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.
Photometers
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
Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
All Product
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
All Product
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
pH/EC/°C Multiparameter Probe for HI 991300 & HI 991301
HI721 Checker HC ® - Iron
PCA 320 Online pH / Chlorine / °C - Analyzer / Controller
HI711 Checker HC ® - Total Chlorine
HI771 Checker HC ® - Chlorine, Ultra-High Range
HI38020 CTK Chlorine Free & Total
HI93703-0 AMCO-AEPA-1 Calibration Solution at 0 FTU, 30 ml
HI9147-04 Dissolved Oxygen / °C - Meter, Galvanic DO Probe
CTK Härte Gesamt
BL931700-1 pH Mini Controller - 4 - 20mA output - 220V
HI3002 - Submersion Conductivity Process Probe
HI775 Checker HC ® - Alkalinity in fresh water (dKH)
HI1043B - pH Electrode for high temperature & strong acid
HI3190T -Redox Electrode Industry
HI5321 Research Grade EC/TDS/Salinity/Resistivity Meter with USP
HI700 Checker HC ® - Ammonia, LR