TYPE 8204

Miniature impact hammer, 22.7 mV/N, includes head extender

Designed to excite and measure impact forces on small structures such as disc-drive heads, circuit boards, turbine blades and similar small structures.

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An accelerometer (or laser velocity transducer) is used to measure the response of the structure.


  • Impact-force measurements on small structures
  • Measurement of frequency response functions using impact excitation techniques
  • As part of a dynamic structural testing system for modal analysis and the prediction of structural response
22.5 mV/N
Range full scale
222 N
Maximum force
890 N
Head mass
2 g
Operating temperature range
-73° to 60°C
Overall length
122 mm
Handle material
Poly Extension
Case material
Stainless steel
Connector electrical
10-32 UNF
Accessories included
Head extender, cable