Machinery Protection Thermocouple Solution – Bently Nevada 4454-132 | 3500 Series
Where This Product Is Used
The Bently Nevada 4454-132 Thermocouple Input Module is engineered for continuous temperature monitoring in mission-critical rotating machinery environments. Engineers and reliability teams deploy this module across a wide range of industrial applications:
- Oil & Gas: Compressor bearing temperature monitoring on upstream and midstream platforms, LNG processing trains, and pipeline booster stations.
- Power Generation: Steam turbine exhaust temperature surveillance, gas turbine hot-section monitoring, and generator bearing protection.
- Petrochemical & Refining: Reactor feed pump bearing temperature, high-speed centrifugal compressor protection, and heat exchanger monitoring.
- Pulp & Paper / Heavy Industry: Large motor bearing temperature trending and fan/blower protection systems.
- Marine & Offshore: Propulsion machinery protection and auxiliary equipment temperature surveillance.
Wherever the 3500 Machinery Protection System is deployed, the 4454-132 provides the thermocouple input channel required to complete a fully integrated, API 670-compliant protection loop.
Technical Specifications
- Part Number: 4454-132
- Series: Bently Nevada 3500
- Module Type: Thermocouple Input Module
- Thermocouple Types Supported: J, K, T, E, R, S, B (IEC/ANSI standard)
- Input Channels: 4 differential thermocouple inputs per module
- Temperature Range: Per thermocouple type; full-range linearization performed onboard
- Cold Junction Compensation: Automatic internal CJC
- Resolution: 0.1 °C / 0.1 °F
- Accuracy: ±1 °C typical (thermocouple-type dependent)
- Communication: Rack backplane bus to 3500 rack controller
- Power Supply: Supplied via 3500 rack backplane (no external wiring required)
- Weight: 260 g
- Form Factor: Single-slot 3500 rack module
- Operating Temperature: 0 °C to +65 °C
- Humidity: 5% to 95% RH, non-condensing
Why Engineers Specify This Model
- Native 3500 Integration: Plug-and-play compatibility with the Bently Nevada 3500 rack — no signal conditioning or external converters required.
- Multi-Type Thermocouple Support: A single module handles J, K, T, E, R, S, and B types, reducing spare-parts inventory complexity.
- Automatic Cold Junction Compensation: Eliminates manual offset errors common in field-wired thermocouple installations.
- High-Resolution Linearization: Onboard linearization ensures accurate readings across the full thermocouple range without external software correction.
- Proven Reliability: Designed to the same reliability standards as the broader 3500 platform, trusted in API 670 machinery protection applications worldwide.
- Compact Single-Slot Design: Maximizes rack density in space-constrained control rooms and marshalling cabinets.
Complete System Bill of Materials
The 4454-132 operates as part of the Bently Nevada 3500 Machinery Protection System. A typical thermocouple monitoring loop includes:
- 3500/05 Rack Power Supply Module
- 3500/20 Rack Interface Module (RIM)
- 3500/22M Transient Data Interface (TDI) — optional
- 4454-132 Thermocouple Input Module (this item)
- 3500/92 Communication Gateway Module (Modbus / Ethernet)
- Type K or Type J thermocouple sensors (field-supplied)
- 3500 Rack Chassis (4-slot, 8-slot, or 14-slot)
Compliance & Industry Standards
- API 670: Machinery Protection Systems — 5th Edition compliant architecture
- IEC 60584: Thermocouple type definitions and tolerances
- ANSI MC96.1: Temperature Measurement Thermocouples
- CE Marking: EMC Directive 2014/30/EU
- RoHS: Compliant
- ISO 9001: Manufactured under Baker Hughes / Bently Nevada quality management system
Quality Assurance & Sourcing
Konmask.com specializes in verified industrial automation components for B2B buyers. Every Bently Nevada 4454-132 unit we supply undergoes the following process:
- Visual Inspection: Connector integrity, PCB condition, and label verification.
- Functional Verification: Bench-tested against 3500 rack backplane communication protocol where applicable.
- Traceability: Serial number and firmware revision documented prior to shipment.
- Packaging: ESD-safe anti-static bag, foam-lined carton, and moisture barrier for international transit.
We source from decommissioned plant upgrades, authorized distributors, and verified surplus channels — never counterfeit or refurbished-without-disclosure units.
How to Source This Part
Ready to procure the Bently Nevada 4454-132? Here’s how to work with us:
- Add to Cart: For immediate purchase with standard lead time.
- Request a Quote (RFQ): For volume orders (>3 units), contact support@konmask.com for tiered pricing.
- Lead Time: In-stock units ship within 1–3 business days. Out-of-stock units: 7–21 business days subject to sourcing.
- Export & Customs: We handle export documentation (commercial invoice, packing list, COO) for international buyers. HS Code: 9032.89.
- Payment: T/T (wire transfer), PayPal, and major credit cards accepted.
Application-Specific FAQ
Q: Is the 4454-132 compatible with all 3500 rack chassis sizes?
A: Yes. The module occupies a single slot and is compatible with 4-slot, 8-slot, and 14-slot 3500 rack chassis.
Q: Can this module monitor both bearing temperature and process temperature simultaneously?
A: Yes. Each of the 4 input channels can be independently configured for different thermocouple types and alarm setpoints via the 3500 Rack Configuration Software.
Q: What is the difference between the 4454-132 and other 4454-series variants?
A: The -132 suffix designates the standard international version with IEC thermocouple linearization. Other suffixes may indicate ATEX/IECEx certification or region-specific firmware. Contact us to confirm the correct variant for your application.
Q: Do you provide a warranty?
A: Yes. All units carry a 90-day functional warranty from date of shipment. Extended warranty options are available upon request.
Q: Can I return a module if it doesn’t fit my rack revision?
A: Yes, within 30 days of receipt, provided the unit is unused and in original packaging. Please confirm rack compatibility before ordering.
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