Gas ( CO / CO2 ) / Air quality

Features : Data can be logged and transferred to pc via RS-485 function link free software. 1 analog output or Modbus RS-485. Optional LCD display.
Input : NDIR sensor
Output : 0 ... 5 V / 0 ... 10 V / 4 ... 20 mA
Accuracy ( at +25 °C ；101.3 kPa ) : ± 40 PPM ± 3 % of reading
Measuring Range : 0 ... 2000 PPM
Display : Optional
●Additional option (ILAC/TAF) Test report - Standard Calibration laboratory(Leb number: 3032)

Features : Integrated 3 sensors in 1 device with optional LCD display Measuring temperature, humidity and carbon dioxide.2 Analog outputs or Modbus RS-485.Optional Analog output + RS-485.
Input : CO2 NDIR sensor / Temp. & humidity MEMS sensor
Output : 0 ... 5 V / 0 ... 10 V / 4 ... 20 mA
Accuracy ( at +25 °C ；V = 24 VDC；101.3kPa ) :
CO2 ± 40 PPM ± 3 % of reading / Temperature ± 0.5 ℃ /
Humidity ± 5 % RH ( 30 ... 80 % RH )
Measuring Range : CO2 0 ... 2000 PPM / Temp. 0 ... 50 ℃ /
Humidity 0 ... 100 %RH ( non-cond.)
Display : Optional
●Additional option (ILAC/TAF) Test report - Standard Calibration laboratory(Leb number: 3032)

Features : Measuring up to 10000 PPM.Voltage or current output and optional RS-485, and display.Free software configuration
Input : NDIR sensor
Output : 4 ... 20mA / 0 ... 20mA / 0 ... 10V / 0 ... 5V / 0 ... 1V
linear accuracy ( at +25 °C ) :
400 ... 2000 PPM：± 40 ppm ± 3 % of reading /
other : ± 50 PPM ± 3 % of reading
measuring range : 2000 / 5000 / 10000 PPM
Display : Optional
●Additional option (ILAC/TAF) Test report - Standard Calibration laboratory(Leb number: 3032)

Features : Electrochemical Sensor with a long life,good long term stability and high accuracy. It has lower sensitivity to interferant gases.
Input : Electrochemistry CO Sensor
Output : 0~1V / 0~5V / 0~10V / 1~5V / 0~20mA /
4~20mA ; RS-485；RS-485 & analogue
linear accuracy ( at 25 ± 2 ℃, 40 ± 10 % RH ) :
± 3 % of F.S. ( best zero-point )
Measuring range : on request
●Additional option (ILAC/TAF) Test report - Standard Calibration laboratory(Leb number: 3032)

Features : Real-Time Data of PM2.5, CO2, temperature & humidity. / Anti-condensation and nicer long-term stability.
Input : Temp.&Humidity MEMS / CO2 : NDIR / PM2.5: Infrared LED
Output : RS-485
Accuracy : ± 0.5 ℃ / ± 5 %RH ( at 30 ... 80 %RH ) /
CO2 ± 40 PPM ± 3 % of Reading / PM2.5 ± 10 μg/m3 ± 5% of Reading
Measuring Range : Temp.: 0 ... 50 ℃ / Humidity :0 ... 100 %RH ( non-cond. ) /
CO2: 0 ... 2000 PPM / PM2.5: 0 ... 500 μg/m3
Display : Optional
●Additional option (ILAC/TAF) Test report - Standard Calibration laboratory(Leb number: 3032)