The tester is the special instrument for papermaking,scientific research and quality-control department .It is designed caccording to ISO 1974,GB/7455.2

Technical parameters:

Standard arm:(10-100)mN,degree mini:10mN

Light arm:(10-500)mN;degree mini:5mN

Lightest arm:(10-200)mN;degree mini:2mN

Result error:within maximum range 20%-80%:±1%

                  out range:±5%FS

Tearing arm:104±1(mm)

Beginning angle for tearing:27.5^o±0.5^o

^{Tearing length:(43±0.5)mm}

Specimen size:(25*15)mm

Clamp distance:(2.8±0.3)mm