Bhuku reMushandisi weAlarm Timer yeMachiteshi Mane Rinoteverwa

Nhanganyaya

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.

Features

• 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

Gadzirira

Kuiswa kweBattery

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

1. Tsvaga mukamuri yebhatiri kuseri kweyuniti.
2. Vhura chivharo chekamuri.
3. Insert new batteries, observing the correct polarity (+/-) as indicated inside the compartment.
4. Vhara chivharo chebhatiri zvakachengeteka.

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

Chekutanga Power On

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.

Operating Instruction

Overview of Controls

Mufananidzo: Mberi 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.
• KUTANGA / MIRA: 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 viewpanguva ino.

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. Press the H, M,uye S buttons to set the desired countdown time. Each press increments the value. Hold the button for rapid increment.
3. Press the TANGA/MIRA bhatani rekutanga kuverenga pasi.
4. When the countdown reaches zero, an extra-loud alarm will sound for 1 minute.
5. Kuti umise alarm, tinya chero bhatani.
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 bhatani.
3. Press the TANGA/MIRA button to begin counting up.
4. Press the TANGA/MIRA button again to pause the count-up.
5. Press the C button to clear the count-up time.

Kuisa Wachi

1. Dzvanya uye ubate iyo WACHI bhatani kusvika nguva yatanga kupenya.
2. Shandisa iyo H, M,uye S mabhatani kuseta nguva iripo.
3. Press the WACHI button again to confirm and exit clock setting mode.

Maintenance

Kuchenesa

Pukuta timer nekanyoro, damp jira. Usashandise abrasive cleaners kana kunyudza iyo unit mumvura.

Kutsiviwa kwebhatiri

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.

Kugadzirisa matambudziko

Timer haisi kupindura

• Tarisa kuiswa kwebhatiri uye ona kuti mabhatiri matsva.
• Press the C button to clear any previous settings.

Alarm is too quiet or not sounding

• Tsiva mabhatiri.
• Ensure the timer is not in a location where the sound is muffled.

Display is blank or erratic

• Tsiva mabhatiri.
• If the issue persists after battery replacement, contact customer support.

Zvinotsanangurwa

Warranty uye Support

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 websaiti kana kubata dhipatimendi ravo rebasa revatengi.