For filtering, cleaning. Brilliant white. Certified 100% pure cotton of reagent-grade quality. Will not scratch sensitive surfaces. Absorb 6 times their weight of solvents, aqueous solutions. Inert to even harsh solvents. 22.9x22.9cm. Unfolded: 45.7x91.4cm. Dispenser box.
Galvanic principle, IP54 Grade with 30 sets data memory, Galvanic DO electrode, no warm up needed, save time,Auto/manual endpoint, recall last calibration data,Easy to calibrate
Go Direct* pH Sensor, is a general-purpose pH sensor used to monitor pH of aqueous solutions, pH range: 0-14, Type: Sealed, gel-filled, epoxy body, Ag/AgCl reference, Shaft diameter: 12 mm OD, Storage solution: pH-4/KCl solution (10 g KCl in 100 mL buffer pH-4 solution)
Digital Multimeter P3340, For universal use in measuring voltage, current, resistance, frequency, capacitance, temperature, diode and continuity tests, voltage: 9 V battery, Dimensions: 92x195x38 mm3, Weight: 200 g