Refurbished Substance Analysis Instrumentation — 9 Deals

Extech EC150 Digital Conductivity, TDS and Temperature Meter - Waterproof Water Quality Tester Pen with Automatic Temperature Compensation (ATC) for Hydroponics, Aquariums, and Pools

Extech EC-84-P 84 µS Conductivity Standard Calibration Solution - 2 x 1 Pint Bottles for Conductivity Meters, TDS, and EC Testers - Precise Lab-Grade Reference Fluid

Watflow DN20 Water Meter 3/4" NPT,AWWA C708 Certification Gallon Water Flow Meter with Pulse Output, Cold Water Meter for Garden/Home/Apartment, Horizontal Install.

HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 PPM Measurement Range, 1 PPM Resolution, +/- 3-Percent Readout Accuracy

Brix Refractometer 0-90%, Brix Meter Refractometer with ATC, Accurate Sugar Refractometer Maple Syrup, Refractometer Brix for Measuring Sugar Content in Fruit, Honey, Maple Syrup & Other Sugary Drink

pH Calibration Solution 4.00+7.00, 250 ml (8.4 fl.oz) Each: pH 4.00 Buffer, pH 7.00 Buffer, pH Meter Buffer Calibration Solution with 2 * 30ml Container for pH Tester, pH Pen, pH Probe

Gas Flowmeter, LZQ-7 1-10LPM Unidirectional Flow Meter Oxygen Tester with Control Valve for Nitrogen, Air, Gas, Hydrogen

E-Found Oxygen Flow Meter 0.1-1.5LPM Flowmeter for Fluid Filtration System Oxygen Air Flowmeter Gas Regulator Acylic Flow meter with Control Valve for Oxygen/Air/Gas

Gas Flow Meter, WL-12 Tube Type Copper Chrome Plated Air Gas Flowmeter, NPT 1/4 Inlet Thread, 1-25 m³/h Measuring Range, Oxygen Flow Meter