Digital Multimeter E, Compact 3 1/2-digit multimeter for measuring voltage, current and resistance as well as for diode and hFE gain testing, All measurement ranges are selected by means of a rotary dial, dimensions: 90 X 190 X 35mm3 volt: 9V
Digital Multimeter P1035, Compact 3 1/2 digit multimeter for measuring voltage, current and resistance and also including diode and continuity tests, Complete with pouch, leads and battery, voltage: 9 V battery, Dimensions: 70x150x48 mm3, Weight: 260 g
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
Disk Public/Treated Water, pH: 4.5-9.5 pH, Series: D101, Total hardness: 0-70 gpg, Total alkalinity: 0-250 ppm, Tests include free and total chlorine(0-15 ppm), hardness, iron and copper(0-3.0 ppm)
Disposable Bacterial Filter, disposable microbacterial filter significantly reduces need to sterilize your spirometers flow head, 30 mm ID opening allows for an easy, air-tight fit to the flow head