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Wireless thermometer with built-in sensor and with pulse counting input, IoT Sigfox

The device measures the temperature from the built-in sensor with the possibility of installation directly into the measured space thanks to IP65 protection. The sensor also has a read input that is connectable to all energy meters with pulse output. When connected to a suitable sensor on the production line, it can count e.g. pieces produced or be used to measure the average frequency of the input pulses (suitable e.g. for measuring wind speed when the input is connected to an anemometer).

The measured values are sent in an adjustable time interval (10 min to 24 h) by radio transmission in the Sigfox network to the COMET Cloud, from which the user can view them using a personal computer or mobile device.

The instrument can monitor up to 2 alarm limits of the measured variable. Exceeding these limits is indicated by sending an emergency message. COMET Cloud transmits this alarm message via e-mail to the selected user. The device is suitable for applications that tolerate the delay of information delivered by Sigfox (max. 10 min).


  • wireless transmission of measured values and alarm states
  • battery power (battery life 1 year to 10 years)
  • LED indication of device status
  • remote setting of the device from COMET Cloud (maximum once a day)
  • IP65
  • traceable calibration certificate in accordance with EN ISO / IEC 17025

The availability of Sigfox network in a particular location

Check your Sigfox network availability before you buy your device. COMET devices in the Sigfox network can be used anywhere in the RC1 zone. Learn more about Sigfox (RC) Radio Zones.

  • Art nr
  • Garanti
    3 År

Tekniska specifikationer




Measuring range -30 to +60 °C
Accuracy ±0.4 °C
Resolution 0.1 °C
Response time t90 < 10 min (temperature step 20 °C, air flow approximately cca 1 m/s)


HW counter range 24 bits (16 777 215)
Connectable pulse source Voltage-free contact, open collector, voltage signal
Input voltage for the „L 0 to 0.6 V
Input voltage for the „H“ 1.8 to 30 V
Maximum pulse frequency 60 Hz
Minimum lenght of input pulse 6 ms
Adjustable counter output absolute counter (total number of pulses), relative counter (difference in the number of pulses per recording interval), relative counter peaks (minute peaks)
Alarm functions available only for relative counter
Connection method 2 wired shieldied cable width lenght of 1.5 m


Operating temperature -30 to +60 °C
Channels built-in temperature sensor, counter input
"Message transmission interval adjustable 10 minutes, 20 minutes, 30 minutes,1 hour, 3 hours, 6 hours, 12 hours, 24 hours"
Operating frequency 868 MHz
Maximum transmission power 25mW
Sigfox radiation class 0U
Radio configuration zone RC1 (operation is possible in Europe, Iran, Oman and South Africa)
Typical range of transmitter 50 km in the field, 3 km in the city
Power Lithium battery 3.6 V, C size
Protection class IP20
Dimensions 126 x 89 x 40 mm
Weight (including batteries) 250g
Warranty 3 years


Sending interval 10 minutes 20 minutes 30 minutes 1 hour 3 hours 6 hours 12 hours 24 hours
1x lithium battery A4206 - 8500mAh 1 year 2 years 3 years 6 years 10 years > 10 years > 10 years > 10 years