flame detectors
C7012 Ultraviolet Flame Detector
Solid State Purple Peeper®
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Overview
Solid-state electronic UV flame sensor to detect ultraviolet radiation emitted by the combustion of most carbon-containing fuels such as natural gas, LP gases, and oil. Used with Honeywell burner controls to provide flame supervision in continuous operation for industrial burner applications.
Approvals:
Approvals:
- CE approved according to EN298 only when used with the correct Honeywell flame amplifiers and/or burner controls
- C7012E/F models are approved for use in continuous operation, by using dynamic self-check
- C7012C/F models are UL listed for use in explosion hazardous locations; Class 1, groups C and D; and Class 2, groups E, F, and G
Specifications
Environmental Conditions
- Ambient Operating Temperature
- A/C/G: 25 to 175 deg F (-4 to 79 deg C)
- E/F: -20 to 175 deg F (-29 to 79 deg C)
- Low‑temp versions to -40 deg F available
Pressure Specifications
- Viewing Window Pressure Rating
- A/E/G: 20 psi (optional 50 psi window)
- C/F: 100 psi rated window
Storage/Transport Temperatures
- Storage Temperature Range
- -60 to 175°F (-51 to 79°C)
Ignition, Flame & Supervision Specifications
- Parallel Detector Capability
- Up to two detectors can be wired in parallel to prevent nuisance shutdowns
- Minimum Flame Signal
- Typically ≥2 µA (or ≥1.25 VDC depending on amplifier) per Table 1 spec
Electrical Specifications
- Operating Voltage Range
- C7012A/E: Models for 100, 120, 208, 240 VAC 50/60 Hz
- C7012C/F: 120 VAC only; C7012G: 220 V 50 Hz models
Installation & Mounting Specifications
- Mounting Interface
- A/E/G: 3/4 or 1 in NPT mounting flange
- C/F: 1 in NPT pipe union
Overview
- Models
- C7012A, C7012C, C7012E, C7012F, C7012G (includes self‑checking and explosion‑proof variants)
Mechanical Design & Hardware Details
- Leadwire
- A/C: 4 wires
- All NEC Class 1, 8 ft long, color‑coded
- E/F: 6 wires
- G: 5 wires
Product Design & Configuration
- Housing Type
- A/E/G: NEMA‑4 Cast Aluminum (rain‑tight, dust‑tight, hose‑tight)
- C/F: Explosion‑Proof Housing (UL listed)
Standards & Certifications
- Hazardous Location Approvals
- C7012C and C7012F: Class I Groups C and D; Class II Groups E, F, G (explosion‑proof)
- Approvals
- UL, CSA, Factory Mutual (FM), DIN, British Gas Corporation, SwissRe depending on model variant
Measurement & Sensing Characteristics
- Detection Method
- Ultraviolet radiation sensing tube (field replaceable) with quartz viewing window
Connections & Interfaces
- Connection Type
- A/E: 1/2‑14 NPSM Internal Thread
- C/F: 1/2‑14 NPT explosion‑proof (Conduit Entry)
Applications & Compatibility
- Compatible Amplifiers
- R7247A/B/C, R7289A, R7747C, R7847A/B/C depending on model type (rectification/dynamic self‑check)
- Applications
- Burner/boiler flame supervision, flame safeguard systems, multi‑burner installations, flame discrimination in industrial furnaces
Environmental Conditions
- Ambient Operating Temperature
- A/C/G: 25 to 175 deg F (-4 to 79 deg C)
- E/F: -20 to 175 deg F (-29 to 79 deg C)
- Low‑temp versions to -40 deg F available
Pressure Specifications
- Viewing Window Pressure Rating
- A/E/G: 20 psi (optional 50 psi window)
- C/F: 100 psi rated window
Storage/Transport Temperatures
- Storage Temperature Range
- -60 to 175°F (-51 to 79°C)
Ignition, Flame & Supervision Specifications
- Parallel Detector Capability
