Wow.

That certainly explains why I need a new battery in my caliper so soon!  (I 
was noticing this just the other day.)

----- Original Message ----- 
From: "Brooke Clarke" <brooke@pacific.net>
To: "Russell McMahon" <apptech@paradise.net.nz>; <piclist@mit.edu>
Sent: Wednesday, June 13, 2007 10:54 AM
Subject: [OT]:: Today's problem - Adjust the anemometer


> Hi Russell:
>
> Some comments about "Off".
>
> I have within arm's reach a Harbor Freight (made in China) digital vernier
> caliper that seems to eat batteries.  Then read a web page that had
> demonstrations that proved that all the "Off" function did was turn off 
> the
> LCD.  All the rest of the functionality runs as long as the battery is
> installed.  The Japanese calipers actually turn off and their batteries 
> last a
> very long time.  I've got quite good at pulling the battery.
>
> I've been monitoring my sleep using a G-Pendant from Onset Computers for 3
> months about 10 hours per day on the same 2032 battery. [PIC] It uses a 
> 16F690
> and the Analog Devices XL330 3-axis accelerometer.  Very cleaver design 
> that
> uses an optical I/O via USB.  A magnet is used to signal that I/O is 
> desired
> and can trigger the start of data logging.   Has no "Off" switch, but when 
> not
> logging a LED flashes very briefly with a period of 8 seconds.
> http://www.prc68.com/I/GPend.shtml
>
> I've read that here in California there may be rules on the way that will
> specify how much power is consumed by "Off" electrical equipment.
> -- 
> Have Fun,
>
> Brooke Clarke
> http://www.PRC68.com
> http://www.precisionclock.com
>
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