¶ pH sensor
A pH sensor measures the acidity or alkalinity of water, providing critical data for applications where water quality is essential for safety and system performance. In many cases, pH sensors are integrated with chemical injection systems that automatically add neutralizing agents or pH adjusters to maintain the desired pH level, ensuring the water remains safe for its intended use.
¶ pH Settings
To navigate to the pH settings screen (Image 1.1), do so either through the main screen (Image 1.2) or via the menu screen (Image 1.3).
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¶ Low and High pH alarm limits
The low and high alarm limits can be set to the desired acidity or alkalinity levels for your water system (Image 1.4). The current pH reading from the sensor is displayed on the main screen or at the top of this settings page (Image 1.1). These alarms do not shut down the system but will alert operators if the pH levels fall outside the set range, indicating potential issues with water quality or injection system performance.
¶ Transmitter Scaling
The pH Min and Max Scale Values define the measurement span of the pH transmitter used in the system (image 1.5). The minimum pH measurement corresponds to the 4 mA output, and the maximum pH measurement corresponds to the 20 mA output. Setting these values correctly ensures accurate scaling and precise pH readings. The adjustable range allows for the transmitter to be replaced with one that has a different measurement span without requiring extensive reconfiguration.
