1. ບົດແນະນຳ
This manual provides essential instructions for the safe and effective operation of the CONTEC TP500(LED) Non-Contact Infrared Thermometer. This device is designed for accurate and rapid temperature measurement without physical contact, suitable for infants, children, and adults. Please read this manual thoroughly before use and retain it for future reference.

Figure 1: CONTEC TP500(LED) Non-Contact Infrared Thermometer.
2. ຂໍ້ມູນຄວາມປອດໄພ
- ຢ່າເອົາເຄື່ອງວັດແທກອຸນຫະພູມຢູ່ໃນນໍ້າ ຫຼືຂອງແຫຼວອື່ນໆ.
- Keep the device away from direct sunlight, extreme temperatures, and high humidity.
- ຫຼີກລ້ຽງການວາງອຸປະກອນລົງ ຫຼືຖືກຜົນກະທົບທີ່ຮຸນແຮງ.
- ຢ່າພະຍາຍາມຖອດປະກອບ ຫຼືສ້ອມແປງອຸປະກອນດ້ວຍຕົນເອງ. ຕິດຕໍ່ຝ່າຍຊ່ວຍເຫຼືອລູກຄ້າຖ້າຕ້ອງການການບໍລິການ.
- ຮັກສາຫມໍ້ໄຟໃຫ້ໄກຈາກເດັກນ້ອຍ. ຖິ້ມແບັດເຕີລີທີ່ໃຊ້ແລ້ວໃຫ້ຖືກຕ້ອງຕາມລະບຽບທ້ອງຖິ່ນ.
- This device is intended for household use. Consult a medical professional for any health concerns or persistent fever.
- Ensure the measurement probe is clean before each use to maintain accuracy and hygiene.
3. ຄຸນລັກສະນະຂອງຜະລິດຕະພັນ
- ການວັດແທກທີ່ບໍ່ແມ່ນການຕິດຕໍ່: Measures temperature without physical contact, reducing discomfort and potential cross-contamination.
- Precise Infrared Probe: Utilizes an advanced infrared sensor for accurate and rapid temperature readings within 1 second.
- ຈໍສະແດງຜົນ LED ຂະຫນາດໃຫຍ່: Clear and easy-to-read LED display, visible even in low light conditions or at night.
- ຟັງຊັນຫນ່ວຍຄວາມຈໍາ: Stores up to 30 groups of measurement values, allowing for easy tracking of temperature trends.
- Fever Warning: Intelligent sound and light prompts indicate different temperature levels (normal, low fever, high fever) for quick assessment.
- ປິດອັດຕະໂນມັດ: Device automatically turns off after 5 seconds of inactivity to conserve battery life.
- ການປ່ຽນຫົວ ໜ່ວຍ: Easily switch between Celsius (°C) and Fahrenheit (°F) as preferred.
- ຕົວຊີ້ວັດແບັດເຕີຣີຕໍ່າ: ແຈ້ງເຕືອນຜູ້ໃຊ້ເມື່ອຕ້ອງການປ່ຽນແບັດເຕີຣີ.

Figure 2: Understanding the display indicators.
4. ຕັ້ງຄ່າ
4.1 ການຕິດຕັ້ງຫມໍ້ໄຟ
- ວາງຝາປິດຊ່ອງໃສ່ແບັດເຕີຣີໄວ້ທີ່ດ້າມຈັບຂອງເຄື່ອງວັດແທກອຸນຫະພູມ.
- Slide or open the cover according to the indicator marks.
- Insert two "AAA" batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- ປິດຝາປິດຊ່ອງໃສ່ແບັດໄວ້ຢ່າງປອດໄພຈົນກວ່າມັນຈະກົດໃສ່ບ່ອນ.
Note: The package does not contain batteries. Please use two new "AAA" batteries for optimal performance.
5. ຄໍາແນະນໍາການດໍາເນີນງານ
5.1 ການວັດແທກ
- Ensure the thermometer is clean and dry.
- Press the power button to turn on the device. The LED display will light up.
- Position the thermometer 1-3 cm (approximately 0.4-1.2 inches) from the center of the forehead. Ensure there is no hair, sweat, or cosmetics obstructing the measurement area.
- Press the measurement button (trigger) once. The temperature reading will appear on the LED display within 1 second.
- The device will provide sound and light prompts based on the measured temperature.
- The measurement will be automatically saved to the device's memory.

