TR-Mark III匝数比测试仪用于检查单相和三相变压器匝数比 ，应用于生产和服务 
• 测量电压，变比，电流和相移
• 扩展测量范围用于测量电力变压器，也就是电压和电流变压器
• 自动测量电压范围
• 由于接线一次无需调整，能够快速测量
• 杰出的准确性和只有极小负载的被测设备
• 通过U盘来进行数据交换
• 集成打印机?
• 高性能保护电路；紧急停止
• 坚固、轻便、防水手提箱
• 免费的T-Base Pro分析软件（见第6章，“软件”）

TR-Mark III匝数比测试仪To minimize shock hazard, the instruments Ground Terminal must be connected to a properly grounded receptacle. In many cases, the quality of the safety ground provided by the power cord does not fulfill safety needs. Also the power cord supplied with the equipment must be connected an electrical receptacle with an electrical ground (safety earth ground). Non grounded instruments are dangerous and may cause instrument damage.