Folasaga
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.
Vaega
- 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
Seti
Fa'apipi'i ma'a
The timer operates on standard batteries. To install or replace batteries:
- Su'e le vaega o le maa i tua o le iunite.
- Tatala le ufiufi o vaega.
- Insert new batteries, observing the correct polarity (+/-) as indicated inside the compartment.
- Tapuni lelei le ufiufi o le vaega o maa.

Ata: Tua view of the Traceable Four-Channel Alarm Timer, highlighting the circular battery compartment cover on the right side.
Malosi muamua
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.
Fa'atonuga o Galuega
Ua umaview o Pulea

Ata: Luma 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.
- Uati: 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.
- AMATA / TAofi: 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 viewi le taimi nei.
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.
- Oomi le H, M, ma S buttons to set the desired countdown time. Each press increments the value. Hold the button for rapid increment.
- Oomi le AMATA/TOTO faamau e amata ai le faitauga i lalo.
- When the countdown reaches zero, an extra-loud alarm will sound for 1 minute.
- Ina ia taofi le fa'ailo, oomi so'o se ki.
- 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 faamau.
- Oomi le AMATA/TOTO button to begin counting up.
- Oomi le AMATA/TOTO button again to pause the count-up.
- Oomi le C button to clear the count-up time.
Faatulaga le Uati
- Oomi ma uu le Uati button until the time display begins to flash.
- Fa'aaoga le H, M, ma S faamau e seti ai le taimi nei.
- Oomi le Uati button again to confirm and exit clock setting mode.
Tausiga
Fa'amamaina
Solo le taimi i se mea vaivai, oamp ie. Aua ne'i fa'aogaina ni mea fa'amama fa'amama pe fa'atofu le iunite i le vai.
Suiga maa
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.
Fa'afitauli
Ua le tali mai le taimi
- Siaki le fa'apipi'iina o le maa ma ia mautinoa o lo'o fou maa.
- Oomi le C button to clear any previous settings.
Alarm is too quiet or not sounding
- Sui maa.
- Ensure the timer is not in a location where the sound is muffled.
Display is blank or erratic
- Sui maa.
- If the issue persists after battery replacement, contact customer support.
Fa'amatalaga
| Fa'aaliga | Fa'amatalaga |
|---|---|
| Numera Fa'ata'ita'i | 90225-35 |
| Fa'ailoga | MAUA |
| Numera o Auala | 4 |
| Fuafuaga Mea | 4 x 3.5 x 1.2 inisi |
| Mea mamafa | 0.009 aunese (0.26 kalama) |
| Lanu | Lanu uliuli |
| Tufuga | Cole-Parmer |
| Muamua Avanoa | Ianuari 31, 2022 |
Fa'amaonia ma Lagolago
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 webnofoaga po'o fa'afeso'ota'i le latou matagaluega o auaunaga.





