H6520 Temperature, humidity, CO2 level sensor with two output relays

H6520

Comet System

New

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.

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Sensor H6520 is designed for online monitoring of temperature, relative humidity 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.

Building management
The CO2 - carbon dioxide level is recently regarded as an important parameter that substantially determines the quality of the interior climate. Especially in buildings where many people gather, such meeting rooms, hospitals, schools, cinemas, theatres and care centres. With the help of CO2 sensor engineers, technical advisors, environmental experts and health specialists can optimize the ventilation for creation of a healthy interior climate.

Technical parametersValue
Output Ethernet
Measured Value CO2 + Relative humidity + Temperature
Construction Type Ambient Air
Design Industrial
Temperature Measuring Range -30 to +60°C
Relay Output Yes
Two-State Input No
Lcd Display Yes
PoE No
Range of CO2 concentration measurement 0 to 2000ppm
Accuracy of CO2 concentration measurement ±(50ppm +2% from reading) at 25°C and 1013hPa
Optional range of CO2 concentration measurement 0 to 10000ppm ±(100ppm +5% from reading) at 25°C and 1013hPa
Relative humidity range 0 to 100%
Accuracy of relative humidity measurement ±2.5% relative humidity from 5 to 95% at 23°C
Accuracy of temperature output ±0.4°C
Resolution 0.1°C, 0.1%RH, 1ppm
Measuring interval of temperature and relative humidity 2s
Measuring interval of CO2 15s
Available temperature units degrees Celsius, degrees Fahrenheit
Computed values dew point, absolute humidity, specific humidity, mixing ratio, specific enthalpy
Accuracy and range of dew point temperature output - for more details see graphs in manual ±1.5°C at ambient temperature T<25°C and RH>30%
range -60 to +80°C
Accuracy and range of absolute humidity output ±1.5g/m3 at ambient temperature T < 25°C
range 0 to 400g/m3
Accuracy and range of specific humidity output ±2g/kg at ambient temperature T < 35°C
range 0 to 550g/kg
Accuracy and range of mixing ratio output ±2g/kg at ambient temperature T < 35°C
range 0 to 995g/kg
Accuracy and range of specific enthalpy output ±3kJ/kg at ambient temperature T < 25°C
range: 0 to 995kJ/kg
Temperature compensation of the humidity sensor all temperature range
Temperature operating range -30 to +60°C
IP protection IP30
Number of relay outputs 2
Maximum switching voltage, current and power of relay output 50V, 2A, 60VA
Audible alarm built-in beeper - switchable
LAN connection RJ-45 connector, 10Base-T or 100Base-TX
Communication protocols WWW, ModbusTCP, SNMPv1, SOAP
Alarm protocols E-mail (SMTP authentication is supported), SNMP Trap, Syslog
Configuration T-Sensor, Telnet, keyboard
Power 9 to 30Vdc, power consumption approximately 1W
Power connector co-axial, diameter 5.5 x 2.1mm
Dimensions 136 x 213 x 45mm (W x H x D), stem length 75mm
Weight approximately 340g
Warranty 2 years
ac/dc adapter 230Vac to 12Vdc/0.5A
code: A1515
ac/dc adapter 230Vac to 12Vdc/0.5A
plastic sensor protection with stainless filter (gray)
code: F5200
plastic sensor protection with stainless filter (gray)
PTFE sensor protection, white
code: F5300
PTFE sensor protection, white
sintered bronze sensor cover
code: F0000
sintered bronze sensor cover
Vessel for adjustment and calibration of humidity
code: MD046
Vessel for adjustment and calibration of humidity
Humidity Standard 10%RH, set 5pcs
code: HM023
Humidity Standard 10%RH, set 5pcs
Humidity Standard 80%RH, set 5pcs
code: HM024
Humidity Standard 80%RH, set 5pcs
Tool for easy connection to WAGO terminals 233 for serial output transmitters
code: SP006
Tool for easy connection to WAGO terminals 233 for serial output transmitters
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code: TL-POE
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code: TP-LINK-TL
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