less the 6 months old comes with a box of 23 reagents
$40 Shipped
Hanna Instruments HI 713
Checker HC Handheld Low Range Phosphate Colorimeter
Easier to use and more accurate than chemical test kits
Range: 0.00 to 2.50 ppm (mg/L)
Resolution: 0.01 ppm (mg/L)
Accuracy: @ 25?C ?0.04 ppm (mg/L) ?4% 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
$40 Shipped
Hanna Instruments HI 713
Checker HC Handheld Low Range Phosphate Colorimeter
Easier to use and more accurate than chemical test kits
Range: 0.00 to 2.50 ppm (mg/L)
Resolution: 0.01 ppm (mg/L)
Accuracy: @ 25?C ?0.04 ppm (mg/L) ?4% 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
