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blood and urine as well
no additional power source is required
30% Accuracy
81 RI Fluid****
ATAGO ATC-25E
$59.95 Hanna HI 764 Checker Marine Nitrite Photometer Lighted Refractom blood and urine as wellItem 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
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