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E²TQuasar 2 Flare Stack Flame and Pilot Monitor


Continuous Duty Flare Stack Flame and Pilot Monitoring Instrument

The Quasar 2 infrared instruments provides continuous monitoring and detection of pilot flame and flare gases from flares for refineries, gas plants, and other petrochemical applications independet of gas composition, up to a disctance of 400 m. The instruments can be used with elevated flares, ground flares, as well as off-shore and staged flares. 
Models are available with such features as automatic compensation for signal variation due to target movement, varying luminosiity, and weather conditions, such as rain, snow, and fog, vernier sighting capabilities for easy target acquisition at long sighting distances, and heavy-duty mounting systems designed to resist movement in high winds. The integrated alarm delay circuit can be adjusted for a specific location or application, eleminating false alarm from tempoary loss of signal due to intermittent flames, adverse weather and wind. 


  • Configurable product to meet a wide range of client flare types and monitoring requirements
  • Five optics options to ensure the highest flame signal detection
  • Status lights: green (flame) and red (no flame)
  • SIL 1 rated
  • EXd IIB Enclosure
  • Stainless Steel housing


  • Install a reliable and accurate pilot and flare monitoring system without service interruption
  • Detection of hydrocarbon and hydrogen flames
  • Use the high-resolution optical system and various spot sizes to position the system up to 1/4 mile (400 m) away from the monitored flare stack
  • Modular opto-electronic package for easy access and service
  • Nearly maintenance free


FOV (minimale Punktgröße) (mmm): 37.5:1, 60:1, 75:1, 150:1, 300:1
Ausrichten / Sichten: Targeting port for target alignment
Schnittstelle / Ausgang (mA): switched 4/20mA
4 to 20mA (Advance Model only)
Mechanical Relay (Advance Model only)
Belichtungszeit t90 (ms): 10ms
Umgebungstemperatur (°C): -40 to 60
Schärfebereich (mm/mtr): 0 to 400
Ex-Rating: IECEx Ex db IIB T4
ATEX II 2 G Ex db IIB T4
Class I, Div 1, Groups C and D
Class I, Div 2, Groups A, B, C and D
Schutzklasse: IP66
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Calibration and Alignment

Advanced Energy has the tools and processes to ensure your equipment continues to meet its original specifications.  Our products are calibrated at global AE service sites with proprietary technology designed to exceed industry standards​.

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Total Service Package

We offer customized service bundles that include calibration, alignment, and extended warranty. Services will include scheduled calibration with adjustment and repairs as needed. Any software/firmware upgrades are also made available for customers.

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