Manual Pengguna Pemasa Penggera Empat Saluran Boleh Dikesan

pengenalan

This manual provides detailed instructions for the operation and maintenance of the Traceable Four-Channel Alarm Timer, Model 90225-35. This device is designed for laboratory use, offering precise timing capabilities across four independent channels for various applications.

Ciri-ciri

• Calibrated Four-Channel Alarm Timer for Laboratory Use
• Memory returns display to previously programmed countdown time with touch of a button
• Extra-loud alarms sound for 1 minute
• Includes NIST-Traceable certificate from our A2LA accredited (1750.01) calibration laboratory

Persediaan

Pemasangan Bateri

The timer operates on standard batteries. To install or replace batteries:

1. Cari petak bateri di bahagian belakang unit.
2. Buka penutup petak.
3. Insert new batteries, observing the correct polarity (+/-) as indicated inside the compartment.
4. Tutup penutup petak bateri dengan selamat.

Imej: Belakang view of the Traceable Four-Channel Alarm Timer, highlighting the circular battery compartment cover on the right side.

Kuasa Awal Hidup

Upon first power-on or after battery replacement, the display will show the current time or default to 0:00:00. The timer is now ready for operation.

Arahan Operasi

Berakhirview daripada Kawalan

Imej: Depan view of the timer, displaying the LCD screen and all control buttons. Buttons include T1, T2, T3, T4, CLOCK at the top, and H, M, S, C, START STOP at the bottom.

The timer features several buttons for various functions:

• T1, T2, T3, T4: Selects the desired timer channel.
• JAM: Toggles between clock display and timer display, and used for setting the clock.
• H (Hours): Sets hours for countdown/count-up.
• M (Minutes): Sets minutes for countdown/count-up.
• S (Seconds): Sets seconds for countdown/count-up.
• C (Clear): Clears the set time for the selected channel.
• MULAI / BERHENTI: Starts or stops the selected timer.

Image: Close-up of the 'H' (Hours) and 'M' (Minutes) buttons, which are used for setting time values.

Image: Close-up of the 'START STOP' button, used to initiate or pause timing functions.

Image: Close-up of the 'CLOCK' button, used for setting and viewdalam masa semasa.

Setting a Countdown Timer

1. Press one of the channel buttons (T1, T2, T3, or T4) to select the desired timer. The display will show the selected channel indicator.
2. Tekan ke H, M, dan S buttons to set the desired countdown time. Each press increments the value. Hold the button for rapid increment.
3. Tekan ke MULA/BERHENTI butang untuk memulakan kira detik.
4. When the countdown reaches zero, an extra-loud alarm will sound for 1 minute.
5. Untuk menghentikan penggera, tekan sebarang butang.
6. To recall the previously programmed countdown time for a channel, press the corresponding channel button (T1-T4) after the timer has stopped.

Using as a Count-Up Timer (Stopwatch)

1. Press one of the channel buttons (T1, T2, T3, or T4) to select the desired timer.
2. Ensure the selected channel is cleared (display shows 0:00:00). If not, press the C butang.
3. Tekan ke MULA/BERHENTI butang untuk mula mengira.
4. Tekan ke MULA/BERHENTI button again to pause the count-up.
5. Tekan ke C button to clear the count-up time.

Menetapkan Jam

1. Tekan dan tahan butang JAM butang sehingga paparan masa mula berkelip.
2. Gunakan H, M, dan S butang untuk menetapkan masa semasa.
3. Tekan ke JAM button again to confirm and exit clock setting mode.

Penyelenggaraan

Pembersihan

Lap pemasa dengan lembut, damp kain. Jangan gunakan pembersih yang melelas atau rendam unit di dalam air.

Penggantian Bateri

When the display dims or the alarm weakens, it is time to replace the batteries. Refer to the "Battery Installation" section under Setup for instructions.

Menyelesaikan masalah

Pemasa tidak bertindak balas

• Periksa pemasangan bateri dan pastikan bateri segar.
• Tekan ke C button to clear any previous settings.

Alarm is too quiet or not sounding

• Gantikan bateri.
• Ensure the timer is not in a location where the sound is muffled.

Display is blank or erratic

• Gantikan bateri.
• If the issue persists after battery replacement, contact customer support.

Spesifikasi

Waranti dan Sokongan

This product comes with a NIST-Traceable certificate, ensuring its calibration accuracy. For specific warranty details or technical support, please refer to the documentation included with your purchase or contact Cole-Parmer customer service.

For additional information or support, please visit the manufacturer's webtapak atau hubungi bahagian perkhidmatan pelanggan mereka.