Municipal
APH2O
Maintenance
General Maintenance
The APH2O Water Analyzer requires very little maintenance. However, the chamber and tubing should be checked weekly for leaks and debris. This is especially important when the water supply has higher turbidity.
Monthly – check for leaks. Clean any moisture and dirt. Inspect unions and hardware. Inspect the system for corrosion or unusual wear.
Yearly – Inspect tubing connections and replace. Thoroughly clean and replace any corroded hardware. Inspect all wiring and wiring connections.
Cleaning. Most cleaning of the APH2O is facilitated by removing the sensors, rinsing it with tap or DI water and gently wiping the sensor head with a soft cloth or Q-tips, then re-rinse. For a highly fouled sensor, soak the lower half of the sensor in sensor cleaning solution for 10-15 minutes. Gently rub the sensor electrode head with the provided Q-tips. If the surface is not entirely clean, continue to soak the sensor for an additional time until clean. Rinse the sensor with distilled water.
Replacing Components
The following components may need replacement after many years of use.
Replacing Electrode Head on Sensor.
The pH/CL2 electrode head of FCL700 Probe can be replaced when the original electrode head reaches its working life. Order a replacement electrode head (P/N EC700) from Blue- White and follow instructions as below.
- Turn off the sensor if it is powered on.
- Make sure there is no water on the sensor.
- Hold the FCL700 main body with one hand and use the other hand to twist the stainless-steel locking ring counter-clockwise until the front end of the black electrode is completely unscrewed, as shown in Figure 2.
- Pull out the electrode head as shown in Figure 3.
- Loosen the electrode plug connector, and remove the electrode head, as show in Figure 4.
- To assemble the new electrode head, connect the plug, then insert the new electrode head into the main sensor housing and ensure that the two protrusions on the electrode head are aligned with the notches in the sensor main housing.
- Then twist the stainless-steel lock ring of FCL700 in a clockwise direction until the threads of the electrode head completely enter the FCL700 housing as shown in Figure 1.
FAQs
Frequently Asked Questions
APH2O Maintenance
- How often should I clean my flowmeter? How do I clean it?
In general, variable area flowmeters should be cleaned at least once a year, or more often if the fluid is dirty or the flow rate is high. The tapered tube may be cleaned with a soft bottle brush. Use a MILD soap and water solution for cleaning purposes. Hard water deposits can be removed with a 5% acetic acid solution (vinegar).
Here are some signs that a variable area flowmeter needs to be cleaned:
- The flowmeter is not reading accurately
- The float is not moving freely
- There is debris or sediment in the flowmeter
- The flowmeter is leaking
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