Did you know that Comet exists in a US version as well?

This website is using cookie files for provision of services, personalization of advertising and for analysing of visit rate.
By using this site you agree to our use of cookies. More information

manufacturer of measuring instruments
English Česky USA Polski Sweden Africa Magyar Español China Français

Thermometer with Ethernet interface and relays

Ambient temperature Ethernet sensor with two relay outputs.

Sensor H0530 is designed for online monitoring of temperature. Three binary inputs to detection of two-states signals are the advantage. Other devices are controlled by two relay outputs.


  • code
  • Warranty
    3 years

Technical data

Measured value

Two-state signal


Measuring range -30 to +80 °C
Accuracy ±0.4 °C
Resolution 0.1 °C


Quantity 2
Maximal voltage 50 V
Maximal current 2 A
Maximal power 60 VA


Quantity 3
Signal for binary inputy dry contact, open collector or two-state voltage signal.
Inputs are not galvanically isolated.
Minimum pulse duration on binary input 500 ms
Voltage across open contact < 3,3 V
Low voltage level 0 to +0,5 V
High voltage level +3,0 to +30 V


Operating temperature -30 to +80 °C
Channels internal temperature sensor
Acoustic alarm from built-in beeper - switchable
Output Ethernet
Measuring interval 2 s
Available temperature units degrees Celsius, degrees Fahrenheit
Communication protocol WWW, ModbusTCP, SNMPv1, SOAP, XML
Alarm protocols E-mail (SMTP authentication is supported), SNMP Trap, Syslog
Power 9-30 Vdc
Protection class IP40
Dimensions 136 x 191 x 45 mm; stem length 53 mm
Weight approx. 340 g
Warranty 3 years

WebSensor "H" Demo