Excellent PLC
Product Overview
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
| Parameter | Specification |
|---|---|
| Model Number | 3500/61 133811-02 |
| Module Type | Temperature Monitor (RTD only) |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Supported Sensors | RTDs: Pt100, Pt120, Pt200, Pt500, Pt1000 (2/3/4-wire) |
| Channels | 4 temperature channels |
| Measurement Range | Dependent on sensor type |
| Accuracy | High-precision measurement, per sensor specs |
| Alarm Capabilities | Independently configurable per channel |
| Communication | Via 3500 rack backplane |
| Isolation Type | Channel-to-channel and channel-to-ground |
| Mounting Type | Rack-mounted (3500 rack) |
| Power Supply | From 3500 rack backplane |
| Operating Temperature | 0°C to 65°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 0% to 95% non-condensing |
| Dimensions | 241.3 x 24.4 x 241.8 mm |
| Weight | 0.91 kg |
| Certifications | CE, CSA, ATEX, IECEx |
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 241.3 x 24.4 x 241.8 mm and weighs approximately 0.91 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®.
Related Models
| Model Number | Description |
|---|---|
| 3500/60 133819-01 | RTD/TC Temperature I/O Module (Isolated) |
| 3500/60 133827-01 | RTD/TC Non-Isolated I/O Module |
| 3500/60 163179-01 | Temperature Monitor (RTD & TC) |
| 3500/61 133811-01 | Earlier version of RTD Temperature Monitor |
| 3500/72 | Process Variable Monitor |
Popular Bently Nevada Modules
| Model Number | Description |
|---|---|
| 3500/05 | System Rack |
| 3500/15 | Power Supply Module |
| 3500/20 | Data Manager I/O Module |
| 3500/25 | Keyphasor Module |
| 3500/32 | Relay Module |
| 3500/40M | Proximitor Monitor |
