8.8 External CO
2
Sensor (PN: E031014)
8.8.1 Introduction
The external CO
2
sensor option enables the Serinus 30 to report CO
2
concentration readings in addition
to the standard CO measurements made by the Serinus 30. The CO
2
measurements are made using an
external sensor, which is connected via an analog input to the Serinus 30.
Figure 156 – External CO
2
Sensor
8.8.2 Specifications
Part number: E031014
CO
2
measurement range: 0 – 2000 ppm
Accuracy: ± (1.5% of range + 2% of reading)
Including repeatability, non-linearity, and
calibration uncertainty. At 25 °C and 1013 hPa
Temp. dependence, typical: -0.3% of reading / °C
Pres. dependence, typical: +0.15% of reading / hPa
Long term stability: < ± 5% FS / 2 years
Response time, typical: 30 seconds
Warm up time: 15 minutes
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