VBR-II型砼維勃稠度儀主要用于集料粒徑不大于40mm ，維勃稠度值在5-30 秒之間的干硬性混凝土的測定。產(chǎn)品符合GB/T 50080、JG/T248-2009、JG/T 250-2009、JB3043、SL352 、ASTMC143、JTG E30和BS1881標(biāo)準(zhǔn)要求。

VBR-II型砼維勃稠度儀主要技術(shù)參數(shù)：
振動臺空載振幅（含容器）                      0.5mm
振動臺頻率                                                  50Hz
VB實(shí)驗(yàn)時壓重                                             2750g±20g
VC實(shí)驗(yàn)時壓重                                             7500g±50g
改進(jìn)VC實(shí)驗(yàn)時壓重                                     8700g±50g
坍落度筒（頂部直徑×底部直徑×高）     φ100×φ200×300mm
電源功率                                                      380V、50Hz、250W
凈重                                                              ≈30kg