Note: press the display backlight to turn it off. Strong Wireless Signal: Equipped with wireless transmitter, it features strong wireless signal penetration (433 MHz frequency) and long transmission distance (30 to100 m/98 to 328 ft in open air).
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Display: when take off temperature sensor, digital tube display "---"; when the temperature is lower than -20 centigrade or higher than 100 centigrade, digital tube will also display "---". Display Way: 0.28 LED.
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When set to C (default) the relay will energise when the temperature is reached. Use this setting if connecting to an air-conditioning. When set to H the relay will de-energise when the temperature is reached.
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Digital temperature sensor DS18B20 and sealing sealant with high thermal conductivity ensure high sensitivity and minimal temperature delay of the temperature sensor. The field temperature is transmitted directly in the digital mode of "a line bus", which greatly improves the anti-interference of the system.
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HUMIDITY RANGE: 20%~90%. TEMPERATURE RANGE: -50~ +70°C. Temperature display resolution: 1%.
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1 X Digital Temperature Thermostat. 1 X Black Room Temperature Probe. 1 X Black Evaporator Probe. Alarm: 'LO', 'HI', 'IA', 'cht', 'CHT';. Alarm: "E0", "E1", "E2";. H1=1/2 (only "E0" alarm). Compressor/duty setting/forced cooling;.
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For with backlight choice, it adds touch switch to turn on backlight and max&min record. Backlight: B Type. Humidity Range: 10%RH~99%RH. Temperature Range: -20℃~+70℃/-4℉ ~158℉. Battery: 2pcs AAA battery(NOT INCLUDED).
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DS18B20 Waterproof Temperature Sensor – 1M Digital Probe for Arduino & Electronics. TheDS18B20 Waterproof Temperature Sensor (1M) is a must-have for electronics enthusiasts, DIY makers, and professionals.
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