Casella CEL Indoor air quality monitor - Manual (Page 34)

Instrument Analogue Output
Resolution 1 ppm with 12 bit DAC (4096)
20 ppm with 8 bit DAC (256)
Voltage Output 0 to 3 V for full span ppm. (A Current
loop version of 4 to 20 mA can also be
provided)
Display Panel LCD 3.5 digit, readings updated every
0.5 S
Display Resolution 5 ppm (for 3000 ppm unit), 0.01% (for
10% range)
Temperature at Which
Calibration Settings Should
be Made Ambient temperature (approx. 20
o
C)
Connector Type 5 pin plug
Sensor Specifications
Page 34 of 42
MICROTHERM indoor air quality &
WinIaq Application Software - User Manual