Vaccine Thermometer Glycol Bottle Probe Refrigerator Freezer Thermometer

Introduction:
VT-10 vaccine thermometer comes with external/internal dual temperature measurement function, LCD screen, the minimum/maximum memory, high/low alarm setting, etc. The external sensor length is 3 meters long and has a glycol bottle to minimize the impact of rapid or fluctuate temperature measuring from happening. Mainly used for medical refrigerators, food freezers and other equipment.

Features:
- External/internal dual temperature measurement function
- High/low alarm setting
- Switchable internal/external temperature display
- Maximum/minimum memory
- LCD display with backlight
- Switchable ℉/℃ scale function
- Low battery indication function
- With folding bracket and magnetic function

Performance parameters:
- Internal temperature range: -20℃ ~ 50℃ （-4℉ ~ 122℉）
- External temperature range: -50℃ ~ 70℃ （-58℉ ~ 158℉）
- Accuracy: ±0.5℃ (-20℃ ~ 40℃)/±1℉(-4℉ ~ 104℉)
±1℃ (-50℃ ~ -20℃， 40℃ ~ 70℃)
±2℉(-58℉ ~ -4℉, 104℉ ~ 158℉)
- Sampling period: 10s
- Display resolution: 0.1℃/0.1℉
- Display size: 49mm * 22mm
- Body size: 90mm * 50mm* 18mm
- External sensor specifications: 41mm L x 20mm DIA
- Sensor buffer: Propylene Glycol(food grade)
- External sensor size: 3m * 1.9mm
- Battery: CR2450
- Battery life: 3000h (without backlight use)

Instruction for use:
- MAX/MIN button: Short press this key to display the temperature maximum/minimum. The “MAX”/“MIN” mark flashing, and 85 no key operation will exit. When the temperature maximum/minimum value is displayed, other keys are invalid.
- Long press this key to clear the maximum/minimum value.
- IN/OUT button: Short press this button to switch the display of internal/external temperature.
- ALARM button: Short press the button to activate / deactivate the alarm function. Long press the key to enter the temperature alarm upper/lower limit setting; In the “HI” / “LOW” flag flashes mode, short press the “C / F” button, the alarm upper limit is incremented by “1” Until the “C/F” button is released; The set value to change from -50 to 70 cycles.
- Backlit button: Press the button, the backlight lit; Release this key, backlight off.
- C/F button: In normal temperature measurement state, short press this button for ℃/℉ temperature unit switch.
- In the temperature alarm upper/lower limit setting state, short press / long press this button to set the alarm value.

Note: If the device appears low battery, do not continue to use, replace the battery as soon as possible. Please do not pull out the external sensor.