1. Вовед
This manual provides essential instructions for the safe and effective operation of the Benning IT 115 True RMS Installation Tester. This multifunction device is designed for testing electrical installations in accordance with international standards such as DIN VDE 0100-600, IEC 60364-6, DIN VDE 0105-100, and EN 50110. Please read this manual thoroughly before using the instrument.
2. Информации за безбедност
WARNING: Electrical shock hazard. Improper use of this instrument can result in injury or death. Always follow safety precautions.
- Always disconnect all test leads and switch off the instrument before opening the battery/fuse cover.
- Do not open the battery compartment if hazardous voltagе присутен.
- Ensure the instrument is in good working condition before use. Do not use if damaged.
- Observe all local and national safety regulations for electrical work.
- Only use the provided accessories or approved replacements.
- Не обидувајте се да ја измерите јачината на звукотtages or currents exceeding the instrument's specified limits.
3. Производот завршиview
The Benning IT 115 is a robust installation tester featuring a backlit graphic display and intuitive controls. It is designed for comprehensive electrical installation testing.

Слика 3.1: Предна страна view of the Benning IT 115 Installation Tester, showing the display, rotary switch, and control buttons.
Клучните компоненти вклучуваат:
- Graphic Display: Backlit screen for clear readings and connection diagrams.
- Ротирачки прекинувач: Selects measurement functions (e.g., R_ISO, R_LOW, Z_L-N/L, Z_L-PE, FI/RCD, SETTINGS).
- Контролни копчиња: Navigation, TEST, ON/OFF, HELP, ESC.
- Test Lead Connections: Input terminals for test leads.
- LED индикатори: Green/red LEDs provide quick pass/fail indications.

Слика 3.2: Заден дел view of the Benning IT 115, showing the battery compartment and safety warnings.
4. Поставување
4.1. Инсталација и полнење на батеријата
The Benning IT 115 operates on 6 rechargeable NiMH AA batteries. A charger is included for convenience.
- Ensure the instrument is switched off and all test leads are disconnected.
- Open the battery compartment cover on the rear of the device (refer to Figure 3.2).
- Insert the 6 NiMH AA batteries, observing correct polarity.
- Добро затворете го капакот на преградата за батерии.
- Connect the charger to the instrument's charging port and to a suitable power outlet to charge the batteries. The integrated battery charging function will manage the charging process.
NOTE: Do not use non-rechargeable alkaline batteries with the integrated charging function.
4.2. Connecting Test Leads and Accessories
The device comes with a set of accessories for various measurements.

