At 19:09 1998-09-15 +0000, you wrote:
>On Tue, 15 Sep 1998, Morgan Olsson wrote:
>
>> Hi
>> I am looking for cheap accelerometers.
>> PCB or screw mount.
>> One axis.
>> Range about 5m/s2.
>> Current consumption preferrably max 5mA/5V.
>> Preferrably possible to buy in Europe.
>
>5 m/s^2 ~= +/- 0.5 g ?

Right.

>
>Apparently National ADXL??? is the address, 
Yes. I«m trying to retrieve the datasheet but apparently my ISP have
problem tonight... 

>but what do you mean by cheap,
About 30$ incl glue cirquit...

>and do they have to read accurately in static conditions ? 
No.
I will use it to stabilize mechanic oscillations in the 0,5 to 2 Hz range.

>There are piezo
>accelerometers that do not read out static acceleration, only delta (e.g.
>Murata, Tokin etc). These can be used by configuring the system as an
>integrator. They drift some so it needs to have a deadband and a zeroing
>facility.

Souds interesting!

Have you got more specifiv part of part no or URL i can test tomorrow?

Althuogh ADXL seem best as i will only ship 50 units per year and don+t
want too much design hassle... or maybe it is quite simple as i don«t need
static operation.
 
>hope this helps,

It do
Thanks
/Morgan

>Peter

/  Morgan Olsson, MORGANS REGLERTEKNIK, SE-277 35 KIVIK, Sweden \
\  mrt@iname.com, ph: +46 (0)414 70741; fax +46 (0)414 70331    /