How-To GUIDE

Calibrate pH Sensor

Use the AROYA web app for the calibration of solution 7 and 4. Multiple pH Sensor pens can be used for the same solution during that session.

Important: Clean the pen in water before putting it in the solution. Never let the probe dry out.

pH pen in buffer cups beside the Calibrating app screen

STEP 01

Remove the pH Sensor

pH sensor lifted out of the sensor housing

STEP 02

Open device in app

Calibrate pH device screens over the grow-room photo

On the device details page you can access the Calibrations section by selecting the pH Sensor on 'Devices'. The detail page has 'Calibrate', linking to the 'Calibrate pH' screen.

STEP 03

Clean in Water

Place in clean distilled water first. Making sure the sensor is clean before putting it in the solutions 7 and 4.

STEP 04

Calibrate Solution 7

pen in pH 7 solution with the Start with Solution 7 screen

When prompted in the app place the probe into the pH 7 solution and tap Start. The process will take approximately 3 minutes; wait for the green check mark to confirm completion. Rinse the probe thoroughly in distilled water before moving to the next step.

STEP 05

Calibrate Solution 4

pen in pH 4 solution with the Continue with Solution 4 screen

Next, submerge the probe in the pH 4 solution and press Start. After about 3 minutes, the second calibration point will finish. Ensure both points now show a green check mark before finishing.

STEP 06

Finish to complete

sensor reinserted with the Finished screen

Tap 'Finish' to save the data, once both solutions show a green checkmark. It will be recorded in the app. Finally, reinstall the sensor in its designated location in the drip or drain cup.

STEP 07

Reinstall the sensor

pH sensor tip seated at the bottom of the housing

Push it all the way to the bottom to make sure the sensor tip is partially submerged at all times.

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