Extech Instruments CLT600 User manual

Quick Start

CLT600 Cable

Locator and

Tracer

Application Illustrations

Figure 1 Locating wire breaks. Diagram shows one Transmitter in a fixed loca-

tion and one Receiver being used in two locations. The Receiver position on the

left is detecting a signal, while the Receiver position on the right is not detecting

a signal.

Figure 2 Locating and tracing lines and receptacles

#NAS100049; r. AA/70188/70188; en-US 1

Figure 3 Two examples of matching connected points in a circuit.

#NAS100049; r. AA/70188/70188; en-US 2

Figure 4 Two examples of broken line detection tests. Top diagram shows a

two-conductor test; bottom diagram shows a single-conductor test. Diagrams

show one Transmitter in a fixed location and one Receiver being used in two loca-

tions. On the top diagram, the Receiver position on the left is detecting a signal,

while the Receiver position on the right is not.

#NAS100049; r. AA/70188/70188; en-US 3

Figure 5 Non-Contact Voltage Detection

M AN U

RE C EIVER

LEVEL

TR AN SM IT TER

CA T III450V

Figure 6 Using the supplied earth ground spike (rod)

#NAS100049; r. AA/70188/70188; en-US 4

Quick Start (English)

Note: Please refer to the User Manual for complete instructions:

https://support.flir.com.

SAFETY

• This device has been designed and tested according to CE

Safety Requirements for Electronic Measuring Apparatus, EN

61010-1 EN 61326-1 and other safety standards.

• Safety Rating: Category III 450 V.

TRANSMITTER AND RECEIVER DESCRIPTIONS

Transmitter Description (shown on left, above)

1. Negative (COM) ground, or common terminal. Connect the

black test lead here.

2. Positive ‘+’ terminal. Connect the red test lead here.

3. Worklights

4. LCD Screen

5. Power button (short press ON/OFF).

6. LEVEL button. Press and ‘LEVEL’ will flash on the display. Se-

lect one of three signal levels using the arrow buttons.

7. TEST/STOP button. Press to send/stop the transmission signal.

8. CODE button. Long press and ‘CODE’ will flash on the display.

Select a code (F, E, H, d, L, C, O, A) using the arrow buttons.

#NAS100049; r. AA/70188/70188; en-US 5

9. Down arrow. Short press to decrement the selection in the LEV-

EL or CODE modes.

10. Up arrow. Short press to increment the selection in the LEVEL

or CODE modes.

11. Worklight button (short press).

12. Backlight (short press) and beeper mute (long press) button.

Receiver Description (shown on right, above)

13. Receiver antenna. Detects a transmitted signal or a voltage

source in non-contact detector mode.

14. Worklights

15. LCD screen

16. Backlight (short press) and beeper mute (long press) button

17. Power button (short press).

18. UAC button. Short press to access the non-contact voltage de-

tector. Press again to return to normal Receiver mode.

19. Worklight button (short press).

20. Down arrow. When in Manual Mode, short press to decrease

the sensitivity level.

21. Up arrow. When in Manual Mode, short press to increase the

sensitivity level.

22. Manual (M) button. Short press to access the Manual signal de-

tection mode. Select from eight sensitivity levels, using the LEV-

EL buttons.

NOTE: The battery compartment is located on the back of the in-

struments. Each instrument requires 6 x 1.5 V ‘AAA’ batteries.

DISPLAY DESCRIPTION

1. Battery status.

2. Beeper ON/OFF status.

3. Voltage warning.

#NAS100049; r. AA/70188/70188; en-US 6

4. Signal indicator (indicates that the digital display is showing the

received signal strength).

5. Manual detection mode.

6. Automatic detection mode.

7. Voltage AC or DC (digital display is showing an AC or DC volt-

age measurement).

8. Digital display for voltage measurement (Transmitter) or the

Transmitter's output Level as selected by the Transmitter opera-

tor.(Receiver).

9. Transmission strength (Level) selection.

10. Code ID indicator.

11. Signal indicator. Radiating arc graphics appear when Transmit-

ter is sending a signal. On the Receiver, the number of arcs cor-

responds to the Receiver’s 'sensitivity level'.

12. Bar-graph shows signal level.

TRANSMITTER OPERATING MODES

Transmitter TEST and TRANSMIT Mode

In TEST mode (default), you can measure AC or DC voltage from

12 V to 450 V AC / DC with the test leads. You also transmit a sig-

nal: Press the TEST/STOP button to allow the Transmitter to send a

signal. Press the TEST/STOP button again to switch the signal OFF.

