1. 서론
구매해주셔서 감사합니다asing the Kaise SK-7722 AC/DC Digital Clamp Meter. This instrument is designed for precise and versatile electrical measurements, featuring a unique 2-channel dual display capability. It allows for simultaneous measurement of two electrical parameters, such as DC current and DC voltage, or AC voltage and frequency, providing comprehensive data at a glance. The SK-7722 is an essential tool for professionals working with automotive electrical systems, including modern electric and hybrid vehicles, as well as general electrical equipment.
Its robust design includes dust and splash-proof features, ensuring reliability in various working environments. With capabilities for measuring AC/DC current up to 1000A, AC/DC voltage, resistance, frequency, duty cycle, and pulse width, this meter offers extensive functionality. An analog output terminal further enhances its utility by allowing connection to external recorders or oscilloscopes for detailed data logging and waveform analysis.
2. 안전 정보
To ensure safe operation and to avoid damage to the meter, please read and understand all safety instructions before use. Always adhere to local and national safety codes.
- 최대 입력 한도를 초과하지 마십시오. for any function. Refer to the specifications section for details.
- 볼륨을 사용할 때는 주의하세요tages above 30V AC RMS, 42V peak, or 60V DC. 이들 권tag이것은 충격 위험을 초래합니다.
- Inspect test leads for damaged insulation or exposed metal. 손상된 경우 교체하십시오.
- Ensure the function switch is in the correct position before making any measurement.
- Do not use the meter if it appears damaged or if it is not operating properly.
- Keep fingers behind the finger guards on the test probes during measurements.
- 회로에서 테스트 리드를 제거하십시오. before changing functions.
- 즉시 배터리를 교체하십시오 배터리 부족 표시등이 켜지면 정확한 측정을 위해 배터리 잔량을 확인하십시오.
3. 제품 오버view
The Kaise SK-7722 is a compact and feature-rich digital clamp meter designed for ease of use and accuracy.
3.1개의 구성요소
Figure 1: Kaise SK-7722 Digital Clamp Meter, including test leads, a 9V battery, and a protective carrying case.
3.2 컨트롤 및 디스플레이
그림 2: 상세 view of the SK-7722's dual LCD display, rotary function dial, and control buttons.
- Clamp 입 부분: 비접촉식 교류/직류 전류 측정에 사용됩니다.
- 기능 회전 다이얼: Selects the desired measurement function (e.g., A~, V~, V-, Ω, Hz, etc.).
- 듀얼 LCD 디스플레이: Shows two measurement readings simultaneously (e.g., current and voltag전자 또는 권tage and frequency). Features a 4000-count resolution.
- DUTY Button: Activates duty cycle measurement.
- DIFF Button: Used for differential measurements (if applicable).
- REC 버튼 : Activates data recording mode.
- DH Button: Data Hold function, freezes the current display reading.
- Input Terminals (VΩHz, COM, CH2): 볼륨 측정을 위한 테스트 리드를 연결하세요.tag예를 들어 저항, 주파수 및 기타 측정값.
- Analog Output Terminal: For connecting to external recording devices or oscilloscopes.
4. 설정
4.1 배터리 설치
- 계량기가 꺼져 있는지 확인하십시오.
- 측정기 뒷면에서 배터리 덮개를 찾으세요.
- 드라이버를 사용하여 나사를 풀고 덮개를 제거합니다.
- 새로운 9V 배터리를 넣을 때, +극과 -극을 올바르게 맞춰주세요.
- 배터리 칸 덮개를 다시 덮고 나사로 고정합니다.
4.2 테스트 리드 연결
- 권용tage, resistance, and frequency measurements, insert the black test lead into the 코. 단말기.
- 빨간색 테스트 리드를 VΩHz 단말기.
- For specific 2-channel measurements or other functions requiring a second input, refer to the operating instructions for connecting to the CH2 단말기.
- Ensure connections are secure before proceeding with measurements.
5. 사용 설명서
5.1 일반 측정 절차
- Turn the rotary dial to the desired measurement function.
- 테스트 리드 또는 클립을 연결하세요.amp the jaws to the circuit under test as appropriate for the selected function.
- Read the measurement value(s) on the dual LCD display.
- If the reading is unstable or out of range, adjust the function or range if manual ranging is available.
5.2 AC/DC 전류 측정(Clamp)
This function measures current without breaking the circuit.
- 회전 다이얼을 A~ (AC 전류) 또는 A- (직류 전류) 위치.
- cl을 열어라amp 방아쇠를 당겨 턱을 벌립니다.
- 회로의 도체 하나만 집게 안에 넣으세요. 집게가 완전히 닫혔는지 확인하세요.
