Yes, absolutely, there is no risk for swimmers.
If you need to take the analyzer out of the pool for more than an hour, screw it on storage cap with KCl (saturated potassium chloride), pH4, or as a last resort, running water with a good amount of cooking salt as the probe should not be left dry.
If you do not want to put the the analyzer in the pool, you can install it in the technical room thanks to the accessory Fit50.