WAW-300B型微机控制电液伺服万能试验机主机采用油缸下置式主机，主要用于金属、非金属的拉伸、压缩和弯曲试验。适用于冶金、建筑、轻工、航空、航天、材料、大专院校、科研单位等领域。试验操作和数据处理符合GB228-2002《室温材料金属拉伸试验方法》的要求。
WAW-300B伺服式万能试验机主要性能技术指标

1    最大试验力kN                                                          300

2    试验力测量范围kN                                          30～300

3    试验力示值相对误差                                    ≤示值的±1%

4    试验力分辨率                                                            0.01kN

5    位移测量分辨力mm                                      0.01

6    变形测量精度mm                                              0.01

7    最大拉伸试验空间mm                              550

8    最大压缩空间mm                                              380

9    活塞行程mm                                                              150

10  圆试样钳口夹持直径mm                      Φ6-Φ26

11  扁试样钳口夹持厚度mm                      0-15

12  扁试样最大夹持宽度mm                        70

13  压盘尺寸mm                                                                φ160mm

14  弯曲试验两点间最大距离mm          450

15  弯曲支滚宽度mm                                                  120

16  弯曲支滚直径mm                                                  Φ30

17  活塞最大移动速度mm/min                  50

18  夹紧方式                                                                                  液压夹紧

19  主机外形尺寸mm                                                    720×580×1950

20  测力柜外形尺寸mm                                          1000×700×1400