Remote CO2 concentration thermometer hygrometer with Ethernet interface and two relays
BRAND
Temperature, humidity, CO2 level sensor with two output relays. Humidex reading.
Sensor H6520 is designed for online monitoring of temperature, relative humidity and CO2 of air without aggressive substances. Other devices are controlled by two relay outputs.
High precision capacitive polymer sensor ensures excellent long term calibration stability and ultimate accuracy. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio and specific enthalpy.
The CO2 measurement is based on a 2-source, 2-beam process. CO2 measurement with long-term stability is guaranteed thanks to the proven non-dispersive infrared (NDIR) CO2 measurement cell. The unique patented auto-calibration procedure compensates for aging of the infrared source and guarantees high reliability, long term stability and eliminates the need of periodical recalibration in the field.
The CO2 concentration is shown on the display or signaled by a color LED.
Processing and analysis of measured data:
- online in COMET Cloud
- COMET Database software
- integration into 3-party systems
Extended measuring range available for an additional charge
- Measuring range: 0 to 10 000 ppm
- Accuracy: 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
Ethernet
Ethernet
Measuring interval
2 s; CO2 15 s
2 s; CO2 15 s
Available temperature units
degrees Celsius, degrees Fahrenheit
degrees Celsius, degrees Fahrenheit
Communication protocol
WWW, ModbusTCP, SNMPv1, SOAP, XML
WWW, ModbusTCP, SNMPv1, SOAP, XML
Alarm protocols
E-mail (SMTP authentication is supported), SNMP Trap, Syslog
E-mail (SMTP authentication is supported), SNMP Trap, Syslog
Power
9-30 Vdc
9-30 Vdc
Protection class
IP30
IP30
Dimensions
136 x 213 x 45 mm; stem length 75mm
136 x 213 x 45 mm; stem length 75mm
Weight
approx. 340 g
approx. 340 g
Warranty
3 years
3 years
code
H6520
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