SenseAir aSENSE User Manual

Document
UMA 139
Rev
2
Page
1 (7)
CO
2
/ temperature transmitter
General
The IAQ-sensor product aSENSE is used to measure indoor air carbon dioxide
concentration and temperature in rooms. The aSENSE is available both with and
without display, (LCD). Both are available for wall mounting as well as for duct
mounting.
The unit is designed for connecting to Direct Digital Control (DDC). The linear output
functions are pre-programmed as CO
2
and temperature transmitters with jumper
selected outputs 0-10 V / 2-10 V / 0-20 mA / 4-20 mA. The measuring ranges can be
modified from a PC (Windows NT, XP, 7) and use of the software UIP (version 5 or
higher) together with the RS232 communication cable.
Figure 1 aSENSE for wall mounting and duct mounting
Gas and Air Sensors
aSENSE
User Manual

SenseAir aSENSE Specifications

General

Gas	Carbon Dioxide (CO2)
Sensing Principle	Non-dispersive infrared (NDIR)
Enclosure Rating	IP20
Measurement Range	0 to 2000 ppm
Operating Temperature	0 to 50 °C
Operating Humidity	0% to 95% RH (non-condensing)
Output Signal	4-20 mA

Summary

General

Formulas for calculation of output values

Output Configurations

Self-diagnostics

Error code and action plan

Maintenance

Duct mounting

WARRANTY AND LIMITATION OF LIABILITY