1. 서론
This manual provides essential information for the safe and effective operation of your MiBoce Digital Insulation Resistance Tester. This intelligent instrument utilizes microcomputer technology, large-scale integrated circuits, and digital circuits to provide powerful measurement and data processing capabilities. It is designed for measuring insulation resistance, voltage, and low resistance, making it suitable for on-site power equipment and power supply line inspection and maintenance.
2. 안전 정보
Please read and understand all safety warnings and operating instructions before using this instrument. Failure to follow these instructions may result in electric shock, fire, or damage to the instrument.
- 높은 Voltage 경고: This device generates high voltage during insulation resistance tests. Always ensure proper connections and never touch test leads or the circuit under test during operation.
- 배터리 안전: Do not mix old and new batteries. Ensure correct battery polarity during installation. Do not operate the instrument with the battery compartment open.
- 환경 조건: Use the instrument within specified environmental limits (temperature, humidity). Avoid using in wet or explosive atmospheres.
- 점검: Before each use, inspect the instrument and test leads for any damage. Do not use if damaged.
- 적격 직원: Only qualified personnel should perform electrical measurements and maintenance.
3. 제품 특징
The MiBoce Digital Insulation Resistance Tester offers a range of features designed for efficient and accurate measurements:
- 테스트 볼륨tag에스: Selectable test voltages of 100V, 250V, 500V, and 1000V.
- 자동 범위: Automatic ranging for insulation resistance measurements.
- 데이터 저장: Capability to store measurement data for later review.
- Comparison Measurement: Allows for comparison of current readings against a set reference.
- Polarization Index (PI) Measurement: Automatically calculates the PI ratio based on timed measurements.
- Dielectric Absorption Ratio (DAR) Measurement: Automatically calculates the DAR ratio.
- LCD 백라이트: 다양한 조명 조건에서도 측정값을 선명하게 볼 수 있도록 보장합니다.
- 아날로그 막대 그래프: A 30-segment analog bar graph provides a quick visual indication of resistance trends.
- Over-range Warning: Alerts the user when measurements exceed the instrument's range.
- 높은 Voltage 표시: Visual indicator when high voltage is present at the test leads.
- Timing Measurement: Supports timed insulation resistance tests, typically around 30 minutes.
- 자동 전원 끄기: 일정 시간 동안 사용하지 않으면 자동으로 전원이 꺼져 배터리 수명을 절약합니다.
- 배터리 부족 표시: 배터리 교체가 필요할 때 사용자에게 알려줍니다.
4. 설정
4.1 배터리 설치
The instrument requires 8 x 1.5V LR14 batteries (not included). To install or replace batteries:
- Ensure the instrument is powered off and all test leads are disconnected.
- 장치 뒷면에서 배터리 칸을 찾으세요.
- 배터리 덮개를 엽니다.
- Insert 8 LR14 batteries, paying close attention to the correct polarity (+/-) as indicated inside the compartment.
- 배터리 덮개를 단단히 닫으세요.

이미지 설명: This image shows the underside of the MiBoce Digital Insulation Resistance Tester with the battery compartment cover removed, revealing the slots for eight LR14 batteries. This illustrates the correct location for battery installation.
4.2 테스트 리드 연결
The instrument comes with standard accessories including two single-plug test leads with clips (black and green) and one two-plug test lead with a clip (red). Connect the test leads to the appropriate terminals on the front panel:
- V Terminal: 권용tag측정.
- EARTH Terminal: Ground connection for insulation resistance tests.
- COM 터미널: Common terminal for various measurements.
- LINE A Terminal: Line connection for insulation resistance tests.

이미지 설명: 이 이미지는 자세한 내용을 제공합니다. view of the input terminals (V, EARTH, COM, LINE A) on the top panel of the tester, crucial for connecting test leads. It also shows the side panel with a trap door, adapter jack button, and USB insertion hole, indicating connectivity options.
5. 사용 설명서
5.1 전원 켜기/끄기
를 누르세요 켜짐/꺼짐 button to power the instrument on or off.
5.2 디스플레이 오버view
The large LCD provides clear readings and various indicators. The backlight can be activated for improved visibility.

