The tester is the special instrument for papermaking, scientific research and quality -control department. It is designed according to ISO 1974 ,GB/T455.2 . Technical parameters: Items Technical parameters Test range Standard Arm (10~1000)mN,degree mini :10mN Light arm (10~500) mN, degree mini :5mN Lightest arm (10~200) mN, degree mini 2mN Value accuracy Value error Within maximum range 20%~80% :±1%,out range :±0.5%FS Value repeat error Within maximum range 20%~80% :±1%,out range :±0.5%FS Tearing arm (104±1)mm Beginning angle for tearing : 27.5±0.5 Tearing length : (43±0.5)mm
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