm Output: Programmable Alert/Danger dual-threshold relay outputs (5A@250VAC/30VDC)

3. System Communication: 3500 proprietary rack bus, compatible with Modbus RTU and upper monitoring systems

4. Status Indication: LED indicators for power, running, fault and channel alarm status

5. Data Recording: Supports event log and temperature trend data upload for predictive maintenance

Core Functions

1. Real-time continuous temperature measurement of bearings, motors, turbines and key mechanical components

2. Over-temperature early warning and safety protection to trigger alarms or equipment interlock shutdown

3. Analog recorder signal output for on-site data recording and trend analysis

4. Real-time data transmission to DCS/SCADA and predictive maintenance systems

5. Fault recording and abnormal event storage for post-failure analysis and troubleshooting

6. Independent channel configuration for flexible adaptation to multi-point temperature monitoring scenarios

Product Advantages

1. Complies with API 670 standard, certified for high-reliability machinery protection in critical industries

2. High-precision temperature measurement, wide sensor compatibility and strong environmental adaptability

3. Perfect matching with Bently Nevada 3500 series monitoring system, seamless plug-and-play integration

4. Hot-swap maintenance design reduces system downtime and improves operation efficiency

5. Mature industrial-proven technology with long service life and low failure rate

6. Rich alarm and communication functions, meeting comprehensive monitoring and remote management requirements

Application Cases

1. Power Industry: Temperature protection of steam/gas turbine bearings, generator windings and auxiliary pumps in thermal power plants

2. Oil & Gas Industry: Bearing temperature monitoring of compressors, pumps and agitators in refineries and natural gas stations

3. Chemical Industry: Monitoring of reaction kettle bearings, blower and gearbox temperature in chemical production lines

4. Metallurgy & Cement: Condition monitoring of large fans, rolling mills and centrifugal equipment

5. Water Treatment: Temperature protection of large water pumps and aeration machinery in sewage treatment plants

Product Characteristics

1. 6-channel multi-sensor compatible design, supporting mixed RTD and thermocouple signal access

2. Dual-level (Alert & Danger) programmable alarm thresholds with delay function to avoid false alarms

3. Built-in complete hardware self-diagnosis for sensor faults, open/short circuit and communication abnormalities

4. Industrial-grade electromagnetic compatibility, compliant with IEC anti-interference standards for harsh environments

5. Hot-swappable modular structure, enabling maintenance without system shutdown

6. Compact rack-mount design, easy installation, wiring and configuration

• 
  3500/61 datasheet
  Download