NJTy T-6125 Digital Isolation Tester User Manual

1. Увод

Thank you for choosing the NJTy T-6125 Digital Isolation Tester. This device is a professional-grade instrument designed for accurate measurement of insulation resistance, absorption ratio, polarization index, AC voltage, and low resistance. It features a high-performance integrated circuit, wide measurement range, and multiple test voltage levels, making it an essential tool for electricians and maintenance technicians. This manual provides detailed instructions for safe and effective operation, maintenance, and troubleshooting.

Слика 1: Предња страна view of the NJTy T-6125 Digital Isolation Tester, showing the large LCD display and control dial.

2. Безбедносне информације

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 serious injury.

• Увек се уверите да је уређај у добром радном стању пре употребе. Не користите га ако је оштећен.
• Do not operate the tester in wet environments or explosive atmospheres.
• Wear appropriate personal protective equipment (PPE), such as insulated gloves and safety glasses, when performing electrical measurements.
• Verify that the circuit under test is de-energized before connecting or disconnecting test leads, unless performing live voltage measurements as specified.
• Не прекорачујте максималне улазне напоне за јачину звукаtagе и струја.
• Пре рада се уверите да је одељак за батерије безбедно затворен.
• Refer to the warning label on the back of the device: "TO AVOID ELECTRICAL SHOCK, REMOVE TEST LEADS BEFORE OPENING CASE. READ OPERATING MANUAL."

3. Производ је готовview

3.1 Кључне карактеристике

• Versatile Measurement: Measures insulation resistance, absorption ratio (DAR), polarization index (PI), AC voltage, and low resistance.
• Високе перформансе: Professional-grade integrated circuit design with wide measurement range and high output power.
• Multiple Test Voltagес: Offers 100V, 250V, 500V, 1000V, and 2500V test voltage options for insulation resistance.
• Екран прилагођен кориснику: Large LCD screen with grey-white backlight for easy readability.
• Управљање подацима: Features measurement data retention (HOLD), excessive alarm, and automatic shutdown.
• Издржљива конструкција: Designed to be shock-resistant and dust-proof, suitable for various electrical equipment testing.
• Automatic Discharge: Includes an automatic discharge function after insulation resistance testing.

3.2 Компоненте и прибор

Figure 2: The NJTy T-6125 Isolation Tester shown with its carrying case, test leads, and alligator clips.

Пакет обично укључује:

• NJTy T-6125 Digital Isolation Tester
• Test Leads (Red, Black, Green)
• Аллигатор Цлипс
• Торбица за ношење
• Кориснички приручник (овај документ)

Figure 3: Detail showing the large backlit LCD display and the robust, anti-fall plastic shell design of the T-6125.

4. Подешавање

4.1 Инсталација батерије

1. Ensure the device is powered off and all test leads are disconnected.
2. Пронађите поклопац одељка за батерију на задњој страни тестера.
3. Користите одвијач да бисте отворили поклопац одељка за батерију.
4. Insert 8 x 1.5V AA batteries, observing the correct polarity (+/-) as indicated inside the compartment.
5. Securely close the battery compartment cover and fasten the screws.

Слика 4: Задња страна view of the T-6125, highlighting the battery compartment cover.

Figure 5: The open battery compartment, showing the slots for 8 AA batteries.

4.2 Повезивање мерних каблова

Connect the test leads to the appropriate input terminals on the tester. Ensure a secure connection before proceeding with any measurements.

5. Упутство за употребу

5.1 Укључивање/искључивање

• To power on, rotate the central rotary switch from the "OFF" position to the desired measurement function.
• To power off, rotate the central rotary switch to the "OFF" position.
• The device features an automatic shutdown function after 30 minutes of inactivity to conserve battery life.

Figure 6: Illustration of the 30-minute automatic shutdown feature for battery conservation.

5.2 Мерење изолационог отпора

1. Ensure the circuit under test is de-energized and safely discharged.
2. Connect the test leads to the circuit or component to be tested.
3. Rotate the central switch to one of the insulation resistance test voltage settings (e.g., 250V, 500V, 1000V, 2500V).
4. Притисните тастер ТЕСТ button to initiate the measurement. The display will show the insulation resistance value.
5. After the test, the device will automatically discharge the circuit.
6. Притисните тастер ХОЛД button to retain the displayed measurement. Press again to release.

5.3 Absorption Ratio (DAR) and Polarization Index (PI) Measurement

1. Follow steps 1-3 for insulation resistance measurement.
2. Rotate the central switch to the "DAR/PI" position.
3. Притисните тастер ТЕСТ button. The device will perform timed insulation resistance measurements to calculate DAR and PI.
4. The results will be displayed sequentially.

5.4 АЦ Волtagе Мерење

1. Повежите испитне каблове на АЦ волtagе извор.
2. Rotate the central switch to the "ACV" position.
3. Тхе АЦ волtagе ће бити приказано на екрану.

5.5 Мерење ниског отпора

1. Уверите се да је коло које се тестира искључено из струје.
2. Connect the test leads to the component for low resistance measurement.
3. Rotate the central switch to the "Low Resistance" position (indicated by Ω).
4. Вредност отпора ће бити приказана.

Figure 7: The T-6125 being used in diverse applications such as industrial control panels, telecommunication towers, circuit boards, and automotive electrical systems.

6. Одржавање

• Чишћење: Користите меку, дamp cloth to clean the exterior of the device. Do not use abrasive cleaners or solvents.
• Замена батерије: Replace batteries promptly when the low battery indicator appears. Always use new, identical batteries.
• Складиштење: Када се уређај не користи дуже време, извадите батерије да бисте спречили цурење. Чувајте уређај на хладном и сувом месту, даље од директне сунчеве светлости и екстремних температура.
• калибрација: For professional use, periodic calibration by qualified personnel is recommended to ensure accuracy.

КСНУМКС. Решавање проблема

8. Спецификације

9. Гаранција и подршка

For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact your retailer. Specific warranty terms may vary by region and seller.