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
Portable
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
Photometers
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
Reagents for HI 713 Checker HC ®, 25 Tests
HI93754C-25 High Range COD Reagent (0 to 15000 mg/L)
BL983322-1 EC Mini Controller, 0 to 19.99 µS/cm, 230V
Reagents for HI 733 Checker HC ®, 25 Tests
HI711 Checker HC ® - Total Chlorine
BL983329-1 TDS Mini Controller 0.0 to 999 mg/L (ppm) - 230V
BL983318-1 TDS Mini Controller 0.0 to 10.00 g/L (ppt) - 230V
HI93723-01 Chromium VI HR - Reagents - 100 Tests
BL983317-1 EC Mini Controller upto 10.00 mS/cm, 230V
HI705 Checker HC ® - Silica, LR
ซัลไฟด์สารต้านอนุมูลอิสระบัฟเฟอร์
Calibration Standard HI 701 Checker HC ®
HI3847 CTK Copper
HI5522 Research Grade pH/ORP/ISE and EC/TDS/Salinity/Resistivity Meter with CAL Check™
HI770 Checker HC ® - Silica, HR
HI93551 K,J,T-Type 1-Channel Thermometer
HI3314 - Resistivity Probe for BL983314 Mini Controller
HI98107 pHep pH -Tester (0.1 pH Resolution)