Description

The COEN ISCAN DSF-2000-MB-UV 2653-213-06 is a high-sensitivity multi-band ultraviolet flame detector engineered for critical fire and explosion protection in hazardous industrial environments. As part of COEN’s ISCAN Series, this device employs advanced triple-wavelength UV sensing technology to reliably detect hydrocarbon, hydrogen, and metal fires while rejecting false alarms from solar radiation, arc welding, and hot surfaces. The COEN ISCAN DSF-2000-MB-UV 2653-213-06 features a rugged stainless-steel housing rated for extreme conditions, providing continuous monitoring for gas turbines, offshore platforms, and chemical processing areas where rapid flame detection is paramount.

Designed for SIL 2 compliance per IEC 61508, this detector achieves sub-5-second response times across a 100° field of view at distances up to 60 meters. Its corrosion-resistant construction (NEMA 4X/IP66) withstands salt spray, oil mist, and temperatures from -40°C to +80°C. The COEN ISCAN DSF-2000-MB-UV 2653-213-06 integrates seamlessly with fire and gas control panels via configurable 4-20mA/HART outputs and Modbus RTU communication, enabling real-time diagnostics and calibration verification without process interruption. For safety-critical applications requiring immunity to false triggers, this detector sets the industry benchmark for UV flame discrimination.

COEN ISCAN DSF-2000-MB-UV 2653-213-06

Technical Specifications

Parameter Name	Parameter Value
Product Model	ISCAN DSF-2000-MB-UV 2653-213-06
Manufacturer	COEN Company
Product Type	Multi-Band Ultraviolet Flame Detector
Detection Range	Up to 60 m (197 ft)
Response Time	< 5 sec (ISO 7240-8)
Field of View	100° conical
Spectral Sensitivity	180-260 nm / 210-280 nm / 230-300 nm
Output Signals	4-20mA/HART, 2x SPDT Relays, Modbus RTU
Power Supply	18-30 VDC
Operating Temperature	-40°C to +80°C (-40°F to +176°F)
Housing Material	316 Stainless Steel
Ingress Protection	IP66/NEMA 4X
Certifications	ATEX/IECEx Zone 1, SIL 2, FM, CSA
Dimensions	144 x 101 mm (H x Ø)
Weight	1.8 kg (4 lbs)

Main Features and Advantages

Advanced false-alarm immunity: The COEN ISCAN DSF-2000-MB-UV 2653-213-06 utilizes proprietary triple-channel UV spectroscopy to analyze flame signatures across distinct wavelength bands. This multi-band verification rejects non-fire UV sources like lightning and X-rays with >99.9% accuracy, preventing costly shutdowns in refineries or power generation facilities.

Extreme environment resilience: Engineered with hermetically sealed sapphire lenses and military-grade electronics, the detector maintains sensitivity in sandstorms, ice buildup, and hydrocarbon-contaminated atmospheres. Its pressurized housing option (2653-213-06 variant) prevents gas ingress in Zone 0 areas. Automatic gain adjustment compensates for lens fouling, while the built-in test LED enables functional verification without flame simulators.

Smart diagnostics integration: Continuous health monitoring tracks UV sensor integrity, window contamination levels, and electronics stability. The COEN ISCAN DSF-2000-MB-UV 2653-213-06 transmits diagnostic data via Modbus registers (alarm codes 0-999), enabling predictive maintenance scheduling in PlantSCADA or DeltaV systems. Hot-swappable design allows module replacement under live conditions, with calibration settings stored in non-volatile memory.

Application Field

The COEN ISCAN DSF-2000-MB-UV 2653-213-06 is deployed where rapid fire detection prevents catastrophic losses. In gas turbine enclosures, it monitors for hydrogen fires during startup, interfacing with GE Mark VIe controls for turbine protection. Offshore drill rigs utilize the detector in classified areas (Zone 1), where its corrosion resistance withstands salt spray on production decks.

For chemical processing, the COEN ISCAN DSF-2000-MB-UV 2653-213-06 safeguards reactor vessels and ethylene crackers, distinguishing flare stack ignition from dangerous leaks. Aerospace test facilities rely on its immunity to rocket exhaust UV interference during engine trials. In LNG loading terminals, the detector’s -40°C rating ensures operation during cryogenic spill scenarios. Waste-to-energy plants leverage its ability to detect hydrogen flames in boiler islands, integrating with Rockwell ControlLogix via Modbus TCP gateways.

COEN ISCAN DSF-2000-MB-UV 2653-213-06

Related Products

DSF-2000-IR3: Triple-IR flame detector for hydrocarbon fires

DSF-2000-UV/IR: Combined UV/IR detector for fuel storage areas

ISCAN DSF-1000: Economical UV detector for non-classified areas

DSF-2000-MB-UV-EX: Explosion-proof variant for Zone 0

COEN 2653-213-01: Standard housing version

FGM-3000: Fire gas monitor for complementary protection

HMI-500: Local configuration interface

CBM-1000: Calibration test module

Installation and Maintenance

Pre-installation preparation: Conduct site survey to ensure unobstructed view of protected area. Verify hazardous area certification matches zone classification. For the COEN ISCAN DSF-2000-MB-UV 2653-213-06, use 18 AWG shielded cable for power/communication with conduit seals per NEC/CEC. Mount detector 1.5-3m above potential flame sources using supplied 316SS bracket.

Maintenance recommendations: Quarterly lens cleaning with COEN-approved isopropyl alcohol wipes. Annually validate response time using COEN FTS-500 UV test lamp. Monitor Modbus register 40125 (lens contamination index) – clean when value exceeds 80%. Replace UV sensor module (P/N 2653-UV-ASM) if diagnostic fault 751 persists after cleaning. Perform full calibration every 60 months using COEN CAL-2000 bench station.