Air quality

Sensor type：NDIR sensor
Output：4 ... 20 mA / 0 ... 10 V
linear accuracy(at +25°C)：400 ... 2000 PPM：±40 PPM ±3% of reading / 2000 ... 10000 PPM：±250 PPM ±3% of reading
Measuring range : 2000 / 5000 / 10000 PPM
Display : Optional

Input：CO2 NDIR sensor / Temp. & humidity MEMS sensor
Output：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)

Input：NDIR sensor
Output：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

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-condensing) /
CO2 0 ... 2000 PPM / PM2.5 0 ... 500 μg/m3

Output：RS-485 / 0 … 10 V / 4 … 20 mA
RS-485：Digital output with Modbus RTU protocol, 0 ... 6000 PPM​
Measuring range：0 … 2,000 / 0 … 5,000 / 0 … 20,000 (PPM) (Max.：50,000 PPM)
Accuracy：±40 PPM±3% of reading(at 25°C)
IP rating：IP54(Clamp)；IP65(Flange)

Feature：Electrochemical Sensor with a long life, good long term stability and high accurac
Sensor type：Electrochemistry CO Sensor
Output：0 ... 10 V / 4 ... 20 mA / RS-485 / RS-485 & analog
linear accuracy (at25 ±2℃, 40 ±10% RH )：± 3 % of F.S. (Best zero-point)
Measuring range：On request
Operating range：0 ... 500 PPM

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