EXTECH Instruments HW30 HeatWatch Humidity and Temperature Stopwatch User Manual

1. ບົດແນະນຳ

The Extech Instruments HW30 HeatWatch is a multi-function stopwatch designed to provide essential environmental data alongside precise timing capabilities. This device displays digital up/down timer functions, current temperature, humidity, and calculates the heat index, which indicates how hot it feels when humidity is combined with the actual temperature. It is an ideal tool for monitoring conditions in various environments, particularly those with hot weather. Additional features include a 12/24-hour clock, a standard stopwatch, 30 lap/split memory, and a programmable alarm.

2. ຄຸນນະສົມບັດທີ່ສໍາຄັນ

• Multi-function stopwatch with digital display.
• Integrated up/down timer.
• Real-time temperature display.
• Real-time humidity display.
• Heat Index calculation for perceived temperature.
• 12/24-hour clock display.
• Stopwatch function with 30 lap/split memory.
• Programmable alarm function.

3. ເນື້ອໃນຊຸດ

ກວດ​ສອບ​ວ່າ​ທຸກ​ລາຍ​ການ​ຢູ່​ໃນ​ສະ​ພາບ​ທີ່​ດີ​ໃນ​ການ​ເປີດ​ຊຸດ​:

• HW30 HeatWatch Humidity and Temperature Stopwatch
• ສາຍສາກ
• 1 x Lithium Metal Battery (installed or separate)
• ຄໍາແນະນໍາການດໍາເນີນງານ (ຄູ່ມືນີ້)

4. ຜະລິດຕະພັນເກີນview

The HW30 HeatWatch features a robust design with clearly labeled buttons for easy operation and a large LCD for clear readings.

ຮູບ 4.1: ດ້ານຫນ້າ view of the Extech HW30 HeatWatch, showing the display and control buttons.

ຮູບທີ 4.2: ລາຍລະອຽດ view of the HW30 display, indicating humidity (50%), temperature (86°F), and heat index (88°).

4.1. ການຄວບຄຸມແລະການສະແດງ

• ປຸ່ມ START/STOP: Initiates and pauses timing functions.
• ປຸ່ມ MODE: Cycles through different operating modes (Time, Stopwatch, Humidity/Temperature/Heat Index, Alarm).
• LAP/SPLIT/RESET Button: Records lap/split times or resets the stopwatch.
• ປຸ່ມເອີ້ນຄືນ: Accesses stored lap/split memory.
• ຈໍ LCD: Shows time, measurements, and function indicators.

5. ຕັ້ງຄ່າ

5.1. ການຕິດຕັ້ງຫມໍ້ໄຟ

The HW30 HeatWatch requires one Lithium Metal battery for operation. The battery is typically included with the device.

1. ຊອກຫາຝາປິດຊ່ອງໃສ່ຫມໍ້ໄຟຢູ່ດ້ານຫຼັງຂອງໜ່ວຍ.
2. ໃຊ້ໄຂຄວງຂະໜາດນ້ອຍ ຫຼື ຫຼຽນເພື່ອເປີດຊ່ອງໃສ່ແບັດເຕີຣີ.
3. Insert the Lithium Metal battery, ensuring correct polarity (+/-) as indicated inside the compartment.
4. ປ່ຽນຝາປິດຊ່ອງໃສ່ໝໍ້ໄຟ ແລະຮັບປະກັນມັນ.

ໝາຍເຫດ: ຖິ້ມແບັດເຕີລີທີ່ໃຊ້ແລ້ວຢ່າງມີຄວາມຮັບຜິດຊອບຕາມລະບຽບທ້ອງຖິ່ນ.

6. ຄໍາແນະນໍາການດໍາເນີນງານ

This section details the various functions and modes of the HW30 HeatWatch.

Figure 6.1: The HW30 HeatWatch being held, demonstrating its portable and ergonomic design for active use.

6.1. Basic Operation and Mode Selection

ກົດ ໂໝດ ປຸ່ມເພື່ອວົງຈອນຜ່ານຮູບແບບການສະແດງຕໍ່ໄປນີ້:

• ໂໝດເວລາ: Displays the current time (12 or 24-hour format).
• ແບບ Stopwatch: For timing events, including lap/split functions.
• Humidity/Temperature/Heat Index Mode: Shows environmental readings.
• ໂມດແຈ້ງເຕືອນ: For setting and activating the programmable alarm.

