Testboy TV 456 installation tester for tests in accordance with DIN VDE 0100 With every electrical system, safety precautions and operational functions are two of the most important requirements to prevent hazards to persons, systems and buildings. The new Testboy TV 456 battery-powered DIN VDE 0100 tester is a professional and convenient installation tester with a large 3.5-inch TFT colour display and rotary switch. As always, attention was paid to quality, functionality and ease of use during the development of the device tester, in line with the company motto "From practice for practice". The Testboy TV 456 offers users a range of different features, which can be selected depending on the requirements. This all-in-one tester is multifunctional. Technical data Display: TFT colour display with backlight Over-voltage category: CAT III 600 V, CAT IV 300 V Voltage range: TRMS: 0 - 550 V AC Frequency: 10 - 400 Hz Power supply: 9 V DC (6x 1.5-V AA batteries or rechargeable batteries) Test current: A, AC, B, B+, F, EV Insulation resistance: test voltage 50/100/250/500/1000 V Contact voltage RCD-Uc: 0 - 99.9 V Tripping time: 0 - 500.0 ms Interface: USB Adjustable auto power-off function Standard: DIN VDE 0100-600 Dimensions: 95 x 255 x 135 mm Weight: 1530 g https://elecena.pl/product/29337020/61933102-installation-tester-tv-456 2025-09-08 https://elecena.pl/product/29337020/61933102-installation-tester-tv-456 2026-02-14