Relay Matrix - High voltage, switching Matrix
In many production plants, different test types or different connections of a test item are tested one after the other. To avoid manual switching and the resulting loss of time, switching with the help of a relay matrix is important. This multiplies the measurement outputs to the desired number of test points. This enables fully automatic switching of individual test points or disconnection of connections between different measuring instruments. The powerful relay matrix STM has a modular design and can be expanded to the desired number of measuring points. Due to this flexibility, any test combinations of the connection points among each other are possible. Ideally, the relay matrix can be operated with the intuitive ST EOL test software. The desired relay combination is part of the test plan and can be defined per test step.
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Important information about relay matrices can be found here:
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2-Wire Relay Matrix STMAs low as €4,950.00Learn More- Robust 2-wire matrix
- Measuring points freely connectable
- Test connection via Harting plug
- Continuity tests
- High voltage tests
- Insulation resistance tests
- Surge voltage tests
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4-Wire Relay Matrix STMAs low as €4,980.00Learn More- Robust 4-wire matrix
- Measuring points freely connectable
- Test connection via Harting plug
- Continuity tests
- High voltage tests
- Insulation resistance tests
- Surge voltage tests
Tests in two- and four-wire technology
Resistance tests, capacitance tests or inductance tests are often performed as a four-wire measurement to increase the accuracy of the measurement results. With these high-precision measurements, it is important that the line resistances are compensated. Such tests are often performed in combination with a high-voltage, insulation, or surge voltage test up to 5kV. Resistance testers, multimeters or LCR meters are not designed to withstand voltages at the input. Therefore, it is important that the measuring instruments are separated from each other with a switching matrix.
Safe discharge circuit and discharge monitoring
Since many DUTs can also have a capacitive influence, the energy can be stored in the DUT and a discharge can only occur after the matrix has been switched. This is not only dangerous for the tester, but also for the measuring instruments. The Sourcetronic STM matrix has a built-in discharge circuit and optionally a discharge monitor. This discharge monitoring can be controlled in combination with the intuitive ST®EOL operating software, for example by means of a locked test cage that can only be opened when no voltage is measured at the output relays. The control of the relay matrix is optionally controllable via LAN or USB interface. Thanks to the robust 19" housing, the relay matrix can be integrated into any existing test system.
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