H3020 Transmitter for temperature and humidity with two relay outputs

Comet System

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Humidistat, thermostat with two relay outputs. Outdoor, indoor use.

Built-in relative humidity, temperature sensors. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy.

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Humidistat is designed for two-state control of e.g. heating, ventilation, humidifier, dehumidifier, etc. 
Transmitter is equipped with two relay outputs for alarm indication or control of external devices. Each relay can be assigned to any measured or computed value. For each relay setting of delay, hysteresis, audible alarm is enabled. 
Measured temperature and relative humidity is recalculated to other humidity interpretations - dew point temperature, absolute humidity, specific humidity, mixing ratio or specific enthalpy. 
Parameters are easy adjustable from regulator keyboard or from the computer. Large dual line LCD for simultaneous display of temperature, relative humidity or other calculated humidity interpretation is an advantage. 
State-of-the-art capacitive polymer sensor ensures excellent calibration long term stability, inertia against water and condensation. Transmitter is designed for use in non-aggressive environment.

HUMIDISTAT APPLICATIONS

- temperature and humidity control
- monitoring of temperature, humidity:

  • building management and automation
  • server rooms
  • telecommunication devices
  • warehouses, glasshouses
  • manufacturers
  • museums, archives, galleries
  • air-conditioned rooms, HVAC
  • weather stations

Output None
Measured Value Relative Humidity + Temperature
Construction Type Ambient Air
Design Industrial
Temperature Measuring Range -30 to +80°C
Relay Output Yes
Two-State Input No
Lcd Display Yes
PoE No
Maximum switching voltage, current, power of relay output 50V, 2A, 60VA
Audible alarm from built-in beeper - switchable
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
Available temperature units degrees Celsius, Fahrenheit

Accuracy and range of dew point temperature output -

for more details see graphs

±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 400 g/m3
Accuracy and range of specific humidity output ±2g/kg at ambient temperature T < 35°C
range 0 to 550 g/kg
Accuracy and range of mixing ratio output ±2g/kg at ambient temperature T < 35°C
range 0 to 995 g/kg
Accuracy and range of specific enthalpy output ±3kJ/kg at ambient temperature T < 25°C
range: 0 to 995 kJ/kg
Temperature operating range -30 to +80°C
Temperature operating range of LCD display readable to operating temperature +70°C, it is recommended to switch OFF the LCD over +70°C
Temperature compensation of the humidity sensor all temperature range
Filtering ability of sensor cover 0.025mm - filter with stainless steel mesh
IP protection IP65 electronics, IP40 sensors
Power 9-30Vdc, power consumption approximately 1W
Dimensions 136 x 213 x 45 mm (W x H x D), stem lenght 75mm
Weight approximately 350g
Warranty 2 years
Ac/dc adapter 12V/450mA stabilized
code: A1510
Ac/dc adapter 12V/450mA stabilized
cable for transmitter adjustment via USB port
code: SP003
cable for transmitter adjustment via USB port
plastic sensor protection with stainless filter (gray)
code: F5200
plastic sensor protection with stainless filter (gray)
sintered bronze sensor cover
code: F0000
sintered bronze sensor cover
PTFE sensor protection, white
code: F5300
PTFE sensor protection, white
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
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

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