1.Environment temperature: 10 в„ѓ -35 в„ѓ
2. Air relative humidity: 80%
3.Pituitary weight: 0.5kg-6.3kg error is less than 0.5%
4. Hammer radius: R50 (mm) (D25  and D90 each one pcs)
5. Impact height: 0-2000 (mm)
6.Sample diameter: 10-400 (mm)
7.Working voltage: AC 220VВ±10%