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Optosense LLC USER MANUAL
Design department MIPEX-04 ULTRA-LOW POWER INFRARED GAS SENSOR
ESAT.100000.00.02 UM Revision 02 December 12th, 2016 Page 13 of 41
THE SOLE PROPERTY OF OPTOSENSE LLC. ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED.
6.4. Getting started

If “INDSIG” mode is active, during first 40 seconds after the power is up sensor
does not return the measured concentration value (the value is displayed as “-
1”, hex: “8001”, see Table 12).

When the measurement range is exceeded, concentration value is displayed
as “32767” (hex: “7FFF”).

Sensor updates information about concentration every 1.32
± 0.04 seconds
(depends on ambient temperature and whether UART is active or not).

Correct measurement is provided when ambient temperature changes not
faster than 0.6 °C/min.
Switching on/off sensor is performed automatically upon feeding/disconnecting power
supply.
After sensor is installed into end-user equipment check its status by sending command
<DATAE2> via UART interface:

for <DATAE2> command description see Appendix C.2.1;

for response description and recommendations see Table 10.
Sensor span calibration and zeroing should be performed next. Methods of sensor span
calibration and zeroing are given in Appendix D.1.