Pump case is molded chemical resistant ABS
Water Detectors Max 5pcs per set
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Double-ended Socket with 15′ ballast cord
Movable: 4 casters allow the unit to be pulled in any direction smoothly
HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter bio-organic fertilizer Pump case is molded chemicalIdeal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM 100 is a professional level EC TDS meter at an unbeatable price. Measures electrical conductivity (EC), total dissolved solids (TDS), salinity and temperature. UPGRADED: Four scales: S, mS, ppm, ppt