DESCO 19492 Digital Static Field Meter， +/-19.99kV Power Supply<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Portable meter for testing of electrostatic fields: measures surface voltage and polarity on objects up to +/-19.99 kV at a distance of 1"</li><li>Durable dissipative housing design with membrane switches; protects meter from physical damage and minimizes wear</li><li>LED range finder; red ranging lights help operator to place the meter at the correct distance from the object being measured</li><li>Hold button allows the measurements to be retained for easy reading， and extends battery life</li><li>Made in America</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51zPo1Nk5KL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51xhkkW0XdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51QgWG2mVEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51TYmZ0bX1L.jpg" noproxy>