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- Alkalinity Colorimeter HI755 Hanna Checker HC - Marine Water
Starting at: $12.99
Just what the doctor ordered By Johno27 on 6/15/2014Johno27 would recommend this product to a friendI have been looking for a quick and accurate way to test alk and this is just what I wanted. No more color changing or counting drops!
hanna alkalinity checker By Jaime on 5/27/2014Jaime would recommend this product to a friendWould definitely recommend this,easy to use great time saver very consistent.
Easy to use By Charles on 4/25/2014Charles would recommend this product to a friendI have been using the Hanna checker for 3 months now. I don't think I could ever go back to any other type of test kits. I love the repeat illite of the test results.
Awesome By David on 3/25/2014David would recommend this product to a friendThis a great meter,I am color blind so these types of meters are a must.
Hanna alk checker By guy on 3/18/2014guy would recommend this product to a friendEasy to use, love it
Awesome, Easy and Accurate...Consistent By JPB on 2/13/2014JPB would recommend this product to a friendEasy to use and very consistent results. For the first few months I double checked occasionally with a Salifert titration test...results very similar. Titration can be challenging to determine exact endpoint, especially if you rush it...not at issue with this test. :)
Works great By Mtthbrook on 2/9/2014Mtthbrook would recommend this product to a friendProduct works great , beats color charts
Good product By John on 2/1/2014John would recommend this product to a friendI am new to the hobby and found this checker very easy to use. None of my criticisms of the phosphate checker apply here - no problems with timeouts or reagent packets. The results are easy to read.
A must have By Mario on 1/23/2014Mario would recommend this product to a friendThis is a very easy test kit, and will never use anything else.
Good product By Clifton on 1/14/2014Clifton would recommend this product to a friendI like the digital read out but still quite a few steps involved, wish it was a bit easier.
Fantastic! Never going back By David on 1/13/2014David would recommend this product to a friendPros: Results are fast and easy with less mess than other tests. Only having to add reagent once to get a result is nice. Seems to be accurate as far as I can tell.
Cons: Printed instructions are difficult to read - need to be printed more legibly. (Test process is very simple though.) Display is hard to read in low light. Size and shape of the device could be better for easier handling. Would get 5 stars with those simple improvements.
Accurate But Expensive By Scott on 1/8/2014Scott would recommend this product to a friendI really like my Hanna checker and found it to be very accurate when compared to Red Sea and Salifert. My only gripe is that the reagent is expensive.
Ask a Question About 'Alkalinity Colorimeter HI755 Hanna Checker HC - Marine Water'
Previously Asked Questions
Easier to use and more accurate than chemical test kits
Adaptation of Standard Method 4500-P E Accuracy 4% ±0.04 ppm (mg/L) of reading 0.04 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto shut-off.
Dedicated to a single parameter
Designed to work with HANNA's liquid reagents. Uses 10 mL glass cuvettes.
Small Size, Big Convenience
Weighing a mere 65 g (2.3 oz.), the Checker®HC easily fits into the palm of your hand or pocket.Use for quick and accurate on the spot analysis. Single button operation: Zero and Measure Operated by a single AAA battery.
- Range: 0.00 to 300 ppm (mg/L)
- Resolution: 1 ppm (mg/L)
- Precision: ±5% of reading ±5% ppm @ 25°C
- Light Source: LED @ 610 nm
- Light Detector: Silicon photocell
- Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
- Battery Type: (1) 1.5V AAA
- Auto-off: After 10 minutes of non-use and after read
- Dimensions: 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5")
- Weight: 64 g (2.25 oz.)
- Method: Colorimetric method
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