Gas ( CO / CO2 ) / Air quality

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

Features : Real-Time Data of PM2.5, CO2, temperature & humidity. / Anti-condensation and nicer long-term stability.
Input : Temperature MEMS / Humidity MEMS / CO2 NDIR / PM2.5 Infrared LED
Output : RS-485
Accuracy : Temperature ± 0.5 °C / Humidity ± 5 %RH ( at 30 ... 80 %RH ) /
CO2 ± 40 PPM ± 3 % of Reading / PM2.5 ± 10 μg/m3 ± 5% of Reading
Measuring Range : Temperature 0 ... 50 °C / Humidity 0 ... 100 %RH ( non-cond. ) /
CO2 0 ... 2000 PPM / PM2.5 0 ... 500 μg/m3
Display : Optional

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 )

Input：CO2 NDIR sensor / Temp. & humidity MEMS sensor
Output：0 ... 5 V / 0 ... 10 V / 4 ... 20 mA
Accuracy(at +25°C；DC 24 V；101.3 kPa)：
CO2±40 PPM±3% of reading / Temperature±0.5°C / Humidity±5%RH(30 ... 80% RH)
Measuring range：0 ... 2000 PPM / 0 ... 50℃ / 0 ... 100%RH(Non-condensing)
Display：Optional

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

Output：RS-485 / Voltage signal terminal CO2
Measuring range：0 … 2,000 PPM CO2(Option：50,000 PPM)
Accuracy：±40 PPM±3% of reading(at 25°C)
IP rating：IP65

Output：0 ... 5 V corresponding to 0 ... 20 vol.% CO2
Measuring range：0 ... 20%vol.(0 ... 5 V) / 0 ... 30%vol.(RS-485)
Accuracy：±0.2%vol.CO2±3% of measured value