- Up to two detectors can be wired in parallel to prevent nuisance shutdowns
- Minimum Flame Signal
- Typically ≥2 µA (or ≥1.25 VDC depending on amplifier) per Table 1 spec
Electrical Specifications
- Operating Voltage Range
- C7012A/E: Models for 100, 120, 208, 240 VAC 50/60 Hz
- C7012C/F: 120 VAC only; C7012G: 220 V 50 Hz models
Installation & Mounting Specifications
- Mounting Interface
- A/E/G: 3/4 or 1 in NPT mounting flange
- C/F: 1 in NPT pipe union
Overview
- Models
- C7012A, C7012C, C7012E, C7012F, C7012G (includes self‑checking and explosion‑proof variants)
Mechanical Design & Hardware Details
- Leadwire
- A/C: 4 wires
- All NEC Class 1, 8 ft long, color‑coded
- E/F: 6 wires
- G: 5 wires
Product Design & Configuration
- Housing Type
- A/E/G: NEMA‑4 Cast Aluminum (rain‑tight, dust‑tight, hose‑tight)
- C/F: Explosion‑Proof Housing (UL listed)
Standards & Certifications
- Hazardous Location Approvals
- C7012C and C7012F: Class I Groups C and D; Class II Groups E, F, G (explosion‑proof)
- Approvals
- UL, CSA, Factory Mutual (FM), DIN, British Gas Corporation, SwissRe depending on model variant
Measurement & Sensing Characteristics
- Detection Method
- Ultraviolet radiation sensing tube (field replaceable) with quartz viewing window
Connections & Interfaces
- Connection Type
- A/E: 1/2‑14 NPSM Internal Thread
- C/F: 1/2‑14 NPT explosion‑proof (Conduit Entry)
Applications & Compatibility
- Compatible Amplifiers
- R7247A/B/C, R7289A, R7747C, R7847A/B/C depending on model type (rectification/dynamic self‑check)
- Applications
- Burner/boiler flame supervision, flame safeguard systems, multi‑burner installations, flame discrimination in industrial furnaces
- Ambient Operating Temperature : A/C/G: 25 to 175 deg F (-4 to 79 deg C)|E/F: -20 to 175 deg F (-29 to 79 deg C)|Low‑temp versions to -40 deg F available
- Viewing Window Pressure Rating : A/E/G: 20 psi (optional 50 psi window)|C/F: 100 psi rated window
- Storage Temperature Range : -60 to 175°F (-51 to 79°C)
- Parallel Detector Capability : Up to two detectors can be wired in parallel to prevent nuisance shutdowns
- Operating Voltage Range : C7012A/E: Models for 100, 120, 208, 240 VAC 50/60 Hz|C7012C/F: 120 VAC only; C7012G: 220 V 50 Hz models
- Mounting Interface : A/E/G: 3/4 or 1 in NPT mounting flange|C/F: 1 in NPT pipe union
- Models : C7012A, C7012C, C7012E, C7012F, C7012G (includes self‑checking and explosion‑proof variants)
- Minimum Flame Signal : Typically ≥2 µA (or ≥1.25 VDC depending on amplifier) per Table 1 spec
- Leadwire : A/C: 4 wires|All NEC Class 1, 8 ft long, color‑coded|E/F: 6 wires|G: 5 wires
- Housing Type : A/E/G: NEMA‑4 Cast Aluminum (rain‑tight, dust‑tight, hose‑tight)|C/F: Explosion‑Proof Housing (UL listed)
- Hazardous Location Approvals : C7012C and C7012F: Class I Groups C and D; Class II Groups E, F, G (explosion‑proof)
- Detection Method : Ultraviolet radiation sensing tube (field replaceable) with quartz viewing window
- Connection Type : A/E: 1/2‑14 NPSM Internal Thread|C/F: 1/2‑14 NPT explosion‑proof (Conduit Entry)
- Compatible Amplifiers : R7247A/B/C, R7289A, R7747C, R7847A/B/C depending on model type (rectification/dynamic self‑check)
- Approvals : UL, CSA, Factory Mutual (FM), DIN, British Gas Corporation, SwissRe depending on model variant
- Applications : Burner/boiler flame supervision, flame safeguard systems, multi‑burner installations, flame discrimination in industrial furnaces
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