6.2. ການກໍານົດເວລາແລະວັນທີ

1. ໃນໂໝດເວລາ, ໃຫ້ກົດຄ້າງໄວ້ ໂໝດ ກົດປຸ່ມຈົນກວ່າຕົວເລກເວລາຈະເລີ່ມກະພິບ.
2. ໃຊ້ ເລີ່ມ/ຢຸດ ປຸ່ມເພື່ອປັບຕົວເລກກະພິບ (ຊົ່ວໂມງ, ນາທີ, ວິນາທີ).
3. ກົດ LAP/SPLIT/RESET button to move to the next digit or setting (e.g., 12/24-hour format, date).
4. ເມື່ອຕັ້ງຄ່າທັງໝົດແລ້ວ, ໃຫ້ກົດປຸ່ມ ໂໝດ button to exit setup.

6.3. Using the Stopwatch Functions

1. Switch to Stopwatch Mode using the ໂໝດ ປຸ່ມ.
2. ກົດ ເລີ່ມ/ຢຸດ ເພື່ອເລີ່ມຕົ້ນການກໍານົດເວລາ.
3. ກົດ LAP/SPLIT/RESET to record a lap or split time. The display will momentarily show the recorded time while the stopwatch continues to run in the background.
4. ກົດ ເລີ່ມ/ຢຸດ ອີກເທື່ອໜຶ່ງເພື່ອຢຸດໂມງຈັບເວລາ.
5. ເພື່ອສືບຕໍ່, ກົດ ເລີ່ມ/ຢຸດ. ເພື່ອຣີເຊັດ, ກົດ LAP/SPLIT/RESET ໃນຂະນະທີ່ໂມງຈັບເວລາຢຸດຊົ່ວຄາວ.
6. To recall stored lap/split times, press the ເອີ້ນຄືນ button in Stopwatch Mode. Use LAP/SPLIT/RESET to scroll through memory.

6.4. Humidity, Temperature, and Heat Index Measurement

The HW30 automatically measures and displays humidity, temperature, and calculates the heat index in the dedicated mode.

1. Switch to Humidity/Temperature/Heat Index Mode using the ໂໝດ ປຸ່ມ.
2. The display will show the current humidity percentage, temperature (in °F or °C), and the calculated heat index.
3. Allow a few minutes for the sensors to stabilize and provide accurate readings, especially when moving the device between environments with different conditions.

6.5. ຕັ້ງຄ່າປຸກ

1. Switch to Alarm Mode using the ໂໝດ ປຸ່ມ.
2. ກົດຄ້າງໄວ້ ໂໝດ ຈົນກວ່າຕົວເລກເວລາປຸກຈະເລີ່ມກະພິບ.
3. ໃຊ້ ເລີ່ມ/ຢຸດ button to adjust the flashing digit (hours, minutes).
4. ກົດ LAP/SPLIT/RESET ປຸ່ມເພື່ອຍ້າຍລະຫວ່າງຊົ່ວໂມງ ແລະ ນາທີ.
5. ເມື່ອຕັ້ງເວລາປຸກທີ່ຕ້ອງການແລ້ວ, ໃຫ້ກົດປຸ່ມ ໂໝດ ປຸ່ມເພື່ອຢືນຢັນ.
6. ເພື່ອເປີດ ຫຼື ປິດການໃຊ້ງານໂມງປຸກ, ກົດປຸ່ມ ເລີ່ມ/ຢຸດ button in Alarm Mode. An alarm icon will appear on the display when activated.

7. ບໍາລຸງຮັກສາ

7.1. ທໍາຄວາມສະອາດ

• ເຊັດ ໜ່ວຍ ດ້ວຍຄວາມອ່ອນ, ດamp ຜ້າ. ຢ່າໃຊ້ເຄື່ອງເຮັດຄວາມສະອາດຂັດຫຼືສານລະລາຍ.
• Ensure the device is dry before storage or further use.

7.2. ການເກັບຮັກສາ

• Store the HW30 in a cool, dry place away from direct sunlight and extreme temperatures.
• ຖ້າເກັບຮັກສາໄວ້ເປັນເວລາດົນ, ແນະນໍາໃຫ້ຖອດຫມໍ້ໄຟອອກເພື່ອປ້ອງກັນການຮົ່ວໄຫຼ.

7.3. ການທົດແທນຫມໍ້ໄຟ

Replace the battery when the display becomes dim or the unit ceases to function. Refer to Section 5.1 for battery installation instructions.

8. ການແກ້ໄຂບັນຫາ

This section addresses common issues you might encounter with your HW30 HeatWatch.

9. ຂໍ້ມູນຈໍາເພາະ

Technical specifications for the Extech HW30 HeatWatch Humidity and Temperature Stopwatch:

10. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ

Extech Instruments products are designed for reliability and performance. For specific warranty information, please refer to the warranty card included with your product or visit the official Extech Instruments website. For technical support, troubleshooting assistance beyond this manual, or to inquire about replacement parts, please contact Extech Instruments customer service through their official channels.

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