Breckland Scientific 2021 Catalogue

Sound & StandingWaves

Ruben’s Tubes

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3 DOPPLER SWING Swing it in a full circular motion and your students will experience the doppler effect first hand. Uses 2 x AA batteries (not included). Cat No. Description Price Per SWA-055-100 Doppler Swing 30.85 ea. BAT-100-200 AA Batteries 2.08 4 4 LASCELLS DOPPLER BALL The Doppler Ball is a 90mm plastic ball with a PP3 battery powered tone generator and speaker inside. The ball can be safely whirled round in a large horizontal circle to demonstrate the Doppler effect. Good output volume and variable pitch provide all that is required for an effective demonstration of the Doppler shift associated with a moving source. PP3 battery and rotation cord supplied. Cat No. Description Price Per SWA-045-200 Doppler Ball 59.23 ea. 5 TUNING FORKS SET Anodised aluminium set of 8 in a wooden box. Range C 1 - 256Hz to C 2 - 512Hz. Cat No. Description Price Per SWA-800-100 Tuning Forks Set - Aluminium 38.16 set 6 SOUND LEVEL METER - DIGITAL A mini digital sound level meter which includes temperature measurement. This easy to use sound level meter is accurate, has a fast response time and includes a colour LCD display with backlight. • Sound level and temperature measurement • Max/Min and data hold • Frequency Range: 31.5 to 8 KHz with ‘A’ frequency weighting 1 LASCELLS RUBENS TUBE An exciting way to show the effect of sound waves in action, the Rubens’ Tube really brings the topic to life in a way students will remember. The robust stainless steel welded construction means trouble free operation for many years. Complete with full instructions and safety guidance, this apparatus is suitable for use with any amplified Signal Generator. Requires a supply of bench or bottled gas. Size: 1m x 85mm x 100mm (L x W x H) Cat No. Description Price Per SWA-385-100 Rubens Tube 200.20 ea. 2 LASCELLS RUBENS TUBE AMPLIFIER This is a small amplifier which attaches directly to the either the Lascells Ruben’s tube or Breckland Ruben’s tube. It comes complete with a 9V power supply and 3.5mm connection cable and allows music from MP3 players, iPods and computers to be played, adding an extra dimension to Rubens tube demonstrations. Cat No. Description Price Per SWA-385-120 Rubens Tube Amplifier 48.20 ea.

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Lascells Ruben’s Tube with Amplifier (inset)

Sound

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Doppler Swing

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Aluminium Tuning Forks

Doppler Ball

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• Sound Level: 35 to 135 dB x 0.1dB • Temperature: -20 to +70°C 0.1°C

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• Over range indication • Low battery indication • Auto power off - enable/disable function • Power: 3x AAA batteries (included) • Dimensions: LCD: 30 x 28mm. Overall: 144 x 56 x 30.5mm Cat No. Description

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SWA-605-100 Digital Sound Level Meter

40.96 ea.

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Sound Level Meter - Digital

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