yesterday i bought the GHL conductivity probe graphite (freshwater) and a new bottle of calibration fluid.
butt i think i gott the wrong one. The retailer gave me the PL-Cali 1.41mS. I believe that this one is for saltwater,
i think, i can only calibrate with calibration fluid 1000 up to 2000 Us.
or am i missing something.
the probe is working great, only i calibrateted the probe with older calibration fluid.
thx for the reply
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