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 AST-IS Standard CO2 Transmitters

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AST-IS Standard CO2 Transmitters



Key Features

» Single internal infrared CO2 sensor
» Linear 4 - 20 mA or 0 - 10 VDC output
» Operating power 24 VDC or 24 VAC nominal
» Low maintenance, easy calibration
» 0 - 2,000 ppm standard range
» Relay output (AST-IS5 model only)
» 1 LEED credit (AST-IS14 model only)
» Attractive PVC enclosures ideal for indoor use
» RoHS compliant circuit boards
» CE certified


The AST-IS standard transmitters contain a non-dispersive, infrared sensor for accurate and reliable, indoor, carbon dioxide (CO2) detection and are available in 3 models with different options. All models are low maintenance and a key component for climate control of buildings and other processes.

AST-AS1 is a simple, low-cost, transmitter without a display for fixed installation in the climate zone.

AST-IS5 measures both CO2 and temperature in the ambient air, has a display and can transmit data to a BAS system or controller.

AST-IS14 features a display and has an alarm with sound and light that alerts when the levels of CO2 exceed defined levels.

The AST-IS standard transmitters feature 4 - 20 mA or 0 - 10 VDC linear output signals, low 24 VDC / VAC nominal voltage, standard 0 - 2,000 ppm range and CE certification.


» Residential Buildings
» Commercial Buildings
» Schools / Educational Institutions
» Offices
» and many more

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