Traceable Four-Channel Alarm Timer User Manual

Selelekela

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.

Likaroloana

• 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

Tlhophiso

Ho kenya Battery

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

1. Sheba sebaka sa betri ka morao ho yuniti.
2. Bula sekoahelo sa phaposi.
3. Insert new batteries, observing the correct polarity (+/-) as indicated inside the compartment.
4. Koala sekoaelo sa karolo ea betri ka mokhoa o sireletsehileng.

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

Matla a Pele a Buletsoe

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.

Litaelo tsa Ts'ebetso

Fetileview ea Litaolo

Setšoantšo: Pele 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.
• TŠEBELETSO: 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 (Ho hlakile): Clears the set time for the selected channel.
• QALA / EMA: 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 viewka nako ea joale.

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. Tobetsa ea H, M, le S buttons to set the desired countdown time. Each press increments the value. Hold the button for rapid increment.
3. Tobetsa ea QALA/EMA konopo ho qala ho bala ho ya tlase.
4. When the countdown reaches zero, an extra-loud alarm will sound for 1 minute.
5. Ho emisa alamo, tobetsa konopo efe kapa efe.
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 konopo.
3. Tobetsa ea QALA/EMA button to begin counting up.
4. Tobetsa ea QALA/EMA button again to pause the count-up.
5. Tobetsa ea C button to clear the count-up time.

Ho beha Oache

1. Tobetsa o hatelle TŠEBELE button until the time display begins to flash.
2. Sebelisa le H, M, le S likonopo ho seta nako ea hajoale.
3. Tobetsa ea TŠEBELE button again to confirm and exit clock setting mode.

Tlhokomelo

Ho hloekisa

Hlakola sebali sa nako ka sesebelisoa se bonolo, damp lesela. Se ke oa sebelisa li-abrasive cleaners kapa ua qoelisa yuniti ka metsing.

Phetoho ea Battery

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.

Ho batle phoso

Sebali sa nako ha se arabe

• Sheba ho kengoa ha betri 'me u netefatse hore libeteri li ncha.
• Tobetsa ea C button to clear any previous settings.

Alarm is too quiet or not sounding

• Fetola libeteri.
• Ensure the timer is not in a location where the sound is muffled.

Display is blank or erratic

• Fetola libeteri.
• If the issue persists after battery replacement, contact customer support.

Litlhaloso

Warranty le Tšehetso

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 websebaka kapa ikopanye le lefapha la litšebeletso tsa bareki.