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Description：

The Bently Nevada 3500/61 (133811-02) is a 6-channel Temperature Monitor designed for the 3500 Machinery Protection System, supporting RTD and Thermocouple inputs to monitor machinery health. The 133819-02 is the accompanying RTD/TC Non-Isolated I/O Module with Internal Terminations, designed for high-density, cost-effective temperature monitoring.

The 3500/60 & 61 modules provide six channels oftemperature monitoring and accept both ResistanceTemperature Detector (RTD) and Thermocouple (TC)temperature inputs. The modules condition these inputs andcompare them against user-programmable alarm setpoints.The 3500/60 and 3500/61 provide identical functionalityexcept that the 3500/61 provides recorder outputs for each ofits six channels while the 3500/60 does not.

Specification：

Frequently asked questions

Q1: What is the Bently Nevada 3500/61 Temperature Module?

A1: It is a temperature monitoring module used in the 3500 system to measure and process temperature signals from sensors such as RTDs or thermocouples for machinery protection.

Q2: What is the 3500/61 133811-02 input impedance?

A2: The 3500/61 133811-02 input impedance is 10 MΩ for each lead input, ensuring accurate and stable temperature signal measurement.

Q3: What is the 3500/61 temperature resolution?

A3: The 3500/61 module provides a resolution of 1°C or 1°F, depending on the configuration.

Q4: What is the 3500/61 measurement accuracy?

A4: The accuracy is ±3°C at 25°C, suitable for industrial temperature monitoring applications.

Q5: What is the 3500/61 main function of this temperature module?

A5: It continuously monitors temperature signals from machinery and converts them into data for condition monitoring and protection systems.

Product Applications

Power Industry: Used for monitoring bearing temperature, stator winding temperature, and lubricating oil temperature in steam turbine generator sets.

Oil and Gas: Used for motor monitoring in LNG pumps and oil transfer pumps.

Petrochemical Industry: Protects critical large extruders, blowers, and mixers. By monitoring bearing temperature changes, the system can trigger protective shutdowns before mechanical seizure or lubrication failure occurs.

Steel and Mining: Monitors high-load bearing temperatures in large blowers, mills, and conveyor systems.

Water Treatment and General Industries: Used for condition monitoring of fans in large industrial pump houses and cooling towers.