Measuring bellows specifications: Φ22mm~Φ 350mm, Φ22mm~Φ750mm Φ22mm~Φ1050mm, Φ22mm~Φ 1200mm, Φ22mm~Φ1450mm Φ22mm~Φ1650mm, Φ22mm~ Φ1950mm, Φ22mm~Φ2250mm Φ22mm~Φ2550mm. 

1.Measuring resolution: 0.1mm (LED digital display) 

2.Measurement accuracy: ±0.5% of specimen inner diameter. 

3.Deformation accuracy: ± 0.1mm (1% of the deformation)

4.Power supply: 220V 50H 

5.Weight:5kg 

6.Overall dimensions:17x27x62cm