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
Photometers
Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
All Product
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
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
HI7635 - Industrial Conductivity Probe
HI721 Checker HC ® - Iron
HI775 Checker HC ® - Alkalinity in fresh water (dKH)
HI70480 Free-chlorine reagent kit for PCA Series
Reagents for HI 708 Checker HC ®, 25 Tests
HI10430 Digital pH-Electrode, High-Temperature-Glass, Refillble (edge)
HI904 Karl Fischer Coulometric Titrator - 1ppm to 5%
HI96801 Sucrose - Digital Refractometer Portable
เครื่องวัดปริมาณคลอรีนรวม รุ่น HI711
HI705 Checker HC ® - Silica, LR