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Fireye 69ND1 Ionization Flame Rod. The 69ND1 Flame Rod is an essential component designed for gas flame detection in high-temperature environments. Constructed from high-temperature resistant metal, this flame rod is built to perform reliably in demanding industrial applications where accurate flame detection is crucial. - Flame Sensors
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FireyeFlame Sensors

Fireye 69ND1 Ionization Flame Rod. The 69ND1 Flame Rod is an essential component designed for gas flame detection in high-temperature environments. Constructed from high-temperature resistant metal, this flame rod is built to perform reliably in demanding industrial applications where accurate flame detection is crucial.

The 69ND1 Flame Rod is an essential component designed for gas flame detection in high-temperature environments. Constructed from high-temperature resistant metal, this flame rod is built to perform reliably in…

SKU 3G-OTH-02791

Brand
Fireye
Item
69ND1 Ionization Flame Rod. The 69ND1 Flame Rod is an essential component designed for gas flame detection in high-temperature environments. Constructed from high-temperature resistant metal, this flame rod is built to perform reliably in demanding industrial applications where accurate flame detection is crucial.
Category
Flame Sensors
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Technical Specifications

Fireye
Models
69ND1
Category
Flame Sensors
Diameter
1.02 inches (25.9 mm)
Approvals
CE, cULus, FM Approved
Dimensions
Diameter: 1.02 inches (25.9 mm) Heat insulator: 2 1/2 inches (63.5 mm) Threaded pipe: 1/2-1 straight pipe thread, with a .385 diameter (8.7 mm) Tapered pipe thread: 1/2-14 (NPT) TC-ER cable diameter: 13/32 (10 mm)
Maintenance
The flame rod requires minimal maintenance. Regular checks are recommended to ensure proper functionality, particularly in systems exposed to extreme temperatures or in environments with high amounts of combustion by-products.
Applications
This flame rod is specifically designed for use in industrial environments requiring reliable and accurate gas flame detection. It is suitable for combustion systems, burners, and other gas-fired systems where high-temperature, durable detection is necessary.
Installation
The 69ND1 Flame Rod features a 1/2-inch mounting and is easy to install in various systems that require gas flame detection. It offers flexibility for different setups and flame detection applications.
Size Options
The flame rod is available in three lengths, providing versatility for different installation needs: 12 inches (305 mm) 18 inches (460 mm) 24 inches (710 mm)
Threaded pipe
1/2-1 straight pipe thread, with a .385 diameter (8.7 mm)
Heat insulator
2 1/2 inches (63.5 mm)
Compatible Systems
The 69ND1 Flame Rod is compatible with several control systems, including the P-Series C & D Series, MicroM, FLAME-MONITOR, and BurnerLogix systems, providing flexible integration into a wide variety of industrial flame detection setups.
Tapered pipe thread
1/2-14 (NPT)
TC-ER cable diameter
13/32 (10 mm)
Resistance measurement
Resistance is typically measured with a 20K Ohms/Volt Meter for accurate performance evaluation.
Material & Construction
Made of durable high-temperature resistant metal, the 69ND1 Flame Rod is engineered specifically for detecting gas flames. Its robust construction ensures it can withstand harsh conditions in flame detection systems.
Flame Detection Compatibility
The 69ND1 Flame Rod is designed specifically for detecting gas flames. It is compatible with various infrared flame detectors and scanners, ensuring reliable flame detection in combustion systems.
Electrical & Resistance Details
Approximate resistance of the flame rod varies, with a typical range from 20K – 80K ohms. Resistance measurement: Resistance is typically measured with a 20K Ohms/Volt Meter for accurate performance evaluation.
Temperature & Voltage Specifications
The maximum tip temperature the flame rod can withstand is 2460°F (1355°C). The ambient temperature range is -40°F to 140°F (-40°C to 60°C). The flame rod operates with a voltage range of 7-15 VDC and is compatible with various infrared scanner models.
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Fireye Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 69ND1 Flame Rod is an essential component designed for gas flame detection in high-temperature environments. Constructed from high-temperature resistant metal, this flame rod is built to perform reliably in demanding industrial applications where accurate flame detection is crucial.

Used in

Common applications for Fireye
Power-plant auxiliary boiler — M-Series II controller with UV flame scanner, programmed for gas/oil switchover and flame-presence monitoring.
Refinery process heater — MP100E programmer module managing multi-stage ignition and flame-out shutdown interlocks on high-pressure burners.
Petrochemical facility thermal oxidizer — MAUV1T UV amplifier module processing scanner signal from high-temperature burner housings with immune-response filtering.
Large-scale industrial oven (metal treating) — M-Series II with remote reset capability and dual-fuel solenoid isolation for operator safety and burner protection.
Cogeneration plant fuel-gas burner — Fireye scanner and modular controller stack integrated into BMS with remote monitoring of flame status and controller fault codes.

Fireye Products

3G Electric supplies Fireye flame sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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