The E-CLM1 is a hand-held battery-powered meter for determining the length of RG59 or RG58 cable. Using Time Domain Reflectometry, it is able to produce a read-out, in metres, of the length of a cable with a resolution of 2.5 meters.

The E-CLM1 can be used to measure upto a maximum distance of 400 meters. Or it can also be used to determine a fault on a cable by indication of an open circuit or short circuit. For the most accurate reading it is recommend to have the opposite side of the cable unterminated when testing. Powered off a PP3 9VDC battery, the meter is a handy tool for any CCTV technician to own.