atolla T201-DE
atolla Laser Distance Meter T201-DE User Manual
Model: T201-DE
1. Pengenalan
Thank you for choosing the atolla T201-DE Laser Distance Meter. This device is designed for precise and efficient distance, area, and volume measurements, suitable for both indoor and outdoor applications. Please read this manual carefully before use to ensure proper operation and to maximize the lifespan of your device.

Image 1.1: The atolla T201-DE Laser Distance Meter, shown with included AAA batteries and wrist strap.
2. Maklumat Keselamatan
WARNING: Laser Radiation
This device emits Class 2 laser radiation. Do not stare into the laser beam. Do not aim the laser beam at people or animals. Avoid direct eye exposure. Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
- Always ensure the laser is not pointed at reflective surfaces that could redirect the beam into your eyes or others'.
- Jauhkan peranti daripada capaian kanak-kanak.
- Do not attempt to modify or disassemble the device. This could lead to hazardous laser exposure and voids the warranty.
- Operate the device only in well-lit areas to avoid accidental exposure.
3. Kandungan Pakej
Sila semak pakej untuk item berikut:
- 1 x atolla Laser Distance Meter T201-DE
- 2 x Bateri AAA 1.5V
- 1 x Tali pergelangan tangan
- 1 x Manual Pengguna
4. Produk Lebihview
The atolla T201-DE features a compact design with an intuitive button layout and a clear backlit LCD for easy operation and reading.

Imej 4.1: Terperinci view of the atolla T201-DE Laser Distance Meter's control panel, highlighting the function buttons and their labels.
Fungsi Butang:
| Butang | Fungsi |
|---|---|
| ON / READ | Power On / Initiate Measurement / Continuous Measurement |
| +/- UNIT | Addition / Subtraction / Change Measurement Unit |
| Luas/Volume/Pythagoras | Switch between Area, Volume, and Pythagorean (2-point, 3-point) measurement modes |
| Reference Point / Mute | Change Measurement Reference Point (Front/Rear) / Mute Sound |
| OFF / Return | Power Off / Clear Last Measurement / Exit Current Mode |
5. Persediaan
5.1 Pemasangan Bateri
- Cari penutup petak bateri di bahagian belakang peranti.
- Luncurkan penutup terbuka.
- Masukkan dua bateri AAA 1.5V, pastikan kekutuban (+/-) betul.
- Tutup penutup petak bateri dengan selamat.
Note: Always use new batteries and replace both batteries at the same time. Remove batteries if the device will not be used for an extended period.
6. Arahan Operasi
6.1 Hidupkan/Mati Kuasa
- Untuk menghidupkan: Tekan butang ON / READ butang.
- Untuk mematikan kuasa: Tekan dan tahan butang OFF / Return butang selama 2 saat, atau peranti akan dimatikan secara automatik selepas 180 saat tidak aktif.
6.2 Menukar Unit Pengukuran
The device supports meters (m), inches (in), and feet (ft) with fractional display. To change units:
- Tekan ke +/- UNIT button repeatedly to cycle through the available units.

Image 6.1: Visual guide showing how to change the display units (meters, inches, feet) on the atolla T201-DE Laser Distance Meter.
6.3 Setting Measurement Reference Point
The measurement can be taken from the front or the rear edge of the device.
- Tekan ke Reference Point / Mute button to toggle between front and rear reference points. An icon on the display will indicate the selected reference point.

Image 6.2: Comparison showing how the measurement reference point can be set from the front or the rear of the atolla T201-DE Laser Distance Meter.
6.4 Pengukuran Asas (Jarak Tunggal)
- Pastikan peranti dihidupkan.
- Halakan laser pada permukaan sasaran.
- Tekan ke ON / READ butang sekali. Jarak yang diukur akan dipaparkan.
6.5 Pengukuran Berterusan (Minimum/Maks)
This mode is useful for finding the shortest or longest distance from a fixed point.
- Tekan dan tahan butang ON / READ button for 2 seconds. The device will start continuous measurement.
- Slowly sweep the laser across the desired area. The display will show the current, minimum, and maximum measured distances.
- Tekan ke ON / READ butang sekali lagi untuk menghentikan pengukuran berterusan.
6.6 Pengukuran Kawasan
- Tekan ke Luas/Volume/Pythagoras button once to enter Area measurement mode. A square icon will appear on the display.
- Measure the length: Press ON / READ.
- Measure the width: Press ON / READ.
- Peranti akan mengira dan memaparkan kawasan secara automatik.
6.7 Pengukuran Isipadu
- Tekan ke Luas/Volume/Pythagoras button twice to enter Volume measurement mode. A cube icon will appear on the display.
- Measure the length: Press ON / READ.
- Measure the width: Press ON / READ.
- Measure the height: Press ON / READ.
- Peranti akan mengira dan memaparkan volum secara automatik.
6.8 Pengukuran Pythagoras (Pengukuran Tidak Langsung)
Mod ini membolehkan pengukuran ketinggian atau jarak tidak langsung menggunakan teorem Pythagoras.

