1. Ievads
The Sonel MIC-5050 is a professional-grade 5kV insulation resistance tester designed for comprehensive electrical insulation diagnostics. This device is capable of measuring insulation resistance up to 20 TΩ, offering a wide range of test voltages from 50V to 5000V. It is engineered for precision and reliability in various industrial and scientific applications, including testing cables, transformers, and electric machines. This manual provides essential information for the safe and effective operation of your MIC-5050.
1. attēls. Priekšpuse view of the Sonel MIC-5050 Insulation Tester, showing the display, control panel, and connection ports.
2. Drošības informācija
BRĪDINĀJUMS: Augsts tilpumstage equipment. Improper use can result in serious injury or death. Always adhere to safety procedures.
- Always ensure the device is properly grounded before operation.
- Do not operate the device in wet conditions or in the presence of explosive gases or dust.
- Verify that the object under test is de-energized and isolated from the power source before connecting the tester.
- Use only the test leads and accessories supplied or approved by Sonel.
- After each measurement, allow sufficient time for the measured object's capacitance to discharge automatically.
- Never touch the test leads or the object under test during a measurement.
- Regularly inspect test leads for damage. Replace any damaged leads immediately.
3. Galvenās iezīmes
The Sonel MIC-5050 offers a comprehensive set of features for advanced insulation testing:
- Izolācijas pretestības mērīšana: Up to 20 TΩ.
- Adjustable Test Voltage: 50V to 5000V (50-1000V in 10V steps, 1-5kV in 25V steps).
- Continuous Indication: Real-time display of measured insulation resistance or leakage current.
- Automātiska izlāde: Safely discharges object capacitance after measurement.
- Timed Measurements: Adjustable measuring time up to 99 minutes, 59 seconds.
- Absorption Coefficients: Measures Polarization Index (PI), Ab1, Ab2, and Dielectric Absorption Ratio (DAR) with metered T1, T2, T3 test times (1-600s).
- Pārbaudes strāva: Selectable 1.2 mA, 3 mA, and 6 mA (±15%).
- Mērīšanas metodes: Supports two- or three-wire insulation resistance measurement.
- Live Object Protection: Built-in protection against measuring live objects.
- Kapacitātes mērīšana: Measures capacitance during RISO testing.
- Temperatūras mērīšana: Compatible with an additional WASONT1 probe.
- Advanced Diagnostic Functions: Step Voltage (SV) insulation resistance measurement, Dielectric Discharge (DD) calculation, and damage location (burnout).
- Digitālie filtri: Improves measurement accuracy in high noise environments.
- Noplūdes strāva: Measurement during insulation resistance testing.
- Voltage Mērījums: DC un AC voltage measurement in the range of 0-750V.
- Graphical Display: Ability to draw graphs on the display during measurement.
- Innovative Memory: Stores measurement points, facilities, and customer names.
2. Attēls: beidziesview of Sonel MIC-5050 features and typical application areas such as cables, transformers, and electric machines.
4. Iepakojuma saturs
Pēc izsaiņošanas pārliecinieties, vai ir visas tālāk norādītās lietas:
- Sonel MIC-5050 Insulation Tester Unit
- USB kabelis
- L4 Carrying Case
- Sonel Reader Software
- 3M 10kV Red Test Lead
- 3M 11kV Black Test Lead
- 3M 11kV Blue Test Lead
- Crocodile Clip Black 11 kV 32A
- Crocodile Clip Red 11 kV 32A
- Crocodile Clip Blue 11 kV 32A
Figure 3: Visual representation of standard accessories included with the MIC-5050, such as test leads, crocodile clips, USB cable, and carrying case. Optional accessories are also shown.
5. Uzstādīšana un pamatdarbība
5.1 Sākotnējā iestatīšana
- Izpakošana: Carefully remove the MIC-5050 and all accessories from the carrying case.
- Ieslēgšana: Connect the device to a power source using the provided USB cable or ensure the internal battery is charged.
- Pašpārbaude: The device will perform a self-test upon power-on. Wait for it to complete.
- Language/Settings: Navigate through the menu to set your preferred language and other basic settings if prompted.
5.2 Testa vadu pievienošana
For insulation resistance measurements, connect the test leads as follows:
- Connect the red test lead to the 'L' (Line) terminal of the tester.
- Connect the black test lead to the 'E' (Earth) terminal of the tester.
- For three-wire measurements, connect the blue test lead to the 'G' (Guard) terminal.
- Attach the crocodile clips securely to the test leads and then to the object under test, ensuring good contact.
5.3 Basic Insulation Resistance Measurement (RISO)
- Izvēlieties režīmu: Use the rotary switch or menu to select the 'RISO' measurement mode.
- Set Test Voltage: Adjust the desired test voltage (e.g., 500V, 1000V, 5000V) using the appropriate controls.
- Set Test Time: If a timed measurement is required, set the duration.
- Uzsākt mērīšanu: Press the 'START' button. The device will apply the test voltage un parāda izolācijas pretestību.
- Novērot rezultātus: The display will show the resistance value and leakage current.
- Pabeigšana: Once the measurement is complete, the device will automatically discharge the object. Wait for the voltage to drop to a safe level before disconnecting.
