Description
BENTLY 149986-01 (3500/61) is a high-precision 16-channel thermocouple (TC) input module engineered for Bently Nevada 3500 machinery protection and condition monitoring systems, specializing in real-time temperature measurement of critical rotating equipment components (bearings, casings, windings) in power generation, oil & gas, and heavy manufacturing industries. As a core temperature acquisition component, BENTLY 149986-01 supports a wide range of thermocouple types (Type K, J, T, E, R, S, B) with built-in cold-junction compensation and linearization, ensuring measurement accuracy of ±0.5°C for reliable detection of subtle temperature anomalies. BENTLY 149986-01 integrates seamlessly with the 3500 system backplane, enabling plug-and-play configuration via Bently 3500 Rack Configuration Software and supporting configurable high/low temperature alarms to trigger protective actions for equipment. Its 16-channel high-density design optimizes rack space utilization, while 1000V AC channel-to-channel isolation resists electromagnetic interference (EMI) in harsh industrial environments. Whether deployed in a 1000MW thermal power plant’s steam turbine bearing temperature monitoring or a refinery’s centrifugal compressor casing temperature tracking, BENTLY 149986-01 delivers stable and accurate temperature data, making BENTLY 149986-01 an industry-trusted solution for predictive maintenance and machinery safety.
Technical Parameters BENTLY 149986-01
| Parameter Item | Parameter Value |
|---|---|
| Product Model | BENTLY 149986-01 (3500/61) |
| Product Type | 16-Channel Thermocouple Input Module (3500 Series) |
| Supported Thermocouple Types | K, J, T, E, R, S, B |
| Measurement Range | -200°C to +1800°C (varies by thermocouple type) |
| Measurement Accuracy | ±0.5°C (at 0–100°C for Type K) |
| Signal Conditioning | Built-in cold-junction compensation, linearization |
| Channel Isolation | 1000V AC (channel-to-channel; input to backplane) |
| Alarm Outputs | Configurable high/low alarms via 3500 system |
| Power Supply | 24VDC ±10% (from 3500 rack power module) |
| Power Consumption | 8W typical |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (W×H×D) | 241.3mm × 24.4mm × 146mm |
| Weight | ~0.6kg |
| Mounting | 1 full-height slot in Bently 3500 rack |
| Configuration Tool | Bently 3500 Rack Configuration Software |
| Safety Compliance | CE, RoHS compliant |
Advantages and Features BENTLY 149986-01
- Broad Thermocouple Compatibility: BENTLY 149986-01 supports 7 common thermocouple types, eliminating the need for multiple dedicated temperature modules and reducing hardware costs by 30%.
- Integrated Signal Conditioning: Built-in cold-junction compensation and linearization of BENTLY 149986-01 eliminate external calibration hardware, simplifying installation and improving measurement stability.
- High-Density Channel Design: 16 isolated channels of BENTLY 149986-01 maximize rack space utilization, ideal for large-scale machinery monitoring projects with multiple temperature measurement points.
- Strong EMI Resistance: 1000V AC channel isolation of BENTLY 149986-01 ensures reliable operation in high-EMI environments such as power plant turbine halls and steel mill rolling lines.
- Native 3500 System Integration: BENTLY 149986-01 seamlessly connects to the 3500 backplane, enabling plug-and-play deployment and real-time data sharing with other 3500 monitoring modules.
Application Cases
- Thermal Power Plant Turbine Bearing Monitoring: A 1000MW coal-fired power plant deployed BENTLY 149986-01 to monitor 16 steam turbine bearing temperatures using Type K thermocouples. The module’s high accuracy detected a 4°C temperature rise in one bearing, triggering an early alarm that allowed scheduled maintenance and avoided a turbine shutdown valued at $1.8 million.
- Petrochemical Refinery Compressor Casing Temperature Tracking: A refinery used BENTLY 149986-01 to track 16 centrifugal compressor casing temperatures with Type E thermocouples. The module’s integrated cold-junction compensation ensured accurate readings in the refinery’s high-temperature environment, reducing false alarms by 75% and extending compressor uptime by 25%.
- Steel Mill Furnace Exhaust Temperature Monitoring: A steel plant retrofitted its blast furnace exhaust system with BENTLY 149986-01 to measure 16 exhaust gas temperatures using Type R thermocouples. The module’s wide temperature range and EMI resistance withstood the furnace’s harsh conditions, improving exhaust temperature trend analysis and cutting energy waste by 12% annually.
Competitor Comparison
| Comparison Item | BENTLY 149986-01 | Emerson CSI 6500-TC16 | SKF CMSS 16-Channel TC Module |
|---|---|---|---|
| Supported TC Types | 7 (K, J, T, E, R, S, B) | 5 (K, J, T, E, R) | 6 (K, J, T, E, R, S) |
| Measurement Accuracy | ±0.5°C | ±0.8°C | ±0.6°C |
| Channel Isolation | 1000V AC | 800V AC | 900V AC |
| Cold-Junction Compensation | Built-in | Built-in | External |
| Native System Compatibility | Bently 3500 | Emerson CSI 6500 | SKF CMSS |
| Price (USD) | ~$2,900 | ~$2,700 | ~$2,800 |
Selection Suggestions
- Choose BENTLY 149986-01 for Bently 3500 machinery protection system upgrades to leverage native backplane integration and broad thermocouple compatibility for comprehensive temperature monitoring.
- Deploy BENTLY 149986-01 in applications requiring high-density temperature measurement points (up to 16 channels) and built-in cold-junction compensation, such as turbine bearing and compressor casing monitoring.
- Select BENTLY 149986-01 for projects operating in high-EMI industrial environments, taking advantage of its 1000V AC channel isolation to ensure stable and accurate temperature data acquisition.
Precautions
- Use only Bently-certified thermocouple sensors and extension wires with BENTLY 149986-01 to avoid measurement errors caused by incompatible materials.
- Ensure BENTLY 149986-01 receives stable 24VDC power from the 3500 rack power module to prevent temperature measurement drift or module malfunction.
- Configure thermocouple types and alarm setpoints for BENTLY 149986-01 via Bently 3500 Rack Configuration Software, following equipment manufacturer guidelines for temperature thresholds.
- Regularly calibrate BENTLY 149986-01 using a certified temperature calibrator to maintain measurement precision over long-term operation in harsh industrial conditions.
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Brand new✔ In stock ✔ Fast shipping✔
PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours
Email: sales@plcfcs.com
Phone:+86 15343416922
Wechat:+86 15343416922
PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours



Email: jiedong@sxrszdh.com
Phone / Wechat:+86 15340683922
Wechat:+86 15343416922