Simulator Auditorium Ir Sound System 1, Auditorium Infrared Sound System (ISS) transmits sounds to a small or large audience with each person wearing a wireless HeartMan Infrared Headphone (HIH), 2 versions: Single three pannel, Dual three pannel
Simulator Auditorium Ir Sound System 2, Auditorium Infrared Sound System (ISS) transmits sounds to a small or large audience with each person wearing a wireless HeartMan Infrared Headphone (HIH), 2 versions: Single Three-Panel, Dual Three-Panel
pH pen for standard test tubes 16x50 mm or larger. Comes with ATC, Range: 0 - 14, Accuracy: +/- 0.1, Designed for simple one-hand operation. Automatically calibrates to pH 4, 7 and 10 buffers, The case is IP65 waterproof, Probe: 120 mm × 12 mm, Dimensions: 245 × 35 × 22 mm
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