Upgraded IR3 Optical Flame Detector


Spectrex Inc., the world's leader in the development and implementation of optical flame and gas detection and suppression systems, has further upgraded its original patented Triple IR Flame Detector with an improved design – SharpEye 20/20SI which has a sealed electronic & sensor section to ensure protection from the environment during installation and additional field programmability features.

The 20/20SI model, which is identical in appearance and priced the same as the 20/20I, is available in both FM and ATEX versions and in standard aluminum or optional stainless steel housing.

Key features of the 20/20SI model include:
· The main section is sealed to protect the electronics/sensors from moisture during commissioning/maintenance.
· Modbus protocol is the standard for the RS-485 output.
· The PCBs are manufactured using Surface Mounted Technologies (SMT).
· The power required is at least 50 mAmp less than for the 20/20I (i.e., 100 mAmp / 150 mAmp).

The microprocessor design allows for unique field programmability not found in similar detectors, making the 20/20SI highly immune to false alarms.

The detector’s factory settings can be updated at your facility before installation, using a hand-held communicator (PDA) or a laptop PC with Spectrex cable, RS-485 to RS-232 converter and Spectrex host software.

The detector has applications in a wide range of industrial and commercial facilities, where the threat of accidental fire involves hydrocarbon fuels, such as gasoline, kerosene, diesel fuel, aviation jet fuels like JP-4, JP-5, JP-8, hydraulic fluids, paints and solvents, hydrocarbon gases like ethylene and polyethylene, natural gas (LNG), town gas, liquefied petroleum gas (LPG), methane, ethane, propane, etc.


• Power Supply – 18-32VDC • Electrical Connection – 2 x ¾”-14NPT conduits • Dimensions – 4.7” x 5.2” x 5.2
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