China is now widely used live cable identification device is a pulse-coupled method. Works as follows: live cable identification device power signal generator periodic pulse signal fed live to be recognized cable, the receiver to detect the size of a particular signal is applied to the cable. To achieve this objective survey instrument cable model, receiver amplifier with a variety of cable survey instrument, so that all other cable caliper test ammeter pointer when no swing or swing small, hands swinging cable testing to be identified only apparent. When you use a variety of fiber optic cable tester census survey instrument supply, use only need to gently tap the cable, you can easily find the target location, instrument embedded systems ... cable survey instrument type, cable survey instrument, Xin Hao Yuan by Tianjin Xin Hao Yuan Science and Technology Development Limited. Tianjin Xin Hao Yuan Science and Technology Development Co., Ltd. (tjaic.gov.cn/shownews.asp?id=5921) strong, credible, in Tianjin's special instrumentation industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving Xin Hao Yuan innovative ideas will lead into the brilliant and you work for a better future!