Calibration checking set for Checker®HC HI 764 Nitrite Ultra Low Range.
(0 and 100 ppb nitrite)
All Product
Range 0:00 to 2:00 ppm | EPA method 340.1 | 0.01ppm resolution
All Product
Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
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 - 12.5 ppm | DPD Method | Resolution 0.1ppm
All Product
Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
All Product
Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
All Product
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
All Product
Range 0 - 500 PCU | Platinum Cobalt method | Resolution 5 PCU
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HI7609829-4 - Conductivity / Turbidity Sensor for HI9829 Multiparameter 
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