Amprobe AT-7000 User Manual [en, fr, es]

AT-7000
Advanced Wire Tracers
AT-7020 AT-7030
User Manual
AT-7000 Advanced Wire Tracer
AT-7020 AT-7030
English
9/2014, Rev A ©2014 Amprobe Test Tools. All rights reserved.
Limited Warranty and Limitation of Liability
Your Amprobe product will be free from defects in material and workmanship for 1 year from the date of purchase. This warranty does not cover fuses, disposable batteries or damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling. Resellers are not authorized to extend any other warranty on Amprobe’s behalf. To obtain service during the warranty period, return the product with proof of purchase to an authorized Amprobe Test Tools Service Center or to an Amprobe dealer or distributor. See Repair Section for details. THIS WARRANTY IS YOUR ONLY REMEDY. ALL OTHER WARRANTIES
- WHETHER EXPRESS, IMPLIED OR STAUTORY - INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY, ARE HEREBY DISCLAIMED. MANUFACTURER SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since some states or countries do not allow the exclusion or limitation of an implied warranty or of incidental or consequential damages, this limitation of liability may not apply to you.
Repair
All Amprobe tools returned for warranty or non-warranty repair or for calibration should be accompanied by the following: your name, company’s name, address, telephone number, and proof of purchase. Additionally, please include a brief description of the problem or the service requested and include the test leads with the meter. Non-warranty repair or replacement charges should be remitted in the form of a check, a money order, credit card with expiration date, or a purchase order made payable to Amprobe.
In-warranty Repairs and Replacement – All Countries
Please read the warranty statement and check your battery before requesting repair. During the warranty period, any defective test tool can be returned to your Amprobe distributor for an exchange for the same or like product. Please check the “Where to Buy” section on www.Amprobe.com for a list of distributors near you. Additionally, in the United States and Canada, in-warranty repair and replacement units can also be sent to an Amprobe Service Center (see address below).
Non-warranty Repairs and Replacement – United States and Canada
Non-warranty repairs in the United States and Canada should be sent to an Amprobe Service Center. Call Amprobe or inquire at your point of purchase for current repair and replacement rates.
USA: Canada: Amprobe Amprobe Everett, WA 98203 Mississauga, ON L4Z 1X9 Tel: 888-993-5853 Tel: 905-890-7600 Fax: 425-446-6390 Fax: 905-890-6866
Non-warranty Repairs and Replacement – Europe
European non-warranty units can be replaced by your Amprobe distributor for a nominal charge. Please check the “Where to Buy” section on www.Amprobe.eu for a list of distributors near you.
Amprobe Europe* Beha-Amprobe In den Engematten 14 79286 Glottertal, Germany Tel.: +49 (0) 7684 8009 - 0 www.Amprobe.eu *(Correspondence only – no repair or replacement available from this address. European customers please contact your distributor.)
AT-7000 Series
CONTENTS
1. PRECAUTIONS AND SAFETY MEASURES ............................................................. 2
2. KIT COMPONENTS ................................................................................................. 5
2.1 AT-7000-R Receiver ........................................................................................................6
2.2 AT-7000-T Transmitter ...................................................................................................8
2.3 TL-7000 Test Lead & Accessory Kit ................................................................................9
2.4 SC-7000 Signal Clamp (AT-7030 Kit) ............................................................................10
2.5 BR-7000-T Signal Booster Rechargeable Battery Pack (AT-7030 Kit) ......................... 10
3. MAIN APPLICATIONS ............................................................................................ 11
3.1 Tracing Energized Wires
• SMART SENSOR ..........................................................................................................12
• TIP SENSOR Energized ................................................................................................14
3.2 Tracing De-Energized Wires
• TIP SENSOR De-Energized ..........................................................................................16
3.3 Identifying Breakers and Fuses
• BREAKER Energized (Energized Circuits) ..................................................................18
• BREAKER De-Energized (De-Energized Circuits) ......................................................20
3.4 Non-Contact Voltage Mode (NCV) ...............................................................................21
4. SPECIAL APPLICATIONS ........................................................................................ 22
4.1 GFCI-Protected Circuit Wire Tracing .............................................................................22
4.2 Finding Breaks/Opens ...................................................................................................22
4.3 Finding Shorts ...............................................................................................................23
4.4 Tracing Wires in Metal Conduit ...................................................................................24
4.5 Tracing Non-Metallic Pipes and Conduits ....................................................................24
4.6 Tracing Shielded Wires ..................................................................................................24
4.7 Tracing Underground Wires ..........................................................................................25
4.8 Tracing Low Voltage Wires and Data Cables ............................................................... 25
4.9 Sorting Bundled Wires ..................................................................................................25
4.10 No Access to Bare Conductors (Signal Clamp) ...........................................................26
4.11 Locating Loads (Signal Clamp) ....................................................................................27
5. MAINTENANCE - BATTERY AND FUSE REPLACEMENT ........................................ 28
6. SPECIFICATIONS ..................................................................................................... 31
1
1. PRECAUTIONS AND SAFETY MEASURES
General
For your own safety and to avoid damage to the instrument we suggest you to follow the procedures listed below:
NOTE: Before and during measurements be diligent to follow the instructions.
