While on the topic (kinda), for those that like to keep a voltmeter in 
the emergency/car kit  Harbour Freight has their cheapie on sale 
(frequent occurance) for 3.99USD. Certainly not a lab instrument but at 
4 bux....

( just couldn't keep that EE topic for a four dollar meter )
D



Russell McMahon wrote:
> NZ only:
> 
> Mitre 10 (a local hardware franchise with branches nationwide) have a 
> "Medallist" brand digital multimeter on sale for $NZ14.99
> 
> Key feature which prompts me to mention it here is that it has a 200 uA 
> range meaning it can resolve 0.1 uA changes. Accuracy on such a range is 
> not the point - being able to see changes of current for low power 
> circuits such as sleeping processors or real time clocks is very useful.
> 
> It also has a 10A DC range which is less common in cheap meters.
> 
> Also diode test, hFe,
> No low ohms beeper alas (a most valuable feature).
> 
> VDC: 0.2 2 20 200 1000*
> VAC: 200 750*
> (* safe voltage limited)
> 
> I: 0.2 2 20 200 10,000 mA
> Ohms: 200 2k 20k 200k 2000k
> diode hFe
> 
> Model 10282.
> Universal yellow
> Plug in test leads.
> Fused.
> 9v bat
> 
> Useful for the $
> 
> WARNING:    When measuring current on ANY cheapo meter measure the 
> voltage drop across the meter when operating. This may surprise you. 
> Resistances of 10 to 20 ohms on eg 200 mA range are not unknown and can 
> cause major problems in some cases if not accounted for.
> 
> 
>        RM
> 

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist