1. 서론
This manual provides detailed instructions for the installation, operation, and maintenance of your Zerone SH-748 Quartz Hour Meter. This device is designed for accurate time tracking on various equipment, including engineering vehicles, cars, trucks, marine vessels, and ATVs. Please read this manual thoroughly before installation and use to ensure proper function and longevity of the product.
2. 안전 정보
- Always disconnect power before installing or servicing the hour meter to prevent electrical shock.
- 전원 공급 장치 볼륨을 확인하십시오.tage matches the meter's specified voltage range (12V-36V AC/DC). Incorrect voltag전자는 장치를 손상시킬 수 있습니다.
- Do not attempt to open or modify the hour meter. There are no user-serviceable parts inside.
- Keep the device away from excessive moisture or extreme temperatures outside its operating range.
- 모든 배선 연결이 안전하고 적절하게 절연되어 단락을 방지하세요.
3. 제품 오버view
The Zerone SH-748 is a compact, round quartz hour meter featuring a 6-digit mechanical display. It is designed for durability and accurate timekeeping in demanding environments.

그림 3.1: 앞쪽 view of the Zerone SH-748 Quartz Hour Meter, showing the 6-digit scrolling digital display.

그림 3.2: 상세한 view highlighting the wiring hole and the screw-fixed installation mechanism on the hour meter.

그림 3.3: The hour meter shown with its front and back, alongside the included connection terminals for wiring.
구성 요소:
- 표시하다: 6-digit mechanical counter for hours (00000.0 to 99999.9).
- 주택: Durable, fully sealed casing for protection against environmental factors.
- 장착 브래킷 : Metal bracket with screws for secure panel installation.
- 연결 단자: Included for electrical wiring.
4. 설정 및 설치
Follow these steps to properly install your Zerone SH-748 Quartz Hour Meter.
4.1. 설치 위치 선택
Select a flat, stable surface on your equipment's dashboard or panel. Ensure the location is easily visible for reading and protected from direct impact or extreme vibrations. The meter is suitable for various applications, including:

그림 4.1: Examples of equipment where the hour meter can be used, such as motorboats, motorcycles, snowmobiles, and lawn mowers.

그림 4.2: The hour meter seamlessly integrated into a motorcycle's instrument panel.
4.2. Mounting the Meter
- Drill a circular hole of appropriate diameter (refer to specifications for exact size) in the chosen panel location.
- Insert the hour meter into the hole from the front.
- Secure the meter from the rear using the provided metal mounting bracket and screws. Tighten the screws firmly but do not overtighten.

그림 4.3: 뒤쪽 view of the hour meter, illustrating the mounting bracket and electrical connection terminals.

그림 4.4: A different angle of the hour meter's rear, showing the secure attachment of the mounting hardware.
4.3. 배선 지침
The hour meter operates on 12V-36V AC/DC. Connect the meter to a power source that is active when the equipment is in operation.
- Identify the positive (+) and negative (-) terminals on your equipment's power source.
- Connect the provided connection terminals to the appropriate wires from your power source.
- Insert the wired terminals into the corresponding slots on the back of the hour meter. Ensure a firm connection.
- 볼륨을 확인하세요tage input is within the 12V-36V AC/DC range.

그림 4.5: 상세한 view of the wiring connections and the product label indicating AC/DC 12-36V input.
4.4. 설치 비디오 가이드
For a visual guide on the installation process, please refer to the video below. This video demonstrates the connection of the hour meter and its components.
동영상 4.1 : This video demonstrates the physical components and basic assembly of the AC/DC 12-36V Quartz Hour Meter Gauge Tester, including the meter itself and its connection terminals.
5. 사용 설명서
The Zerone SH-748 Quartz Hour Meter is designed for straightforward operation.
- Once properly installed and connected to a power source, the meter will automatically begin accumulating hours when power is supplied to it.
- The 6-digit display shows the total accumulated operating hours, with the last digit representing tenths of an hour.
- The meter does not have a reset function, ensuring continuous and tamper-proof tracking of equipment usage.
- The red indicator on the display rotates to confirm the meter is actively counting.
6. 유지관리
The Zerone SH-748 Hour Meter requires minimal maintenance due to its robust and sealed design.
- 청소: Wipe the display and housing with a soft, damp 천으로 닦아주세요. 표면을 손상시킬 수 있는 연마성 세제나 용제는 사용하지 마세요.
- 연결 확인: 주기적으로 배선 연결부를 검사하여 안전하게 유지되고 부식되지 않았는지 확인하세요.
- 환경 보호: While the meter is fully sealed and dust-proof, prolonged exposure to extreme conditions beyond its specified operating range should be avoided to maximize lifespan.
7. 문제 해결
If you encounter issues with your hour meter, refer to the following common problems and solutions:
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| Meter not displaying hours / No power |
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| Inaccurate hour counting |
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| Red indicator not rotating |
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If the problem persists after attempting these solutions, please contact Zerone customer support.
8. 사양
| 모델 | SH-748 |
| 카운트 범위 | 99999.9시간 |
| Count Accuracy | ±0.01 |
| 장치 재설정 | 아니요 |
| 권tage | 12V-36V AC / DC |
| 전력 소비 | 0.3와트 |
| 작동 온도 | -10℃ ~ 50℃ |
| 상대 습도 | 완전 밀봉 |
| 지진 Amp위도 | 10-70HZ 1-8g (Heavy strength) |
| 품목 무게 | 123g |
| 재료 | 스테인리스 스틸 |
| 제조업체 | 제론 |
9. 보증 및 지원
Warranty information for the Zerone SH-748 Quartz Hour Meter is not provided within this instruction manual. For details regarding warranty coverage, returns, or technical support, please refer to the product packaging or contact your retailer or the manufacturer directly.
제조업체: 제론





