Calibration Standard for HI 758 Checker HC ®
All Product
Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm 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 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb
All Product
Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
All Product
The HI 764 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 764 Checker®HC, press the button and read the results. It’s that easy.
All Product
Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
All Product
Range 0.00 - 9.99 ppm NH3-N | Nessler Method | 0.01ppm resolution
All Product
Range 0.0 - 30.0 ppm | amino acid method | Resolution 0.1ppm
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เครื่องวัดสีในน้ำตัวอย่าง HI727 
HI5013 - 13.00 pH@25°C - TQ - 500ml 
