소개
This manual provides essential information for the safe and effective operation of your Cen-Tech 7 Function Digital Multimeter. Please read this manual thoroughly before use and retain it for future reference.
주요 특징
- Automatic zero adjust
- 범위 초과 표시기
- 2.5x second samp시간
- 배터리 부족 표시기
- Fuse and diode protected circuit
- Easy-to-read 3-1/2" digital LCD
- Includes two 24" 18 gauge CCA test leads
- High impact housing with soft overmold for a comfortable grip
제품 끝view
The Cen-Tech 7 Function Digital Multimeter is a versatile tool designed for checking home electrical systems and various other electrical measurements. It features a clear digital display and a rotary switch for selecting functions.
그림 1: 전면 view of the Cen-Tech 7 Function Digital Multimeter in its retail packaging, showing the red multimeter with black and red test leads.
그림 2: 뒤로 view of the Cen-Tech 7 Function Digital Multimeter packaging, highlighting key features, specifications, and a Proposition 65 warning.
설정 및 배터리 설치
The multimeter requires one 9V battery for operation. Ensure the battery is correctly installed before first use.
- 멀티미터 뒷면에서 배터리함을 찾으세요.
- 배터리 덮개를 엽니다.
- 새로운 9V 배터리를 넣을 때, 극성(+/-)을 반드시 확인하십시오.
- 배터리 덮개를 단단히 닫으세요.
Connect the included test leads to the appropriate jacks on the multimeter. The red lead typically connects to the positive (+) or VΩmA jack, and the black lead connects to the common (COM) jack.
작동 지침
To operate the multimeter, turn the rotary switch to the desired function and range. The digital display will show the measurement. Always select a range higher than the expected measurement to avoid damaging the device.
측정 기능:
- DC 볼륨tag전자(DCV): Used for measuring direct current voltage. Select the appropriate DCV range (e.g., 200mV, 2V, 20V, 200V, 250V).
- AC 볼륨tage (ACV): Used for measuring alternating current voltage. Select the appropriate ACV range (e.g., 200V, 250V).
- 직류 전류(DCA): Used for measuring direct current. Select the appropriate DCA range (e.g., 200µA, 2mA, 20mA, 200mA, 5A).
- 저항(Ω): Used for measuring electrical resistance in ohms. Select the appropriate Ohm range (e.g., 200Ω, 2KΩ, 20KΩ, 200KΩ, 2000KΩ).
- 다이오드 테스트: Used to check the functionality of diodes.
- Transistor (hFE) Test: Used to measure the DC current gain of transistors.
For detailed instructions on specific measurement procedures, refer to specialized electrical guides or instructional videos. Always ensure proper safety precautions are followed when working with electricity.
유지
To ensure the longevity and accuracy of your multimeter, follow these maintenance guidelines:
- 멀티미터를 깨끗하고 건조하게 유지하십시오. 부드러운 천으로 닦으십시오.amp 천을 사용하십시오. 연마성 세척제나 용제를 사용하지 마십시오.
- 정확한 측정값을 얻으려면 디스플레이에 배터리 부족 표시등이 나타나면 9V 배터리를 교체하십시오.
- The circuit is fuse and diode protected. If the multimeter stops functioning correctly, check the internal fuse (refer to a qualified technician for fuse replacement if necessary).
- 멀티미터를 직사광선과 극한 온도 변화를 피해 서늘하고 건조한 곳에 보관하십시오.
문제 해결
If you encounter issues with your multimeter, consider the following common solutions:
- 화면이 표시되지 않거나 화면이 어둡게 표시됩니다. Check and replace the 9V battery.
- "OL" or Overrange Indicator: The measured value exceeds the selected range. Switch to a higher range setting.
- 잘못된 판독: Ensure test leads are properly connected, the correct function and range are selected, and the battery is not low.
- No continuity/resistance reading: Check if the test leads are damaged or if the internal fuse has blown.
For persistent issues or complex repairs, it is recommended to consult a qualified electrician or technician.
명세서
| 기인하다 | 세부 사항 |
|---|---|
| 상표 | 센테크 |
| 모델 번호 | 69096 |
| 제품 치수 | 5 x 2.75 x 1인치; 5.6온스 |
| 품목 무게 | 0.35 파운드 |
| 전원 | Battery Powered (1 x 9V battery required, included) |
| 스타일 | 디지털 |
| 색상 | 빨간색 |
| AC 볼륨tag전자 최대 | 250V |
| DC 볼륨tag전자 최대 | 250V (200mV minimum) |
| DC Current Max | 5A (200µA minimum) |
| 주파수 범위 | 45Hz ~ 450Hz |
| 저항 범위 | 200 ohms – 2000K ohms |
| Samp르 타임 | 초당 2.5회 |
| 테스트 리드 | Two 24" 18 gauge CCA test leads included |
안전 정보
경고:
This product can expose you to chemicals including DINP, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Always exercise caution when working with electrical circuits. Do not attempt to measure voltages or currents beyond the specified maximums of this device. Ensure the multimeter is in good working condition before each use.
지원 및 보증
For support or warranty information, please contact the manufacturer, Cen-Tech, or the distributor, Harbor Freight Tools. Specific warranty details are not provided in this manual.
Distributed by: Harbor Freight Tools, Camarillo, CA
Web대지: www.HarborFreight.com
