Consideration of customer wishes. The new Fluke voltage and continuity testers are now more stable and user-friendly than ever before. Fast test results that you need in your daily work, with large user-friendly buttons, backlighting, and clear acoustic and physical indicators for every work situation. Sturdy, high-quality construction for long durability. This includes a durable, molded plastic housing, thicker test leads with wear indicators, a robust battery compartment, and a precise protective device for the test probes. The improved ergonomic design facilitates handling and operation (even with gloves) and allows for quick, secure contact with the test probes. A comprehensive family of testing devices with the performance features, functions, and price-performance ratio for your applications and requirements. Reliable measurement results with ISO calibration. ISO calibration is required when the measuring device is used in an ISO 9001 certified environment for measurement tasks. An ISO certification is also helpful and often a prerequisite for experts, acceptance bodies, or testing laboratories.