Description
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | 95DSS2E-1 |
| Manufacturer | Fireye (USA) |
| Product Type | Enhanced InSight Flame Scanner (Dual IR/UV) |
| Series / Platform | InSight Type 95 |
| Detection Technology | Dual solid-state sensors: UV (295–320 nm) + IR (700–1700 nm) |
| Operating Modes | UV only, IR only, UV+IR fusion |
| Power Supply | 24 VDC (+10% / -15%), typical 0.35 A, ~8.5 VA |
| Flame Relay | SPST-NO, adjustable ON/OFF threshold |
| Fault Relay | SPST-NC, wired in series with flame relay |
| Relay Rating | Min: 10 mA @ 5 VDC; Max: 2 A @ 30 VDC / 2 A @ 240 VAC |
| Analog Output | 4–20 mA DC, max load 750 Ω |
| Flame Fault Response Time (FFRT) | 1–6 s (default 1 s) |
| Ignition Delay (OTD) | 1–6 s |
| Flicker Frequencies | 21 selectable (23–179 Hz) |
| Programmable Profiles | 4 sets (A/B/C/D) |
| Self-Check | Electronic, no mechanical shutter |
| Display | 8-character alphanumeric LED |
| User Interface | 4-button keypad |
| Communication | Remote config/monitor via Fireye software (S2 enhanced feature) |
| Connector | 12-pin quarter-turn quick-disconnect |
| Housing Material | Cast aluminum, grey polyester powder coat |
| Protection Rating | NEMA 4X / IP66 |
| Hazardous Area Certification | Class I Div. 2 (A/B/C/D), Class II Div. 2 (F/G) |
| Ambient Operating Temperature | -40°C to +65°C (-40°F to +150°F) |
| Internal Temperature | -40°C to +81°C |
| Humidity | 0–95% non-condensing |
| Air Purge Requirement | Clean dry air, 4 SCFM (113 L/min) base; 15 SCFM (425 L/min) for high-temp/dusty |
| Safety Certifications | CE, UL, CSA, FM; RoHS Compliant |
| Lifecycle Status | Effectively obsolete per Fireye notice (Feb 5, 2020) |
Main Features and Advantages
The Fireye 95DSS2E-1 delivers a compelling combination of dual-spectrum intelligence, integrated amplification, and industrial ruggedness that sets it apart in the flame detection landscape. The cornerstone advantage is its dual IR/UV sensor architecture. The UV sensor responds to 295–320 nm radiation, making it ideally suited for gaseous and light-oil fuels where UV emission is strong at ignition. The IR sensor covers 700–1700 nm, excelling at detecting oil and coal flames rich in infrared energy. By fusing both spectra, the Fireye 95DSS2E-1 achieves superior discrimination in mixed-fuel applications, reliably distinguishing true flame from furnace wall radiation, hot refractory, or stray background illumination that would fool single-spectrum detectors.Integrated flame amplification is another decisive strength. Unlike conventional flame scanning systems that require a separate remote amplifier module connected via a long signal cable, the Fireye 95DSS2E-1 embeds the entire amplification and relay logic inside the scanner head. This design eliminates a classic failure point—the noise-prone long cable run between scanner and amplifier—while freeing up panel space and reducing wiring cost. The internal flame relay features adjustable ON/OFF thresholds, allowing the Fireye 95DSS2E-1 to be fine-tuned to the exact flame signature of each specific burner.Intelligent AutoTune capability elevates the Fireye 95DSS2E-1 above ordinary flame scanners. During setup, the scanner evaluates the target flame across 21 selectable flicker frequencies (23–179 Hz) and automatically locks onto the modulation frequency that yields the sharpest contrast between flame-present and flame-absent states. Sensor gain is likewise auto-optimized, while still permitting manual override for specialist applications. The result is a Fireye 95DSS2E-1 that can be commissioned in minutes rather than hours, with markedly lower false-trip rates.The electronic self-check mechanism of the Fireye 95DSS2E-1 represents a major reliability improvement over legacy mechanical-shutter designs. By eliminating moving parts from the safety inspection path, the scanner removes the primary wear item that historically limited flame scanner lifespan. Continuous electronic diagnostics monitor internal circuit health and report faults via the 8-character LED display and the fault relay output, enabling predictive maintenance before a safety-critical failure can occur.Local operator interface is exceptionally user-friendly. The Fireye 95DSS2E-1 places an 8-character alphanumeric LED display and a 4-button keypad directly on the scanner front face, allowing technicians to read flame signal strength, scroll through diagnostic messages, and adjust setpoints without a laptop or separate handheld communicator. For advanced users, the S2 enhanced communication capability supports remote configuration and real-time monitoring via Fireye’s dedicated PC software, integrating seamlessly with modern BMS and plant asset management networks.Industrial robustness rounds out the value proposition. The cast aluminum housing with grey polyester powder coating, NEMA 4X / IP66 sealing, and hazardous-area certifications make the Fireye 95DSS2E-1 impervious to dust, moisture, vibration, and explosive atmospheres. With 4 programmable parameter profiles (A/B/C/D), a single Fireye 95DSS2E-1 can store multiple burner configurations, simplifying spare management and enabling rapid burner changeovers in multi-fuel plants.
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