Traceable Four-Channel Alarm Timer User Manual

Okwu mmalite

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.

Atụmatụ

• 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

Melite

Ntinye batrị

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

1. Chọta ebe batrị dị n'azụ unit ahụ.
2. Mepee mkpuchi ụlọ.
3. Insert new batteries, observing the correct polarity (+/-) as indicated inside the compartment.
4. Mechie mkpuchi nke batrị batrị nke ọma.

Foto: N'azụ view of the Traceable Four-Channel Alarm Timer, highlighting the circular battery compartment cover on the right side.

Ike mbụ Gbanye

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.

Ntuziaka ọrụ

gafereview nke njikwa

Foto: N'ihu 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.
• Elekere: 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.
• Malite/Kwụsị: 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 viewn'oge ugbu a.

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. Pịa H, M, na S buttons to set the desired countdown time. Each press increments the value. Hold the button for rapid increment.
3. Pịa Malite/Kwụsị bọtịnụ iji malite ịgụta ọnụ.
4. When the countdown reaches zero, an extra-loud alarm will sound for 1 minute.
5. Ka ịkwụsị oti mkpu, pịa bọtịnụ ọ bụla.
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 bọtịnụ.
3. Pịa Malite/Kwụsị bọtịnụ iji malite ịgụta.
4. Pịa Malite/Kwụsị button again to pause the count-up.
5. Pịa C button to clear the count-up time.

Ịtọ ntọala elekere

1. Pịa ma jide EGE button until the time display begins to flash.
2. Jiri ihe H, M, na S bọtịnụ iji tọọ oge dị ugbu a.
3. Pịa EGE button again to confirm and exit clock setting mode.

Nlekọta

Nhicha

Jiri nwayọ hichaa oge ngụ oge, damp akwa . Ejila ihe nchacha abrasive ma ọ bụ tinye akụkụ ahụ n'ime mmiri.

Ngbanwe batrị

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.

Nchọpụta nsogbu

Ngụ oge anaghị aza

• Lelee nrụnye batrị ma hụ na batrị dị ọhụrụ.
• Pịa C button to clear any previous settings.

Alarm is too quiet or not sounding

• Dochie batrị.
• Ensure the timer is not in a location where the sound is muffled.

Display is blank or erratic

• Dochie batrị.
• If the issue persists after battery replacement, contact customer support.

Nkọwapụta

Akwụkwọ ikike na nkwado

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 websaịtị ma ọ bụ kpọtụrụ ngalaba ọrụ ndị ahịa ha.