pH mini probe, silver / silver chloride with Double junction. Lab grade in a small Ultem 1000 housing. Robust and resistant to high temperatures.
A pH (potential of Hydrogen) probe measures the hydrogen ion activity in a liquid. At the tip of a pH probe is a glass membrane. This glass membrane permits hydrogen ions from the liquid being measured to defuse into the outer layer of the glass, while larger ions remain in the solution. The difference in the concentration of hydrogen ions (outside the probe vs. inside the probe) creates a VERY small current. This current is proportional to the concentration of hydrogen ions in the liquid being measured.
| Silver / silver chloride |
| Reads |
pH |
| Range |
0 − 14 |
| Accuracy |
+/– 0.002 |
| Connector |
Female SMA |
| Resolution |
+/- 0.0001 |
| Response time |
95% in 1s |
| Max pressure |
100 PSI |
| Max depth |
60m (197 ft) |
| Temperature range °C |
1 − 99 °C |
| Cable length |
45 cm |
| Internal temperature sensor |
No |
| Time before recalibration |
~1 Year |
| Life expectancy |
~2 Years |
| Maintenance |
N/A |
