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TENMARS TM-903 Multimedia Cable Tester


The TM-903 Multimedia Cable Tester is a hand-held test instrument that lets you verify and troubleshoot the LAN cable of twisted pair.

It displays graph wire-map, opens, shorts, miss wires, split pairs and the remote ID number all on one screen.

Using multiple remote ID up to 8 locators to test on RJ-45 (UTP, STP) LAN cable, video coaxial cable and RJ11 voice cable.

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SKU: TENMARS TM-903 Categories: , Tags: ,

Product Description

– Detects opens, shorts, miss wires and split pairs on twisted pair cabling.
– Measures length. 
– Low battery detector.
– Auto backlit.
– Auto power off

Connector Types RJ-45, F-Connector and RJ11
Cable Category LAN cable (UTP, STP), video, coaxial cable and voice cable
Wire-Map Test Detects opens, shorts, miswires, split pairs
Length Test up to 255 meters (836 feet)
Length Resolution 0.1meter or foot
Length Units Meter and Foot
Accuracy ±10% + 1.0M (3ft)
Maximum Power (Operating) 20mA
Operating Temperature 5°C to 40°C, below 80% R.H.
Storage Temperature -10°C to 60°C, below 70% R.H.
Power 6 x 1.5V Type ‘AAA’ batteries
Battery Life Approx 200 times continuous testing
Dimensions 156mm (L) x 73mm (W) x 35mm (H)
Weight 170g approx.
Weight 1 kg


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