Transmitter LEVEL Select Mode

Press the LEVEL button, the ‘LEVEL’ text will flash. Use the arrows

to select the strength of the transmission signal (level: 1~3). Press

LEVEL again to return to the TEST Mode.

CODE Selection Mode

Codes are used to differentiate two or more Transmitters that can

be used to detect a break in a circuit. Long press the CODE button,

the ‘CODE’ text will flash. Use the arrows to select the code for the

transmission signal (F, E, H, d, L, C, O, A). Press CODE again to re-

turn to the TEST Mode.

RECEIVER OPERATING MODES

Automatic Detection Mode

In Auto Detection mode (default) you can detect the high frequency

transmission signal at the highest sensitivity. The Receiver re-

sponds to the detected signal with a variable tone (550 Hz ~ 1.6

kHz) and a bar-graph indication. The stronger the signal, the higher

the frequency of the tone and the more bars on the graph.

#NAS100049; r. AA/70188/70188; en-US 7

The Receiver displays SIG (Signal) and the numeric value of the re-

ceived signal strength. The optional transmission Code, sent from

the Transmitter, is also displayed.

Manual Detection Mode

Press the Mbutton and select the signal sensitivity level manually

(8 steps) using the arrows. Press Magain to return to the Auto-De-

tection mode.

Non-Contact Voltage Detection Mode (UAC)

Press the UAC button. In this mode you can detect AC voltage with-

out having to make contact with the circuitry. See the dedicated

section later in this document.

SINGLE-POLE APPLICATIONS

Locating Opened Wires

1. Refer to Figure 1 in the Application Illustrations section.

2. Connect from the red, positive (+) terminal to a single conductor.

3. Connect from the black (COM) terminal to earth ground.

4. If there are additional conductors in the same conduit or cable,

they will also have to be connected to earth ground. For conven-

ience, use the supplied ground rod if testing outdoors.

5. The Receiver can now detect the location of the wiring fault.

Locating and Tracing Lines and Receptacles

WARNING: Do not perform this test on a live circuit.

1. Connect from the red, positive (+) terminal to the ‘hot’ conductor.

2. Connect from the black (COM) terminal to earth ground. For

convenience, use the supplied ground rod if testing outdoors.

3. Refer to Figure 2 in the Application Illustrations section for

examples.

TWO-POLE APPLICATIONS

Locating and Matching Connected Points in a Circuit (120 V)

1. Connect the supplied AC Socket Adaptor to the Transmitter and

plug the AC connector into an AC receptacle.

2. The Transmitter can now measure the voltage of the mains and

transmit the signal through the mains.

3. The Receiver can then trace the mains and determine if a re-

ceptacle is connected on the same line, if another receptacle or

breaker is connected on the same circuit.

#NAS100049; r. AA/70188/70188; en-US 8

4. Refer to Figure 3 in the Application Illustrations section for

examples.

Broken Line Detection

1. Method 1: Connect both terminals of the Transmitter, one to

each wire, at one end of the line. At the other end of the line,

connect the wires together.

2. Method 2: Connect both terminals of the Transmitter to each

end of a single wire in the line.

3. The Receiver can now determine the position of the broken wire

in the signal line in the wall or floor.

4. Refer to Figure 4 in the Application Illustrations section for

examples.

NON-CONTACT AC VOLTAGE DETECTION

1. The circuit under test must be live and connected to the mains.

2. Set the Receiver to the UAC mode.

3. Hold the tip of the Receiver close to the source of AC voltage.

4. The mains AC voltage detected by the Receiver in the UAC

mode only indicates whether or not the circuit is live.

5. While searching for the ends of the supply lines, the lines must

be connected separately, one by one.

6. The number of bars on the bar graph and the audible tone’s

pitch increases as the strength of the detected signal increases.

The closer the sensor is to the source of voltage, the stronger

the signal detection.

7. Refer to Figure 5 in the Application Illustrations section for

examples.

EARTH GROUND ROD (SPIKE) USE

1. In applications that require an outdoor earth ground connection,

use the supplied ground rod (spike) for convenience.

2. Refer to Figure 6 in the Application Illustrations section.

3. Carefully drive the supplied rod into the ground at the test area.

4. Connect the test leads and set up tests as shown in the applica-

tion instructions provided in the accompanying sections.

ADDITIONAL APPLICATIONS

Download the User Manual (https://suppport.flir.com) to learn about

additional applications including Tracing Underground Circuits and

Detecting Faults in Floor Heating Systems.

#NAS100049; r. AA/70188/70188; en-US 9

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