6. Paplašinātās mērīšanas funkcijas
6.1 Polarization Index (PI) and Dielectric Absorption Ratio (DAR)
These tests assess the quality of insulation by measuring resistance at different time intervals.
- Select PI/DAR mode.
- The device will automatically perform measurements at specified T1, T2, and T3 intervals (e.g., 30s, 60s, 10min).
- The PI (R10min/R1min) and DAR (R60s/R30s) values will be calculated and displayed.
6.2 Step Voltage (SV) Test
The SV test applies increasing sējtage steps to detect insulation weaknesses that might not be apparent at a single voltage.
- Select SV test mode.
- Konfigurējiet voltage steps and duration for each step.
- The device will automatically execute the test, displaying resistance at each step.
6.3 Dielectric Discharge (DD) Test
The DD test helps identify localized defects in multi-layer insulation by measuring the discharge current after a high voltage pieteikums.
- Select DD test mode.
- The device will charge the insulation, then discharge it, measuring the residual current.
- The DD value will be calculated and displayed.
6.4 Leakage Current and Capacitance Measurement
The MIC-5050 can display leakage current during RISO tests and measure capacitance of the object under test.
- Leakage current is typically displayed alongside insulation resistance.
- Capacitance is measured automatically during RISO tests and displayed on the screen.
6.5 Digitālie filtri
When performing measurements in environments with high electromagnetic interference, activate the digital filter function via the menu to improve measurement stability and accuracy.
Figure 4: Graph illustrating the measurement range capabilities of various Sonel insulation testers, including the MIC-5050, alongside an image of the device in an industrial testing environment.
7. Tehniskās specifikācijas
Below are the key technical specifications for the Sonel MIC-5050:
| Parametrs | Specifikācija |
|---|---|
| Izolācijas pretestības diapazons | 0 ... 20 TΩ |
| Mērīšana Voltage | 50V ... 5000V (adjustable) |
| Pārbaudes strāva | 1.2 mA, 3 mA, 6 mA (±15%) |
| Voltage Mērīšana (maiņstrāvas/līdzstrāvas) | 0 ... 750 V |
| Kapacitātes mērīšana | During RISO measurement |
| Darba temperatūra | -20°C ... +50°C |
| Uzglabāšanas temperatūra | -25°C ... +70°C |
| Mitrums | 20% ... 90% |
| Iekļūšanas aizsardzība | IP67 (closed case) |
| Barošanas avots | Li-Ion 14.8V rechargeable battery, 90V-260V 50/60Hz from electric grid |
| Izmēri | 390 x 308 x 172 mm |
| Svars | Apm. 5.6 kg |
| Datu pārraide | USB un Bluetooth |
| Atmiņa | 990 cells (10,000 records) |
Figure 5: Detailed technical specifications for the Sonel MIC-5050, including measurement ranges, accuracy, and environmental conditions.
7.1 Charging and Discharging Characteristics
The following tables provide typical charging and discharging times for the tested object at various measurement voltages and capacitances.
| Mērīšana Voltage | Capacitance [µF] | Charging Time (Maximal) [s] | Discharging Time to 50V [s] |
|---|---|---|---|
| 5 kV | 1 | 4.3 | 0.4 |
| 10 kV | 1 | 4.3 | 0.4 |
| 15 kV | 1 | 4.3 | 0.4 |
Note: These values are approximate and may vary based on specific test conditions and object characteristics.
8. Apkope un kopšana
- Tīrīšana: Notīriet ierīci casing ar mīkstu, damp audums. Neizmantojiet abrazīvus tīrīšanas līdzekļus vai šķīdinātājus.
- Akumulators: Ensure the internal battery is charged regularly, especially if the device is stored for extended periods.
- Uzglabāšana: Store the device in its carrying case in a dry, dust-free environment within the specified storage temperature range.
- Kalibrēšana: Lai saglabātu mērījumu precizitāti, ieteicams regulāri veikt kalibrēšanu, ko veic pilnvaroti servisa centri.
9. Traucējummeklēšana
If you encounter issues with your MIC-5050, consider the following:
- Nav jaudas: Check battery charge or external power connection. Ensure the power cable is securely connected.
- Nestabili rādījumi: Verify test lead connections. Ensure the object under test is properly isolated. Activate digital filters in noisy environments.
- Kļūdu ziņojumi: Refer to the on-screen error codes or the full user manual for specific troubleshooting steps.
- Measurement Fails: Ensure the test voltage is appropriate for the insulation being tested. Check for short circuits or open circuits in the test setup.
For persistent issues, contact Sonel technical support.
10. Garantija un atbalsts
10.1 Informācija par garantiju
The Sonel MIC-5050 comes with a 24-month (two-year) warranty from the manufacturer, covering defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
10.2 Software and Virtual Instruments
The included Sonel Reader Software allows for data analysis and report generation. For additional resources and virtual instrument applications, visit the official Sonel webvietne:
Sonel Virtual Instrument Applications
For technical assistance, service, or further inquiries, please contact your authorized Sonel distributor or visit the official Sonel webvietne atbalsta kontaktinformācijai.
