23 to 25 September 2025 efa:ON
Testboy TV 456
A product of: Testboy GmbH
Testboy TV 456

Installation tester for tests according to DIN VDE 0100


All in One Tester with 3, 5 inch TFT color display and rotary switch

Loop resistance

Mains internal resistance

Short circuit current

Low resistance and continuity


RCD/FI for types A, AC, B, B+, F

RCD/FI for e-car charging stations (6mA DC)

TRMS voltage, rotating field and frequency, grounding

Memory for 1000 measurements and PC software to create a test protocol

Accessories: three crocodile clips (green / blue / red), three test leads (green / blue / red),

three test probes (green / blue / red), tip-commander, carrying strap, loop, power supply, USB cable, test adapter Schuko, carrying case, 6 x rechargeable battery, calibration certificate


Mr. André Siemer
Director Testboy GmbH


Testboy GmbH

Beim Alten Flugplatz 3
49377 Vechta

Tel.: +49 4441 89112-10

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