Touch Current Measuring Circuit Figure 5 Network Of IEC 60990 For Leakage testing box
Touch Current Measuring Circuit Figure 5 Network Of IEC 60990 For Leakage
Product description: This test network conforms to the measuring network requirements of IEC60990, GB/T121132 touch current and the measurement method of protective conductor current, Figure 5 measuring network, touch screen weighted for letgo.
Parameter:
| Name | Value |
| Rs | 1500Ω |
| RB | 500Ω |
| Cs | 0.22μF |
| R2 | 10000Ω |
| R3 | 20000Ω |
| C2 | 0.0062μF |
| C3 | 0.0091μF |
Preparation:
Before testing, you need to prepare instruments as follow:
Oscilloscope x1
One or ten times the voltage probe x1
Power supply x1 (the test voltage or frequency that can be adjusted or changed to the required voltage or frequency)
Remark: HongCe also offers IEC 60990 fig. 3 and fig.4 touch current measuring mircuit networks , please consult us for more details.
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