<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Dave;<div><br></div><div>I bought an Amprobe DGC 1000 for around $1100. It takes seconds to get a reading, without taking any connections loose or shutting off power.<div>There are much cheaper units (3 point fall of potential type) to be had for under $500. They take more time, but also would be better for off grid measurements.</div><div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>R. Walters</div><div><br class="khtml-block-placeholder"></div><div><span class="Apple-style-span" style="font-size: medium; ">On Sep 14, 2010, at 8:04 PM, Dave Palumbo wrote:</span></div></span></div><div><br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div lang="EN-US" link="blue" vlink="purple"><div class="WordSection1" style="page: WordSection1; "><div style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; margin-top: 0in; margin-bottom: 0.0001pt; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">What Ray Walters said was the truth. Resistance to ground should be very low. How many dollars is that tester you use Ray? We don’t own one. On the wish list. </span></div></div></div></span></blockquote></div></div></div></body></html>