1. Pengenalan
This manual provides detailed instructions for the safe and effective use of the CEM ILDM-150 Laser Distance Measure. The ILDM-150 is a precision instrument designed for accurate distance, area, and volume measurements, featuring Bluetooth connectivity for data transfer and management via the Meterbox Pro application. Please read this manual thoroughly before operating the device to ensure proper functionality and safety.

Figure 1.1: CEM ILDM-150 Laser Distance Measure and included accessories.
2. Ciri-ciri Produk
The CEM ILDM-150 Laser Distance Measure offers a range of features designed for efficiency and accuracy:
- Ketepatan Tinggi: Utilizes a Class II Laser with 1mW output, providing accuracy up to ±1/16 inch (1.5mm) over a measuring range of up to 229 feet (70 meters).
- Mod Pengukuran Berbilang: Supports single distance, continuous measurement, area, volume, and Pythagorean (three-point) calculations.
- Penukaran Unit: Easily switch between meters (M), inches (In), and feet (Ft).
- Kesambungan Bluetooth 4.0: Seamlessly transfer measured data to a smartphone or tablet using the Meterbox Pro application for analysis and sharing.
- Penyimpanan Data: Stores up to 99 groups of measurement data, with manual deletion capability.
- Lampu Latar LCD: Large backlit screen for improved visibility in low-light conditions.
- Tetapan Redam: Option to turn the measurement beep on or off for use in quiet environments.
- Reka bentuk tahan lasak: IP54 rated for water and dust resistance, featuring a hard rubber body for enhanced grip and protection.
- Penjimatan Kuasa: Automatic shut-down after 150 seconds of inactivity to conserve battery life.
- Petunjuk Bateri Rendah: Memberi amaran kepada pengguna apabila bateri memerlukan penggantian.

Gambar 2.1: Lebihview of CEM ILDM-150 key features.
3. Maklumat Keselamatan
The CEM ILDM-150 is a Class II laser product. Adhere to the following safety guidelines:
- Jangan merenung terus ke pancaran laser.
- Jangan halakan pancaran laser kepada orang atau haiwan.
- Avoid using optical instruments (e.g., binoculars, telescopes) to view pancaran laser.
- Jauhkan peranti daripada capaian kanak-kanak.
- Jangan cuba mengubah suai atau membuka peranti.
- Gunakan hanya bateri yang ditentukan.
4. Bermula (Persediaan)
4.1 Kandungan Pakej
Selepas membuka pakej, sahkan bahawa semua item ada:
- CEM ILDM-150 Laser Distance Measure
- 1.5V AAA Batteries (Note: While typically included, please check the packaging upon receipt as specifications may vary.)
- Beg Mudah Alih
- Manual Pengguna
- Tali Tangan
- Kotak Pakej
4.2 Pemasangan Bateri
The ILDM-150 requires 1.5V AAA batteries for operation.
- Cari penutup petak bateri di bahagian belakang peranti.
- Geser penutup terbuka ke arah yang ditunjukkan oleh anak panah.
- Insert the AAA batteries, ensuring correct polarity (+/-) as marked inside the compartment.
- Tutup penutup petak bateri dengan selamat.
4.3 Menghidupkan/Mematikan
- Untuk Menghidupkan: Tekan ke MEAS button. The display will illuminate.
- Untuk Mematikan: Tekan dan tahan butang CLR/OFF button for approximately 2 seconds. The device will also automatically shut down after 150 seconds of inactivity.
5. Arahan Operasi
5.1 Pengukuran Asas
Untuk melakukan pengukuran jarak tunggal:
- Halakan laser pada permukaan sasaran.
- Tekan ke MEAS butang sekali. Laser akan diaktifkan.
- Tekan ke MEAS butang sekali lagi untuk mengambil ukuran. Keputusan akan dipaparkan pada skrin.
5.2 Penukaran Unit
To change the measurement unit (M/In/Ft):
- Tekan ke Unit button repeatedly until the desired unit is displayed.
5.3 Backlight and Mute Settings
- The backlight automatically activates when the device is in use.
- To toggle the measurement beep (mute/unmute), refer to the specific button or menu option in your device's interface, typically indicated by a speaker icon.
5.4 Mod Pengukuran Lanjutan
The ILDM-150 supports various measurement functions:
- Pengukuran Kawasan: Press the Area/Volume button once. Follow the on-screen prompts to measure length and width. The device will calculate and display the area.
- Pengukuran Isipadu: Press the Area/Volume button twice. Follow the on-screen prompts to measure length, width, and height. The device will calculate and display the volume.
- Pythagorean Measurement (Indirect Measurement): Use this mode to calculate distances indirectly (e.g., height of a building). Press the Pythagorean button. Follow the on-screen prompts to take the required measurements (e.g., hypotenuse and one leg). The device will calculate the unknown side.
- Pengukuran Berterusan (Penjejakan): Tekan ke MEAS button and hold it down. The device will continuously measure and display the distance as you move it, showing real-time minimum and maximum values. Release the button to stop.
- Penambahan dan Penolakan: After taking a measurement, use the '+' or '-' buttons to add or subtract subsequent measurements from the current total.

