SPI225 - Measuring equipment Megger - Free user manual and instructions
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| Product Type | Insulation Resistance Tester |
| Brand | Megger |
| Model | SPI225 |
| Category | Measuring Equipment |
| Insulation Test Voltage | 200 V to 5000 V (adjustable) |
| Insulation Resistance Range | 10 kΩ to 1 TΩ |
| Polarization Index (PI) | Yes |
| Dielectric Absorption Ratio (DAR) | Yes |
| Step Voltage Test | Yes |
| Capacitance Measurement | Yes |
| Leakage Current Measurement | Yes |
| Display | Large LCD with backlight |
| Power Supply | Rechargeable Li-ion battery or AC adapter |
| Battery Life | Approximately 6 hours of continuous testing |
| Memory | Internal memory for up to 1000 test results |
| Communication | USB port for data transfer |
| Safety Rating | CAT IV 600 V, CAT III 1000 V |
| Dimensions (H x W x D) | 270 x 250 x 120 mm |
| Weight | 2.5 kg |
| Operating Temperature | -10°C to +50°C |
| Storage Temperature | -20°C to +70°C |
| IP Rating | IP54 (splash proof) |
| Standards | IEC 61010, IEC 61557 |
| Accessories Included | Test leads, alligator clips, charger, user manual, software CD |
| Maintenance | Periodic calibration recommended; clean with a damp cloth |
| Repairability | Serviceable only by authorized Megger service centers |
Frequently Asked Questions - SPI225 Megger
What tests can the Megger SPI225 perform?
The SPI225 performs insulation resistance tests, polarization index (PI), dielectric absorption ratio (DAR), step voltage tests, capacitance measurement, and leakage current measurement.
How do I connect the test leads for a standard insulation test?
Connect the red lead to the LINE terminal, the black lead to the GUARD terminal, and the blue lead to the EARTH terminal. Use alligator clips for secure connections.
What is the maximum voltage output of the SPI225?
The maximum test voltage is 5000 V DC, adjustable in steps from 200 V.
Can I download test results to a computer?
Yes, the SPI225 has a USB port for data transfer. Use the provided software to download and analyze results.
How do I recharge the battery?
Connect the provided AC adapter to the charging port on the side of the unit. The battery charges fully in about 4 hours. A charging indicator is on the display.
What safety precautions should I take when using the SPI225?
Always use the meter on de-energized circuits only. Observe CAT IV 600 V and CAT III 1000 V safety ratings. Wear insulated gloves and safety glasses.
How often should the SPI225 be calibrated?
Megger recommends annual calibration to ensure accuracy. Calibration should be performed by an authorized service center.
What does the GUARD terminal do?
The GUARD terminal is used to bypass surface leakage currents. Connect it to the guard ring of the insulation to improve measurement accuracy.
Can the SPI225 measure capacitance?
Yes, it measures capacitance from the insulation under test, typically in the range of nano- to microfarads.
What is the display showing?: 'Hi' or 'Lo'?
'Hi' indicates the resistance is above the measurement range (typically >1 TΩ). 'Lo' indicates a short circuit or very low resistance. Check connections and test object.
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Product information
Brand : Megger
Model : SPI225
Category : Measuring equipment