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OPRUSS technology introduces its most advanced glass electrode pH sensor with a digital output.

It works on the principle of the potential difference generated between a reference electrode inside the glass and a reference that is in contact with the solution outside of the glass pH measures the mili-volt difference in the system. Ion-swapping takes place on the inside surface of the glass electrode. The two solutions on either side of the glass have different acidic concentration, so a different amount of ion-swapping takes place on the two sides of the glass. This creates a difference in degree of hydrogen-ion activity on the two surfaces of the glass,thus a difference in amount of electrical charge builds up on them. This charge difference produces a difference in voltage that shows up as a measurement on the meter. OPRUSS contributes to this beautiful technology by selecting and manufacturing exact materials that comprise a perfect pH measuring sensor. Automatic diagnosis function for faults in electrode properties and smartly understands if there is adefect in the sensor and displays the error on the display unit. Temperature compensation element helps in acquiring precision readings.

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Principle Glass electrode type
Measuring range 1-14
Response time 10 sec
Accuracy +1%
Assembly Submersible
Operation Temperature 0-50 Deg/cel
Interface Output RS-485 Two way Communication Enable
Protection level Ip68
Maximum working depth 10 m
Power supply AC 230V, for controller
Size 26 Diameter 177.5 Length (in mm)
Probe cable length 5 m, extendable
Interference resistance Temperature compensation available
Maximum working pressure 6bar
Product material SS316 POM
Temperature Range 2-55℃
Temperature Accuracy ±5% (full scale)
Temperature Resolution ±0.05℃