The Bently Nevada 3500/61 133811-02 Temperature Monitor is a high-accuracy monitoring module designed for RTD (Resistance Temperature Detector) temperature measurement in critical rotating machinery applications. It provides reliable real-time temperature monitoring, configurable alarms, and seamless integration into the 3500 Machinery Protection System. The 3500/61 series is optimized for RTD-only inputs, delivering precise measurements for predictive maintenance and machinery protection.

Key Features

• Supports a variety of RTD sensor types (2-wire, 3-wire, 4-wire)

• Four independent RTD input channels

• Configurable alarm setpoints for each channel

• Channel-to-channel and channel-to-ground isolation

• High measurement accuracy for reliable machinery protection

• Hot-swappable for minimal downtime

• Compatible with Bently Nevada 3500 series racks

Technical Specifications

Industry Applications

• Gas and steam turbine temperature monitoring

• Compressor and pump RTD measurement

• Oil and gas production facilities

• Petrochemical and refinery plants

• Power generation equipment monitoring

Frequently Asked Questions (FAQ)

Q1: How many RTD channels does this module have?

It has four independent channels.

Q2: Does it support thermocouples?

No, this module is designed for RTD sensors only.

Q3: Are alarm thresholds configurable per channel?

Yes, each channel has independent alarm setpoints.

Q4: Is the module isolated?

Yes, it provides channel-to-channel and channel-to-ground isolation.

Q5: Is it hot-swappable?

Yes, it can be replaced without shutting down the rack.

Q6: Does it require an external power source?

No, it draws power directly from the 3500 rack backplane.

Q7: What types of RTDs are supported?

Pt100, Pt120, Pt200, Pt500, Pt1000 in 2-wire, 3-wire, and 4-wire configurations.

Q8: What are the module’s dimensions and weight?

It measures 241.3mm x 24.4mm x 99.1 mm and weighs approximately 0.2 kg.

Q9: Is it suitable for hazardous environments?

Yes, it carries CE, CSA, ATEX, and IECEx certifications.

Q10: Can it integrate with System 1®?

Yes, it provides real-time data for machinery monitoring within System 1®.