Circuit |
Custom one-chip of microprocessor LSI |
Display |
LCD size : 60 mm x 50 mm |
Measurement |
CO2 ( Carbon dioxide ) Humidity and Temperature |
Unit |
• CO2 ppm
• Humidity %RH
• Temp.,°C,°F |
CO2 Sensor Structure |
NDIR |
Response Time for CO2 measurement |
CO2 :
< 2 min. typically.
• Reach the 63% reading value
• Depend the environment air circulation. |
Temperature Compensation |
Automatic temp. comp ensation for CO2 measurement. |
Datalogger Sampling Time |
5/10/30/60/120/300/600 seconds
or Auto.
• Default sampling time is 60 seconds.The ” Auto ” sampling . means when the measuring value is changed ( > ± 1 %RH or > ± 1 or ± 50 ppm ) will save the data one time only. |
Data error no. |
≦ 0.1 % no. of total saved data typically. |
Memory Card |
SD memory card. 1 GB to 16 GB. |
Advanced setting 1 |
• SD memory card Format
• Set clock time ( Year/Month/Date, Hour/Minute/Second )
• Set sampling time
• Set beeper sound ON/OFF
• Set SD card Decimal character
• Select the Temp. unit to °C or F°
• Set RS232 data output ON/OFF |
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