| 摘要 |
An apparatus 1 for testing insulated rail joints 7 comprises a housing 2 containing a power source and associated electronic circuitry. The apparatus 1 further comprises of two leads 9. A probe 4 is connected to one of the leads 9 and a magnetic terminal 14 is connected to the other lead 9. An LED display panel 8 indicates, in a qualitative manner, the impedance across the joint 7 once the test has been carried out. The apparatus may also include a low battery warning system. |
