Calibration Standard for HI 749 Checker HC ®
Photometers
Reagents for HI 755 Checker HC ®, 25 Tests
All Product
Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
All Product
Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
All Product
The HI 761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.
All Product
Range 0.0 - 8.0 ppm | DPD method | Resolution 0.1ppm
All Product
Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb
All Product
Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
All Product
Range 0:00 to 5:00 ppm | EPA Method 315 B | 0.01ppm resolution
081-855-1842
02-541-4199
HI711 Checker HC ® - Total Chlorine 
HI727 Checker HC ® - Color of Water 
