功能特點：時代TH142便攜式里氏硬度計的改進增加了如下功能；●   配有D型沖擊裝置，延長了使用壽命，提高了調試精度。●   可測試六種硬度制（HV、HRC、HRB、HB、HV、HS）；●   一機可同時配多種異型沖擊裝置（D、DC、D+15、C、DL、G）型；●   自動識別沖擊裝置類型（D、DC、D+15、C、DL、G）；●   可設置硬度值上下偏差自動聲音報警；●   屏幕具有背光，可調節對比度；●   可存儲48～350組測試數據；●   打印機與主機可分離，更便于攜帶；●   增加了測試材料（不銹鋼）及擴大了測試范圍；●   自動檢測電池電壓，當工作電壓低于額定值時，自動報警；●   可顯示電池電量,USB口方便充電；●  配有熱敏打印機，方便隨時隨地打印測試結果；●   全中文菜單，方便操作；三、技術參數：硬度制                                                       HL、 HRC、HRB、HV、HB、HS強度范圍（只限黑色金屬材料）                                   ab:370～2000（10n/m）精度                                  相對誤差±0.8%、示值重復性*.8（HLD=800）可設置偏差                                                       平均、zui大、zui小、上下限計算機輸出接口                                                                                USB標準沖擊裝置                                                               高性能D型沖擊裝置其它沖擊裝置                                                         DC / D+15 / G / C / DL測量工件的zui大硬度顛值                       940HV（D/DC/DL/D+15/C沖擊裝置）                                                                                  650HB（G沖擊裝置）測試方向                                                                                        任意測量工件的曲率半徑                         Rmin=50mm（用異型支承環Rmin=10mm）測量工件的zui小重量                                         穩定支撐2kg（0.1kg需耦合）測量工件的zui小厚度                                        3mm（G型沖擊裝置：10mm）  測量工件的zui小壓痕深度                                                 見沖擊裝置表一   電源                                                            充電電池NIMH12V,1200mAh  充電器                                                                                      9V75mA充電時間                                                                 2小時（有過充保護）使用溫度                                                                                   0～40℃外型尺寸                                                                         270×86×47mm重量                                                         675g（包括沖擊裝置和打印機）  里氏硬度計 測試范圍（表一）