$59.95 Hanna HI 764 Checker Marine Nitrite Photometer Lighted Refractom or the concentration of solutions

or the concentration of solutions containing consumer-based SPLENDA® brand sweetener

even items in showcases can be examined providing they are lit by strong lights

blood and urine as well

The new plastic body design is resistant against corrosion from salty and acidic samples

protein concentration in plasma or serum

$59.95 Hanna HI 764 Checker Marine Nitrite Photometer Lighted Refractom or the concentration of solutionsItem Description: Brand New Hanna Instruments HI 764 CheckerHC Nitrite Photometer 0 200 ppb FINALLY! A SIMPLE LOW LEVEL NITRITE TEST! Hanna HI 764 Checker Colorimeter SPECS: Range 0 200 ppb Resolution 1 ppb Precision 10 ppb 4% of reading @ 25C Light Source LED @ 525 nm Light Detector Silicon photocell Environment 0 to 50C (32 to 122F); RH max 95% non condensing Battery Type (1) 1. 5V AAA Auto off After 2 minutes of non use and after read Dimensions