Calibration Standard for HI 733 Checker HC ®
All Product
Range 0 - 20 ppm | ESPA method | Resolution 0.1ppm
All Product
Range 0.0 - 30.0 ppm | amino acid method | Resolution 0.1ppm
All Product
Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
All Product
Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
All Product
Range 0:00 to 7:00 g / L | Photometric Method | Resolution 0.01g / L
All Product
The HI 771 Checker®HC is a simple, accurate, and cost effective way to measure ultra-high ranges of chlorine. Designed as a more accurate alternative to chemical test kits, the HI 771 provides quick, accurate results in four easy steps.
All Product
Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
All Product
Range 0:00 to 2:00 ppm | EPA method 340.1 | 0.01ppm resolution
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BL983314-1 Resistivity Mini Controller, 0.00 to 19.90 MΩ/cm - 230V 
HI727 Checker HC ® - Color of Water 
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