4
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BT24i CO
2
Gas Sensor User’s Guide
Technical Specifications
Sensor kind
Analog, generates an output voltage between 0 -‐ 5 V
Measurement range
0 .. 5000 ppm (0 .. 0.5 %) at 1 atm
Resolution using 12 bit AD converter
2.44 ppm CO
2
Typical resolution
20 ppm
Calibration function
CO
2
(ppm) = 2000 * V
out
(V)
Live calibration by calibration button
in fresh air ~400 ppm
Accuracy (at standard 1 atm)
100 ppm in the range of 0-‐1000 ppm
10 % of reading in the range of 1000-‐5000 ppm
Warm up time
90 seconds (maximum)
Response time
90% of full-‐scale reading in 60 s
Normal operating temperature range
20 .. 30 °C
Operating humidity range
5 .. 95% RH (non-‐condensing)
Connection
IEEE1394 connector for BT-‐IEEE1394 sensor cable.
Sensor cable not delivered with the sensor.
Warranty:
The CO
2
Gas sensor BT24i is warranted to be free from defects in materials and workmanship for a
period of 24 months from the date of purchase provided that it has been used under normal
laboratory conditions. This warranty does not apply if the sensor has been damaged by accident or
misuse.
Note:
This product is to be used for educational purposes only. It is not appropriate for industrial,
medical, research, or commercial applications.
Rev. 20
/12/2015
