Hanna Instruments HI701 Checker HC Handheld Colorimeter for Free Chlorine sold2026 This model uses 2 x

This model uses 2 x AAA batteries (included)

5 inch/60mm

storage room and other places

Can be widely used in automobile

axle bolt and nut

Hanna Instruments HI701 Checker HC Handheld Colorimeter for Free Chlorine sold2026 This model uses 2 xHanna Instruments HI701 Checker HC Handheld Colorimeter for Free Chlorine The HI 701 is a portable handheld meter for measuring chlorine in natural, waste, recreation, and drinking waters. The HI 701 bridges the gap between less accurate chemical test kits, and expensive professional test instrumentation. To use, zero the instrument with your water sample, then add the reagent. Place the vial into the checker, press the button and read the results