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Product Description
MW802 is a compact Portable Meter with a Faster Micro Processor. This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe.These easier and faster to calibrate portable meters have a smaller, ergonomic and lighter case design. Other features include 100 percent larger and easier to read LED Display and long battery life.Meter calibrates manually in pH, Conductivity and TDS.Each meter is supplied with the MA850 interchageable probe with 1 meter cable to measure pH, Conductivity and TDS. The pH electrode utilizes a fiber junction to reduce contamination when measuring fertilizer solutions.The MW802, with a conductivity range that goes up to 6.00mS/cm and the TDS up to 4000 ppm is ideal for testing in crop production.MW802 is supplied complete with MA850 combination pH/EC/TDS probe, 20 mL sachet ph 7.01 buffer solution, 20 mL 1382 ppm sachet of calibration solution, 9V battery and instructions.
Customer Reviews
Most Helpful Customer Reviews
3 of 3 people found the following review helpful
Amazon Verified Purchase
And now this stupid piece of trash is completely dead (2012-March-20).
THE REVIEW BELOW WAS WRITTEN A FEW DAYS AGO
I still in the process of finding out if this instrument is a good value-for-money item. Here is what I have observed by now:
It worked properly for a couple of days, but then out of the blue it just started generating random figures (e.g. it would read "13.6" for pH with the electrode immersed into the 4.00 buffer). Something happened with the calibration buttons as well - instead of showing increased value when turned clock-wise and vice versa, they were doing it the other way around.
Before contacting the Seller, I first pulled the battery out, disconnected the sensor and reconnected it sometime later and put the battery back in. Surprisingly, the unit started working well again!
If this unit needs being rebooted this way every couple of days, I can probably manage it. Now, about the features:
(1) Calibration is a lot easier than on many other portable sensors I have used - the adjustment thumb-wheels are large and are conveniently located on the face panel. This compares very well to many other portable sensors whose calibration screws are just either too small, and/or too inconvenient.
(2) The accuracy is good enough for quick field tests, in both conductivity and pH ranges
(3) The unit looks cheaply made, but I suppose it's not for showing-off anyway
(5) The temperature compensation is fairly accurate for a field instrument.
All in all, check this review by the end of the 2012 ... if it's still working, I will be awarding it 5 stars.
THE REVIEW BELOW WAS WRITTEN A FEW DAYS AGO
I still in the process of finding out if this instrument is a good value-for-money item. Here is what I have observed by now:
It worked properly for a couple of days, but then out of the blue it just started generating random figures (e.g. it would read "13.6" for pH with the electrode immersed into the 4.00 buffer). Something happened with the calibration buttons as well - instead of showing increased value when turned clock-wise and vice versa, they were doing it the other way around.
Before contacting the Seller, I first pulled the battery out, disconnected the sensor and reconnected it sometime later and put the battery back in. Surprisingly, the unit started working well again!
If this unit needs being rebooted this way every couple of days, I can probably manage it. Now, about the features:
(1) Calibration is a lot easier than on many other portable sensors I have used - the adjustment thumb-wheels are large and are conveniently located on the face panel. This compares very well to many other portable sensors whose calibration screws are just either too small, and/or too inconvenient.
(2) The accuracy is good enough for quick field tests, in both conductivity and pH ranges
(3) The unit looks cheaply made, but I suppose it's not for showing-off anyway
(5) The temperature compensation is fairly accurate for a field instrument.
All in all, check this review by the end of the 2012 ... if it's still working, I will be awarding it 5 stars.
3 of 3 people found the following review helpful
Amazon Verified Purchase
At first I was really excited about this product because it seemed like a good value. I ordered two of them and right away one of the meters wouldn't stay calibrated. The second one lasted about 3 weeks then started to go out of calibration. All EC and pH meters need to be calibrated on a regular basis, but we would calibrate these and check plants and compare the values with another Hanna meter and the Milwaukee would be significantly off. I would then place it in the calibration solution only to find it out of spec. Sometimes a good price doesn't mean good quality.
1 of 1 people found the following review helpful
Amazon Verified Purchase
Great all in one meter. Have been using it for a month now and im very happy with it. Remains very accurate so far.
Most Recent Customer Reviews
Junk
If you just need the meter for EC/TDS readings, it's probably fine. But if you expect the Ph readings to be anywhere near accurate or for the probe to even work at all for more... Read more
Published 13 days ago by Paul Anderson
What an absolute joke!!!
This product was so bad that I am writing my first negative review ever! I own a Milwaukee mw802 and have been using it for about 18 months. Read more
Published 24 days ago by Bronson
Ph n ec meter
Easy to use and fast to get reading. Anyone can learn how to use it in minute, a great tool for indoor farming.
Published 3 months ago by Frank
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