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
Photometers
Range 0:00 to 2:00 ppm | EPA method 340.1 | 0.01ppm resolution
Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
Portable
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
BL983318-1 TDS Mini Controller 0.0 to 10.00 g/L (ppt) - 230V
HI5002-01 - 2.00 pH@25°C - TQ - 1000ml
BL983329-1 TDS Mini Controller 0.0 to 999 mg/L (ppm) - 230V
pH/EC/°C Multiparameter Probe for HI 991300 & HI 991301
HI2020 edge™ - pH Meter
HI70004C - 4.01 pH@25°C - SQ Zert. - 25x20ml
CTK Härte Gesamt
HI721 Checker HC ® - Iron
HI7021L - 240mV ORP Test Solution - 500ml
HI93754C-25 High Range COD Reagent (0 to 15000 mg/L)
HI98128 pH/°C-Tester (0.01 pH resolution) - waterproof
HI3002 - Submersion Conductivity Process Probe
Reagents for HI 713 Checker HC ®, 25 Tests
HI5002 - 2.00 pH@25°C - TQ - 500ml
HI711 Checker HC ® - Total Chlorine
HI98308 PWT - Pure Water Tester - Conductivity (up to 99.99 µS/cm)
Reagents for HI 764 Checker HC ®, 25 Tests
HI775 Checker HC ® - Alkalinity in fresh water (dKH)