Hydratron’s pressure test device has an onboard round chart pressure and is mounted on wheels providing a broad span of test pressures with an option of 3 pressure gauges and has a three pen round chart pressure recorder. .
Hydratron压力测试装置具有一个板载的圆图压力和安装在车轮提供一个广阔的跨度测试压力3压力表的选择，有一三笔圆图压力记录仪。。
Meanwhile, the AZ Pump Chemical Injection device has a graded supply container.
同时，AZ泵化学注入装置具有分级供应容器。