Marina Aquarium Brush Cleaning Kit contains three cleaning brushes, foxtail brush is ideal for cleaning tubes up to 2,54 cm diameter and 45 cm length, airline brush is designed for cleaning airline tubing, filter st
Energy Tube, teaching resource for an array of scientific concepts: open and closed circuits, conductors vs. Insulators, light waves, sound waves,currents, and energy, When a conductor touches both of the electrodes on tube, tube emits a sound and flashing red/green/blue LED lights
Measures [degree]C/F. Range is -50 to 150[degree]C. Stainless steel probe. Has an accuracy of +-0.5[degree]C between -20 and 100[degree]C. Resolution is 0.1[degree] from -20 to 200[degree]C. Stem length: 20.3cm. With 1.5V silver-oxide battery. NIST traceable.
Measures [degree]C/F. Range is -50 to 300[degree]C. Stainless steel probe. Has an accuracy of +-1[degree]C between -20 and 100[degree]C. Resolution is 0.1[degree] from -20 to 200[degree]C. Stem length: 28.9cm. With 1.5V silver-oxide battery. NIST traceable.
Resonance Tube Apparatus, Long version, Material: Acrylic, Mounted on retort stand with clamp and boss, with metal vessel, connecting tubing and spring clip supported on iron ring, Dimension: 120cm
Reads [degree]F and C. Built-in clip. 6mm LCD. Readings updated every second. Range: -50 to 300[degree]C. Accuracy: +-0.2[degree]C. Stem length: 88.9mm. Stem diameter: 3.5mm. Overall length: 178mm. NIST traceable. Includes case and battery.
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