pH probe to ADP1000_0 to InterfaceKit 8/8/8 1018_2

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marcoshrv
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pH probe to ADP1000_0 to InterfaceKit 8/8/8 1018_2

Post by marcoshrv »

Hello, I have problem trying to read the pH sensor. I have a pH probe connected to a ADP1000_0 and this connect to a InterfaceKit 8/8/8 1018_2.
I tried different things: (with 2 ADP1000, same problem)
With the Phidget control panel, it detects the interfacekit, I open the voltageinput chanel where i have connected the ADP1000_0 and the reading is about +2.3v, no matter if i have the ph probe connected or not,is always same reading. And the other thing that is strange that it suppose to be a reading between -2 and +2 volts from the ADP1000?.
I tried to make a pyton program to read the ph (with PHSensor()), but i have always the same problem connection "Phidget22.PhidgetException.PhidgetException: PhidgetException 0x03 (Timed Out)", but if I make a program with VoltageInput(), I get always the same value about +2.3v, no matter there is a phProbe or not.
Is this a problem with the compatibility of the interfacekit 8/8/8 1018_2 and the ADP1000?, do I need a VINT HUB?
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mparadis
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Re: pH probe to ADP1000_0 to InterfaceKit 8/8/8 1018_2

Post by mparadis »

The ADP1000 is a VINT device and cannot be used with the 1018. The black ports on the 1018 are voltage inputs, designed to read simple sensors like these.

You need to use a VINT Hub like the HUB0001 in order to read the ADP1000. The 2.3V you're seeing is just the average voltage from the ADP1000's communication, trying to talk to a VINT Hub.
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