Hoto Instruments

The optional external trigger immediately synchronizes an ESL-20 LED Stroboscope with a rotating object. The inductive proximity sensor is aimed at a ferrous target mounted on the drive shaft and triggers the strobe to flash each time the target passes the sensor. ET-1 External Trigger Kit is complete with sensor, 6' cable and AC adapter (up to 240VAC). Ferrous target not included.

The ESL-20 series LED stroboscope is designed to measure the speed of rotating or cycling linear motion objects without contact or reflective tape, as well as freeze motion visually. Built with an aluminum housing and the latest technology, it’s compact size, NIMH rechargeable battery and lifetime LED lights make it a perfect choice for use anywhere on the factory floor. The ESL-20 is ideal for speed, motion and vibration analysis, such as rotating shafts, fans, cams, etc.