Performance Improvement of Membrane Stress Measurement Equipment through Evaluation of Added Mass of Membrane and Error Correction

Table 2

Types of membrane material

Name	Membrane material
	Textile	Coating	Density ()
Type A	Glass fiber	Ethylene fluoride	Approx. 1.3
Type B	Glass fiber	Synthetic resins	Approx. 0.9
Type C	Synthetic fiber and so on	Synthetic resins	Approx. 0.8