1. ບົດແນະນຳ
The Testo 545 Digital Lux Meter is designed for precise and convenient determination of illuminance in various working environments. This instrument helps assess light conditions to promote productivity, well-being, and health, preventing issues such as concentration problems and headaches. Its app compatibility allows for easy setup, configuration, and data management, turning your smartphone into a second display for real-time monitoring and documentation.
Figure 1.1: Testo 545 Digital Lux Meter with its external sensor.
ຄຸນນະສົມບັດທີ່ສໍາຄັນ:
- Precise Measurement: Accurate determination of illuminance for all common light sources according to the V-lambda curve.
- ການດໍາເນີນງານສະດວກ: Automatic calculation and display of time and point averages, with audible alarm sounds for fast and reliable results.
- ຄວາມຫຼາກຫຼາຍຂອງແອັບພລິເຄຊັນ: Suitable for various environments, especially offices, to optimize light conditions for productivity and well-being.
- ຄວາມເຂົ້າກັນໄດ້ຂອງ LED: Compatible with most commercially available LEDs, excluding single-color blue LEDs.
- ການເຊື່ອມຕໍ່ແອັບຯ: Seamless integration with a smartphone or tablet app for graph history display, data viewing, storage, and documentation, or as a second display.
2. ຂໍ້ມູນຄວາມປອດໄພ
Please read this manual carefully before operating the Testo 545 Digital Lux Meter. Adhere to all safety instructions to ensure safe operation and prevent damage to the device or injury to personnel.
ຂໍ້ແນະນຳຄວາມປອດໄພທົ່ວໄປ:
- Do not expose the device to extreme temperatures, direct sunlight, or excessive humidity.
- ຫຼີກເວັ້ນການຜົນກະທົບທີ່ເຂັ້ມແຂງຫຼືການສັ່ນສະເທືອນ.
- Do not open the device housing. Repairs should only be performed by authorized service personnel.
- ໃຫ້ແນ່ໃຈວ່າໃສ່ຫມໍ້ໄຟຢ່າງຖືກຕ້ອງຕາມເຄື່ອງຫມາຍຂົ້ວ.
- ຖິ້ມແບດເຕີລີ່ແລະອຸປະກອນຕາມກົດລະບຽບທ້ອງຖິ່ນ.
- Keep the sensor clean and free from dust or obstructions to ensure accurate measurements.
3. ເນື້ອໃນຊຸດ
ກວດສອບວ່າລາຍການທັງຫມົດທີ່ລະບຸໄວ້ຂ້າງລຸ່ມນີ້ແມ່ນມີຢູ່ໃນຊຸດຂອງທ່ານ:
- Testo 545 Digital Lux Meter instrument
- ກະເປົ໋າຂົນສົ່ງ
- Calibration protocol (CoC)
- 3 x AA ຫມໍ້ໄຟ
4. ຕັ້ງຄ່າ
4.1 ການຕິດຕັ້ງຫມໍ້ໄຟ
The Testo 545 requires 3 AA batteries for operation. The battery compartment is located on the rear of the main unit.
- ຊອກຫາຝາປິດຊ່ອງໃສ່ຫມໍ້ໄຟຢູ່ດ້ານຫຼັງຂອງອຸປະກອນ.
- Open the cover by sliding or unlatching it as indicated.
- Insert 3 AA batteries, ensuring correct polarity (+/-) as marked inside the compartment.
- ປິດຝາປິດຊ່ອງໃສ່ຫມໍ້ໄຟຢ່າງປອດໄພ.
4.2 ການເປີດເຄື່ອງເບື້ອງຕົ້ນ
After installing the batteries, the device is ready for its first use.
- Press and hold the power button (usually marked with an ON/OFF symbol) until the display illuminates.
- The device will perform a brief self-test.
- Ensure the external sensor is securely connected to the main unit via its cable.
ຮູບ 4.1: ດ້ານຫນ້າ view of the Testo 545 main unit, showing the display and control buttons.
4.3 ການເຊື່ອມຕໍ່ແອັບຯ
The Testo 545 can connect to a smartphone or tablet via the Testo Smart App for enhanced functionality.
- Download the "Testo Smart App" from your device's app store (Google Play Store for Android, Apple App Store for iOS).
- ກວດໃຫ້ແນ່ໃຈວ່າ Bluetooth ເປີດຢູ່ໃນສະມາດໂຟນ/ແທັບເລັດຂອງທ່ານ.
- Power on the Testo 545.
- Open the Testo Smart App and follow the on-screen instructions to search for and connect to your Testo 545 device.
- ເມື່ອເຊື່ອມຕໍ່ແລ້ວ, ທ່ານສາມາດເຮັດໄດ້ view live readings, configure settings, and manage data directly from the app.
Figure 4.2: Using the Testo 545 in conjunction with the Testo Smart App on a smartphone.
ຮູບທີ 4.3: ຕົວຢ່າງample screenshot of the Testo Smart App interface showing measurement trends.
5. ຄໍາແນະນໍາການດໍາເນີນງານ
5.1 Basic Illuminance Measurement
To take a basic illuminance reading:
- Power on the Testo 545.
- Position the external sensor at the point where you wish to measure illuminance. Ensure the sensor's light-sensitive surface is facing the light source and is not obstructed.
- Allow a few seconds for the reading to stabilize on the display.
- The current illuminance value will be shown in Lux (lx).