Figure 4.1: Included accessories: carrying case, test leads, probes, crocodile clips, and rechargeable batteries.
- Connect the test cable with the protective contact plug for standard outlet measurements.
- For other measurements, use the 3-conductor universal cable (1.5 m length) with the provided test probes or crocodile clips as required by the specific test.
- Ensure all connections are secure before performing any tests.
5. Упатства за работа
The Benning IT 115 offers a range of measurement functions accessible via the rotary switch and control buttons. The graphic display provides clear readings and a help function with connection diagrams.
5.1. Вклучување/исклучување
Притиснете го ВКЛУЧЕНО/ИСКЛУЧЕНО button to switch the instrument on or off.
5.2. Insulation Resistance Measurement (R_ISO)
Measures insulation resistance between 0.01 MOhm and 1000 MOhm.
- Свртете го ротирачкиот прекинувач на R_ISO.
- Select the desired nominal test voltage (50V, 100V, 250V, 500V, 1000V) using the navigation buttons.
- Connect the test leads to the circuit under test as indicated by the on-screen help diagram.
- Притиснете го ТЕСТ копче за да започне мерењето.
- The result will be displayed, and the green/red LEDs will indicate pass/fail based on set limits.
5.3. Low-Ohm Resistance Measurement (R_LOW)
Measures low resistance from 0.01 Ohm to 2000 Ohms, typically for protective conductor continuity.
- Свртете го ротирачкиот прекинувач на R_LOW.
- Connect the test leads to the protective conductor.
- Притиснете го ТЕСТ button. The instrument uses a 200 mA test current with polarity reversal and a 7 mA test current for continuity.
- Observe the displayed resistance value.
5.4. Earth Resistance Measurement (R_E)
Measures earth resistance using the 3-conductor method (requires optional earthing kit 044113).
- Свртете го ротирачкиот прекинувач на R_E.
- Connect the optional earthing kit according to the on-screen diagram.
- Притиснете го ТЕСТ копче.
- The earth resistance value will be displayed.
5.5. Loop and Line Impedance Measurement (Z_L-N/L, Z_L-PE)
Measures loop impedance (0.01 Ohm - 10 kOhm) for fault current path and short-circuit current determination.
- Line Impedance (Z_L-N/L): Measures impedance between Line and Neutral or Line and Line, including voltage drop and short-circuit current.
- Loop Impedance (Z_L-PE): Measures impedance between Line and Protective Earth without tripping RCD/FI, including short-circuit current.
- Свртете го ротирачкиот прекинувач на Z_L-N/L or Z_L-PE.
- Connect the test leads to the appropriate points in the circuit.
- Притиснете го ТЕСТ копче.
- The impedance value and calculated short-circuit current will be displayed.
5.6. RCD/FI Test
Tests Residual Current Devices (RCDs) / Fault Current Circuit Breakers (FI) of types AC, A, and F, including standard and delayed (S) types.
- Tests include automatic test sequences, touch voltage, trip time, and trip current (ramp test).
- Features an RCD/FI analysis function.
- Свртете го ротирачкиот прекинувач на FI/RCD.
- Select the RCD type (AC, A, F) and nominal current using the navigation buttons.
- Connect the test leads to the circuit protected by the RCD.
- Притиснете го ТЕСТ button to start the test sequence.
- The results (trip time, trip current, touch voltagд) ќе се прикаже.
5.7. Rotary Field Test
Determines the phase sequence in three-phase systems.
- Turn the rotary switch to the rotary field test setting (refer to the device's specific icon).
- Connect the test leads to the three phases.
- The display will indicate the phase sequence.
5.8. Томtagд и Мерење на фреквенција
Мери AC/DC voltage и фреквенција.
- Voltage опсег: 1 V - 550 V AC/DC (True RMS measurement).
- Опсег на фреквенција: 0 Hz - 500 Hz.
- The instrument continuously monitors line voltage.
- Поврзете ги пробните кабли со волtagе извор.
- Волtage and frequency will be displayed automatically.
5.9. Help Function
The integrated help function provides connection diagrams and guidance for each measurement. Press the ПОМОШ button to access it.
6. Одржување
6.1. Чистење
Clean the instrument regularly with a soft, damp крпа. Не користете абразивни средства за чистење или растворувачи.
6.2. Нега на батерии
Recharge the NiMH batteries when the low battery indicator appears. If the instrument will not be used for an extended period, it is recommended to fully charge the batteries and store the device in a cool, dry place.
6.3. Замена на осигурувачите
The instrument uses a 0.315 A fuse (part number 757211). If a fuse blows, ensure the instrument is off and disconnected from all circuits before replacing it. Only use fuses of the specified type and rating.
7 Смена на проблеми
- Уредот не се вклучува: Check battery charge level. Ensure batteries are correctly inserted.
- Неточни мерења: Ensure test leads are properly connected and not damaged. Verify the correct measurement function is selected.
- RCD/FI test fails: Check RCD type and nominal current settings. Ensure the RCD itself is functional.
- Display shows "OVERLOAD" or "OL": The measured value exceeds the instrument's range for the selected function. Disconnect immediately.
If problems persist, contact Benning customer support or a qualified service technician.
8. Спецификации
| Карактеристика | Спецификација |
|---|---|
| Производител | Бенинг |
| Број на модел | 044104 |
| Димензии (Д x Ш x В) | 11.5 x 10.3 x 23 cm (4.5 x 4.1 x 9.1 инчи) |
| Тежина | 1.01 кг (2.23 фунти) |
| Напојување | 6 AA NiMH rechargeable batteries (included) |
| Опсег на отпор на изолација | 0.01 MOhm - 1000 MOhm |
| Тест за изолација Voltages | 50V, 100V, 250V, 500V, 1000V |
| Low-Ohm Resistance Range | 0.01 Ohm - 2000 Ohms (200mA test current) |
| Loop/Line Impedance Range | 0.01 Ohm - 10 kOhm |
| RCD/FI Test Types | AC, A, F (Standard and Delayed 'S') |
| AC/DC Voltagе опсег | 1 V - 550 V (True RMS) |
| Опсег на фреквенција | 0 Hz - 500 Hz |
| Усогласеност | DIN VDE 0100-600, IEC 60364-6, DIN VDE 0105-100, EN 50110, IEC |
| Минимално работење Voltage | 50 волти |
| Максимален оперативен волуменtage | 600 волти |
9. Гаранција и поддршка
Benning provides a 1-year availability for spare parts for the IT 115 Installation Tester. For technical support, service, or warranty claims, please contact your local Benning distributor or visit the official Benning webсајт.
Always refer to the official Benning documentation for the most up-to-date warranty terms and support information.