Traceable Four-Channel Alarm Timer User Manual

Mawu Oyamba

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.

Mawonekedwe

• 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

Khazikitsa

Kuyika kwa Battery

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

1. Pezani batire kumbuyo kwa yuniti.
2. Tsegulani chivundikiro cha chipindacho.
3. Insert new batteries, observing the correct polarity (+/-) as indicated inside the compartment.
4. Tsekani chivundikiro cha chipinda cha batri bwinobwino.

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

Mphamvu Yoyambira

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.

Malangizo Ogwiritsira Ntchito

Zathaview ya Controls

Chithunzi: Patsogolo 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.
• WACHI: 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.
• Yambani / Lekani: 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 viewmu nthawi yapano.

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. Dinani pa H, M,ndi S buttons to set the desired countdown time. Each press increments the value. Hold the button for rapid increment.
3. Dinani pa YAMBANI/IMANI batani kuti muyambe kuwerengera nthawi.
4. When the countdown reaches zero, an extra-loud alarm will sound for 1 minute.
5. Kuti muyimitse alamu, dinani batani lililonse.
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 batani.
3. Dinani pa YAMBANI/IMANI button to begin counting up.
4. Dinani pa YAMBANI/IMANI button again to pause the count-up.
5. Dinani pa C button to clear the count-up time.

Kukhazikitsa Koloko

1. Press ndi kugwira WACHI batani mpaka nthawi yowonetsera iyambe kunyezimira.
2. Gwiritsani ntchito H, M,ndi S mabatani kuti muyike nthawi yomwe ilipo.
3. Dinani pa WACHI button again to confirm and exit clock setting mode.

Kusamalira

Kuyeretsa

Pukutani chowerengera ndi chofewa, damp nsalu. Osagwiritsa ntchito zotsukira abrasive kapena kumiza unit m'madzi.

Kusintha kwa 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.

Kusaka zolakwika

Chowerengera sichikuyankha

• Yang'anani momwe batire yakhazikitsidwira ndikuwonetsetsa kuti mabatire ndi atsopano.
• Dinani pa C button to clear any previous settings.

Alarm is too quiet or not sounding

• Sinthani mabatire.
• Ensure the timer is not in a location where the sound is muffled.

Chiwonetsero chilibe kanthu kapena chosakhazikika

• Sinthani mabatire.
• Ngati vutoli likupitirira mutasintha batire, funsani chithandizo cha makasitomala.

Zofotokozera

Chitsimikizo ndi Thandizo

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 webtsamba kapena funsani dipatimenti yawo yothandizira makasitomala.