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Residual voltage
The residual voltage test serves to determine the remaining connections at touchable connections (e.g. the power plug) in accordance with the standard voltage of a test specimen after operation or after the test. The aim of the test is to ensure that no impermissibly high voltage that could pose a threat.
The measurement is only carried out after a normatively prescribed waiting period has elapsed. During this time, the device under test dissipate stored electrical charges. Such residual voltages are generated, for example, by:
- the charging of capacitive components,
- internal energy storage,
- or by inductive effects within the circuit.
After the waiting time has elapsed, the voltage and compared with the permissible limit. An automatic assessment ensures that the Residual voltage meets the normative requirements and the device under test can be classified as safe to touch.
What products does SCHLEICH supply?
- Combination test devices (combination with further safety or function tests)
- Fully automated test sequences
- Various evaluation methods
- External triggering capability
- Test devices of various device classes
Standards committees
For legal reasons, we cannot in many cases make a binding statement about the Test conditions. The currently valid standards for your product to be tested are decisive for the application.
The standard may vary depending on the product's geographical area of use. Further information can also be found, among others, at the institutes listed below.
Test devices and Test systems
GLP2-MODULAR
Multifunction test device with up to 25 test methods
- “All in one”
- Safety test devices
- Safety & functional test devices
- Modularly combinable from over 25 test methods
- Up to 250 test connections
- Switching matrixes for all types of test methods
- PL e, SIL 3, two-hand control Type III C, Cat. 4 safety circuit (depending on device variant and degree of hazard)
- Network
- Protocol & label printing
- Scanner …
- Technology Package for even greater ergonomics
GLP3
Class-leading test technology unlimited
The top class of test and measurement technology for safety & function test.
- “All in one”
- Safety & functional test devices
- For complex projects
- For complex automation
- For highest demands
- Modularly combinable from over 30 test methods
- Up to 350 test connections
- Switching matrices for all types of test methods
- PL e, SIL 3, Cat. 4 safety circuit, two-hand operation 2-channel safety
- Windows 11®
- Network
- Protocol & label printing
- Industry 4.0
- Interfaces for automation such as PROFINET, EtherCAT, TCP/IP, …
- Interfaces to MES, ERP, CAQ systems, …
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