Range -30/60[degree]C and -20/140[degree]F, Accuracy +/- 1C or +/- 2F. Complete with three distinct arrows displays max, min and current temperatures. Unit is white plastic casing with color coded dual scales and reset knob for fast, multiple applications.
Racing Rings consists of three rods one each of copper, aluminum and PVC, Ring magnet is dropped down the PVC rod, it falls unobstructed, Two metal rods create an induced magnetic field to that adds resistance to the rings travel, metals are different, they fall at different rates
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.