Megger Insulation Resistance Tester
GOAL: check the insulation and materials quality
PRINCIPLE: Apply during a defined time a stable continuous voltage, measure the resulting current in between the two parts under test and check with the Ohmic law that the insulation resistance is higher than the minimum value required by the standard. Generally phase and neutral are shunted and the test is made between those 2 shunted points against the ground point. The DUT is not connected to mains !
TEST CONDITIONS (according to the main standards):
♦ Voltage 500 V DC
♦ Time 1 min
♦ Resistance > 1 Mohm to 10 Mohm
Dwell up time: 0-999.9s
Measurement Speed: 3 meas /sec
Insulation Resistance Basic Accuracy: ±5%
Standards:
EN60065: Voltage :500V DC Threshold: depending on the DUT, 2M, 4M... Time: 1min
EN60204-1: Voltage :500V DC Threshold: 1M Time: no defined
EN60335-1: Voltage :500V DC Threshold: depending on the DUT, 2M, 7M... Time: 1min
EN60598-1: Voltage :500V DC Threshold: 2M Time:1min
EN60950: Voltage :500V DC Threshold: 2M Time: no defined
Excellent performance:
1. Adjust the output voltage automatically
(press the voltage button for 1000V output , pop-up the voltage button for 500V)
2. Discharge after test is finished.
3. The lower-limit resistance of the measured product can be pre-set
Technical Parameters:
Model |
CS2676FX |
|
|
Output voltage (DC) |
Range |
500V/1000V |
Accuracy |
±(5%+3counts) |
|
Range |
Test range |
|
2MΩ |
200kΩ~2 MΩ ±(5%+2counts) |
|
20MΩ |
2 MΩ ~20 MΩ ±(5%+2counts) |
|
200MΩ |
20 MΩ~200MΩ ±(5%+2counts) |
|
2000MΩ |
200MΩ~1000MΩ ±(5%+2counts) 1000MΩ~2000MΩ ±(7%+2counts) |
|
Standard accessories:



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