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The MUYA EZ-9909 is a compact, pen-style 5-in-1 water quality meter that measures TDS, EC, pH, salinity, and temperature in a single test. It covers a..

A pocket pen-type TDS meter that measures total dissolved solids in water with a single-touch button and a compact digital display. Built-in automatic..

A rugged data-logging meter that reads electrical conductivity, total dissolved solids, and salinity in water, storing results on an onboard-expandabl..

This kit rounds out the R3100SD conductivity/TDS/salinity meter with a 16GB micro SD card and adapter, a 110V AC power adapter, and a 1413 uS conducti..

The REED R3100SD is a data-logging meter built for water-quality monitoring, tracking conductivity, TDS, and salinity in one handheld unit with automa..

Replacement sensor probe for REED's R3100SD and SD-4307 data logging conductivity meters, sized at about 22mm diameter by 128.5mm length. It picks up ..

Pen-style 4-in-1 water quality meter that measures conductivity, total dissolved solids, salinity, and temperature, showing two readings at once on it..

Copper-bodied replacement electrode for the REED R3530 conductivity/TDS/salinity meter, covering conductivity, TDS, salinity, and temperature readings..

The REED R3530-Kit is a pen-style 4-in-1 meter that measures conductivity, total dissolved solids, salinity, and temperature on a dual LCD display, bu..

Pen-style water quality meter that reads conductivity, total dissolved solids, salinity and temperature at once on a dual LCD, with automatic temperat..