Figure 3: Proper measurement distance and placement on the forehead.
5.2 Switching Between Celsius (°C) and Fahrenheit (°F)
- ເປີດບາຫຼອດ.
- Long press the "M" (Memory) button to enter the memory interface.
- While in the memory interface, long press and hold the "M" button again to enter the setting mode.
- Press the "M" button briefly to toggle between Celsius (°C) and Fahrenheit (°F).
- Once your desired unit is displayed, release the button. The setting will be saved automatically.

Figure 4: Celsius and Fahrenheit unit conversion.
5.3 ຟັງຊັນ ໜ່ວຍ ຄວາມ ຈຳ
The CONTEC TP500(LED) thermometer automatically stores the last 30 temperature readings. To view ການວັດແທກທີ່ຜ່ານມາ:
- ເປີດບາຫຼອດ.
- Briefly press the "M" (Memory) button to cycle through the stored readings. Each press will display the next stored value.

Figure 5: Memory function displaying temperature trends.
6. ບໍາລຸງຮັກສາ
6.1 ການທໍາຄວາມສະອາດ
- Wipe the thermometer body with a soft, slightly damp ຜ້າ.
- For the infrared probe, gently clean with a cotton swab lightly moistened with 70% isopropyl alcohol. Allow it to dry completely before use.
- ຢ່າໃຊ້ເຄື່ອງເຮັດຄວາມສະອາດຂັດ, ສານລະລາຍ, ຫຼືແຊ່ອຸປະກອນໃນນ້ໍາ.
6.2 ການເກັບຮັກສາ
- Store the thermometer in a cool, dry place, away from direct sunlight, extreme temperatures, and high humidity.
- If the device will not be used for an extended period (e.g., more than one month), remove the batteries to prevent leakage and potential damage.
7. ການແກ້ໄຂບັນຫາ
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ອຸປະກອນບໍ່ເປີດ. | ຫມໍ້ໄຟແມ່ນຕາຍຫຼືໃສ່ບໍ່ຖືກຕ້ອງ. | Replace batteries with new "AAA" batteries, ensuring correct polarity. |
| ການອ່ານບໍ່ຖືກຕ້ອງ. | Measurement distance too far or too close; dirty probe; environmental interference. | Ensure correct measurement distance (1-3 cm). Clean the infrared probe. Avoid measuring in areas with strong drafts or extreme temperature changes. |
| Cannot switch temperature units. | ລຳດັບປຸ່ມບໍ່ຖືກຕ້ອງ. | Follow the steps in section 5.2 carefully: Turn on, long press 'M' to memory, then long press 'M' again to setting mode, brief press 'M' to toggle. |
| ຈໍສະແດງຜົນ "Lo" ຫຼື "Hi". | ອຸນຫະພູມຢູ່ນອກຂອບເຂດທີ່ວັດແທກໄດ້. | Ensure the thermometer is used within its specified operating temperature range. If measuring body temperature, ensure proper placement and that the subject's temperature is within the human body temperature range. |
8. ຂໍ້ມູນຈໍາເພາະ
- ຕົວແບບ: TP500
- ວິທີການວັດແທກ: ອິນຟາເຣດແບບບໍ່ສຳຜັດ
- ໄລຍະທາງການວັດແທກ: 1-3 ຊຕມ
- ຈໍສະແດງຜົນ: LED
- ການເກັບຮັກສາຄວາມຈໍາ: 30 ກຸ່ມ
- ປິດອັດຕະໂນມັດ: 5 ວິນາທີ
- ແຫຼ່ງພະລັງງານ: 2 x ຫມໍ້ໄຟ AAA (ບໍ່ລວມ)
- ຊີວິດຫມໍ້ໄຟ: ປະມານ 600 ການວັດແທກ
- ຄຸນນະສົມບັດພິເສດ: Low Battery Indicator, Fever Warning
- ວັດສະດຸ: ພາດສະຕິກ
- ສີ: ສີຂາວ
- ຂະໜາດ: Approximately 162mm (Height) x 113mm (Length) x 51mm (Width)

ຮູບທີ 6: ຂະໜາດຜະລິດຕະພັນ.
9. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
The CONTEC TP500(LED) Non-Contact Infrared Thermometer comes with a one-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.
For warranty claims, technical support, or any questions regarding the product, please contact CONTEC customer service. You can typically find contact information on the product packaging or through the official CONTEC webເວັບໄຊ.
For purchases made on Amazon, you may also contact the seller, CONTEC, directly through your Amazon order history for assistance.





