 - Tektronix 1503C- Manufacturer: Tektronix
- Model: 1503C
 - The Tektronix 1503C is a Portable MTDR Cable Tester. Webster, MA
 - Tektronix 1503B- Manufacturer: Tektronix
- Model: 1503B
 - The Tektronix 1503B is a Metallic Cable Tester that uses time domain reflectometry (TDR), which is also known as cable radar, to pinpoint faults or changes in impedance in almost any dual-conductor metallic cable... Webster, MA
 - Tektronix Used 1503B- Manufacturer: Tektronix
- Model: 1503B
 - The portable, rugged 1503B TDR Cable Tester is afield maintenance tool that are simple to operate and will test any transmission cable under virtually any condition. These units use a technique called Time Domai... $1,271 USDWoburn, MA
 - Tektronix 1503- Manufacturer: Tektronix
- Model: 1503
 - The Fluke 1503 Insulation Testers are compact, rugged, reliable, and they are easy to use. Because they have multiple test voltages, this will make them ideal for many troubleshooting, commissioning, and preventa... Webster, MA

