> When you say 'differential' are you implying the output comes on two
> leads independent of ground? Or is this just a single output that
> varies between 3 mV and 50 mV?
Yes, there are two output leads that seem to be independent of
ground. Both the positive and negative output leads seem to be ~2.5
volts from both gnd and +5.
> How about a link to the sensor datasheet?
Sure. It's an AST Sensors 4100.
Overview: http://www.astsensors.com/ast4100.html
Specs: http://www.astsensors.com/ast4100.html
It comes in different output configurations, which their site lists
as either:
10mV/V
0.5 - 4.5v ratiometric
1-5v
1-6v
.25-5v
or 4-20ma
(The higher voltage outputs would probably have been a better choice,
but new these sensors cost about twice as much as what I paid for
this one on ebay.)
The ebay listing and the label on the sensor however list it as
3mv/V, which is an option I don't see listed on the spec sheet.
However, they do seem to make them in various custom configurations
which this could have been.
(as a side note, any idea of what exactly a notation such as 3mv/V or
10mv/V indicates? Something like 0-50mv I understand, but not sure
what 3mv/V is trying to convey)
Thanks,
Mike
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