1. Pengenalan
The GemRed Digital Angle Finder Goniometer 82311-00 is a precision instrument designed for accurate measurement of angles. It is particularly useful in fields such as physical therapy, occupational therapy, sports therapy, and rehabilitation programs for determining joint range of motion. This manual provides detailed instructions for the proper setup, operation, maintenance, and troubleshooting of your device.
2. Maklumat Keselamatan
- Keep the device away from water and excessive moisture to prevent damage to electronic components.
- Avoid dropping the device or subjecting it to strong impacts, which can affect its accuracy and functionality.
- Jangan cuba membuka atau membaiki peranti sendiri. Rujuk kepada kakitangan perkhidmatan yang berkelayakan untuk sebarang pembaikan.
- Simpan peranti di tempat yang bersih dan kering apabila tidak digunakan.
- The plastic arms are designed with rounded edges for safe contact with skin during measurements.
3. Produk Lebihview
The GemRed Digital Angle Finder Goniometer 82311-00 features a clear plastic body with two movable arms, a central pivot point, and an integrated digital display for precise angle readings.

Rajah 3.1: Depan view of the GemRed Digital Angle Finder Goniometer 82311-00.

Figure 3.2: The large digital display provides clear and easy-to-read angle measurements.
Komponen:
- Paparan Digital: Shows angle measurements with 0.1 degree resolution.
- Movable Arms: Two transparent plastic arms for aligning with the joint or object being measured.
- Titik Pangsi: The central axis around which the arms rotate.
- ON/OFF DISPLAY Button: Powers the device on/off and inverts the display reading.
- ZERO HOLD Button: Sets the current position as zero and holds the displayed value.
4. Persediaan
Pemasangan Bateri:
The device operates on one CR2032 lithium metal battery, which is included. To install or replace the battery:
- Locate the battery compartment cover on the back of the digital display unit.
- Use a small screwdriver or coin to gently open the cover.
- Masukkan bateri CR2032 dengan sisi positif (+) menghadap ke atas.
- Pasang semula penutup petak bateri, pastikan ia ditutup dengan selamat.
5. Arahan Operasi
5.1 Hidupkan/Mati Kuasa
Tekan ke PAPARAN HIDUP/MATI button to turn the device on. To turn it off, press and hold the PAPARAN HIDUP/MATI butang selama beberapa saat sehingga paparan dimatikan.
5.2 Zeroing the Measurement
To set a reference point or zero the measurement:
- Position the goniometer arms to the desired starting angle.
- Tekan ke TAHAN SIFAR button. The display will show '0.0' or '0.00', indicating that this position is now the zero reference.
- Subsequent movements will be measured relative to this zero point.

Rajah 5.1: The TAHAN SIFAR button allows you to set a zero reference point and freeze the display value.
5.3 Mengambil Pengukuran
To measure an angle:
- Pastikan peranti dihidupkan.
- Align the fixed arm with one side of the angle you wish to measure.
- Move the adjustable arm to align with the other side of the angle.
- Read the angle directly from the digital display.
5.4 Display Inversion
If the display reading is in an awkward position, you can invert it for easier viewing:
- Tekan sebentar PAPARAN HIDUP/MATI button. The display will rotate 180 degrees, allowing for comfortable reading from any orientation.

Figure 5.2: Pressing the PAPARAN HIDUP/MATI button inverts the screen for optimal viewing.
5.5 Permohonan Cthamples
The goniometer can be used to measure the range of motion for various joints:

Gambar 5.3: Cthamples of measuring angles on the shoulder, knee, and elbow joints.
6. Penyelenggaraan
6.1 Pembersihan
- Lap peranti dengan kain lembut dan kering.
- Untuk kotoran degil, gunakan sedikit damp kain dengan sabun lembut, kemudian keringkan dengan teliti.
- Do not use abrasive cleaners or solvents, as these can damage the plastic and electronic components.
6.2 Penyimpanan
- Store the goniometer in its original packaging or a protective case to prevent scratches and damage.
- Keep the device in a cool, dry environment, away from direct sunlight and extreme temperatures.
- Jika menyimpan untuk tempoh yang lama, adalah disyorkan untuk menanggalkan bateri bagi mengelakkan kebocoran.
7. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Paparan tidak dihidupkan. | Bateri mati atau tidak dipasang dengan betul. | Check battery orientation. Replace with a new CR2032 battery. |
| Bacaan yang tidak tepat. | Device not properly zeroed. Damage to arms or pivot. | Ensure the device is zeroed before measurement. Inspect for physical damage. |
| Paparan malap atau berkelip. | Kuasa bateri rendah. | Gantikan bateri CR2032. |
8. Spesifikasi

Figure 8.1: Product dimensions for the GemRed Digital Angle Finder.
| Ciri | Perincian |
|---|---|
| Nombor Model | 82311-00 |
| Julat Pengukuran | 0-360 darjah |
| Ketepatan | ±0.5 darjah |
| Resolusi | 0.1 darjah |
| bahan | plastik |
| Sumber Kuasa | 1 x Bateri Litium Logam CR2032 (termasuk) |
| Dimensi Produk (L x W x H) | 33 x 14 x 3 cm (12.5 x 5 x 1.24 inci) |
| Berat Barang | 105 Gram |
9. Waranti dan Sokongan
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official GemRed webtapak. Simpan resit pembelian anda sebagai bukti pembelian untuk sebarang tuntutan waranti.