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Extech 461880 Information The Extech 461880 is a combination vibration meter and laser tachometer that measures acceleration, velocity, displacement, RPM, and linear surface speed. It features a remote vibration sensor with magnetic adapter on a 39" (1m) cable, a wide frequency range of 10Hz to 1kHz, RMS and Peak Value measurement modes, manual/auto store/recall up to 1000 readings, data hold function, and auto shut-off. The laser tachometer has a range of up to 4.9ft (1.5m) and stores last, max, and min readings. Image: Full specifications:

Laserliner ActiveMaster Digital Information The Laserliner ActiveMaster Digital is a reliable and easy-to-use digital voltage tester with a wide range of features. It can be used to test both alternating current (AC) and direct current (DC) voltages, and it has an automatic range and function changeover to save you time. The ActiveMaster Digital also features a bright LED display with a bar graph, making it easy to read the results of your measurements. Here is an overview of the Laserliner ActiveMaster Digital's specifications: Feature Specification Measuring range AC: 220 V to 600 V DC: 2 V to 1000 V Accuracy AC: ±1.5% DC: ±1.0% Resolution AC: 0.1 V DC: 0.01 V Display Backlit LED display with bar graph Dimensions 155 x 55 x 35 mm Weight 130 g Here are some of the key features of the Laserliner ActiveMaster Digital: