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
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
Portable
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
Photometers
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
สารละลายมาตรฐานความขุ่น 20 NTU
HI98127 pH/°C-Tester (0.1 pH resolution) - waterproof
HI98304 DiST®4 EC-Tester (up to 19.99 mS)
HI713 Checker HC ® - Phosphate, LR
HI93757-01 Ozone - Reagents - 100 Tests
HI96802 Fructose - Digital Refractometer Portable
HI38040 CTK Iron Medium Range
HI93754A-25 Low Range COD Reagent (0 to 150 mg/L)
HI96822 Seawater Analysis (Salinity) - Digital Refractometer Portable
HI761 Checker HC ® - Total Chlorine, ULR
BL931700-1 pH Mini Controller - 4 - 20mA output - 220V
HI3834-050 - Reagents for CTK Iron
BL983321-1 TDS Mini Controller 0.00 to 19.99 mg/L (ppm) - 230V
HI991301 Multiparameter pH/EC/TDS/°C - EC to 20.00 mS
HI4013-03 ISE 1000 mg/L (ppm) Nitrate Std , 500 ml Bottle
BL983317-1 EC Mini Controller upto 10.00 mS/cm, 230V
HI98120 ORP/°C-Tester, waterproof
HI3811-100 - Reagents for CTK Alkalinity
HI98308 PWT - Pure Water Tester - Conductivity (up to 99.99 µS/cm)
HI6200405 - AmpHel Process ORP Electrode
HI93703-05 AMCO-AEPA-1 Calibration Solution at 500 FTU, 30 ml-Copy
HI93738-01 Chlorine Dioxide - Reagents-Kit - 100 Tests
HI705 Checker HC ® - Silica, LR