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.
Portable
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
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
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.
All Product
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
HI93754B-25 Medium Range COD Reagent (0 to 1500 mg/L)
HI764 Checker HC ® - Nitrite, ULR
HI93501N FOODCARE Thermistor-Thermometer
HI2004 - edge® Dedicated Dissolved Oxygen Meter
Calibration Standard HI 721 Checker HC ®
HI716 Checker HC ® - Bromine
HI931001 pH and mV Precision Simulator (BNC)
HI93713-01 Phosphate LR - Reagents - 100 Tests
BL983329-1 TDS Mini Controller 0.0 to 999 mg/L (ppm) - 230V
HI1131B - Combination pH Electrode
HI145-00 Thermometer (°C) with T-shaped (125mm)
HI98301 DiST®1 TDS-Tester (up to 1999 ppm)
HI93753-01 Chloride - Reagents-Kit -100 Tests
HI713 Checker HC ® - Phosphate, LR
HI5009 - 9.00 pH@25°C - TQ - 500ml
HI723 Checker HC ® - Chromium VI, HR
HI6074 - 7.400 pH@25°C - MQ - 500ml
HI7662 Temperature Probe
HI7040L DO Solution, 500 ml
BL1.5 Black Stone Dosing Pump 1.5lph 13 bar
BL983315-1 TDS Mini Controller 0.0 to 199.9 mg/L (ppm) - 230V
Reagents for HI 707 Checker HC ®, 25 Tests
HI701 Checker HC ® - Free Chlorine
HI5001 - 1.00 pH@25°C - TQ - 500ml
HI76306 EC/TDS probe with internal temperature sensor
HI5002 - 2.00 pH@25°C - TQ - 500ml
HI755 Checker HC ® - MARINE Alkalinity (dHK)