Figure 5.1: Measuring illuminance in an office setting with the Testo 545.
5.2 Advanced Measurement Functions
The Testo 545 offers advanced functions accessible via the device's buttons or the Testo Smart App.
- Time and Point Averages: The device automatically calculates and displays time and point averages. Refer to the on-screen menu or app interface for specific options to view these averages.
- ຟັງຊັນຖື: Press the "HOLD" button (if available, or via app) to freeze the current reading on the display. Press again to release.
- Min/Max Values: The device can track and display minimum and maximum measured values during a measurement session. Access this feature through the menu.
- ບັນທຶກຂໍ້ມູນ: When connected to the Testo Smart App, you can log measurement data over time for analysis and reporting.
Figure 5.2: The Testo 545 being used for illuminance measurement on a workbench.
6. ບໍາລຸງຮັກສາ
6.1 ການທໍາຄວາມສະອາດອຸປະກອນ
To ensure optimal performance and longevity of your Testo 545:
- Wipe the device and sensor with a soft, damp ຜ້າ. ຢ່າໃຊ້ເຄື່ອງເຮັດຄວາມສະອາດຂັດຫຼືສານລະລາຍ.
- Ensure the sensor's light-sensitive surface is kept clean and free of dust, fingerprints, or smudges, as these can affect measurement accuracy.
- Do not immerse the device or sensor in water.
6.2 ການເກັບຮັກສາ
When not in use, store the Testo 545 in its transport bag in a cool, dry place, away from direct sunlight and extreme temperatures.
6.3 ການທົດແທນຫມໍ້ໄຟ
Replace batteries when the low battery indicator appears on the display. Refer to section 4.1 for battery installation instructions.
7. ການແກ້ໄຂບັນຫາ
This section provides solutions to common issues you might encounter with your Testo 545.
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ອຸປະກອນບໍ່ເປີດ. | ຫມໍ້ໄຟທີ່ຕາຍແລ້ວ ຫຼືໃສ່ບໍ່ຖືກຕ້ອງ. | ກວດສອບຂົ້ວແບັດເຕີຣີ. ປ່ຽນແບັດເຕີຣີຖ້າຈຳເປັນ. |
| ການອ່ານບໍ່ຖືກຕ້ອງ. | Dirty sensor; sensor not positioned correctly; external interference. | Clean the sensor surface. Ensure sensor is facing the light source directly. Move away from strong electromagnetic fields. |
| Cannot connect to Testo Smart App. | Bluetooth off; app not updated; device out of range. | Ensure Bluetooth is enabled on both devices. Update the app. Bring devices closer together. Restart both devices. |
| Display shows "OVER" or "---". | ເກີນຂອບເຂດການວັດແທກ. | The illuminance is above the maximum measurable range (100,000 Lux). |
8. ຂໍ້ມູນຈໍາເພາະ
Detailed technical specifications for the Testo 545 Digital Lux Meter:
| ພາລາມິເຕີ | ມູນຄ່າ |
|---|---|
| ຂະໜາດສິນຄ້າ | 10.9 x 7.5 x 3 inches (149 x 60 x 28 mm for main unit, 134 x 54 x 23 mm for probe) |
| ໝາຍເລກຕົວແບບ | 0563 1545 |
| ໝໍ້ໄຟ | ໝໍ້ໄຟ AA 3 ໜ່ວຍ (ລວມ) |
| Light Measuring Range | 0 ເຖິງ 100,000 Lux |
| ຄວາມຖືກຕ້ອງ | Class C (F1 = 6% V(Lambda) adjustment, F2 = 5% cos-true evaluation, Total ≤ 15%, ±3% of mv ±1 Digit) |
| ຄວາມລະອຽດ | 0.1 Lux (<10000 Lux) / 1 Lux (≥ 10000 Lux) |
| ນ້ຳໜັກ | 1.54 ປອນ (288 ກຣາມ) |
| ອຸນຫະພູມປະຕິບັດການ | -4 to +122 °F (-20 to +50 °C) for instrument, -4 to +158 °F (-20 to +70 °C) for probe |
| ວັດສະດຸທີ່ຢູ່ອາໄສ | ABS + PC / TPE |
| ຄວາມຍາວສາຍ | 4.593 ຟຸດ. (1.4 ມ) |
| ຫ້ອງຮຽນປົກປ້ອງ | IP40 (instrument), IP20 (probe) |
| ຊີວິດຫມໍ້ໄຟ | 70 ຊົ່ວໂມງ |
| ອຸນຫະພູມການເກັບຮັກສາ | -4 ຫາ +122 °F (-20 ຫາ +50 °C) |
9. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
9.1 ຂໍ້ມູນການຮັບປະກັນ
Testo products are manufactured to the highest quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Testo webເວັບໄຊ. ຮັກສາຫຼັກຖານການຊື້ຂອງທ່ານສໍາລັບການຮ້ອງຂໍການຮັບປະກັນ.
9.2 ສະຫນັບສະຫນູນລູກຄ້າ
If you encounter any issues not covered in this manual or require technical assistance, please contact Testo customer support. Contact details can typically be found on the Testo official webສະຖານທີ່ຫຼືຢູ່ໃນການຫຸ້ມຫໍ່ຜະລິດຕະພັນ.
For further information and resources, visit the ຮ້ານຄ້າ Testo ໃນ Amazon.
