1. Pengenalan
The THOMAS SCIENTIFIC 3 Channel Timer, Model 5000, is a versatile and reliable timing device designed for laboratory, kitchen, or general-purpose use where multiple independent timing events are required. This timer features three distinct channels, allowing for simultaneous countdown or count-up operations. Its clear digital display and intuitive controls ensure precise and efficient time management.

Imej 1: Depan view of the THOMAS SCIENTIFIC 3 Channel Timer, Model 5000.
2. Persediaan
2.1 Pemasangan Bateri
- Cari penutup petak bateri di bahagian belakang pemasa.
- Luncurkan atau buka klip penutup untuk membuka petak.
- Insert the required batteries (typically AAA, not included) according to the polarity indicators (+/-) inside the compartment.
- Pasang semula penutup petak bateri, pastikan ia ditutup dengan selamat.
2.2 Kuasa Awal Hidup
Upon successful battery installation, the timer should automatically power on, displaying '00:00:00' or the current time if pre-set. If the display remains blank, recheck battery placement or replace with fresh batteries.
3. Arahan Operasi
3.1 Berakhirview daripada Kawalan
- Butang H: Tetapkan jam.
- Butang M: Sets minutes.
- Butang S: Sets seconds.
- Butang C: Clears the selected timer channel to '00:00:00'.
- S/S Button: Starts or stops the selected timer channel.
- T1, T2, T3 Buttons: Selects the desired timer channel (1, 2, or 3) for setting or operation.
- Butang JAM: Switches between timer mode and clock display mode.
3.2 Setting the Current Time (Clock Mode)
- Tekan ke JAM button to enter clock display mode.
- Tekan dan tahan butang JAM butang sehingga digit masa mula berkelip.
- Gunakan H, M, dan S buttons to adjust the hours, minutes, and seconds respectively.
- Tekan ke JAM button again to confirm the setting and exit clock setting mode.
3.3 Setting a Countdown Timer
- Press one of the channel buttons (T1, T2, atau T3) to select the desired timer channel. The display will show the selected channel's current time.
- Gunakan H, M, dan S buttons to set the desired countdown time. Each press increments the value; holding the button may accelerate the setting.
- Tekan ke S/S button to start the countdown. The selected channel's indicator will typically flash or remain solid.
- When the time reaches zero, an alarm will sound. Press the S/S butang untuk menghentikan penggera.
- Untuk mengosongkan pemasa, tekan butang C button while the timer is stopped or after the alarm has sounded.
3.4 Using the Count-Up Timer (Stopwatch)
- Press one of the channel buttons (T1, T2, atau T3) to select the desired timer channel.
- Ensure the selected channel is cleared to '00:00:00' by pressing the C butang.
- Tekan ke S/S button to start the count-up function.
- Tekan ke S/S button again to pause the count-up. Pressing it once more will resume counting.
- To stop and reset the count-up timer, press the C butang semasa pemasa dijeda.
3.5 Operasi Serentak
The THOMAS SCIENTIFIC 3 Channel Timer allows you to run up to three independent timers concurrently. Simply set each channel (T1, T2, T3) as desired for either countdown or count-up, and press S/S for each to start. The display will typically show the active channel or cycle through them. Alarms for each channel will sound independently when their respective countdowns reach zero.
4. Penyelenggaraan
4.1 Pembersihan
To clean the timer, wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners, solvents, or immerse the unit in water. Ensure the timer is dry before use.
4.2 Penggantian Bateri
Replace batteries when the display becomes dim, erratic, or the unit fails to power on. Refer to section 2.1 for battery installation instructions. Always dispose of used batteries responsibly according to local regulations.
5. Penyelesaian masalah
- Pemasa tidak bertindak balas: Periksa pemasangan bateri dan pastikan bateri baru. Gantikan jika perlu.
- Paparan malap atau kosong: This typically indicates low battery power. Replace batteries.
- Penggera tidak berbunyi: Ensure the timer is not in a silent mode (if applicable, though not a common feature for this model). Check battery power.
- Incorrect timing: Ensure you have correctly set the hours, minutes, and seconds for the desired channel. Clear the timer and re-enter values carefully.
- Butang tidak bertindak balas: Try removing and reinserting the batteries to perform a soft reset. If the issue persists, contact customer support.
6. Spesifikasi
| Ciri | Spesifikasi |
|---|---|
| Nombor Model | 5000 |
| Bilangan Saluran | 3 |
| Maximum Timing Capacity | 99 jam, 59 minit, 59 saat |
| Dimensi (Pakej) | 3.74 x 3.35 x 1.26 inci |
| Berat Barang | 7 paun |
| warna | putih |
| Jenama | THOMAS SCIENTIFIC |
7. Maklumat Waranti
THOMAS SCIENTIFIC products typically come with a manufacturer's warranty. For specific warranty terms, conditions, and duration applicable to your Model 5000 timer, please refer to the documentation included with your purchase. Alternatively, visit the official THOMAS SCIENTIFIC website or contact their customer service department for detailed warranty information.
8. Sokongan
For technical assistance, troubleshooting guidance beyond this manual, replacement parts, or any other inquiries regarding your THOMAS SCIENTIFIC 3 Channel Timer (Model 5000), please contact THOMAS SCIENTIFIC customer service. You can find contact details and additional support resources on the official THOMAS SCIENTIFIC webtapak: THOMAS SCIENTIFIC Store on Amazon.