Product Overview
The 95DSS2E-1 is Fireye’s enhanced Model InSight flame scanner, representing the pinnacle of the InSight 95 series of microprocessor-based flame detection devices for industrial combustion safety. As a fully integrated dual-spectrum scanner, the 95DSS2E-1 combines ultraviolet (UV) and infrared (IR) solid-state sensors within a single ruggedized housing, eliminating the need for a separate remote flame amplifier and dramatically simplifying burner management system (BMS) architecture. This self-contained design places the flame relay, fault relay, 4-20mA analog output, electronic self-check circuitry, 8-character alphanumeric LED display, and 4-button keypad all inside the scanner body, making the 95DSS2E-1 a true “smart” flame sentinel for the most demanding combustion applications.
The core technological advantage of the 95DSS2E-1 lies in its dual-detector philosophy: the UV sensor responds in milliseconds to the characteristic ultraviolet radiation emitted at flame ignition, while the IR channel continuously analyzes flame flicker frequency to discriminate between true combustion and false signals from hot furnace walls, glowing refractory, or background thermal radiation. This UV+IR fusion detection mode provides unmatched immunity to false alarms, a critical capability for multi-fuel boilers, ethylene cracker furnaces, and sulfur recovery units where conventional single-spectrum detectors struggle. The 95DSS2E-1 operates on a standard 24 VDC supply and communicates flame status through a built-in SPST-NO flame relay and series-connected SPST-NC fault relay, while simultaneously delivering a proportional 4-20mA signal for remote flame intensity monitoring in the control room.
Engineered for harsh industrial environments, the 95DSS2E-1 features a cast aluminum housing with grey polyester powder coating, rated NEMA 4X / IP66 for dust-tight, watertight operation in high-temperature, high-vibration, and high-EMI combustion enclosures. The scanner’s electronic self-check system requires no mechanical shutter, eliminating a traditional wear point and significantly extending operational life. With 21 selectable flame flicker frequencies (23-179 Hz), 4 programmable configuration profiles (A/B/C/D), and AutoTune automatic programming, the 95DSS2E-1 adapts intelligently to virtually any fuel type—gas, oil, coal, or mixed-fuel combustion—while meeting FM, CSA, CE, and UL safety certification standards. For plant engineers responsible for burner safety in power generation, refining, petrochemical, cement, and waste-to-energy applications, the 95DSS2E-1 delivers the reliability, intelligence, and maintenance simplicity required to keep critical combustion systems running safely and efficiently.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | 95DSS2E-1 |
| Manufacturer | Fireye (Honeywell Combustion & Fire Safety) |
| Product Type | Enhanced Model InSight Flame Scanner |
| Series | InSight 95 Series |
| Detection Principle | Dual solid-state sensors: UV (295-320 nm) + IR (700-1700 nm) |
| Detection Modes | UV only, IR only, UV+IR fusion |
| Power Supply | 24 VDC (+10% / -15%) |
| Typical Current | 0.35 A |
| Power Consumption | 8.5 VA |
| Flame Relay | SPST-NO, built-in, adjustable ON/OFF threshold |
| Fault Relay | SPST-NC, connected in series with flame relay |
| Analog Output | 4-20 mA, maximum load 750 Ω |
| Flame Failure Response Time (FFRT) | 1-6 s (default 1 s, configurable per safety regs) |
| Ignition Delay (OTD) | 1-6 s, configurable |
| Flicker Frequencies | 21 selectable (23-179 Hz) |
| Programmable Profiles | 4 sets (A/B/C/D) |
| Self-Check | Electronic self-test, no mechanical shutter |
| Display | 8-character alphanumeric LED |
| User Interface | 4-button keypad for setup and diagnostics |
| Ambient Operating Temperature | -40°C to +65°C |
| Internal Temperature | -40°C to +81°C |
| Humidity | 0%-95% non-condensing |
| Purge Air Requirement | Clean dry air, 4 SCFM (113 L/min) minimum; 15 SCFM (425 L/min) for high-temp/dusty environments |
| Housing | Cast aluminum, grey polyester powder coated |
| Protection Rating | NEMA 4X / IP66 |
| Hazardous Area Certification | Class I Div. 2 (A/B/C/D), Class II Div. 2 (F/G) |
| Safety Certifications | CE, UL/CSA, FM, RoHS Compliant |
| Electrical Connection | 12-pin quick disconnect or 10 ft (3 m) captive cable |
| Relay Rating | Min: 10 mA 5 VDC; Max: 2 A 30 VDC / 2 A 240 VAC |
| Detection Distance | Up to 30 m (depending on flame size and fuel type) |
| Weight | Ambient model approx. 1.96 kg; CG model approx. 2.89 kg |
| Communication | Fireye dedicated software for remote configuration & monitoring (S2 enhanced features) |
| Lifecycle Status | Active, in production, continuously supplied by OEM |