1、 采用常温型半导体酒精传感器TP-3A 2、 灵敏度高,快速反应和恢复 3、 测试范围宽:0.01%BAC――0.4%BAC 4、 液晶数字显示测试结果,直观稳定 5、 功耗低,采用两粒“AAA”碱性电池供电。可使用50次... ...
This innovative product cones advanced professional grade microscope features and an easy to use point and shoot camera. The LCD Dial Microscope is an ideal tool for up close examination of... ...