This is a robust installation tester with a large 3.5" TFT colour LCD display. The installation tester also offers, in addition to the various measuring modes such as insulation resistance, grounding resistance, loop impedance, voltage, low-impedance measurement and RCD test with the camera function, the possibility of documenting suitable photos with the measurements. With the installation tester, you can ensure that fixed installations are safely and correctly installed. Thanks to the dual display, the intuitive symbols and the high viewing angle, you can comfortably and quickly perform your measurements with the installation tester. With the low-resistance measurement of the installation tester, you can check grounding conductors, potential equalization rails and protective conductors for low impedance.

The measuring range for low-resistance measurement with the installation tester is in the range of 0 - 2000 Ω with a resolution of 0.001 - 1 Ω. Probably the most important measurement of the installation tester is the measurement of insulation resistance. Electrical cables are placed under voltage during the insulation measurement in order to detect fault currents, which generate material migration or heat. In most cases, these current faults are so minimal that they are not detected by protective devices and in the worst case they can lead to a fire. The installation tester can carry out installation measurement with a test voltage of 125V, 250V, 500V or 1000V.

The load current is in each case 1 mA. The installation tester is independent of the mains supply. In order to bring all systems and circuits of a power supply system to a common potential (ground reference or potential reference) and to protect against short-circuit currents and overvoltages, the earthing resistor should be as low-impedance as possible. With a measuring range of 0 ... 2000 Ω with a resolution of 0.01 ... 1 Ω, the installation tester DT-6650 offers all the prerequisites for a meaningful measurement of the grounding resistance.

EVSE adapter for charging plugs type 1 and 2 / PP and CP simulation /
Schuko socket connection / Direct acceptance of all connections via laboratory plugs

Electromobility is playing an increasingly important role. An important point here are the charging stations for electric vehicles. Special measuring devices are needed to check the function, protective devices and insulation of permanently installed charging stations, also known as wallboxes. Often, measuring devices are already available to perform the required measurements. An adapter is therefore required so that the measuring device can be connected to the charging station.

The EVSE adapter is specially designed for this application and already comes with a variety of functions. For example, all lines leaving the charging station are output individually via laboratory plugs. Thus, all lines can be tapped via the EVSE adapter. This allows the charging station to be checked for insulation with the help of the EVSE adapter. The EVSE adapter has a shock-proof plug connection. The RCD tester can be used to check the residual current device.

A charging cable not only contains the supply lines for charging an electric vehicle, but also two interfaces. The electric vehicle communicates with the charging station via the CP line (Control Pilot) and communicates the current status of the electric vehicle. The PP line (Proximity Plug) is used for communication between the connected charging cable and the charging station. The charging cable can thus tell the charging station how many amps it may be loaded with. To test both functions, the EVSE adapter is equipped with corresponding simulators.