ITEM NAME:TM803 LCD Fridge Refrigerator Medicine Box Freezer Digital Alarm Sensors Meter Product Description Description: TM803 Large LCD Display Fridge Refrigerator Medicine Box Freezer Digital Alarm Sensors Temperature Thermometer Meter Waterproof Medical Thermometer Features: 1. Large screen indoor/outdoor temperature measurement 2. ℃/℉ display 3. Large/Small Temperature Memory 4. High/Low Temperature Alarm Settings for External Sensors 5. Folding bracket, back magnetism 6. Sealed waterproof external sensor, 3 m/9.84 ft cable 7. Suitable for measuring temperature in refrigerator, fish tank or medicine box 8. Sensor bracket and double-sided sticker can solve the problem of external sensor fixing in window, wall or refrigerator surface The alarm setting steps are as follows: The default alarm value for each new battery installation is -1℃ for HIGH and 4℃ for LOW. 1. Hold down the "ALARM SET" button for more than 2 seconds, and the "HIGH OUT" high-point temperature setting appears on the screen. (-1.0); press the ℃/℉ key,the numbers are converted in cycles of one rise per time until they reach the high temperature you need. 2. After setting the temperature at the high temperature point, press the "ALARM SET" button again, the screen appears "LOW OUT" and the low temperature is set to 4 degrees; press the ℃/℉ key, and the number is changed in a circle every time you press the "ALARM SET" button until it reaches the bottom temperature you need; and finally press the "ALARM SET" button again, and the setting is completed. Specifications: Measuring temperature range: Indoor: -10℃-50℃ (Â ±1℃) /14℉-122℉(Â ±1.8℉) Outdoor: -50℃-70℃ (Â ±1℃) /-58℉-158℉(Â ±1.8℉) Sampling rate: 1 second per time Material: ABS Long-distance measurement: external sensor line length 3 m/9.84 ft Power supply: 1.5V AAA Battery(not included) Size: 70*50*14mm/2.76*1.97*0.55" Weight: 48g Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the c.Sensor bracket and double-sided sticker can solve the problem of external sensor fixing in window, wall or refrigerator surface. High/Low Temperature Alarm Settings for External Sensors. Hold down the "ALARM SET" button for more than 2 seconds, and the "HIGH OUT" high-point temperature setting appears on the screen.
