SEN0169 pH sensor showing wrong values
helloenthu 2019-12-25 05:26:26 28310 Views8 Replies Hi All,
I have bought Analog pH Meter Pro SKU SEN0169.
I have tested with pH buffer solutions 7 and 4.
For pH buffer solutions 7, the output of the sensor is approximately 7.2
For pH buffer solutions 4, the output of the sensor is approximately 2.1
At first, the sensor needs to be calibrated. But for calibration, the pH values from the sensor should be at least +/- 0.2pH
But the values from the sensor is varying a lot.
Kindly help me to solve this.
I have bought Analog pH Meter Pro SKU SEN0169.
I have tested with pH buffer solutions 7 and 4.
For pH buffer solutions 7, the output of the sensor is approximately 7.2
For pH buffer solutions 4, the output of the sensor is approximately 2.1
At first, the sensor needs to be calibrated. But for calibration, the pH values from the sensor should be at least +/- 0.2pH
But the values from the sensor is varying a lot.
Kindly help me to solve this.
2021-11-24 22:45:00 Looking for the same issue. Bumped into your thread. Thanks for creating it. Looking forward for solution. gracelynaditya8834
gracelynaditya8834 2020-11-24 02:38:34 Thanks for the update and quick reply. I'll be sure to keep an eye on this thread. vg2886004
vg2886004 2019-12-27 02:27:45 No, Because when I put the sensor into the ph solution 4 it shows 2. So I don't know how to calibrate this. Do I need to adjust the potentiometer?
Can you guide me? helloenthu
Can you guide me?
helloenthu 2019-12-25 20:29:57 The steps you mentioned are fine. But the problem is my pH electrode gives the output wrong(pH value as 2) when it is put into the solution pH4. So how can I calibrate the sensor? Could you get my point? helloenthu
helloenthu 