이미지 설명: This image focuses on the LCD display of the tester, showing measurement data, function symbols, and a clear digital readout. The display indicates a 100V test voltage, resistance in MΩ, and a timer, demonstrating the clarity provided by the backlight.
5.3 절연 저항 측정
- Connect the test leads to the circuit under test (e.g., LINE A and EARTH terminals).
- 원하는 테스트 볼륨을 선택하세요tage (100V, 250V, 500V, or 1000V) using the appropriate buttons.
- 를 누르세요 시험 button to initiate the measurement. The high voltage 표시등이 켜집니다.
- Read the insulation resistance value on the LCD. The analog bar graph provides a visual trend.
- 누르다 비상 정지 or release the 시험 button to stop the measurement and discharge the circuit.
5.4 PI and DAR Measurement
The instrument can automatically calculate Polarization Index (PI) and Dielectric Absorption Ratio (DAR). Refer to the on-screen prompts and specific buttons for these functions.
5.5 데이터 저장 및 불러오기
사용하세요 구하다 button to store current measurement data. The 짐 button allows you to recall previously saved data.
5.6 DC/AC 볼륨tage 측정
Connect the test leads to the circuit. Select the DCV/ACV mode to measure DC or AC voltage up to 1000V DC or 750V AC.
6. 유지관리
6.1 청소
악기의 표면을 닦으세요asing는 부드러운 d로 발음합니다.amp 천으로 닦아주세요. 연마성 세제나 용제는 사용하지 마세요. 기기 내부로 습기가 들어가지 않도록 주의하세요.
6.2 배터리 교체
When the low battery indicator appears on the display, replace all 8 LR14 batteries as described in Section 4.1. Remove batteries if the instrument will not be used for an extended period.
6.3 보관
Store the instrument in a cool, dry place, away from direct sunlight and extreme temperatures. Keep it in its original packaging or a protective case to prevent damage.
7. 문제 해결
- 기기의 전원이 켜지지 않습니다. 배터리 설치를 확인하고 배터리가 새 것인지 확인하세요.
- 판독 불가 또는 불안정한 판독값: Ensure test leads are securely connected to both the instrument and the circuit under test. Check for damaged leads.
- "OL" or Over-range indication: The measured value exceeds the instrument's maximum range for the selected test voltage. This may indicate an open circuit or extremely high resistance.
- 배터리 부족 표시기: Replace all 8 LR14 batteries.
- 높은 볼륨tage warning remains after test: Ensure the circuit has been fully discharged. Do not touch test leads until the high voltage indicator is off.
8. 사양

이미지 설명: This image displays the MiBoce Digital Insulation Resistance Tester from an angled front view, highlighting its physical dimensions: 202mm in height, 155mm in width, and 94mm in depth. This provides a clear visual reference for the product's size.
| 매개변수 | 사양 |
|---|---|
| 절연저항 시험권tages | 100V, 250V, 500V, 1000V (0%~20% 오차 범위) |
| 절연 저항 범위(100V) | 0.1MΩ ~ 500MΩ; ±(3%+5) |
| 절연 저항 범위(250V) | 0.5MΩ ~ 2GΩ; ±(3%+5) |
| 절연 저항 범위(500V) | 1MΩ ~ 4GΩ; ±(3%+5) |
| 절연 저항 범위(1000V) | 2MΩ ~ 10GΩ; ±(3%+5) |
| DC 볼륨tag전자 (V) | Up to 1000V; ±(2%+3) |
| AC 볼륨tag전자 (V) | Up to 750V; ±(2%+3) |
| 단락 전류 | <2mA |
| Low Resistance (Ω) | 0.1Ω ~ 999.9Ω; ±(1%+3) |
| 전원 공급 장치 | 8 x 1.5V LR14 Batteries |
| 디스플레이 크기 | 123mm x 58mm |
| 제품 색상 | 빨간색과 회색 |
| 제품 순중량 | 1.2kg |
| 제품 치수 | 202mm x 155mm x 94mm |
| 표준 액세서리 | 2pcs one-plug test lead to one clip (black and green), 1pcs two-plug test lead to one clip (red) |
9. 보증 및 지원
Specific warranty information and customer support contact details are not provided within this manual. Please refer to the product packaging or the seller's web보증 조건 및 지원 옵션에 대한 자세한 내용은 해당 사이트를 참조하십시오.