بحث

بحث

2 قطعة شوكة ضبط 440 هرتز، شوكة ضبط الرنين مع صندوق مرنان خشبي، أداة تجريبية مع مطرقة شوكة ضبط 6.5 × 16 مم / 0.3 × 0.6 بوصة

KWD 12
– 1 +

مميزات خاصة

  • High quality physical experimental instrument, durable and practical.The tuning fork and the sound box should have a reliable connection and should not be shaken when the tuning fork is inserted or removed.
  • Two tuning forks of the same efficiency are made of the whole 45# carbon steel.
  • The edges and corners are neat and the surface is chrome plated, the frequency is 440 cycles per second.
  • The tuning fork set is used to demonstrate the resonance of sound in school.The tuning fork should be protected from breaking and high heat to prevent frequency change.
  • Can be used as a general tuning fork of a variety of experiments, such as the sound of the occurrence, interference, sound conduction of various substances.

وصف

Specification:
Condition: 100% brand new
Frequency: 440 cycles per second
Fork section size: 6.5 * 16mm / 0.3 * 0.6in
Tuning fork arm length: approx. 109mm / 4.3in
Distance between arms:17mm / 0.7in

Package List:
2* Tuning Fork
2* Wood Resonator Box
1* Knocker

Note:
1. The tuning fork should be protected from breaking and high heat to prevent frequency change.
2. The tuning fork and the sound box should have a reliable connection and should not be shaken when the tuning fork is inserted or removed.

منتجات شبيهه

{"error":"\u062e\u0637\u0623","cart_limit":"\u0644\u062f\u064a\u0643 \u0627\u0644\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0641\u064a \u0633\u0644\u0629 \u0627\u0644\u062a\u0633\u0648\u0642 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0643.","prod_limit":"\u0644\u0627 \u064a\u0645\u0643\u0646\u0643 \u0625\u0636\u0627\u0641\u0629 \u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0647\u0630\u0627 \u0627\u0644\u0645\u0646\u062a\u062c"}