1. Įvadas
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. Saugos informacija
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 voltage yra.
- 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.
- Naudokite tik pateiktus priedus arba patvirtintus pakaitalus.
- Nebandykite matuoti tūriotages or currents exceeding the instrument's specified limits.
3. Produktas baigtasview
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.

3.1 pav.: priekis view of the Benning IT 115 Installation Tester, showing the display, rotary switch, and control buttons.
Pagrindiniai komponentai apima:
- Graphic Display: Backlit screen for clear readings and connection diagrams.
- Sukamasis jungiklis: Selects measurement functions (e.g., R_ISO, R_LOW, Z_L-N/L, Z_L-PE, FI/RCD, SETTINGS).
- Valdymo mygtukai: Navigation, TEST, ON/OFF, HELP, ESC.
- Test Lead Connections: Input terminals for test leads.
- LED indikatoriai: Green/red LEDs provide quick pass/fail indications.

3.2 pav.: galinis view of the Benning IT 115, showing the battery compartment and safety warnings.
4. Sąranka
4.1. Baterijos įdėjimas ir įkrovimas
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.
- Saugiai uždarykite akumuliatoriaus skyriaus dangtelį.
- 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. Naudojimo instrukcijos
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. Įjungimas/išjungimas
Paspauskite ĮJUNGTA/IŠJUNGTA 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.
- Sukite jungiklį į padėtį 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.
- Paspauskite TESTAS mygtuką, kad pradėtumėte matavimą.
- 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.
- Sukite jungiklį į padėtį R_LOW.
- Connect the test leads to the protective conductor.
- Paspauskite TESTAS 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).
- Sukite jungiklį į padėtį R_E.
- Connect the optional earthing kit according to the on-screen diagram.
- Paspauskite TESTAS mygtuką.
- 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.
- Sukite jungiklį į padėtį Z_L-N/L or Z_L-PE.
- Connect the test leads to the appropriate points in the circuit.
- Paspauskite TESTAS mygtuką.
- 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.
- Sukite jungiklį į padėtį 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.
- Paspauskite TESTAS button to start the test sequence.
- The results (trip time, trip current, touch voltage) bus rodomas.
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. ttage ir dažnio matavimas
Matuoja AC/DC ttage ir dažnis.
- ttage Diapazonas: 1 V - 550 V AC/DC (True RMS measurement).
- Dažnių diapazonas: 0 Hz - 500 Hz.
- The instrument continuously monitors line voltage.
- Prijunkite bandymo laidus prie ttage šaltinis.
- Ttage and frequency will be displayed automatically.
5.9. Help Function
The integrated help function provides connection diagrams and guidance for each measurement. Press the PAGALBA button to access it.
6. Priežiūra
6.1. Valymas
Clean the instrument regularly with a soft, damp audinys. Nenaudokite abrazyvinių valiklių ar tirpiklių.
6.2. Akumuliatoriaus priežiūra
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. Saugiklio keitimas
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. Problemų sprendimas
- Įrenginys neįsijungia: Check battery charge level. Ensure batteries are correctly inserted.
- Netikslūs rodmenys: 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. Specifikacijos
| Funkcija | Specifikacija |
|---|---|
| Gamintojas | Beningas |
| Modelio numeris | 044104 |
| Matmenys (I x P x A) | 11.5 x 10.3 x 23 cm (4.5 x 4.1 x 9.1 colio) |
| Svoris | 1.01 kg (2.23 svaro) |
| Maitinimo šaltinis | 6 AA NiMH rechargeable batteries (included) |
| Izoliacijos varžos diapazonas | 0.01 MOhm - 1000 MOhm |
| Izoliacijos bandymas ttages | 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 ttage Diapazonas | 1 V - 550 V (True RMS) |
| Dažnių diapazonas | 0 Hz–20 000 Hz |
| Atitiktis | DIN VDE 0100-600, IEC 60364-6, DIN VDE 0105-100, EN 50110, IEC |
| Minimalus veikimo tūristage | 50 voltų |
| Didžiausias darbinis tūristage | 600 voltų |
9. Garantija ir palaikymas
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 websvetainę.
Always refer to the official Benning documentation for the most up-to-date warranty terms and support information.





