Ideal for difficult conditions Assessing the quality of connections Because the device weighs just 1.5 kg and features a compact housing fitted with a carrying strap, it can even be used in situations where it cannot be put down, for example when working on ladders or hoisting platforms. The powerful lithium-ion battery guarantees operation independent of the power supply even for periods of several hours and longer. Because there are two voltage measurement inputs, the quality of connections such as screw connections on busbars can be determined quickly and easily using the quality factor. The quality factor is defined by the ratio of the resistance of the connection over the overlap length to the resistance of the busbar over the same length. Determination of resistance at two measurement points Precise determination of contact resistances Because the device is equipped with two current outputs and two voltage measurement inputs, it is possible to carry out parallel measurements at two measurement points in order to be able to assess the quality of connections, for example. In addition, when used in combination with an ACTAS switchgear test system, up to 12 main contacts can be tested in parallel. Constant test currents up to 200 A High-accuracy, compact micro-ohm meter PROMET SE+ is a compact, battery-operated ohm meter with an adjustable test current of up to 200 A. Two current outputs and two voltage measurement inputs allow the resistance to be determined at two measurement points simultaneously. Flexible handling with battery operation and the high functionality and precision which are characteristic of the popular PROMET product range make this universal measuring device particularly suitable for portable use in switching stations or industrial environments. Four-wire measuring technology enables PROMET SE+ to meet the most stringent accuracy requirements, making it ideal for the high-precision determination of resistances in the μΩ range. A current source based on state - of - the - art power electronics and capacitor technology provides constant output for test currents up to 200 A, even during battery operation. The test currents are load-independent and adjustable. Regular measurements of the contact resistance allow an accurate assessment of the condition of contact systems. Using PROMET SE+, excessively high transfer resistances resulting from poor connections can be identified by measuring the static contact resistance. This ensures that maintenance requirements can be identified at an early stage and down times kept to a minimum.

PROMET SE+ is equipped with interfaces for connection to ACTAS test instruments. Using the ACTAS testing software, resistance measurement can easily be integrated in circuit breaker tests. This makes it simple to automate tests and carry out a comprehensive analysis of the test results. The measured values are used for the evaluation of tests and are included in the test report. When used in combination with ACTAS, PROMET SE+ can carry out dynamic contact resistance measurements on three poles and on 4 main contact chambers per pole simultaneously. This means that the measurement can be carried...