- 디스플레이에 표시되는 현재 값을 읽으십시오. 직류 전류의 경우 극성을 확인하십시오.
5.3 AC/DC 볼륨tage 측정
- 검정색 테스트 리드를 코. 터미널 및 빨간색 테스트 리드 VΩHz 단말기.
- 회전 다이얼을 V~ (AC Voltag전자) 또는 V- (DC 권tag전자) 위치.
- 회로의 원하는 테스트 지점에 테스트 프로브를 꽂습니다.
- vol을 읽어보세요tag디스플레이의 e 값.
5.4 Resistance Measurement and Continuity Test
- 테스트 대상 회로의 전원이 차단되었는지 확인하십시오.
- 검정색 테스트 리드를 코. 터미널 및 빨간색 테스트 리드 VΩHz 단말기.
- 회전 다이얼을 Ω (저항) 위치.
- 측정하려는 부품이나 회로 부분에 테스트 프로브를 접촉시키십시오.
- For continuity, if the resistance is below a certain threshold (typically <50Ω), the meter will emit an audible beep.
5.5 Frequency, Duty Cycle, and Pulse Width Measurement
These functions are particularly useful for automotive diagnostics and signal analysis.
- Connect the test leads as for voltage measurement (COM and VΩHz).
- 회전 다이얼을 Hz 위치.
- Touch the test probes to the signal source. The display will show the frequency.
- 를 누르세요 의무 button to switch to duty cycle measurement.
- The meter may also provide pulse width measurement in this mode or a related function.
5.6 특수 기능
- MAX/MIN/PEAK Measurement: The meter can capture and display the maximum, minimum, or peak values during a measurement session. Refer to the specific button (often labeled MAX/MIN or PEAK) and follow on-screen prompts.
- Display Hold (DH): 를 누르세요 DH 버튼을 누르면 디스플레이에 현재 측정값이 고정됩니다. 다시 누르면 고정이 해제됩니다.
- 아날로그 출력 : The analog output terminal provides a voltage signal proportional to the measured value. This allows connection to oscilloscopes or data recorders for detailed waveform analysis or long-term data logging. Consult the meter's specific output ratio for accurate interpretation.
- 2-Channel Dual Display: The SK-7722 can display two different parameters simultaneously. For example, when measuring DC current with the clamp, you might also measure DC voltage using the test leads, with both values appearing on the upper and lower segments of the LCD.
6. 유지관리
6.1 청소
광고로 미터를 닦으세요amp cloth and a mild detergent. Do not use abrasives or solvents. Ensure the meter is dry before storage or use.
6.2 배터리 교체
Replace the 9V battery as described in Section 4.1 when the low battery indicator appears on the display. Remove the battery if the meter is not to be used for an extended period.
6.3 보관
계량기는 서늘하고 건조한 곳에 직사광선과 극한 온도 변화를 피해 보관하십시오. 제공된 휴대용 케이스를 사용하여 계량기를 보호하십시오.
7. 문제 해결
If the meter does not function properly, check the following common issues before seeking service.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 화면이 안 나오거나 아주 희미하게 나옵니다. | 배터리가 방전되었거나 약함 | 9V 배터리를 교체하십시오. |
| 잘못된 판독 | Incorrect function selected, poor test lead connection, or exceeding input limits. | Verify function dial position, ensure secure test lead connections, and check input limits. |
| "OL" 또는 "OVER"가 표시됩니다. | 측정값이 선택된 범위를 벗어났습니다. | Select a higher range or a different measurement function. |
| 미터가 응답하지 않습니다 | Internal fault or severe overload. | Turn off the meter, remove batteries, wait a few minutes, then reinsert and restart. If the problem persists, contact support. |
8. 사양
The following specifications are typical unless otherwise stated.
| 측정 기능 | 범위 | 세부 |
|---|---|---|
| AC / DC 전류 | 400A / 1000A | cl을 통해amp 입 부분 |
| AC/DC 볼륨tage | 40V / 250V | Via test leads |
| 저항 | 4KΩ / 20KΩ | Via test leads |
| 디스플레이 수 | 4000 카운트 | Dual LCD display |
| 치수(높이 x 너비 x 깊이) | 200 x 64 x 33mm | 근사치를 내다 |
| 특별 기능 | Max/Min Peak Measurement, Display Hold, Dust/Splash Proof, Analog Output, Frequency, Duty Cycle, Pulse Width |
9. 보증 및 지원
Kaise products are manufactured to high standards and are warranted against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the warranty card included with your product or contact your local Kaise distributor or customer service.
For technical support, troubleshooting assistance, or service inquiries, please contact Kaise customer support through their official website or the contact information provided with your purchase. Please have your model number (SK-7722) and purchase details ready when contacting support.
