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1. The electrode is composed of a glass electrode and a silver chloride silver reference electrode, and is a measuring component of the meter for measuring the value of the aqueous solution.
2. The electrode plug should be kept clean and dry.
3. The external reference solution of the electrode is 3NKCL solution.
4. Avoid cross- between solutions during measurement to avoid affecting measurement accuracy.
5. The electrode should avoid long-term immersion in acidic fluoride solution.
Specification:
Module Power : 5.00V
Module Size : 43 * 32mm
Measuring Range :0 - 14PH
Measuring Temperature: 0 - 60 °C
Accuracy : ± 0.1pH (25 °C)
Response Time : 1min
Sensor with Connector
pH2.0 Interface ( 3 foot patch )
Gain Adjustment Potentiometer
Power Indicator LED
Package List:
3 * Sensor Module
3 * Probe
Joe M. Dragavon
Reviewed in the United States on May 13, 2024
The pH meter works fine, but I had to trash the wire (yellow/black/red) that came with it, as connection kept shorting my Arduino board. Luckily I had an extra wire from another sensor.UPDATE: actually, I realized that the black wire goes to 5V, and the red to the GND... as in the DFR wiki. So simply, I needed to look at the diagram more carefully!
Matthew S.
Reviewed in the United States on October 26, 2024
Once calibrated properly, yields analytical quality results.
CDR. Murph
Reviewed in the United States on April 5, 2024
Pretty good works as expected. Might take a while to figure out how to rig it. The key is it's linear voltage to PH. So take voltage at 2 different PHs and make a linear equation from it. Make sure the input voltage on your chip can be scaled or attenuated to support what voltage this puts out. Accurate to about 0.1 PH. It took a long time to get working (figuring everything out) but very pleased.
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