

| Subject: | Re: Multi meters, Was Dang Headlights. |
| From: | David Beierl |
| Date: | Sat, 7 Jan 2017 01:51:28 -0500 |
Tom, you have to address that to <listserv@gerry.vanagon.com> instead of to the list. Yrs, d On Sat, Jan 7, 2017 at 1:48 AM, Tom Boldway <jboldway@hotmail.com> wrote: > set vanagon digest > > > > > > "Troublesome Tom" > Cowboy Action Shooting > S.A.S.S. #104512 > > 2010 Corvette "" (no name yet) > 2006 Cadillac DTS "they forgot the suspension" > 2005 Aston Martin DB9 > 2004 Maserati Spider Black "evil" > 1995 Ferrari 348 "zoom" > '86 Alfa Romeo Spider "Dinsdale" > '82 Dodge W150 Power Ram "E. Valdez" > > > -------- Original message -------- > From: Neil N <musomuso@GMAIL.COM> > Date: 1/6/17 11:20 PM (GMT-07:00) > To: vanagon@GERRY.VANAGON.COM > Subject: Re: Multi meters, Was Dang Headlights. > > Nice find. We were chatting about ammeters tonight over the campfire. Can't > believe $40 buys that type of meter! > > This one? > > https://www.amazon.com/MS2108A-Range-Digital-Current- > Tester/dp/B00SQ4UETO/ref=sr_1_1?ie=UTF8&qid=1483769821&sr=8- > 1&keywords=MS2108A+Auto+Range+Digital+Clamp+Meter+400+AC+DC+ > Current+Hz+Tester > > On Friday, January 6, 2017, Dennis Haynes <d23haynes57@hotmail.com> wrote: > > > So here we are in the New Year and Friday is over. I'd like to try doing > > something a little bit different. When a thread comes up I will try to > > offer some type of enlightenment to get us thinking of a better or > > different way. Let's raise the bar! So here is a safety thought for > meters. > > > > Inexpensive meters have their place. Most of the time when something is > > not working we just need to know if the power is on or if there is > > continuity. Heck often still reach for a test lamp. Accuracy is not a > > concern for many diagnostic needs. > > > > But there is another consideration, safety. Of course we should be > wearing > > eye protection when working with electricity, especially around > batteries. > > At some point we will use a meter incorrectly either because we don't > know > > what we are doing or we make a mistake. Maybe we are testing for > resistance > > and place the leads across a voltage source instead. For 12 volts this > > usually is not an issue. Although if use the ammeter function and we > > connect across battery there is hope that the fuse will open, and fast > > enough to prevent some mishap. Also, at some point you know you will try > to > > use the same meter for a 120 volt AC circuit or maybe you are at a > > campground that even has 240 VAC at the power pole. Even using a meter > > properly one could be exposed to a high voltage spike or surge that could > > overcome the insulation capabilities of the meter or leads. > > > > Meter are now also rated for protection levels. Here is some information. > > http://support.fluke.com/find-sales/download/asset/1263690_ > > 6116_eng_h_w.pdf > > > > As for features of late I have mentioned getting a meter with a clamp on > > ammeter. Also, having a bar graph display is really helpful when trying > to > > observe a vary condition such as the O2 sensor. Most bar graphs will > update > > multiple times per second, much faster than a numeric display. > > > > Here is a meter I purchased from Amazon back in June. It usually goes for > > ~$40. It has both AC and DC ammeter capability up to 400 amps and it has > a > > bar graph display. It has a hold function so you can catch a reading such > > as testing the starter. Even nicer is that this economy meter is rated > for > > Category 3 protection. > > > > MS2108A Auto Range Digital Clamp Meter 400 AC DC Current Hz Tester > > > > This meter is now my travel meter and I'll be getting another one. > > > > Dennis > > > > > -- > Neil n > > Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca> > > 1988 Westy Images <https://picasaweb.google.com/musomuso/New1988Westy> > > 1981 Westfalia "Jaco" Images, technical <http://tubaneil.googlepages.com/> > > Vanagon-Bus VAG Gas Engine Swap Group <http://tinyurl.com/khalbay> >
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