Industrial Temperature Sensing Solution – GE BAI21 369B1867G5002 | BAI Series RTD
Where This Product Is Used
The GE BAI21 369B1867G5002 Resistance Temperature Detector is engineered for mission-critical temperature measurement in demanding industrial environments. Typical deployment scenarios include:
- Power Generation Plants – Monitoring stator winding and bearing temperatures in turbine-generator sets to prevent thermal overload and unplanned outages.
- Gas Turbine Control Systems – Integrated with GE Mark V / Mark VI / Mark VIe turbine control panels for real-time exhaust and inlet temperature feedback.
- Combined Cycle Power Plants (CCPP) – Used in heat recovery steam generators (HRSG) for precise steam temperature regulation.
- Industrial Process Control – Deployed in chemical, petrochemical, and refining facilities where stable, repeatable temperature signals are required for DCS/PLC loops.
- Compressor Stations – Monitoring motor winding temperatures in gas compression applications to ensure safe continuous operation.
Technical Specifications
- Manufacturer: GE (General Electric)
- Part Number / SKU: BAI21 369B1867G5002
- Series: BAI Series
- Type: Resistance Temperature Detector (RTD)
- Sensing Element: Platinum RTD (PT100 / PT1000, confirm with GE datasheet)
- Output Signal: Resistance (Ω) – linear with temperature
- Application: Stator winding / bearing temperature monitoring
- Compatibility: GE Mark V, Mark VI, Mark VIe turbine control systems; GE EX2100 excitation systems
- Weight: Approx. 1,000 g
- Condition: New / Surplus / Refurbished (specify at order)
Why Engineers Specify This Model
- OEM Precision: Manufactured to GE’s exact tolerances, ensuring drop-in compatibility with GE turbine control architectures without signal recalibration.
- High Stability: Platinum sensing element delivers long-term drift resistance, reducing maintenance intervals in continuous-duty applications.
- Proven Field Record: The BAI21 series has accumulated thousands of operating hours across global power generation fleets.
- Direct Replacement: Eliminates the need for third-party adapters or signal conditioners when replacing failed OEM sensors.
- Regulatory Traceability: Supplied with documentation supporting IEC 60751 / ASTM E1137 compliance requirements.
Complete System Bill of Materials
For a complete GE turbine temperature monitoring loop, engineers typically specify the following alongside the BAI21 369B1867G5002:
- GE Mark VIe TREG / TTUR I/O module (RTD input card)
- GE IS200 series terminal board (e.g., IS200TRTDH1C)
- Shielded 3-wire or 4-wire RTD extension cable (IEC 60584 compliant)
- GE Toolbox / ControlST configuration software
- Terminal junction box with IP65 rating for field installation
Compliance & Industry Standards
- IEC 60751 – Industrial Platinum Resistance Thermometers
- ASTM E1137 – Standard Specification for Industrial Platinum RTDs
- IEEE C57.12 – General Requirements for Liquid-Immersed Distribution Transformers (where applicable)
- NERC CIP – Compatible with power utility cybersecurity and equipment traceability requirements
- RoHS / CE – Confirm with GE certificate of conformance at time of order
Quality Assurance & Sourcing
Konmask.com sources the GE BAI21 369B1867G5002 through authorized distribution channels and verified surplus inventories. Every unit undergoes:
- Visual inspection for physical damage, connector integrity, and label authenticity
- Cross-reference verification against GE part number databases
- Packaging inspection to confirm OEM or equivalent protective packaging
- Documentation review including test reports, certificates of conformance, and traceability records where available
We do not sell counterfeit, cloned, or unmarked parts. All products are shipped with full documentation upon request.
How to Source This Part
- Add to cart directly from this page, or contact us for bulk / project pricing.
- Provide your project PO number and required delivery date for expedited processing.
- Our team will confirm stock availability, lead time, and issue a proforma invoice within 1 business day.
- Payment via T/T (bank transfer), PayPal, or trade credit (approved accounts).
- Worldwide shipping via DHL / FedEx / UPS with full tracking and export documentation.
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Application-Specific FAQ
Q: Is the GE BAI21 369B1867G5002 compatible with GE Mark VI turbine control systems?
A: Yes. The BAI21 series RTDs are designed for integration with GE’s Mark V, Mark VI, and Mark VIe turbine control platforms via the appropriate TREG/TTUR I/O modules.
Q: What is the difference between BAI21 and other GE RTD part numbers?
A: The BAI21 designates the sensor body and connection configuration. The suffix 369B1867G5002 specifies the exact variant including lead configuration, temperature range, and connector type. Always use the full part number when ordering.
Q: Can this RTD be used in non-GE control systems?
A: Yes, provided the receiving system supports the same RTD element type (PT100 or PT1000). Signal conditioning may be required. Contact our engineering team for application guidance.
Q: Do you offer calibration certificates?
A: Calibration certificates can be arranged upon request for new units. Please specify this requirement at the time of order.
Q: What is the lead time for this part?
A: In-stock units ship within 1–3 business days. For out-of-stock items, lead time is typically 2–6 weeks depending on GE’s supply chain. Contact us for current availability.
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