Image 6.3: Illustrations demonstrating different measurement modes: Area measurement, Volume measurement, and Pythagorean measurement using two points.
6.8.1 2-Point Pythagorean Measurement (Height)
- Tekan ke Luas/Volume/Pythagoras button three times. The display will show a right-angle triangle icon with two sides to be measured.
- Measure the hypotenuse (distance from device to top of object): Press ON / READ.
- Measure the base (distance from device to bottom of object, ensuring the device remains level): Press ON / READ.
- The device will calculate and display the height.
6.8.2 3-Point Pythagorean Measurement (Height)
- Tekan ke Luas/Volume/Pythagoras button four times. The display will show a right-angle triangle icon with three sides to be measured.
- Measure the first hypotenuse (distance from device to top of object): Press ON / READ.
- Measure the second hypotenuse (distance from device to middle point of object): Press ON / READ.
- Measure the base (distance from device to bottom of object, ensuring the device remains level): Press ON / READ.
- The device will calculate and display the height.
6.9 Penambahan dan Penolakan
You can add or subtract measurements from each other.
- Lakukan pengukuran.
- Tekan ke +/- UNIT button once for addition (+) or twice for subtraction (-).
- Lakukan pengukuran seterusnya.
- The result of the addition or subtraction will be displayed.
6.10 Penyimpanan dan Pengingatan Data
Peranti ini boleh menyimpan sehingga 20 rekod pengukuran.

Image 6.4: The atolla T201-DE Laser Distance Meter displaying stored measurements, with a compass and blueprints in the background, illustrating its use for planning.
- Measurements are automatically saved.
- To recall stored data: Press the OFF / Return button repeatedly when not in a measurement mode to cycle through the stored records.
6.11 Fungsi Redam
The mute function allows for silent operation, ideal for quiet environments.

Image 6.5: Image depicting the mute function of the atolla T201-DE Laser Distance Meter, suitable for quiet environments like libraries or offices.
- Tekan dan tahan butang Reference Point / Mute button for 2 seconds to toggle the sound on/off. A speaker icon with a cross will indicate mute mode.
6.12 Penentukuran Auto
The device features an auto-calibration function to maintain accuracy. If you suspect the accuracy is off, you can adjust it.
- Semasa peranti dalam keadaan mati, tekan dan tahan ON / READ butang dan OFF / Return button simultaneously until 'CAL' appears on the screen.
- Gunakan +/- UNIT button to adjust the calibration value (typically +/- 7 mm).
- Tekan ON / READ to save the calibration and exit.
7. Penyelenggaraan
- Pembersihan: Gunakan yang lembut, damp kain untuk membersihkan peranti. Jangan gunakan pembersih atau pelarut yang melelas.
- Storan: Store the device in a dry, cool place, away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods.
- Perlindungan: The device has an IP54 rating, making it dust and splash-water resistant. However, avoid submerging it in water or exposing it to heavy rain.
8. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Peranti tidak dihidupkan | Low or dead batteries; incorrect battery polarity | Gantikan bateri; periksa kekutuban |
| Pengukuran yang tidak tepat | Laser obstructed; unstable surface; calibration needed | Ensure clear path; measure on stable surface; perform auto-calibration (Section 6.12) |
| Mesej "Ralat" dipaparkan | Measurement out of range; strong light interference | Ensure target is within 0.15-60m; move to a shaded area or use a target plate |
| Paparan malap atau berkelip | Kuasa bateri rendah | Gantikan bateri |
9. Spesifikasi
| Ciri | Spesifikasi |
|---|---|
| Julat Pengukuran | 0.15m - 60m |
| Ketepatan Pengukuran | ±2 mm |
| Unit Pengukuran | m / in / ft (fractional) |
| Kelas Laser | Kelas 2 |
| Jenis Laser | 635nm, <1mW |
| Penyimpanan Data | Sehingga 20 rekod |
| Auto Matikan | 180 saat |
| Laser Auto Mati | 30 saat |
| Suhu Operasi | 0°C hingga 40°C (32°F hingga 104°F) |
| Suhu Penyimpanan | -20°C hingga 60°C (-4°F hingga 140°F) |
| Perlindungan Debu & Percikan | IP54 |
| Bekalan Kuasa | 2 x Bateri AAA 1.5V |
| Dimensi (L x W x H) | 12.2 x 4.7 x 2.5 cm |
| Berat badan | 111 gram (tanpa bateri) |
10. Waranti dan Sokongan
atolla products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official atolla webtapak.
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