Figure 5.1: Multiple measurement modes supported by the ILDM-150.
5.5 Tailstock Function
The multi-functional tailstock allows for measurements from corners or edges, ensuring accuracy when the device cannot be placed flush against a surface.

Figure 5.2: Multi-functional use of the tailstock.
6. Bluetooth Connectivity & App
The ILDM-150 features Bluetooth 4.0 for seamless data transfer to your smartphone or tablet via the Meterbox Pro application.
6.1 Installing Meterbox Pro
- Cari untuk "Meterbox Pro" in your device's app store (iOS App Store or Google Play Store).
- Muat turun dan pasang aplikasi.
6.2 Memadankan Peranti
- Pastikan Bluetooth didayakan pada telefon pintar/tablet anda.
- Power on the ILDM-150.
- Open the Meterbox Pro application. The app should automatically detect and connect to the ILDM-150.
- A Bluetooth icon on the ILDM-150's display will indicate a successful connection.

Figure 6.1: Bluetooth connectivity with Meterbox Pro app.
6.3 Data Transfer and Management
Once connected, measurements taken with the ILDM-150 can be transferred to the Meterbox Pro app. The app allows you to:
- View and organize measurement data.
- Create reports or charts.
- Share data via email, social media, or other applications.

Figure 6.2: Convenient data analysis and sharing via Meterbox Pro.
6.4 Data Storage on Device
The device can store up to 99 groups of historical data values.
- Mengingat Data: Use the memory buttons (e.g., up/down arrows) to scroll through stored measurements.
- Memadam Data: Tekan ke CLR button to manually delete the currently displayed data.

Figure 6.3: On-device data storage and display.
7. Penyelenggaraan dan Penjagaan
Proper maintenance ensures the longevity and accuracy of your ILDM-150.
- Pembersihan: Gunakan yang lembut, damp cloth to clean the device. Do not use abrasive cleaners or solvents. Pay special attention to the laser lens, cleaning it gently with a lens cloth if necessary.
- Storan: Store the device in its portable bag in a cool, dry place when not in use. Avoid extreme temperatures and direct sunlight.
- Penjagaan Bateri: Tanggalkan bateri jika peranti tidak akan digunakan untuk tempoh yang lama untuk mengelakkan kebocoran.
- Perlindungan Kesan: While durable, avoid dropping the device or subjecting it to strong impacts.

Figure 7.1: The ILDM-150 features IP54 water and dust protection.
8. Penyelesaian masalah
If you encounter issues with your CEM ILDM-150, refer to the following table for common problems and solutions:
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Peranti tidak dihidupkan. | Bateri rendah atau mati; Pemasangan bateri yang salah. | Gantikan bateri; Pastikan polariti yang betul. |
| Pengukuran yang tidak tepat. | Laser lens dirty; Unstable measurement surface; Device not held steady; Measurement taken over reflective or transparent surfaces. | Clean laser lens; Ensure stable placement; Use a target plate for difficult surfaces. |
| Sambungan Bluetooth gagal. | Bluetooth off on smartphone; Device out of range; App not running. | Enable Bluetooth; Ensure device is within 10m range; Restart Meterbox Pro app. |
| Paparan malap atau tidak boleh dibaca. | Low battery; Extreme temperature. | Replace batteries; Operate within specified temperature range. |
| Peranti dimatikan secara tidak dijangka. | Auto-off feature activated; Low battery. | This is normal after 150 seconds of inactivity; Replace batteries if low battery indicator is on. |
9. Spesifikasi Teknikal
Detailed specifications for the CEM ILDM-150 Laser Distance Measure:
| Spesifikasi | Nilai |
|---|---|
| Jenama | CEM |
| Nama Model | ILDM-150 |
| Nombor Bahagian | CEM ILDM-150 |
| warna | hitam 1 |
| Julat Pengukuran | 229 kaki atau 70 meter |
| Ketepatan | ±1/16 inch (1.5mm) |
| Kelas Laser | Kelas II, <1mW |
| Penilaian Perlindungan Antarabangsa | IP54 (Waterproof, Dust-proof) |
| bahan | Double Injection Molding Machine, Plastic |
| Berat Barang | 203 Gram |
| Jenis Bateri | Alkaline (AAA) |
| Automatikan | 150 saat (lebih kurang) |
| Memori Data | 99 kumpulan |
| Versi Bluetooth | 4.0 |
| Dimensi Item (L x W x H) | 5.31 x 2.09 x 1.18 inci |
| UPC | 887327150034 |
| Pengeluar | Shenzhen Everbest Machinery Industry Co.,Ltd. |
| Tarikh Mula-mula Tersedia | 9 Julai 2018 |

Figure 9.1: Dimensions of the ILDM-150.
10. Waranti dan Sokongan
10.1 Maklumat Waranti
The CEM ILDM-150 Laser Distance Measure comes with a Waranti 12 bulan from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper maintenance.
10.2 Sokongan Pelanggan
For technical assistance, warranty claims, or further inquiries, please contact CEM customer support through their official website or the contact information provided with your purchase documentation. Please have your model number (ILDM-150) and purchase date ready when contacting support.