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bluelab truncheon
i just got one in the mail today because i wanted the same things you do. 5 year warranty, no calibration, throw it across the room and it's still working. this is the way to go! got it on ebay for $99 shipped.
I know this is an old thread, but I just picked up a Hanna tri-meter, probably just like yours, totally calibrate-able, I can set my own conversion factors, the thing floats, is almost indestructible (except for the pH electrode, already broke the electrode on my pH meter)--AND I LOVE IT. It's clicky, easy for my lady fingers to manipulate, and fun to play with. :evilgrin0040: I can very easily switch from measuring microSeimens to ppm to pH, and calibrate those parameters just as easily. I *am* a bit of a nut about calibrating instruments, I can't say how many times I've seen problems caused by relying solely on instrument readings and not on the total picture (minireef/aquatic situations). When in doubt, recalibrate.sucks...i just bought a $200 hanna handheld combo meter...wish i would have seen this thread before....
I know this is an old thread, but I just picked up a Hanna tri-meter, probably just like yours, totally calibrate-able, I can set my own conversion factors, the thing floats, is almost indestructible (except for the pH electrode, already broke the electrode on my pH meter)--AND I LOVE IT. It's clicky, easy for my lady fingers to manipulate, and fun to play with. :evilgrin0040: I can very easily switch from measuring microSeimens to ppm to pH, and calibrate those parameters just as easily. I *am* a bit of a nut about calibrating instruments, I can't say how many times I've seen problems caused by relying solely on instrument readings and not on the total picture (minireef/aquatic situations). When in doubt, recalibrate.
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