AST-IS5 Standard CO2 Transmitter

Infrared Carbon dioxide analog gas detector with a 0 - 2,000 ppm measurement range, a relay and a temperature sensor for measuring ambient air

Comes in a general purpose wall mount enclosure and has a display and a relay

Applications

  • Residential Buildings
  • Commercial Buildings
  • Schools / Educational Institutions
  • Offices
  • and many more...

Key Features

  • Single internal infrared CO2 sensor
  • 0 - 2,000 ppm standard range
  • Long sensor life (approx. 15 years)
  • Measures ambient air temperature
  • One dry contact relay
  • Low maintenance, easy calibration
  • 4 - 20 mA or 0 - 10 VDC linear output signal
  • Operating power 24 VDC or 24 VAC nominal
  • Attractive PVC enclosures ideal for indoor use
  • CE certified

Description

The AST-IS5 standard CO2 transmitter is a simple, low-cost, gas detector that provides accurate and reliable monitoring of Carbon dioxide and temperature inside buildings such as offices, hospitals and schools. It is low maintenance and is easily fixed on the wall in an appropriate monitoring location for climate control of buildings and different ventilation strategies. It has a display and is designed to be connected directly to a BAS or Controller. It requires 24 VDC / VAC nominal voltage power, has 4 - 20 mA or 0 - 10 VDC linear output signals and offers a standard 0 - 2,000 ppm gas monitoring range.

Target Gas
Gas Sensor
Carbon dioxide (CO2) 0 - 2000 ppm range
Mechanical
Enclosure
General purpose PVC, IP30 rated
Size
120 x 82 x 30 mm / 4.7 x 3.22 x 1.18 inches
User Interface
Display
4 Digits, 7 segments LCD display with ppm indicator
Input/Output
Output
Linear 4 - 20 mA or 0 - 10 VDC signal
Relay
1 SPST isolated N.O. dry contact relay rated
for 1mA @ 5V up to 1A @ 50VAC or 24VDC
Electrical
Power Requirement
24 VAC/VDC±20%, 50-60 Hz (half-wave rectifier input)
Power Consumption
1 W (average)
Wiring
18 AWG stranded, shielded
Environmental
Operating Temperature
0°C to 50°C (32°F to 122°F)
Temp Measurement Range
-20°C to 60°C (-4°F to 140°F)
Operating Humidity
0 - 85% RH non-condensing
Certifications
Conforms to
EMC 2004/108/EC, 92/31/EEG including amendments by the CE-marking Directive 93/68/EEC.
EN 61000-4-2 Level 2, EN 61000-4-3 Level 2, EN 61000-4-4 Level 4, EN 61000-4-6, EN 61000-4-8 Level 4, EN 55022 Class B
RoHS compliant circuit boards
Product Codes
AST-IS5
Non-dispersive infrared carbon dioxide (CO2) sensor (0 - 2,000 ppm range), temperature sensor, LCD digital display, relay output (1A @ 50 VAC / 24 VDC rating), 4 - 20 mA or 0 - 10 VDC output, 24 VDC or VAC, Wall mount,

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