Testing, Measuring and Safety Instruments for industry, handcraft and service BENNING has developed a reputation as a real market leader arising from up-to-date developments, a consistently good workmanship and the demand, to test and certify each product by the independent VDE testing institute according to valid standards. Digital-Multimeter and Digital Clamp Meter The range offers an ideal solution for all requirements and applications. The instruments are produced with conventional, average-forming measuring method (RMS) as well as with true RMS measuring method to the highest over-voltage category CAT IV. Voltage, Continuity and Phase sequence tester The DUSPOL® and DUTEST® range for voltage, phase, polarity, phase sequence, continuity and semiconductor testing, meets the demands of professional users. Safety Instruments. The insulation and resistance tester BENNING IT101 is used for safety testing in electrical distribution systems, devices and machines in accordance with the European standard EN 61557-1-2 and 4 (DIN VDE 0413 part 1, 2 and 4). With the portable appliance tester BENNING 750 periodic testing in accordance with DIN VDE 0701/0702 and BGV A3 (VBG 4) can be carried out in a safe and time-saving way.