Honeywell C7027 Series Ultraviolet Flame Detectors: C7027A1064, C7027A1072

Technical Dossier

Product Details And Specifications

Honeywell C7027 Series Technical Notes

The Honeywell C7027 Series ultraviolet (UV) flame detectors represent one of the most widely deployed flame-sensing product lines in global heavy industry. Installed across petrochemical refineries, chemical processing plants, power generation facilities (including nuclear auxiliary systems), and industrial burner management systems, the C7027 Series has established a long-term presence in safety-critical combustion control applications. These sensors interface directly with Honeywell's Protectofier and Flame-Monitor burner control systems, as well as third-party BMS platforms, making them a universal reference component in industrial flame supervision. Their UV-sensing technology provides reliable detection of hydrocarbon and hydrogen flames across a broad range of fuel types, operating under the demanding conditions of continuous industrial combustion cycles.

The Evolution of C7027 Architecture

The C7027 Series was introduced by Honeywell as part of its Protectofier flame safeguard ecosystem, designed to replace earlier bimetallic and infrared-based flame detection technologies with solid-state UV sensing. Early variants such as the C7027A1015 established the baseline 120 VAC operating architecture with a standard 1/2-inch NPT mounting thread and a 90° viewing angle. Subsequent revisions expanded the series to address specific installation geometries, voltage requirements, and environmental ratings.

C7027 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly sourced models within the Honeywell C7027 Series. Each unit is a self-contained ultraviolet flame detector designed for direct mounting on burner assemblies or sight pipes.

C7027A1064: UV flame detector, 120 VAC, 1/2-inch NPT, 90° viewing angle, standard lead length
C7027A1072: UV flame detector, 120 VAC, 1/2-inch NPT, 90° viewing angle, extended lead length variant
C7027A1015: UV flame detector, 120 VAC, straight-body configuration, early production baseline model
C7027A1023: UV flame detector, 120 VAC, angled-body configuration for restricted sight-pipe installations
C7027A1031: UV flame detector, 120 VAC, high-temperature rated housing for elevated ambient environments
C7027A1049: UV flame detector, 120 VAC, with extended UV tube service life rating
C7027A1056: UV flame detector, 120 VAC, NEMA 4 enclosure rating for wash-down environments
C7027A1080: UV flame detector, 120 VAC, remote sensor configuration for indirect mounting
C7027A1098: UV flame detector, 120 VAC, dual-output signal version for redundant BMS inputs
C7027B1003: UV flame detector, 24 VAC/VDC, low-voltage variant for 24V BMS architectures
C7027B1011: UV flame detector, 24 VAC/VDC, extended cable version for remote burner installations
C7027C1001: UV flame detector, 240 VAC, European voltage specification for CE-marked installations
C7027D1009: UV flame detector, 120 VAC, with integral amplifier for direct relay output
C7027E1007: UV flame detector, 120 VAC, explosion-proof housing, Class I Division 1 rated
C7027F1005: UV flame detector, 120 VAC, stainless steel body for corrosive atmosphere installations
C7027G1003: UV flame detector, 120 VAC, high-sensitivity UV tube for low-luminosity flame applications
C7027H1001: UV flame detector, 120 VAC, with self-check function for continuous availability monitoring

Quality Control for the C7027 Range

The C7027 Series presents specific quality verification requirements due to the nature of its UV sensing tube — a consumable component with a finite operational lifespan measured in flame-on hours. DriveKNMS applies the following test protocol to all C7027 units processed through its facility: