1. 서론
The Qiilu 8-in-1 Voltage Tester Pen is a compact and lightweight electrical instrument designed for detecting AC and DC voltage, as well as polarity. This multifunctional tool features an integrated LED light and can also serve as a screwdriver. It is suitable for testing a wide range of voltages from 6V to 380V, making it ideal for various automotive and household electrical applications. This manual provides essential information for the safe and effective use of your voltag전자 테스터.

Figure 1: Qiilu 8-in-1 Voltage Tester Pen. This image shows the yellow voltage tester pen with its black probe, positioned in front of a white convertible car, illustrating its use in automotive contexts.
2. 안전 정보
Always observe the following safety precautions when using the Qiilu Voltage 테스터 펜:
- 전기적 위험: This device tests live electrical circuits. Improper use can result in electric shock, injury, or death.
- 지침을 읽어보세요: 사용하기 전에 이 설명서의 모든 지침을 읽고 이해하세요.
- 개인 보호 장비: Always wear appropriate personal protective equipment (PPE), such as safety glasses and insulated gloves, when working with electricity.
- 사용 전 검사: Before each use, inspect the tester for any signs of damage, including cracks in the casin전선이 닳거나 손상된 경우 사용하지 마십시오.
- 작동 범위: Do not attempt to test voltages outside the specified range of 6V to 380V.
- 건조한 조건: Use the tester only in dry conditions. Do not use in wet or damp 환경.
- 적격 직원: 전기 관련 절차에 대해 확신이 서지 않는다면 자격을 갖춘 전기 기술자에게 문의하십시오.
3. 제품 특징
The Qiilu 8-in-1 Voltage Tester Pen offers the following key features:
- 다기능 디자인: 결합 권tage testing, an LED light, and a screwdriver function.
- 와이드볼tag전자 범위: Capable of testing AC and DC voltag6V ~ 380V입니다.
- 명확한 표시: Features multiple LED indicator lights for precise voltage level readings (6V, 12V, 24V, 50V, 110V, 220V, 380V).
- 극성 감지: Indicates positive and negative polarity for DC circuits.
- 소형 및 휴대성: Lightweight design for easy carrying and use in various environments.

Figure 2: Key features of the Qiilu Voltage Tester. This image displays the yellow voltage tester alongside a list of its main functionalities, including its compact design, 8-in-1 features, voltage and polarity indication, and multiple gear indicator lights for AC/DC testing.
4. 패키지 내용
패키지에는 일반적으로 다음이 포함됩니다.
- 1 x Qiilu 8-in-1 Voltage Tester Pen (Model QL-108)

Figure 3: Dimensions of the Voltage Tester. This image shows the voltage tester with measurements indicating its length (18.5cm / 7.3in), the length of the black probe (12.5cm / 4.9in), and the cable length (80cm / 31.5in).
5. 설정
The Qiilu Voltage Tester Pen is ready for use out of the box. No assembly or battery installation is required as it draws power directly from the circuit being tested.
- Ensure the tester and its probes are clean and free from damage.
- Familiarize yourself with the voltage indicator lights on the tester body.
6. 사용 설명서
Follow these steps to use your voltag전자 테스터:
6.1. AC/DC 볼륨tage 테스트
- Hold the main body of the tester firmly.
- Connect the red probe tip to one point of the circuit you wish to test.
- Connect the black probe tip to the other point of the circuit.
- Observe the LED indicator lights on the tester. The lights corresponding to the detected voltage level will illuminate. For example, if testing a 12V car battery, the 6V and 12V LEDs should light up.
- AC 볼륨의 경우tage, the lights will indicate the approximate voltage range. For DC voltage, the lights will indicate the voltage, and the polarity indicator (+/-) will show the positive or negative terminal.

Figure 4: Testing a fuse box with the voltage tester. This image shows the voltage tester being used to check connections within a car's fuse box, demonstrating its application in automotive diagnostics.

Figure 5: Using the voltage tester on an electrical panel. The image depicts the voltage tester's probes connected to terminals inside an electrical control panel, indicating its suitability for industrial or home electrical work.
6.2. Polarity Indication (DC Circuits)
When testing DC circuits, the tester will indicate polarity:
- 만약 '+' LED illuminates, the red probe is connected to the positive terminal and the black probe to the negative terminal.
- 만약 '-' LED illuminates, the red probe is connected to the negative terminal and the black probe to the positive terminal (reverse polarity).
6.3. 드라이버 기능
The tips of both probes can be used as small screwdrivers for light-duty tasks. Ensure the circuit is de-energized before using the probes as screwdrivers to avoid electrical hazards.

Figure 6: Detail of the black probe tip. This close-up shows the flat-head screwdriver tip of the black probe, highlighting its secondary function.

Figure 7: Detail of the red probe tip. This close-up shows the flat-head screwdriver tip of the red probe, also indicating its secondary function.
7. 유지관리
To ensure the longevity and accuracy of your voltag전자 테스터:
- 청소: Wipe the tester with a dry, soft cloth. Do not use abrasive cleaners or solvents.
- 저장: 테스터는 직사광선과 극한 온도 변화를 피해 서늘하고 건조한 곳에 보관하십시오.
- 점검: Regularly inspect the probes and cable for any damage or wear. Replace the unit if significant damage is found.
8. 문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| No LED indication when testing a known live circuit. |
|
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| Inconsistent LED readings. |
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9. 사양
| 특징 | 세부 사항 |
|---|---|
| 모델 번호 | QL-108 |
| 상표 | 치루 |
| 권tag및 범위 | AC/DC 6V - 380V |
| 최소 작동 볼륨tage | 6 볼트 |
| 표시등 | 6V, 12V, 24V, 50V, 110V, 220V, 380V, Positive (+), Negative (-) |
| 기능 | 권tage testing, Polarity indication, LED light, Screwdriver |
| 전원 | Draws power from circuit under test (no internal battery required) |
| 크기(대략) | Tester body: 18.5 cm (7.3 in) | Probe length: 12.5 cm (4.9 in) | Cable length: 80 cm (31.5 in) |
| 무게(대략) | 65g |
| 원산지 | 중국 |
10. 보증 및 지원
For warranty information or technical support, please refer to the documentation provided with your purchase or contact Qiilu customer service through their official channels. Keep your purchase receipt as proof of purchase.