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.
Range 0:00 to 3:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
Range 0:00 to 2:00 ppm | EPA method 340.1 | 0.01ppm resolution
Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
All Product
Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
Range 0.0 - 30.0 ppm | amino acid method | Resolution 0.1ppm
The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity. Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.
Range 0 - 300 ppm in salt water | Colorimetric Method | Resolution 1 ppm
Photometers
Ideal for Aquaculture and Aquarium testing!
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
HI70007C - 7.01 pH@25°C - SQ Zert. - 25x20ml
HI93701-01 Chlorine Free Reagents - 100 Tests
HI96770-01 Silica HR - Reagents - 100 Tests
HI70007P - 7.01 pH@25°C - SQ - 25x20ml
CTK Chlor Frei
HI38058 CTK pH
HI70030C - EC 12880 µS/cm@25°C Zert. - 25x20ml
HI5521 Research Grade pH/ORP and EC/TDS/Salinity/Resistivity Meter with CAL Check™
HI771 Checker HC ® - Chlorine, Ultra-High Range