Apparently. There is a German model as well as a UK and others edition with different scales.
That is why I said that I did not know what version would be available in your location.
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Apparently. There is a German model as well as a UK and others edition with different scales.
It is precise provided that there are no extraneous variables. Any little thing can throw one off. Electrical interference, too long between calibration, air bubbles, temperature variability ect. Granted all devices need to be maintained cleaned and calibrated but conductivity meters require more attention than refractometers and hydrometers which is why they are great for the lab but not ideal for most hobbyist.
The amount of threads on conductivity meters giving bad results is huge. I have also seen this when I worked at the LFS and was selling these tools. I never found a single person who could mess up a floating hydrometer and with refractometers even if people dropped them or scratched them as long as they were calibrated they were reliable. Only conductivity meters had customers complaining that they suddenly had results that were obviously off even after calibration. In almost every case I could find out what was wrong. Using the meter in a garage to test very cold or hot water from a mixing bin, dirty or corroded sensors, electrical interference from measuring too close to pumps or other devices, or air bubbles on the sensor. I eventually learned that I did not want to sell people these tools because I knew I would get complaints but if I sold them a floating hydrometer they would never mess it up and with a digital refractometer as long as it was clean and calibrated there were no issues.
In a technical sense conductivity meters are precise however in the real world where people are neglectful they often have issues.
Mmmmhmm and just how much does this cost? Inquiring minds want to know.Better implementations, such as the Orion I use with a 4 electrode probe
...or anything that's currently readily-available to the masses that you'd consider comparable (in terms of accuracy)Mmmmhmm and just how much does this cost? Inquiring minds want to know.
Mmmmhmm and just how much does this cost? Inquiring minds want to know.
Mines been fine for the 6 months or so I have been using it. It measures . 001 lower than a calibrated refractometer but that's good enough for me. I do spot check it once in a while like all test equipment. I think like most things newer the people who are unhappy comment and the people who are happy just don't bother or have the time because they are enjoying their purchase. Such is the online age with all things not just our hobby equipment.
I would usually completely agree with this in that people that are happy do not complain online and those that arent occasionally do - Im always skeptical and read heavily about reviews etc before a purchase.I think this is a matter of typical reviewers! Most people who are happy don’t submit reviews. I am one who is religious about researching everything I buy but am also leary about some reviews. The local news station did a story recently about false reviews, especially on amazon. That being said my buddy has one he loves. I have a TM hygrometer and petco refractometer that are within 0.01 of each other and recently received a red sea refractometer with a used tank and equipment I bought but have yet to calibrate it and compare it against the hygrometer.
Could be the case for many i suppose but as a programmer by trade im very meticulous with details so isnt the case for the 3 ive had. Bearing in mind one was a good very well working unit out of the 3 (except a slightly lower reading than expected - but shows usage was perfectly fine in that aspect).Love mine, all I use now. Been one of the best items I have bought. I bought enough calibration solution that I calibrate each month, doesn’t seem to need it, but probably a good practice. Just be sure to follow instructions and rinse with ro after reading and putting cap on for storage.
I had the Milwaukee and threw it away, thing was so variable despite following all the picky instructions and it has too much built in error. I didn’t feel right even selling it. My icecap pen was worse, total rubbish but thankfully Hanna has been a rockstar for a couple years now for me.
While I am sure there are exceptions and bad units I heavily suspect many people ignore the instructions to rinse off work ro/di after use and this causes a lot of the issues.
Yeah that’s why I said always exceptions and I’m sure you were following instructions sorry for the bad run.Could be the case for many i suppose but as a programmer by trade im very meticulous with details so isnt the case for the 3 ive had. Bearing in mind one was a good very well working unit out of the 3 (except a slightly lower reading than expected - but shows usage was perfectly fine in that aspect).
Just curious, what Milwaukee did you use, may be talking about different ones but the MA887 doesnt have any picky instructions, just drop water on the sensor and press so assuming its another of theirs.
The MA887 accuracy is terrible. The best that can be said is that it is consistently terrible. I have one I tossed in a box somewhere at in the garage.Could be the case for many i suppose but as a programmer by trade im very meticulous with details so isnt the case for the 3 ive had. Bearing in mind one was a good very well working unit out of the 3 (except a slightly lower reading than expected - but shows usage was perfectly fine in that aspect).
Just curious, what Milwaukee did you use, may be talking about different ones but the MA887 doesnt have any picky instructions, just drop water on the sensor and press so assuming its another of theirs.
One important issue when reading reviews, especially when reading 1 star or in general overly negative reviews is:I would usually completely agree with this in that people that are happy do not complain online and those that arent occasionally do - Im always skeptical and read heavily about reviews etc before a purchase.
But this isnt the same.....There are so many reviews across many boards that claim the same thing - Not all hold calibration. That, at the very best tells you they arent consistent in multiple peoples hands with a device that should be.
I still bought a few, because i believe the same. People complain over minute reasons and the good never post online........But...........Ive had 3 and 2/3rds were faulty - Bulk of the complainers were right in my own experience. Its a simple device that does a simple job, there shouldnt even be a chance for so many poor reviewers to begin with.
Completely agree - Im always very skeptical with bad reviews because i do believe people are overly harsh with a lot of aquarium gear, or simply refuse to read instructions prior to use - I read the bad reviews and still bit the bullet because im a fan of all other Hanna equipment - But when 2 out of 3 of the same product that i personal had in hand are defective i think it shows error in the product. Could well be down to usage on my end but when 1 worked consistently with the same usage procedures im more inclined to think its the product and the reviews were right to begin with. Probably worth noting that i had them all right at release so things may have changed and imporved since. But my experience merged with many others either way.One important issue when reading reviews, especially when reading 1 star or in general overly negative reviews is:
You have to ask yourself, was this negative experience a manufacturing/breakage problem, an information problem, or a people problem? In other words, was the gadget defective, were the instructions/description bad or was the user incompetent/had a bad day? I'd at least like to think that the last one wouldn't be an issue for me (doesn't everyone lol), the second one is a problem that I can probably fix with forum research or my own experiments if i think it is worth the effort, the first one i can't fix (depending on what gadget we are talking about).
Having never used the hanna, i am curious which it is in this case. Are the devices really defective/badly designed or are people using them wrong, some people mentioned rinsing them with RO/DI etc.?
I guess that somes up the beauty of this hobby in how many different ways and opinions there are to achieve the same thing. Just a shame our experiences dont match up with such a simple piece of kit, because they really should.The MA887 accuracy is terrible. The best that can be said is that it is consistently terrible. I have one I tossed in a box somewhere at in the garage.
Day to day I use the Hanna Salinity Checker, and just dip in calibration solution before each use - takes about 10 seconds.