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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:

Extech 42529 Information The Extech 42529 is a wide range infrared thermometer with laser pointer that measures non-contact surface temperature to 600 Degrees F (320 Degrees C). It features a 6:1 distance to target ratio, fixed emissivity (0.95) that covers 90-percent of surface applications, audible and visual overrange indicators, and automatic data hold after the trigger is released. The thermometer also includes a built-in laser pointer for easy aiming, and it is switchable between Celsius and Fahrenheit. Introduction The Extech 42529 is a versatile and accurate infrared thermometer that can be used for a variety of applications, including: