Testo 755-2 Current/Voltage Tester

Testo 755-2 Current/Voltage Tester Overview

The Testo 755-2 is a versatile electrical testing tool designed to streamline the most important tasks of the working day. As a current/voltage tester, it is suitable for determining voltage or de-energization, checking voltage levels and continuity, and measuring the flow of current along with current consumption. This instrument eliminates the hassle of broken accessories by allowing users to change faulty measuring tips without replacing the entire unit. With automatic measurement parameter detection and an integrated torch, the Testo 755-2 ensures operation and measurement are both easy and reliable in various lighting conditions.

Compared to the Testo 755-1, the Testo 755-2 features an increased voltage range of up to 1,000 V and enables rotating magnetic field measurement along with single-pole voltage testing to quickly determine whether conductors are live. This makes it an essential tool for electricians and maintenance professionals who require precision and safety. When you buy the Testo 755-2, you invest in a rugged device built for demanding environments. For those looking for the best price on reliable electrical testing equipment, the Testo 755-2 offers exceptional value and performance.

Technical Features and Field Applications of the Testo 755-2

The Testo 755-2 current/voltage tester is engineered to meet the rigorous demands of modern electrical work. Its design focuses on durability, accuracy, and user safety, ensuring that every measurement is trustworthy. Below are the key technical specifications and their practical applications in the field, demonstrating how this tester enhances workflow efficiency and measurement reliability.

• Operating humidity: 0 to 75 %RH – The device performs reliably in environments with moderate humidity levels, making it suitable for indoor electrical panels and controlled industrial settings without moisture interference.
• Storage temperature: -15 to +60 °C – This wide storage range ensures the tester remains safe and functional when not in use, even in unheated warehouses or vehicles exposed to seasonal temperature fluctuations.
• Weight: 320 g – The lightweight construction reduces user fatigue during extended testing sessions, allowing for comfortable one-handed operation in tight spaces.
• Dimensions: 199 x 62 x 40 mm – Its compact form factor enables easy storage in tool belts and口袋, ensuring the tester is always accessible on the job site.
• Operating temperature: -10 to +50 °C – The tester maintains accuracy in extreme conditions, from cold outdoor environments to hot industrial facilities, supporting year-round use.
• Protection class: IP64 – This rating confirms resistance to dust and water splashes, making the device suitable for dirty or damp work areas such as construction sites and maintenance workshops.
• Standards: EN 61243-3; EN 61010-1 – Compliance with these safety standards ensures the tester meets European requirements for electrical testing tools, providing peace of mind during high-risk measurements.
• Battery type: 2 AAA micro batteries – Common battery availability simplifies power management, allowing users to quickly replace batteries in the field without specialized equipment.
• Overvoltage Category: CAT IV 600V; CAT III 1000V – This high protection rating allows safe testing on distribution networks and fixed installations, ensuring user safety during transient overvoltage events.
• Measuring range Resistance: 30 to 100 kOhm – This range is ideal for checking continuity and verifying resistor values in control circuits and electronic components.
• Resolution Resistance: max. 1 Ohm – High resolution enables precise detection of minor resistance changes, critical for troubleshooting connection issues in complex wiring systems.
• Accuracy Resistance: ± (1.0 % of mv + 5 Digit) – This specification ensures reliable resistance measurements, reducing errors in diagnostic tasks and maintenance checks.
• Measuring range AC current: 0.1 to 200 A – The wide current range supports testing of both low-power devices and heavy-duty machinery, making it versatile for various industrial applications.
• Resolution AC current: max. 0.1 A – Fine resolution allows for accurate monitoring of current flow, helping identify energy inefficiencies or overloads in electrical systems.
• Accuracy AC current: ± (3 % of mv + 3 Digit) – This level of precision ensures trustworthy current measurements, essential for load balancing and equipment diagnostics.
• Measuring range AC voltage: 6 to 1000 V – The broad voltage range accommodates standard household circuits to high-voltage industrial systems, providing comprehensive testing capabilities.