1. Rhagymadrodd
The VWR 62379-036 Big-Digit Stopwatch Chronograph is a versatile timing instrument designed for precision in laboratory and plant environments. This unit offers comprehensive stopwatch functions and full chronograph features, making it suitable for a wide range of timing applications.
Mae nodweddion allweddol yn cynnwys:
- 6 cm diameter for comfortable handling.
- Easy-to-read display for clear visibility of measurements.
- Extra-tough, shockproof ABS construction ensures durability.

Figure 1: VWR 62379-036 Big-Digit Stopwatch Chronograph. This image displays the front view of the black stopwatch with its large digital display showing "22:38 10". Buttons are visible on the top and sides, and the VWR logo is present at the bottom of the display.
2. Gosod
2.1 Gosod Batri
The stopwatch typically comes with a battery pre-installed. If the display is blank or dim, battery replacement may be necessary. Refer to the battery compartment located on the back of the unit. Use a small screwdriver to open the compartment, insert a new battery (usually a button cell, e.g., LR44 or CR2032, check markings inside the compartment), ensuring correct polarity, and then securely close the compartment.
2.2 Pŵer Cychwynnol Ymlaen
Upon battery installation or first use, the stopwatch should power on automatically, displaying the current time or a default stopwatch mode. If not, press any button to activate the display.
3. Cyfarwyddiadau Gweithredu
The VWR 62379-036 stopwatch features multiple modes and functions controlled by its buttons. While specific button labels may vary slightly, common functions are typically assigned to buttons labeled MODE, START/STOP, and RESET/LAP.
3.1 Dewis Modd
Gwasgwch y MODD button (often located on the left side or top left) to cycle through the available modes:
- Modd Arddangos Amser: Yn dangos yr amser, y dyddiad a diwrnod yr wythnos cyfredol.
- Modd Stopwats: For timing events.
- Modd Larwm: Ar gyfer gosod ac actifadu larymau.
- Modd Amserydd: (If available) For countdown timing.
3.2 Pennu Amser a Dyddiad
- In Time Display Mode, press and hold the AILOSOD or GOSOD button (refer to device markings) until the digits begin to flash.
- Defnyddiwch y DECHRAU/STOPIO button to adjust the flashing digit (hours, minutes, seconds, month, day, year).
- Gwasgwch y MODD or AILOSOD botwm i symud i'r gosodiad nesaf.
- Unwaith y bydd yr holl osodiadau wedi'u cwblhau, pwyswch y AILOSOD or GOSOD botwm eto i adael y modd gosod.
3.3 Using the Stopwatch Function
- Switch to Stopwatch Mode using the MODD button. The display should show "00:00:00" or similar.
- Gwasgwch y DECHRAU/STOPIO button (often on the right side or top right) to begin timing.
- I oedi'r amserydd, pwyswch DECHRAU/STOPIO eto. Pwyswch ef unwaith eto i ailddechrau.
- To record a lap or split time while the stopwatch is running, press the LAP / AILOSOD button (often on the bottom left or front). The display will momentarily show the lap time while the main timer continues in the background.
- To stop the timer completely, press DECHRAU/STOPIO.
- I ailosod y stopwats i sero, pwyswch y LAP / AILOSOD botwm tra bod y stopwats wedi'i stopio.
3.4 Gosod a Defnyddio'r Larwm
- Switch to Alarm Mode using the MODD botwm.
- Pwyswch a dal y AILOSOD or GOSOD botwm nes bod y digidau amser larwm yn fflachio.
- Defnyddiwch y DECHRAU/STOPIO botwm i addasu'r oriau a'r munudau.
- Gwasgwch y MODD or AILOSOD button to toggle between hours and minutes.
- Gwasgwch y AILOSOD or GOSOD botwm eto i gadarnhau amser y larwm.
- I actifadu neu ddadactifadu'r larwm, pwyswch y DECHRAU/STOPIO button in Alarm Mode (a bell icon or similar indicator may appear on the display when active).
4. cynnal
4.1 Glanhau
Wipe the stopwatch with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these can damage the plastic casing and display. Ensure the unit is dry before storage.
4.2 Storio
Storiwch y stopwats mewn lle oer, sych i ffwrdd o olau haul uniongyrchol a thymheredd eithafol. Os ydych chi'n ei storio am gyfnod hir, ystyriwch dynnu'r batri i atal gollyngiadau.
5. Datrys Problemau
- Mae'r arddangosfa'n wag neu'n dywyll: Check the battery. Replace if necessary. Ensure the battery is inserted with correct polarity.
- Nid yw'r botymau'n ymateb: Ensure the unit is not in a locked mode (if applicable, though not specified for this model). Try removing and reinserting the battery to perform a soft reset.
- Inaccurate timing: Ensure the stopwatch is used in a stable environment. Extreme temperatures or strong electromagnetic fields can sometimes affect electronic devices.
6. manylebau
| Nodwedd | Manylyn |
|---|---|
| Rhif Model | 62379-036 |
| Brand | VWR |
| Diamedr | 6 cm |
| Deunydd Adeiladu | Plastig (ABS) |
| Arddangos | Big-Digit, Easy-to-read |
| Swyddogaethau | Stopwatch, Chronograph, Time, Date, Alarm |
| Gwrth-sioc | Oes |
| Pwysau Eitem | 907 g |
| Dimensiynau Pecyn | 7.62 x 7.62 x 5.08 cm |
7. Gwarant a Chefnogaeth
For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact VWR customer service directly. Keep your purchase receipt as proof of purchase.
For further assistance, visit the official VWR websafle neu cysylltwch â'u dosbarthwyr awdurdodedig.