Horiba U-50 Series Control Unit Calibration Solution so they connect directly to

so they connect directly to a compatible meter without a separate reference electrode

DS/pDS meters and Ultrapen PT1 / PTBT1 pens whenever readings are reported in 442 TDS

and the NEMA 4X enclosure runs on 100/115/220VAC or 24VDC

closing the bottom check valve and forcing water already in the pump chamber up through the top check valve to the sample line

3999960127) — conductivity

Horiba U-50 Series Control Unit Calibration Solution so they connect directly toReplacement handheld control unit for the HORIBA U 50 Series multiparameter water quality meters. Supplied without a sensor probe replace only the display unit and keep the probe you already own, or add a second control unit so two crews can share one set of probes. The control unit is the display, keypad and data logger of the U 50 system. It shows every measured parameter simultaneously, stores readings in internal memory, and downloads to a PC