The X-Timer timer is used to automatically turn on and off unmanned, long-term on-site sampling. The device is equipped with a rechargeable battery that can operate continuously for up to 240 hours on a single charge.

　　Main features:
Built in rechargeable battery
Small size, can be operated with one hand
Programmable multiple sampling events
Stainless steel surface, clean and guaranteed

　　Application:
Environmental air sampling
Indoor air analysis
Surrounding monitoring of pollution sources
Analysis of TO-12, TO-14A, TO-15 compounds using the US Environmental Protection Agency methods

　　Size and weight:
6.2 "(H) x 4" (W) x 3 "(D), approximately 1.13 kilograms (2.5 pounds)