សៀវភៅណែនាំអ្នកប្រើប្រាស់ឧបករណ៍កំណត់ម៉ោងរោទិ៍បួនឆានែលដែលអាចតាមដានបាន

សេចក្តីផ្តើម

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.

លក្ខណៈពិសេស

• 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

រៀបចំ

ការដំឡើងថ្ម

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

1. កំណត់ទីតាំងប្រអប់ថ្មនៅខាងក្រោយឧបករណ៍។
2. បើកគម្របបន្ទប់។
3. បញ្ចូលថ្មថ្មី ដោយសង្កេតមើលប៉ូលារីតេត្រឹមត្រូវ (+/-) ដូចដែលបានបង្ហាញនៅខាងក្នុងបន្ទប់។
4. បិទគម្របប្រអប់ថ្មដោយសុវត្ថិភាព។

រូបភាព៖ ខាងក្រោយ view of the Traceable Four-Channel Alarm Timer, highlighting the circular battery compartment cover on the right side.

ការបើកថាមពលដំបូង

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.

សេចក្តីណែនាំប្រតិបត្តិការ

ជាងview នៃការត្រួតពិនិត្យ

រូបភាព៖ ខាងមុខ 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.
• នាឡិកា៖ 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.
• បញ្ឈប់ / បញ្ឈប់៖ 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 viewក្នុងពេលបច្ចុប្បន្ន។

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. ចុច H, M, និង S buttons to set the desired countdown time. Each press increments the value. Hold the button for rapid increment.
3. ចុច ចាប់ផ្តើម/បញ្ឈប់ ប៊ូតុងដើម្បីចាប់ផ្តើមការរាប់ថយក្រោយ។
4. When the countdown reaches zero, an extra-loud alarm will sound for 1 minute.
5. ដើម្បីបញ្ឈប់សំឡេងរោទិ៍ សូមចុចប៊ូតុងណាមួយ។
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 ប៊ូតុង។
3. ចុច ចាប់ផ្តើម/បញ្ឈប់ button to begin counting up.
4. ចុច ចាប់ផ្តើម/បញ្ឈប់ button again to pause the count-up.
5. ចុច C button to clear the count-up time.

ការកំណត់នាឡិកា

1. ចុចឱ្យជាប់ នាឡិកា ប៊ូតុងរហូតដល់ការបង្ហាញពេលវេលាចាប់ផ្តើមបញ្ចេញពន្លឺ។
2. ប្រើ H, M, និង S ប៊ូតុងដើម្បីកំណត់ពេលវេលាបច្ចុប្បន្ន។
3. ចុច នាឡិកា button again to confirm and exit clock setting mode.

ថែទាំ

ការសម្អាត

ជូតកម្មវិធីកំណត់ម៉ោងដោយប្រើទន់ ឃamp ក្រណាត់។ កុំ​ប្រើ​ឧបករណ៍​សម្អាត​សំណឹក ឬ​ជ្រមុជ​អង្គភាព​ក្នុង​ទឹក។

ការជំនួសថ្ម

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.

ការដោះស្រាយបញ្ហា

កម្មវិធីកំណត់ម៉ោងមិនឆ្លើយតប

• ពិនិត្យមើលការដំឡើងថ្ម និងធានាថាថ្មនៅស្រស់។
• ចុច C button to clear any previous settings.

Alarm is too quiet or not sounding

• ជំនួសថ្ម។
• Ensure the timer is not in a location where the sound is muffled.

Display is blank or erratic

• ជំនួសថ្ម។
• If the issue persists after battery replacement, contact customer support.

លក្ខណៈបច្ចេកទេស

ការធានា និងការគាំទ្រ

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 webគេហទំព័រ ឬទាក់ទងផ្នែកសេវាកម្មអតិថិជនរបស់ពួកគេ។