Extech 382276 600W 230V Switching Mode DC Power Supply - Remote Control for output Voltage/Curr..
Extech 407510 Heavy Duty Dissolved Oxygen Meter with PC interfaceUnits of measure are mg/l for Disso..
Extech CL200 ExStik Waterproof Chlorine MeterThe CL200 is a revolutionary first of its kind measurem..
Extech CL207 Chlorine StandardEasy to clean, rugged flat surface Chlorine electrode. Careful use of ..
Extech CL500 Free and Total Chlorine MeterPortable tester for measuring of both Free and Total Chlor..
Extech DO210 Dissolved Oxygen Meter - Takes quick measurements of Dissolved Oxygen or % Oxygen ..
Extech DO610 ExStik® II DO/pH/Conductivity KitUser friendly kit economically measures 6 parameters s..
Extech DO700 Portable Dissolved Oxygen Meter9-in-1 Meter with Lab Performance A meter for Dissolved ..
Extech EC400 ExStik Conductivity/TDS/Salinity MeterWith the EC400 dynamic cell-constant technology i..
Extech EC500 Waterproof ExStik II pH/ConductivityCombination rugged flat surface pH electrode with a..
Hanna HI 98121 Combination pH and ORP Temperature TesterHI 98121 is a waterproof meter that measures..
Hanna HI 98128 pH and Temperature Tester - Automatic calibration with two sets of memorized buf..