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Hanna Phosphorous Checker, Ultra Low Range HI736
The HANNA HI 736 Checker HC bridges the gap between simple chemical test kits and professional instrumentation. The HANNA HI?736 is both accurate and affordable.The HI 736 CheckerHC portable handheld colorimeter features a resolution of 1 ppb and 5 ppb 5% of reading accuracy and uses an adaptation of Standard Method Ascorbic Acid.
Hanna Phosphorous Checker, Ultra Low Range HI736.
- Easier to use and more accurate than chemical test kits
Ascorbic acid method
±5 ppb ±5% of reading accuracy
Large, easy to read digits
Auto shut off
- Dedicated to a single parameter
Designed to work with HANNA’s reagents
Uses 10 mL glass cuvettes
- Small size, big convenience
Weighing a mere 64 g (2.25 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
- Ideal for aquaculture (marine applications)
Phosphorus concentration in water is monitored because it causes corrosion when present in levels too high.
The HANNA HI 736 Checker®HC bridges the gap between simple chemical test kits and professional instrumentation. The HANNA HI736 is both accurate and affordable.
The HI 736 Checker®HC portable handheld colorimeter features a resolution of 1 ppb and ±5 ppb ±5% of reading accuracy and uses an adaptation of Standard Method Ascorbic Acid.
The HI 736 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagents. Last, place the vial into the Checker®HC, press the button and read the results. It’s that easy.
HI 736 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents for phosphorus (6), battery and instructions.
|Range||0 to 200 ppb|
|Accuracy @ 25°C||±5 ppb ±5% of reading|
|Light Source||LED @ 525 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 two minutes of non-use and ten seconds after reading|
|Dimensions||81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)|
|Weight||64 g (2.25 oz.)|
|Method||adaptation of the Standard Methods for the Examination of Water and Wastewater, 20Th edition, Ascorbic Acid method.|
Questions on Hanna Phosphorous Checker, Ultra Low Range HI736
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Detects phosphate but I don't have any Review by karlandtanya
Using the HI713 I never detected any phosphate, so bought this one instead.
NOTE--this one is calibrated for *phosphorus*, not phosphate, so is only about 4x as sensitive as the HI713.
Anhyow, the HI736 still still didn't detect any phosphorus in my tank, so I made a dilute solution of TSP just to see if the thing even detects anything! Short answer--yes, the testers do report phosphorus/phosphate when it's really there.
Anyhow, the HI713 and the HI736 *do* detect phosphate when it's present but reported more than I expected from my dilution. This was just a sanity check with Savogran TSP cleaner--not lab reagents, so don't expect accuracy (correct numbers)--just precision (repeatable numbers).
For what it's worth, the HI713 and HI736 did report consistent (repeatable) resultss to 3 significant digits (after correcting for phosphorus/phosphate) when testing from the same sample. (Posted on 1/11/2017)
Great product Review by Dan
Simple to use and provides a nice easy to read digital read out. I have heard that it may not be as accurate as sme high end photometers but for the price and easy of use it is great and beats the color interpretations of other test kits (Posted on 4/8/2015)