DROK -20 to +100 Digital Thermometer, DC 4-28V Indoor Outdoor Thermometer with Dual LED Display, High Accuracy Digital Temperature Gauge Tester with 2 Waterproof NTC Temperature Sensor Probe
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Last refresh Feb/11/2019 08:27 AM
Refresh speed: 1s/times
Power supply: DC4-28V
Measuring accuracy: 1
Measuring range: -20 to +100
Operating temperature: -40 to +80
Sensor type: 1M NTC waterproof metal probe
Display: 0.28 LED
Min. resolution: 0.1
DC power supply: This product needs DC 4-28V power supply.
The red wire is connected to the positive side of power supply and the black wire is connected to the negative side of power supply.
This product has anti-burning circuit when reverse connecting. Please do not connect to AC 220V.
Display illustration: when you put off the temperature sensor, the LED display will display "---". When the temperature is lower than -20 or higher than 100, the LED display will display "---".
Normal temperature measuring range is -20 to +100, the resolution is 0.1, the accuracy is 1.
Test the inside/outside temperature of car
Test the inside/outside temperature of air-conditioned room
Test the inside/outside temperature of refrigerator
Test the temperature of fish pond
1* Digital Thermometer
2* NTC Metal Temperature Sensor
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