• Make sure that the electrical instrument is operating properly before use.
• Before attaching any of the conductors, make sure that the voltage present in the
conductor is in the range of the instrument.
• Keep the instruments in their carrying case when not in use.
• If the transmitter or receiver will not be used for a long time, remove the batteries to
prevent leakage in the instruments.
• Use Amprobe approved cables and accessories only.
Safety precautions
• In many instances, you will be working with dangerous level of voltage and/or current, therefore, it is important that you avoid direct contact with any uninsulated, current carrying surfaces. Wear appropriate insulated gloves and protective clothing in hazardous voltage areas
• Do not measure voltage or current in wet or dusty places
• Do not measure in presence of gas, explosive materials or combustibles
• Do not touch the circuit under test if no measurement is being taken
• Do not touch exposed metal parts, unused terminals, circuits and so on
• Do not use the instrument if it seems to be malfunctioning (i.e. if you notice
deformations, breaks, leakage of substances, and absence of messages on the display and so on.)
Safety information
The product complies with:
• UL/IEC/EN 61010-1, CAN/CSA C22.2 No. 61010-1, Pollution Degree 2, Measurement category IV 600 V
• IEC/EN 61010-2-033
• IEC/EN 61010-2-032
• IEC/EN 61010-031 (test leads)
• EMC IEC/EN 61326-1
Measurement Category IV (CAT IV) is for circuits that are directly connected to the primary utility power source for a given building or between the building power supply and the main distribution board. Such equipment may include electricity tariff meters and primary over current protection devices.
CENELEC Directives
The instruments conform to CENELEC Low-voltage directive 2006/95/EC and Electromagnetic compatibility directive 2004/108/EC.
2
1. PRECAUTIONS AND SAFETY MEASURES
�Warnings: Read Before Using
To avoid possible electric shock or personal injury:
• Use the Meter only as specified in this manual or the protection provided by the instrument might be impaired.
• Avoid working alone so assistance can be rendered.
• Never measure ac current while the test leads are inserted into the input jacks.
• Do not use the Meter in wet or dirty environments.
• Do not use the Meter if it appears damaged. Inspect the Meter before use. Look
for cracks or missing plastic. Pay particular attention to the insulation around the connectors.
• Inspect the test leads before use. Do not use them if insulation is damaged or metal is exposed.
• Check the test leads for continuity. Replace damaged test leads before using the Meter.
• Have the Meter serviced only by qualified service personnel.
• Use extreme caution when working around bare conductors or bus bars. Contact with
the conductor could result in electric shock.
• Do not hold the Meter anywhere beyond the tactile barrier.
• Do not apply more than the rated voltage, as marked on the Meter, between the
terminals or between any terminal and earth ground.
• Remove test leads from the Meter before opening the Meter case or battery cover.
• Never operate the Meter with the battery cover removed or the case open.
• Never remove the battery cover or open the case of the Meter without first removing
the test leads from a live conductor.
• Use caution when working with voltages above 30 V ac rms, 42 V ac peak, or 60 V dc. These voltages pose a shock hazard.
• Do not attempt to measure any voltage that might exceed the maximum range of the Meter.
• Use the proper terminals, function, and range for your measurements.
• Do not operate the Meter around explosive gas, vapor, or dust.
• When using probes, keep fingers behind the finger guards.
• When making electrical connections, connect the common test lead before
connecting the live test lead; when disconnecting, disconnect the live test lead before disconnecting the common test lead.
• To avoid false readings that can lead to electrical shock and injury, replace the battery as soon as the low battery indicator appears. Check Meter operation on a known source before and after use.
