Въведение
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.
Характеристики
- 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
Настройка
Монтаж на батерията
The timer operates on standard batteries. To install or replace batteries:
- Намерете отделението за батерии на гърба на устройството.
- Отворете капака на отделението.
- Insert new batteries, observing the correct polarity (+/-) as indicated inside the compartment.
- Затворете здраво капака на отделението за батерията.

Изображение: Задна част view of the Traceable Four-Channel Alarm Timer, highlighting the circular battery compartment cover on the right side.
Първоначално включване
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.
Инструкция за работа
крайview на контролите

Изображение: Отпред 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.
- ЧАСОВНИК: 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.
- СТАРТ / СТОП: 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 viewв текущото време.
Setting a Countdown Timer
- Press one of the channel buttons (T1, T2, T3, or T4) to select the desired timer. The display will show the selected channel indicator.
- Натиснете H, M, и S buttons to set the desired countdown time. Each press increments the value. Hold the button for rapid increment.
- Натиснете СТАРТ/СТОП бутон, за да започнете обратното броене.
- When the countdown reaches zero, an extra-loud alarm will sound for 1 minute.
- За да спрете алармата, натиснете произволен бутон.
- 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)
- Press one of the channel buttons (T1, T2, T3, or T4) to select the desired timer.
- Ensure the selected channel is cleared (display shows 0:00:00). If not, press the C бутон.
- Натиснете СТАРТ/СТОП button to begin counting up.
- Натиснете СТАРТ/СТОП button again to pause the count-up.
- Натиснете C button to clear the count-up time.
Настройка на часовника
- Натиснете и задръжте ЧАСОВНИК бутон, докато дисплеят за време започне да мига.
- Използвайте H, M, и S бутони за задаване на текущия час.
- Натиснете ЧАСОВНИК button again to confirm and exit clock setting mode.
Поддръжка
Почистване
Избършете таймера с мека, damp кърпа. Не използвайте абразивни почистващи препарати и не потапяйте устройството във вода.
Смяна на батерията
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.
Отстраняване на неизправности
Таймерът не отговаря
- Проверете инсталирането на батериите и се уверете, че са нови.
- Натиснете C button to clear any previous settings.
Alarm is too quiet or not sounding
- Сменете батериите.
- Ensure the timer is not in a location where the sound is muffled.
Display is blank or erratic
- Сменете батериите.
- Ако проблемът продължава след смяна на батерията, свържете се с отдела за обслужване на клиенти.
Спецификации
| Характеристика | детайл |
|---|---|
| Номер на модела | 90225-35 |
| Марка | ПРОСЛЕДИМ |
| Брой канали | 4 |
| Размери на опаковката | 4 x 3.5 x 1.2 инча |
| Тегло на артикула | 0.009 унции (0.26 грама) |
| Цвят | черен |
| производител | Коул-Пармър |
| Първо наличен | 31 януари 2022 г |
Гаранция и поддръжка
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 webсайт или се свържете с техния отдел за обслужване на клиенти.