型号如下：型号负载范围（）***小刻度（）起子长度（mm）1.5LTDK;3TDK;6TDK;12TDK;20TDK;30TDK;50TDK;100TDK20-1000空转式扭力计详细描述技术指标型号负载范围()***小刻度()起子长度(mm)1．5LTDK0.1-1.50.01963LTDK0.2-30.02966LTDK0.5-60.0511012LTDK2-120.116020LTDK4-200.116030LTDK4-300.116050LTDK10-500.25200100LTDK20-1000.5235)