• When servicing, use only specified replacement parts.
• Adhere to local and national safety codes. Individual protective equipment must
be used to prevent shock and arc blast injury where hazardous live conductors are exposed.
• Only use the test lead provided with the Meter or UL Listed Probe Assembly rated CAT IV 600V or better.
3
1. PRECAUTIONS AND SAFETY MEASURES
Symbols used in this product
Battery status – Displays the remaining battery charge
Home – Return to home screen when selected
Help – Enters to the help mode when selected
Settings – Enters to the settings menu when selected
Volume– Displays the volume in four levels
Sensitivity indicator – Displays the sensitivity level from 1 to 10.
Icon indicating energized system
Icon indicating de-energized system
99
Signal strength indicator – Shows the strength of the signal from 0 to 99
SIGNAL
MAN/AUTO
Shows whether the sensitivity adjustment is in Manual or Automatic mode
Indicates the volume is muted.
Lock indicates if the Auto sensitivity lock is active (Only in Auto sensitivity mode)
Application and removal from hazardous live conductors permitted
 �
T
J
CAT IV
B F
)
P
=
Caution! Risk of electric shock.
Caution! Refer to the explanation in this Manual.
The equipment is protected by double insulation or reinforced insulation.
Earth (Ground).
Overvoltage up to Category IV 600V (transient protection up to 8kV)
Alternating Current (AC).
Direct Current (DC).
Conforms to relevant North American Safety Standards.
Complies with European Directives.
Conforms to relevant Australian standards.
Do not dispose of this product as unsorted municipal waste. Contact a qualified recycler.
4
1. PRECAUTIONS AND SAFETY MEASURES
This manual contains information and warnings that must be followed for operating the tester safely and maintaining the tester in a safe operating condition. If the tester is used in a manner not specified by the manufacturer, the protection provided by the tester may be impaired. This tester meets water and dust protection IP40 per IEC60529 Ed 2.1 (2001). Do not use in rainfall! The tester is double insulated for protection per EN61010-1:2010 3rd Ed to CAT IV 600V.
CAUTION: Do not connect the Transmitter to a separate ground in Electrically Susceptible Patient areas of a health care facility. Make the ground connection first and disconnect it last.
2. KIT COMPONENTS
Your shipping box should include:
AT-7020 KIT AT-7030 KIT
AT-7000-R RECEIVER 1 1
AT-7000-T TRANSMITTER 1 1
TL-7000 TEST LEAD AND ACCESSORY KIT 1 1
CC-7000 HARD CARRYING CASE 1 1
USER MANUAL 1 1
BR-7000-T LI-ION RECHARGEABLE BATTERY - 1
BR-7000-R WITH 4AA RECHARGEABLE BATTERIES
SC-7000 SIGNAL CLAMP - 1
HS-1 MAGNETIC HANGER - 1
1.5 V AA (IEC R6) BATTERY 10 -
- 1
5
2. KIT COMPONENTS
2.1 AT-7000-R Receiver
The AT-7000-R Receiver detects the signal generated by the AT-7000-T transmitter along wires using either the TIP SENSOR or SMART SENSOR and displays this information on the full color TFT LCD display.
Active tracing using a signal generated by the AT-7000-T Transmitter
The SMART SENSOR works with a 6 kHz signal generated along energized wires (above 30V AC/DC) and provides an indication of the wire position and direction relative to the receiver. The SMART SENSOR is not designed to work on de-energized systems; for that application the TIP SENSOR should be used in de-energized mode.
The TIP SENSOR may be used on either energized or de-energized wires and can be used for general tracing, tracing in tight spaces, locating breakers, pinpointing wires in bundles or in junction boxes. The TIP SENSOR mode will pinpoint the wire location with both an audible and visual indication of detected signal strength, but unlike SMART SENSOR mode it will not provide wire direction or orientation.
Note: The receiver will NOT detect signals from the wire through metal conduit or shielded cable. Refer to Special Applications, section 4.4 “Tracing Wires In Metal Conduit” for alternative tracing methods.
