Temperature, humidity, CO2 transmitter with two relay and RS485 outputs
BRAND
Temperature, humidity, CO2 level sensor with two output relays.
Green LED shines – CO2 concentration 0 to 1000 ppm
Yellow LED shines – CO2 concentration 1001 to 1200 ppm
Red LED shines – CO2 concentration 1201 ppm and more
Optional CO₂ measuring range extension from the standard 0 to 5,000 ppm up to 0 to 10,000 ppm (available at extra cost):
- Extended measuring range: 0 to 10 000 ppm
- Accuracy in extended range: 100 ppm + 5% of the measured value at 25 °C and 1013 hPa
Technical data
Measured value
Temperature
Relative humidity
Counted values (dew point…)
CO2
TEMPERATURE SENSOR
Measuring range
-30 to +80 °C
-30 to +80 °C
Accuracy
±0.4 °C
±0.4 °C
Resolution
0.1 °C
0.1 °C
HUMIDITY SENSOR
Measuring range
0 to 100 % RH
0 to 100 % RH
Accuracy
±2.5 % RH from 5 to 95 % at 23 °C
±2.5 % RH from 5 to 95 % at 23 °C
Resolution
0.1% RH
0.1% RH
DEW POINT
Measuring range
-60 to +80 °C
-60 to +80 °C
Accuracy
±1.5 °C at ambient temperature T <25 °C and RH >30 %
±1.5 °C at ambient temperature T <25 °C and RH >30 %
Resolution
0.1 °C
0.1 °C
CO2 SENSOR
Measuring range
0 to 5000 ppm
0 to 5000 ppm
Accuracy
±(50ppm +3% from reading) at 25°C and 1013hPa
±(50ppm +3% from reading) at 25°C and 1013hPa
Resolution
1 ppm
1 ppm
RELAY OUTPUTS
Quantity
2
2
Maximal voltage
50 V
50 V
Maximal current
2 A
2 A
Maximal power
60 VA
60 VA
GENERAL TECHNICAL DATA
Operating temperature
-30 to +60 °C
-30 to +60 °C
Channels
internal temperature, humidity and CO2 sensor
internal temperature, humidity and CO2 sensor
Counted values
dew point, absolute humidity, specific humidity, mixing ratio, specific enthalpy
dew point, absolute humidity, specific humidity, mixing ratio, specific enthalpy
Acoustic alarm
from built-in beeper – switchable
from built-in beeper – switchable
Output
RS485
RS485
Range of humidity sensor temperature compensation
all temperature range
all temperature range
Available temperature units
degrees Celsius, degrees Fahrenheit
degrees Celsius, degrees Fahrenheit
Communication protocol
ModBus RTU and Advantech ADAM compatible protocol
ModBus RTU and Advantech ADAM compatible protocol
Power
9-30 Vdc
9-30 Vdc
Protection class
IP30 electronics; IP40 sensors
IP30 electronics; IP40 sensors
Dimensions
136 x 213 x 45 mm; stem length 75mm
136 x 213 x 45 mm; stem length 75mm
Weight
approx. 360 g
approx. 360 g
Warranty
3 years
3 years
code
H6420
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