Sew 181 CB

Category: Cable Tracers

Amplifier Probe

● The Amplifier Probe is designed to identify and trace 
   wires or cables within a group without damaging 
   the insulation.
● Works with any Tone Generator to identify wires.
● Volume control for increased sensitivity and adjustable
   to suit work environment.
● Recessed ON/OFF button prevents battery drain.
● A phone jack is designed for headset or handset.

Tone Generator

● Tone Generator is a great tool for locating and 
    identifying cable pairs or individual conductors.       
● 181 CB-G does not only serve as a tone generator, 
    but also serves as a continuity and polarity tester.       
● A tone selector switch located inside the unit for 
   selection of the fast tone or the slow tone.
● The continuity function is only applied to Line 1.
● Two bi-colored LEDs for Line1 and Line2 indication 
   of the polarities of the telephone lines.    
● The unit has alligator type terminals, a modular cable 
   of 4 conductors with a strong connector.

Amplifier Probe    
Frequency 1Hz~12kHz
Receiver distance < 50cm
Sensitivity control ˇ
Probe tip Fixed
Power source 9V(6F22) × 1
Dimensions 230(L) × 56(W) × 27(D)mm
Weight Approx. 125g (battery included)
Tone Generator    
Wave form Square Wave
Frequency 1kHz±15%
Over voltage
80V DC
Single tone  
Alternating tone Fast and Slow
Connection RJ11 connector, alligator clip x 2,
RJ45 connector (optional)
Power source 9V(6F22) × 1
Dimensions 86(L)×63(W)×26(D)mm
(battery included)
Approx. 130g
Operating temp &
0˚~40˚C, 80% Max.
Storage temp &
-10˚~50˚C, 80% Max.
Safety standard EN 61326-1 EN 55011
EN 6100-4-2 EN 6100-4-3


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