Sound
Demonstration Monochord
The Demonstration Monochord investigates the relationship between the pitch of a sound and the length of the string. Also investigate overtones formed by harmonic waves with intermediate nodes and the dependence of the pitch on string tension.
Two ...
Item: U15100 [1002959]
$ 155.00
Set of 3 Monochord Strings
Two steel and one nylon string with eyelets, fitting the monochord D(U15100)
Item: U15101 [1002960]
$ 21.00
Chladni's plates
For the purpose of demonstrating Chladni's acoustic figures with fine, dry sand. Plates with 4-mm-plugs.
square 140 mm x 140 mm
Item: U18072
$ 22.00
$ 14.79
Kundt's Tube With Scale
Transparent acrylic tube with scale and end plates for measuring standing acoustic waves and determining their wavelength in air or in other gases.
With tubing nozzles for filling the tube with various gases, built-in speaker at one end, a bore and ...
Item: U20600 [1003115]
$ 670.00
Probe Microphone
Probe microphone for measuring changes in sound pressure in a Kundt tube with scale (U20600). A miniature microphone is attached to one end of a long stainless steel rod.
Frequency range: 20 Hz – 20000 Hz
Dimensions: approx. 740 mm x 8 mm dia ...
Item: U20601 [1003116]
$ 318.00
Battery Box
Accessories for probe microphone (U20601) including a power supply and equipment for connecting the microphone to a meter or oscilloscope. The equipment includes a battery compartment for one 9 V alkaline battery and a voltage regulator to output the ...
Item: U20602 [1003117]
$ 201.00
Analog Sound Meter
Features:
- Easy to read analog display
- Max Hold
- Battery check
- Analog output for connection to chart recorders and dataloggers.
- Tripod mount ideal for field use
Ranges: 54 to 126 dB in 7 ranges (referenced ...
Item: U40182
$ 73.00
Digital Sound Meter
Features:
- +/- 2dB accuracy with 0.1dB resolution
- A&C weighting
- AC analog output
- Record max/min values over time
- Auto power off and Max Hold functions
- Utilizes 0.5" (12.7mm) condenser microphone
- Tripod
Item: U40183
$ 93.00
Plug in power supply for U40322
Power supply for use with U40322 which eliminates the need for a 9V battery.
Item: U40323-115
$ 16.00
Metallophone
Metallophone for demonstrating a C major scale from c² to g². Note labels, frequencies and frequency ratios are printed on the instrument. With striking hammer.
Dimensions: approx. 320x210 mm²
Weight: approx. 510 g
Item: U8430290 [1000804]
$ 98.00
Helmholtz Resonator d = 70 mm
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb.
The elasticity and inertial mass of the air in the bulb
...Item: U8430310 [1003520]
$ 28.00
Helmholtz Resonator d = 52 mm
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb.
The elasticity and inertial mass of the air in the bulb
...Item: U8430320 [1003521]
$ 23.00
Helmholtz Resonator d = 40 mm
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb.
The elasticity and inertial mass of the air in the bulb
...Item: U8430330 [1003522]
$ 21.00
Helmholtz Resonator d = 32 mm
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb.
The elasticity and inertial mass of the air in the bulb
...Item: U8430340 [1003523]
$ 19.00
Monochord
A wooden box open at both ends, with a clamping mechanism for a string to demonstrate the relationship between pitch and string length and the dependence of pitch on string tension. Includes an indicator for the tensioning force, as well as a steel string ...
Item: U8431216 [1000806]
$ 199.00
