Robo-Tank DIY All-In-One Aquarium Controller User Manual
Robo-Tank DIY All-In-One Aquarium Controller Back to Top User Manual v4.05 – Page 49
Calibrating a Circuit to a Probe
Select the probe you wish to calibrate, (be sure you
have correctly connected it to the controller).
Before doing any calibrations on the Atlas circuits
you have to select the buffer solutions you have for
each of the different probes. These are standard
buffer solutions, which are readily available and
recommend for best results.
To change the value for the buffer solution touch
the value you want to use and the white box will
wrap around confirming it’s been selected. When
you go through the calibration process as explained
below you’ll see the values you selected on this
page as the Target value for each calibration step.
The potential of Hydrogen (pH) circuits are capable of doing a 1, 2 or 3 point calibration, with 3 being the
most accurate. Each calibration requires a different buffer solution. A single point calibration uses the Mid
Point buffer solution, the 2 point uses Mid Point and Low Point buffer solutions, and a 3 point calibration
uses all 3 buffer solutions, Mid, Low, then High.
The Oxidation-reduction Potential (ORP) circuit is a single point calibration and requires any one of the
buffer solutions on the list.
The Dissolved Oxygen (DO) circuit is capable of a single and 2 point calibration. **However the 2 point
calibration isn’t required for aquariums. If you have an aquarium you’re only required to do a single point
calibration which doesn’t require any buffer solutions.
The Electrical Conductivity (EC) circuit uses a 2 point calibration process, you need a buffer solution from
both the Low Point and High Point list. When you first set up or replace the conductivity probe, you’re
required to do a One-time Only Dry calibration, which doesn’t require any buffer solutions.
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