ORP/Redox-500mL 240mV Hardness Tester This highly reliable and compact

This highly reliable and compact Diver measures groundwater levels with a typical accuracy of ±0

Pairing the ProQuatro with the 4-port cable creates an extremely powerful handheld multiparameter water quality instrument

providing cost-effective monitoring and chemical identification

Each crawler ships with one set of small wheels

Water Level Meter Reels

ORP/Redox-500mL 240mV Hardness Tester This highly reliable and compactHI7021L is a quality ORP test solution made from reagent grade chemicals and used to test platinum and gold ORP electrodes. Hanna test solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution.