Owner's manual

3B SCIENTIFIC

PHYSICS

Monochord U8431216

Instruction sheet

02/08 ALF

1 Fixed bridge

2 String

3 Resonator

4 Knurled screw

(tuning peg)

5 Wing screw

1. Safety instructions

Be careful not to apply too much tension to the

string. The string might snap and cause injury.

• Do not bend over the resonator while using the

monochord.

2. Description

The monochord is used to demonstrate the relation

between the pitch of vibrating strings and their

tension, thickness and length.

The monochord consists of a wooden box open on

both ends, upon which a steel or nylon string is

held tight at one end. The tension of the string can

be adjusted at the other end by means of a knurled

screw that is used as the tuning peg. The length of

the string can be varied by moving a bridge. One

scale for measuring length and a musical scale are

printed on the resonator box.

2.1 Scope of delivery

1 Resonator

1 Bridge

1 Steel string (B string)

1 Nylon string (B string)

1 Dynamometer

3. Technical data

Resonator box: 490 x 70 x 60 mm

Scale length: 600 mm

Scale divisions: in cm

Weight: 0.6 kg approx.

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3B SCIENTIFIC® PHYSICS Monochord U8431216 Instruction sheet 02/08 ALF 1 2 3 4 Fixed bridge String Resonator Knurled screw (tuning peg) 5 Wing screw scale for measuring length and a musical scale are printed on the resonator box. 1. Safety instructions Be careful not to apply too much tension to the string. The string might snap and cause injury. • Do not bend over the resonator while using the monochord. 2.
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• 4. Operation Additionally required: Tuning forks • Fit the string onto the monochord. To do this, fit the string into the slot at the left-hand end of the instrument by means of the small metal ring and push the free end through the peg (fig. 1). • While tightening the peg, tune the string with the help of a tuning fork. Fix the peg with the wing screw. • Make the string vibrate either by plucking it or bowing it.