股票磁带计时器

型号HV-Exp4278
股票磁带计时器Science Labs Hoverlabs is Manufacturer, Exporter Supplier of Ticker Tape Timer. Technical Description - Ticker Tape Timer AC : For the measurement of speed and acceleration. It operates on 12V AC and is safe for students. Paper tape, drawn through guides, is struck by a dotting screw carried on the armature. On wooden base with 4 mm sockets. Includes one roll of tape and 12 carbon discs. - Transformer: Suitable for Ticker Tape Timer AC. Input 220V AC., Output 12V AC. Ticker Tape Timer DC This is operated by two dry cell batteries(Not included). It produces 30 to 50 dots per second. The wooden base provides stability. Includes one roll of tape and 12 carbon discs. Ticker Tape: Roll of paper tape width approx. 10mm. Carbon Discs: Pack of 48.