Using a rugged 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 

Store up to 19 flash rates in memory for records or quick retests (Restarts at the last flash rate)  Power-SAVE feature automatically turns off the LEDs if no user-changes are detected on the keypad (can be disabled if desired)  Operates from internal NiMH Battery or via external AC-Adapter (provided)  Push button operation with x2 and ÷2 buttons for easy and precise adjustment along with phase shift  NIST-Traceable Calibration Certificate provided

Battery runtime of approx. 10 hours on a single charge. Supplied with an automatic charging system that prevents overcharging and damaging the battery  350 Lux brightness (measured at 6000 fpm at a distance of 50 cm)  2 year warranty  Includes an external trigger input for flash control via an external sensor or controller as well as a trigger output  ET-1 External Trigger Kit is optionally available includes external sensor and AC-Adapter for auto synchronization of strobe