Phidget 1130 ORP/pH board

Any hardware type questions or problems for all other Phidget devices.
paulr33
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Re: Phidget 1130 ORP/pH board

Postby paulr33 » Thu Jan 18, 2018 7:42 pm

I think the sensor is probably damaged, the readings just make no sense.

I tried plugging the Arduino into my laptop and only using the ORP sensor and the code was about 8 lines long and via laptop and USB adruino (laptop charger unplugged) I still had reading values that didn't make sense.

Currently the Arduino is powered off a USB phone charger but even from the laptop the sensor readings made no sense.

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Patrick
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Re: Phidget 1130 ORP/pH board

Postby Patrick » Fri Jan 19, 2018 6:36 pm

Ok you should contact support@phidgets.com for a replacement.

paulr33
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Re: Phidget 1130 ORP/pH board

Postby paulr33 » Wed Jan 31, 2018 7:16 pm

hi all
new sensor received and working well, pool reads ~680mv, as expected a much more normal result. ill post up some data once I have a week worth of values from my setup

paulr33
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Re: Phidget 1130 ORP/pH board

Postby paulr33 » Wed Aug 22, 2018 3:01 am

hi all,
the replacement sensor worked for about three months and died, but this time, both the PH and ORP sensor died. I think its my installation location.

My sensors are installed like this;

PUMP ----> pipework (with ORP and PH) ----> Filter ---> Salt Chrloinator ---> pool

When my pump runs on speed 2 pressure is around 58psi and on speed 3 pressure spikes past 75psi. I think what happened earlier this year is that the filter got clogged up so the pressure when i was vacuuming went past 75psi and killed the sensors. the tech specs for the sensors say these are rated at 82psi max. Would excessive pressure damage these sensors?

I had a look at my salt chrolinators official OEM ORP and PH kits and it plumbs both sensors in AFTER the filter, not before, so this is a significant difference of installation location.

The setup based on the chorlinators ORP/Ph kit would look like this;

PUMP ----> pipework ----> Filter ---> Salt Chrloinator (ORP and PH plug in here) ---> pool

This would mean though, that because the line returns to the pool it doesnt always hold water when the pump is off, so would these sensors (the phidgets ones) continue to work when they are not submerged in water? The commercial salt chrolinator sensors dont mention any sort of issues and obviously it would not be fully submerged all the time being on a non-vacuum return line to the pool.

I can buy new phidget sensors and put them in the return line where the salt chrolinator install suggests but would they be ok not being submerged all the time ?

paulr33
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Re: Phidget 1130 ORP/pH board

Postby paulr33 » Mon Oct 22, 2018 7:55 pm

hi all,

does anyone know if the lab sensor is the same physical dimensions and NPT thread as the industrial sensor?

ASP200-2-1M-BNC pH Lab Electrode

jdecoux
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Re: Phidget 1130 ORP/pH board

Postby jdecoux » Thu Oct 25, 2018 10:52 am

They are not the same. The lab electrode is 12mm in diameter, while the industrial electrode is 29mm in diameter.


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