HI 2209 pH/ORP Bench-Top Meter The HI 2209 pH/mV Meter with Manual Temperature Compensation (MTC) provides a simple to use, cost effective method for measuring pH.  Designed for durability and simplicity of use, this instrument features a large, easy to read LCD and user friendly dials. In order to achieve maximum accuracy, the HI 2209 features a manual pH calibration at one or ... Read More »

HI 2209 pH/ORP Bench-Top Meter The HI 2209 pH/mV Meter with Manual Temperature Compensation (MTC) provides a simple to use, cost effective method for measuring pH.  Designed for durability and simplicity of use, this instrument features a large, easy to read LCD and user friendly dials. In order to achieve maximum accuracy, the HI 2209 features a manual pH calibration at one or ... Read More »