TIP SENSOR
SMART SENSOR
(Back side)
LCD DISPLAY
Full color TFT display
NCV BUTTON
Non-Contact
Voltage mode
4-WAY
NAVIGATION KEYS
RUBBER OVER
MOLDED ENCLOSURE
SENSITIVITY ADJUSTMENT BUTTON (-/+)
ENTER BUTTON
Selects the functions
POWER BUTTON
Turns unit On / Off
BATTERY COMPARTMENT
(Back side)
HOT STICK ATTACHMENT POINT
Figure 1: Overview of AT-7000-R Receiver
6
2. KIT COMPONENTS
Main applications
ENERGIZED:
DE-ENERGIZED:
Help guide
Setting menu
Buzzer volume adjustment
Home menu
Language English, French, German, Spanish, Italian Backlight 25%, 50%, 75%, 100% Setting
Help Guidance
Sensitivity*
Smart Sensor Range
Breaker Voltage
*Note: The Auto and Manual sensitivity mode can be easily changed by pressing the + and – key at the same time when the receiver is in a tracing mode. When sensitivity mode is set to “Auto” manual adjustment is disabled.
Figure 1a: Overview of all elements on home screen
Figure 1b: Overview of all elements on the setting menu
DEFAULT ON
OFF : Device will start without guidance MAN
AUTO : Auto sensitivity adjustment SHORT
LONG : For wire detection between 3 and 20 feet 110V
220V
: Restore default settings
: Device will guide you through each mode
: Manual sensitivity adjustment (+) and (-) keys
: For wire detection up to 3 feet
: For 110V to 120V systems : For 220V to 240V systems
--
Sensitivity adjustment
7
2. KIT COMPONENTS
2.2 AT-7000-T Transmitter
The AT-7000-T Transmitter works on energized and de-energized circuits up to 600V AC/DC in Category I-IV electrical environments. The transmitter will measure the line voltage and display it on the transmitter’s color TFT LCD display screen. Based on detected voltage it will automatically switch to either energized mode (30 to 600V AC/DC) or de-energized mode (0 to 30V AC/DC). The energized mode uses a lower transmission frequency (6kHz) than de-energized mode (33 kHz) to reduce signal coupling with nearby metallic objects and improve results. If the circuit is energized the red LED in the upper left corner of the AT-7000-T transmitter will light.
IMPORTANT! Note that the red LED light will turn on when connected to an energized circuit. Select the correct energized or de-energized mode on the AT-7000-R receiver when choosing your tracing mode.
Energized mode: In energized mode the transmitter draws very low current from the
energized circuit and generates a 6.25 kHz signal. This is very important feature of the AT-7000-T, since drawing current does not inject any signal that would harm sensitive equipment connected to the circuit. The signal is also generated in a direct path between the transmitter and the power source, thus NOT placing a signal onto any branches enabling wiring tracing directly back to the breaker panel. Please note that due to this feature, the transmitter has to be connected on the load side of the circuit.
De-energized mode: In de-energized mode the transmitter injects a 32.8 kHz signal onto the circuit. In this mode, since the signal is injected, it will travel through all the circuit branches. It is a high frequency, very low energy signal that will not harm any sensitive equipment
TEST LEADS CONNECTION JACKS
RED LED VOLTAGE INDICATOR
Indicates the transmitter mode
1. Red: Energized circuit mode
2. Amber: Overload
3. OFF: De-energized circuit mode
COLOR TFT LCD DISPLAY
LOW/PRECISION MODE
For precision applications
ON / OFF BUTTON
RUBBER OVERMOLDED
ENCLOSURE
Figure 2: Overview of AT-7000-T Transmitter
HIGH/NORMAL MODE
Used for most applications
BATTERY COMPARTMENT
(Back side)
8
2. KIT COMPONENTS
Power Mode
Transmission Frequency & Amplitude
Detected Voltage
Figure 2a: Overview of AT-7000-T Transmitter LCD Screen
Transmission Frequency
2.3 TL-7000 Test Lead & Accessory Kit
All AT-7000 kits come with our complete test leads & accessory kit. The kit supports a wide range of standard and specialty applications and contains test leads and adaptors as outlined below:
TL-7000 US power cord with banana plugs 1 Test lead (red). 6.4 ft. (1.9m) 1 Test lead (green), 25 ft. (7.7 m) 1 Alligator clip set (red, black) 1 Plug adaptor – flat pin (red) 1 Plug adaptor – round pin (black) 1 Light socket adaptor 1
9
2. KIT COMPONENTS
2.4 SC-7000 Signal Clamp
(included with AT-7030, option for AT-7020)
The clamp accessory is used for applications when there is no access to the bare conductors. The clamp attachment enables the AT-7000-T Transmitter to induce a signal through the insulation into either energized or de-energized wires. The signal will travel through the wire in both directions and into all the branches. This transmission method will not damage any sensitive electronic equipment connected to the circuit.
