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
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
Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
All Product
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
HI5002 - 2.00 pH@25°C - TQ - 500ml
HI3831F CTK Chlorine Free
HI736 Checker HC ® - Phosphorous, ULR
HI3844 CTK Hydrogen Peroxide
HI93703C Turbidity Meter ISO 7027 with Calibration Standard & Casing
HI731321 - Glass Cuvette 4 pcs. - Photometer Series HI 937xx, HI 832xx und HI 7xx
HI3896-025 - Reagenzien für CTK Bodenanalysen
HI98183 pH / ORP / °C Meter + PC Interface, Waterproof
ผ้าเช็ดหลอดแก้ว จำนวน 4 ชิ้น (HI731318)
HI4108 - Feststoffelektrode, kombiniert
HI70080P - 800 mg/l (ppm) TDS@25°C - 25x20ml
HI7034L - EC 80000 µS/cm@25°C - 500ml
HI93721-01 Iron HR - Reagents -100 Tests
HI7081L 30 g/L Na solution for Sodium ISE, 500 ml Bottle
HI5013 - 13.00 pH@25°C - TQ - 500ml
HI4013-06 Nitrate Interferent Suppressant ISA, 500 ml Bottle
HI93704-01 Hydrazine - Reagents - 100 Tests
HI3815-100 - Reagents for CTK Chloride
HI73127 Spare-pH-Electrode for Tester
HI7091L - Reducing Pretreatment Solution, 500 ml
HI766E2 K-Type, General Purpose w Cable
HI4010-03 ISE 1000 mg/L (ppm) Fluoride Std , 500 ml Bottle
HI93734-01 Chlorine HR Free & Total - Reagents - 100 Tests
HI755 Checker HC ® - MARINE Alkalinity (dHK)