
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.
Guangzhou HongCe Equipment Co., Ltd.
Guangzhou HongCe Equipment Co., Ltd (hereinafter referred to as HongCe) is located in Guangzhou, China, since 2003, engaged in developing and providing test equipment and detection system for electronic & electrical products, house appliances and other products. HongCe is professionally dedicated in providing laboratory testing equipment and production line testing system, we are now the high-tech enterprises with technical superiority and R & D capabilities in test instruments industry.
Our core technologies encompass vacuum, leak testing & automatic control, laboratory test equipment & solution. Our technical leader is an expert in leak detection, his more than 2 decades of experience are a great asset to our firm. Our technical team is comprised of wellexperienced engineers and technicians.
HongCe laboratory testing equipment are designed and manufactured as per the requirements of GB, IEC, EN, UL, VDE, BS, AS, ISO standards and etc. Our main products are: switch, plug, socket and coupler test equipment; mechanical strength impact test equipment; material fire hazard test equipment, enclosure protection test probes; waterproof and dustproof environmental testing equipment; household appliances testing equipment; wire and cable testing equipment; luminaires test equipment; electric tools test equipment; information technology and audio & video test equipment. Our products are widely used in domestic and worldwide measurement & certification institutions, inspecting mechanism, laboratories, export & import inspection and quarantine bureau, various production companies and etc. Our customer includes Bureau Veritas, CSA, ITS, UL, TUV Rheinland, TUV SUD, SGS and etc.
HongCe production line testing equipment are mainly customized according to client's workpieces, such as automatic leak testing system, gas recovery system, other tailor-made system based on vacuum & leak testing technology.