JAW
HAND GUARD
JAW TRIGGER
INPUT LEADS WITH
BANANA PLUG
2.5 BR-7000-T Signal Booster Rechargeable Battery Pack
(included with AT-7030, option for AT-7020)
The BR-7000-T Signal Booster Rechargeable Battery Pack provides increased power to the AT-7000-T Transmitter, enabling improved wire tracing results in energized, de­energized and clamp modes. This 7.2V, 2.2 Ah Lithium-Ion (Li-Ion) battery pack automatically begins recharging when the transmitter is connected to circuits between 90V - 270V. The outside of the battery features a LED status indicator that shows the remaining battery charge with the push of a button.
10
3. MAIN APPLICATIONS
• �IMPORTANT NOTICE, PLEASE READ BEFORE YOU START TRACING
Avoiding signal cancellation problems with a separate ground connection
The signal generated by the transmitter creates an electromagnetic field around the wire. This field is what is detectable by the receiver. The clearer this signal, the easier it is to trace
the wire. If transmitter is connected to two adjacent wires on the same circuit (for example, hot and
neutral wires on a Romax cable), the signal travels in one directions through the first wire and then returns (with opposite direction) through the second one. This causes creation of two electromagnetic fields around each wire with opposite direction. These opposing fields will partially or completely cancel each other out, making wire tracing difficult if not impossible.
AT-7000-R
Not recommended. This wire connection causes signal cancellation
AT-7000-TFigure 3a
To avoid the cancellation effect, a separate ground connection method should be used. The red test lead of the transmitter should be connected to the hot wire of the circuit you wish to trace, and the green lead to a separate ground, such as water pipe, ground stake, metal grounded structure of the building, or outlet ground connection of an outlet on a different circuit. It is important to understand that an acceptable separate ground is NOT the grounding terminal of any receptacle on the same circuit as the wire you wish to trace. If hot wire is energized and the transmitter is properly connected to a separate ground, the red LED on a transmitter will light up. The separate ground connection create the maximum signal strength, because the electromagnetic field created around the hot wire is not being cancelled by a signal on the return path flowing along an adjacent wire
(hot or neutral) in the opposite direction, but rather through the separate ground circuit.
To Transformer
Figure 3b
11
AT-7000-R
Avoiding signal
cancellation effect
AT-7000-T
3. MAIN APPLICATIONS - SMART SENSOR (Energized)
3.1 Tracing Energized Wires
SMART SENSOR
The SMART SENSOR enables easier wire tracing by showing the direction and position of the wire and is the recommended method for tracing energized wires (does not work on de-energized circuits, use de-energized TIP SENSOR for that application).
SMART SENSOR
Connecting transmitter test leads
1. Connect green and red test leads to the transmitter (polarity does not matter)
2. . Connect red lead to energized hot wire (on the load side of the system). The signal will ONLY be transmitted between the outlet to which the transmitter is connected and the source of power (see Figure 3a).
3. Connect green wire to a separate ground (metal building structure, metal water pipe, or ground wire on a separate circuit).
*Note: Please note that if working with GFCI protected circuits, this method will trip the GFCI protection. Refer to Special Applications, section 4.1 “GFCI-Protected Circuit Wire Tracing” for alternative tracing methods.
Set up the AT-7000-T Transmitter:
1. Press ON/OFF key to turn on the transmitter.
2. Verify that the test leads are properly connected - the red LED voltage status should indicator should be on, indicating that the circuit is energized. If not, make sure that
• the circuit is energized
• the separate ground green wire is
properly grounded. If the ground wire is not properly grounded the red LED will not light, even when connected to an energized circuit.
3. Select HIGH signal mode for most applications. Screen will appear as shown in Figure 3.1b.
Note: The LOW signal precision mode can be used to limit the signal level generated by the transmitter in order to more precisely pinpoint wire location. A lower signal level reduces coupling to neighboring wires and metal objects and helps to avoid misreading due to ghost signals. A lower signal also helps to prevent oversaturating the receiver with a strong signal that covers a large area. The LOW mode function is rarely used, only for most demanding precise wire tracing applications.
