The CI75 Cable ID System
Power cable jointing technicians are often faced with the problem of having to cut into existing live
cables in order to expand their existing networks.

The CI75 was designed to facilitate the positive identification of one disconnected power cable from
a bundle. It will, when used correctly positively and safely identify one specific cable.  It is very simple
to operate and will give perfect results time after time.

Principles of Operation

The unit uses a crystal controlled sine wave as a basis on both the transmitter and receiver of 625Hz.
The signal is transmitted into the cable by directly connecting it to two of the cores on the cable to
be identified. The far end of the cable should be disconnected and the same two cores short circuited.

The unit will also function when the far end of the cable is put into earth using the switchgear. The
signal is then picked up by the antenna and its signal strength displayed through the analog meter
on the panel.

The application of the instrument is very simple and very low levels of skill is needed for successful
positive cable identification.
SAFETY DEVICES : CI75
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TRANSMITTER
Output Power

Power Supply

Weight

Battery Indication

Battery Life

Operating Freq.

Range

Signal

Output Protection


Operating Temp.
RECEIVER
Gain

Filter

Power Supply

Weight

Battery Indication

Battery Life

Antenna

Audion Indication

Visual Indication

Operating Freq.

Operating Temp.
5W Continuous/Pulsed

6 X 1.5V C Cells (Alkaline)

1Kg

Red/Green LED

Approximately 40Hrs

625Hz

20km

Pulsed/continuous sine wave

Matching transformer
isolated

0C to +50C
120dB Max

Switched Capacitor Type

1 X 9V PP3 (Alkaline)

500G

Red/Green LED

Approximately 40Hrs

High Gain Tuned System

Loudspeaker

Analogue Panel Meter

625Hz

0C to +50C
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