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Temperature Monitor 3500/61 133811-02+133819-02 For BN 3500 Series Machinery Monitoring System
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- Overview
- Key Characteristics
- Product data
- Supply capability
- Where 3500/61 133811-02+133819-02 works best
- Why You Choose EVOLO Automation
- Common Questions Answered
- Recommended Products
Overview
The Bently Nevada 3500/61 133811-02+133819-02 is a 6-channel temperature monitoring module combination for the 3500 machinery protection system. It prevents overheating due to friction, lubrication failure, or abnormal load by monitoring temperature changes in critical components in real time. This module combination is primarily used for bearing temperature monitoring and automated over-temperature protection in industrial rotating machinery.
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Key Characteristics
6 Independent Channels: A single module can simultaneously process up to 6 independent temperature input signals, maximizing rack space efficiency.
Mixed Input Configuration: Flexible programming via the 3500 configuration software. Allows simultaneous mixing of RTD and thermocouple (TC) signals on the same board.
Automated Mechanical Protection: Provides hardware-level alert and danger alarm functions. Alarm signals can be directly interlocked to the 3500 relay module for automatic emergency shutdown of the equipment.
Product data
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Product model |
3500/61 133811-02 + 133819-02 |
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Type |
Temperature Monitor |
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Dimensions |
2.5x25x24 cm |
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Weight |
0.8 kg |
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Input Signal |
1 to 6 RTD or thermocouple (TC) transducer signals |
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Input Impedance |
>10 MΩ per lead input |
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Isolation |
250 VDC isolation between channels (for isolated TC I/O modules) |
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Signal Conditioning |
Field-configurable full-scale via 3500 Configuration Software; no calibration required |
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Operating Temperature (Standard I/O) |
-30°C to +65°C |
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Operating Temperature (Internal Barrier I/O) |
0°C to +65°C |
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Rack Space Requirement |
1 full-height front slot |
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RTD Current Source |
925 ±15 µA @ 25°C per transducer |
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Recorder Output |
+4 to +20 mA proportional to full-scale (per channel) |
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Output Voltage Compliance |
0 to +12 VDC across load; 0–600 Ω load resistance |
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Resolution |
0.3662 µA per bit |
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Accuracy (Room Temperature) |
±0.15% |
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Accuracy (Full Temperature Range) |
±0.4% |
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RTD/TC Resolution (except 10Ω Copper RTDs) |
1°C or 1°F |
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Internal Termination Accuracy (Bulkhead Rack) |
±3°C at 25°C |
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Internal Termination Accuracy (Standard Rack) |
±3°C at 25°C |
Supply capability
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Place of Origin: |
USA |
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Brand Name: |
Bently Nevada |
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Model Number: |
3500/61 133811-02+133819-02 |
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Packaging Details: |
Original new Factory Sealed |
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Delivery Time: |
5-7 days |
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Payment Terms: |
T/T |
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Supply Ability: |
In stock |
Where 3500/61 133811-02+133819-02 works best
The Bently Nevada 3500/61 133811-02 + 133819-02 hardware combination works best in industrial plants requiring local analog data logging, where temperature sensors share a common ground potential and are wired directly to the instrument rack.
Application areas of 3500/61 133811-02 + 133819-02
Ethylene Plants: Protect bearings in cracking gas, propylene, and ethylene compressors.
Oil Refineries: Monitor hydroprocessing pumps, FCC compressors, and bearing temperatures.
Coal Gasification Plants: Monitor air separation compressors and high-pressure feedwater pumps.
Hydropower Plants: Monitor thrust bearings, guide bearings, and transformer temperatures.
LNG Plants: Monitor refrigeration compressors and refrigerant pumps.
Why You Choose EVOLO Automation
Rapid Shipment: In-stock items ship within 1-3 days.
Industry Expertise: Over a decade of sales experience.
Extensive Inventory: Wide range of brands and global warehousing.
Quality Assurance: Verified products with a 1-year warranty.
Common Questions Answered
Q: What is the Bently Nevada 3500/61 133811-02 + 133819-02 module combination?
A: This combination is a 6-channel temperature monitor system. The 133811-02 is the front-slot main monitor module responsible for signal conditioning and alarm logic. The 133819-02 is the rear-slot non-isolated RTD/TC internal termination I/O module used for physical field wiring and input interface.
Q: What types of temperature sensor inputs does the 3500/61 133811-02+133819-02 support?
A: 3500/61 133811-02+133819-02 supports both Resistance Temperature Detector (RTD) and Thermocouple (TC) signals.
Q: Can the 6 channels of the 3500/61 133811-02+133819-02 accept different sensors simultaneously?
A: Yes. The non-isolated I/O module allows a mixture of TC and RTD inputs across different channels within the same module.
Q: What types of products do you specialize in?
A: We specialize in industrial automation components, including PLC modules, sensors, servo drives, and discontinued parts from major brands like Siemens, Allen-Bradley, and Bently Nevada.
Q: How do you ensure product quality?
A: Every component undergoes rigorous testing and comes with a 12-month warranty. We partner directly with certified suppliers to guarantee authenticity and reliability.
Q: Can you support urgent orders?
A: Absolutely. We offer expedited global shipping with 24-hour turnaround for critical needs, minimizing downtime for your operations.
Q: What makes you different from other suppliers?
A: We combine deep industry expertise with a client-first approach—delivering not just parts, but trusted solutions backed by 20+ years of experience.
