more info for Prox sensor
more information...
The sensor will be potted in a tube and inserted into the silo from the
outside. All electrical connections will be outside the silo or potted in
the senor.
Original Message
From: "Rodent" <daweasel@s...>
To: <basicstamps@yahoogroups.com>
Sent: Friday, July 06, 2001 10:02 AM
Subject: Re: [noparse][[/noparse]basicstamps] Prox sensor
> Some sort of optic sensor be the ticket, although it would have to be
sealed
> as the fertilizer would corode any exposed connections. A flap with a
> microswitch would work also, but it would have to be sealed also. I don't
> recall seeing an off-the-shelf sensor for this, but I'm sure some of the
> industrial / batch people may know of one.
>
>
Original Message
>
> > I am looking for a circuit that will be suitable to detect the
> presence of a granular fertilizer in a storage silo. Just need a go/no-go
> type output eg whether the sensor is covered or not.
> >
> > Anyone got a suitable circuit?
>
>
>
>
>
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> basicstamps-unsubscribe@yahoogroups.com
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Body of the message will be ignored.
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The sensor will be potted in a tube and inserted into the silo from the
outside. All electrical connections will be outside the silo or potted in
the senor.
Original Message
From: "Rodent" <daweasel@s...>
To: <basicstamps@yahoogroups.com>
Sent: Friday, July 06, 2001 10:02 AM
Subject: Re: [noparse][[/noparse]basicstamps] Prox sensor
> Some sort of optic sensor be the ticket, although it would have to be
sealed
> as the fertilizer would corode any exposed connections. A flap with a
> microswitch would work also, but it would have to be sealed also. I don't
> recall seeing an off-the-shelf sensor for this, but I'm sure some of the
> industrial / batch people may know of one.
>
>
Original Message
>
> > I am looking for a circuit that will be suitable to detect the
> presence of a granular fertilizer in a storage silo. Just need a go/no-go
> type output eg whether the sensor is covered or not.
> >
> > Anyone got a suitable circuit?
>
>
>
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed. Text in the Subject and
Body of the message will be ignored.
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
Comments
an optical proximity sensor may work.
Original Message
> The sensor will be potted in a tube and inserted into the silo from the
> outside. All electrical connections will be outside the silo or potted in
> the senor.
> > Some sort of optic sensor be the ticket, although it would have to be
> sealed
> > as the fertilizer would corode any exposed connections. A flap with a
> > microswitch would work also, but it would have to be sealed also. I
don't
> > recall seeing an off-the-shelf sensor for this, but I'm sure some of the
> > industrial / batch people may know of one.
> >
> >
Original Message
> >
> > > I am looking for a circuit that will be suitable to detect the
> > presence of a granular fertilizer in a storage silo. Just need a
go/no-go
> > type output eg whether the sensor is covered or not.
> > >
> > > Anyone got a suitable circuit?
Original Message
From: "Rodent" <daweasel@s...>
To: <basicstamps@yahoogroups.com>
Sent: Friday, July 06, 2001 11:24 AM
Subject: Re: [noparse][[/noparse]basicstamps] more info for Prox sensor
> Is the fertilizer of a color or consistency that would reflect light? If
so,
> an optical proximity sensor may work.
>
>
Original Message
>
> > The sensor will be potted in a tube and inserted into the silo from the
> > outside. All electrical connections will be outside the silo or potted
in
> > the senor.
>
> > > Some sort of optic sensor be the ticket, although it would have to be
> > sealed
> > > as the fertilizer would corode any exposed connections. A flap with a
> > > microswitch would work also, but it would have to be sealed also. I
> don't
> > > recall seeing an off-the-shelf sensor for this, but I'm sure some of
the
> > > industrial / batch people may know of one.
> > >
> > >
Original Message
> > >
> > > > I am looking for a circuit that will be suitable to detect the
> > > presence of a granular fertilizer in a storage silo. Just need a
> go/no-go
> > > type output eg whether the sensor is covered or not.
> > > >
> > > > Anyone got a suitable circuit?
>
>
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed. Text in the Subject and
Body of the message will be ignored.
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
hall-effect sensor.
Original Message
> Too dusty for optical sensor, needs to be capacitive (or inductive?)
> > Is the fertilizer of a color or consistency that would reflect light? If
> so,
> > an optical proximity sensor may work.
> >
> >
Original Message
> >
> > > The sensor will be potted in a tube and inserted into the silo from
the
> > > outside. All electrical connections will be outside the silo or potted
> in
> > > the senor.
> >
> > > > Some sort of optic sensor be the ticket, although it would have to
be
> > > sealed
> > > > as the fertilizer would corode any exposed connections. A flap with
a
> > > > microswitch would work also, but it would have to be sealed also. I
> > don't
> > > > recall seeing an off-the-shelf sensor for this, but I'm sure some of
> the
> > > > industrial / batch people may know of one.
> > > >
> > > >
Original Message
> > > >
> > > > > I am looking for a circuit that will be suitable to detect the
> > > > presence of a granular fertilizer in a storage silo. Just need a
> > go/no-go
> > > > type output eg whether the sensor is covered or not.
> > > > >
> > > > > Anyone got a suitable circuit?
> >
> >
> >
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@yahoogroups.com
> > from the same email address that you subscribed. Text in the Subject
and
> Body of the message will be ignored.
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed. Text in the Subject and
Body of the message will be ignored.
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>