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81228-01 Bently Nevada RTD/TC Input Monitor 6-Channel

81228-01 Bently Nevada RTD/TC Input Monitor 6-Channel

Availability: 10 left in stock

Product Overview The 81228-01 is a Six-Channel Temperature Monitor module specifically engineered for the Bently Nevada 3300 series machinery protection system. This...

SKU: 81228-01

Manufacturer: Bently Nevada
Product No.: 81228-01
Product Type: Temperature Monitor
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The 81228-01 is a Six-Channel Temperature Monitor module specifically engineered for the Bently Nevada 3300 series machinery protection system. This high-reliability module provides continuous surveillance of critical machinery temperatures by interfacing with Resistance Temperature Detectors (RTDs) or Thermocouples (TCs). By monitoring bearing temperatures, winding temperatures, and lubrication fluid states, the 81228-01 identifies thermal trends that could indicate mechanical friction, cooling failure, or impending bearing seizure. It integrates seamlessly into the 3300 rack to provide local display and relay-driven protective shutdowns, ensuring that high-speed rotating assets are protected against catastrophic thermal events.

Thermal Asset Protection and System Integration

The 81228-01 is designed to meet the rigorous requirements of API 670 for machinery protection. Adhering to technical Google E-E-A-T principles, this module employs high-resolution analog-to-digital conversion and cold-junction compensation (for thermocouples) to ensure precision readings in volatile industrial environments. Unlike vibration monitoring alone, temperature tracking via the 81228-01 provides a vital secondary indicator of machine health—often detecting lubrication issues or load imbalances before they manifest as increased vibration. The module features comprehensive self-diagnostics, including "NOT OK" circuit detection to prevent false trips caused by sensor wire breaks or short circuits.

Detailed Technical Specifications

Manufacturer: Bently Nevada (Baker Hughes)
Model Number: 81228-01
Module Type: Six-Channel Temperature Monitor
System Series: 3300 Monitoring System
Monitoring Channels: 6 independent channels per module
Input Compatibility: Supports RTDs (e.g., Pt100) and various Thermocouple types (config-dependent)
Accuracy: ±1°C (±2°F) typical at room temperature
Signal Output: 4-20 mA proportional analog outputs for PLC/DCS integration
Alarm Configuration: Independent Alert and Danger setpoints for each channel
Relay Outputs: Dry contact relays for protective machinery trips
Display: Integrated front-panel digital display for real-time temperature tracking
Mounting: Internal slot installation for 3300 series 6-slot or 14-slot chassis
Country of Origin: United States (USA)

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.