混凝土回彈機.木箱精包裝,數值精度高.出口產品.
This product completely consistent with national and industry technical specification and standard as follows:
ASTM C 805, BS 1881:202, NF P18-417, DIN 1048 and UNI 9189.
Specifications:
• Nominal kinetic energy: 2.207J ;
• Stiffness of strike tension spring: 785±40 ( N/m );
• free length of strike tension spring: 61.5±0.3 ( mm );
• impact length of strike tension spring: 75.0±0.3 ( mm );
• The resilience values calibrated on steel anvil: 80±2 ;
• work temperature: -4℃— +40℃;
• environment humidity: ≤95% (relative humidity)
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