HI 23151 Bench-Top Multi-Range Conductivity Meter with ATC and Analog Output  The HI 23151 Bench-Top Multi-Range Conductivity Meter is a multi-range meter with built-in automatic temperature compensation for Conductivity measurements. The HI 23151 replaces EC 215R and features a large, easy to read LCD, solution holders and an attractive redesigned case. The HI 23151 utilizes a four ring potentiometric probe with platinum sensor ... Read More »