JET 500 is the advanced top model of the TISCO 3000 insulated rail joint tester. It is a special test device can not be seperated by signaling maintainers with it’s new features, as well as to be used in the insulation measurement of railway equipment which need to be insulated and for the measurement of switch motor connection poles as well.
| Peculiarities : Working temperature | -20C – +50C |
| Working humidity range | < 80%RH |
| Atmospherical pressure | 74 kPa – 107 kPa |
| Accuracy of the measurement | 0,1 ohm – 1 ohm |
| Measurement range | 1 – 500 ohm |