Figure 3.1a
Proper connection with separate ground
Figure 3.1b
Transmitter screen showing signal in HIGH mode with 6kHz frequency for energized circuit
12
3. MAIN APPLICATIONS - SMART SENSOR (Energized)
Using AT-7000-R Receiver
1. Press ‘ON/OFF’ push button to turn on the receiver and wait for the home screen (boot up time is around 30 seconds).
2. Select SMART SENSOR mode by using the directional arrows to highlight this operating mode and pressing the yellow ENTER button.
3. Hold the receiver with the Smart Sensor on the rear of the unit facing the target area. If the screen flashes a “?” in a red target then no signal is detected. Move the Smart Sensor closer to the target area until the signal is detected and you see a directional arrow. If no signal is detected increase the sensitivity using the “+” button on the receiver. (see Figure 3.1c)*
4. Move the Receiver in direction indicated by the arrow on the screen (see Figure 3.1d)
5. Green target symbol indicates that the Receiver is directly over the wire. If Receiver will not lock on the wire, decrease sensitivity using the “-“ on the keypad or set the transmitter to transmit at LOW level (Precision). (see Figure 3.1e)
6. Press ENTER when complete to return to Home screen.
*Note: For best results, keep the receiver at least 3 feet from the transmitter and its test leads to minimize signal interference and improve wire tracing results. Select the “Long” Smart Sensor Range in the Settings Menu if working with wires that are greater than 3 feet deep.
SMART SENSOR
Figure 3.1c
No signal detected
Figure 3.1e
Receiver locked on wire
Figure 3.1d
Wire on the left
13
3. MAIN APPLICATIONS - TIP SENSOR (Energized)
3.1 Tracing Energized Wires
TIP SENSOR
TIP SENSOR mode is used for the following
applications: pinpointing a wire in a bundle, tracing in corners and confined spaces such as junction boxes or inside enclosures.
Connecting transmitter test leads
1. Connect green and red test leads to the transmitter (polarity does not matter)
2. Connect red lead to energized hot wire (on the load side of the system). The signal will ONLY be transmitted between the outlet to which the transmitter is connected and the source of power (see Figure 3b).
TIP SENSOR
3. Connect green wire to a separate ground (metal building structure, metal water pipe, or ground wire on a separate circuit).
*Note: Please note that if working with GFCI protected circuits, this method will trip the GFCI protection. Refer to Special Applications, section 4.1 “GFCI-Protected Circuit Wire Tracing” for alternative tracing methods.
Set up the AT-7000-T Transmitter:
1. Press ON/OFF key to turn on the transmitter.
2. Verify that the test leads are properly connected - the red LED voltage status should indicator should be on, indicating that the circuit is energized. If not, make sure that
•the circuit is energized
•the separate ground green wire is properly grounded. If the ground wire is not
properly grounded the red LED will not light, even when connected to an energized circuit.
3. Select HIGH signal mode for most applications. Screen will appear as shown in Figure
3.1b.
Note: The LOW signal precision mode can be used to limit the signal level generated by the transmitter in order to more precisely pinpoint wire location. A lower signal level reduces coupling to neighboring wires and metal objects and helps to avoid misreading due to ghost signals. A lower signal also helps to prevent oversaturating the receiver with a strong signal that covers a large area. The LOW mode function is rarely used, only for most demanding precise wire tracing applications.
Figure 3.1f
Proper connection with separate ground
14
3. MAIN APPLICATIONS - TIP SENSOR (Energized)
Using AT-7000-R Receiver
1. Press ‘ON/OFF’ push button to turn on the receiver and wait for the home screen (boot up time is around 30 seconds).
2. Select Energized TIP SENSOR mode by using the directional arrows to highlight this operating mode and pressing the yellow “ENTER” button. Screen as shown in 3.1i will appear.
3. Hold the receiver with the Tip Sensor facing the target area.
4. Scan target area with Tip Sensor to find highest signal level. While tracing, periodically adjust sensitivity to keep signal strength near 75. Increase or decrease sensitivity by pressing + or – on the keypad. If signal is too strong for precise locating, change transmitter to LOW mode.
5. Receiver Positioning: For best results, align groove on tip sensor with wire direction as shown. Signal may be lost if not properly aligned. (see Figure 3.1g)
6. To verify wire direction, periodically rotate receiver 90 degrees. Signal strength will be highest when wire is aligned with Tip Sensor groove. (see Figure 3.1h)
7. Press ENTER when complete to return to Home screen.
Note: For best results, keep the receiver at least 3 feet from the transmitter and its test leads to minimize signal interference and improve wire tracing results.
TIP SENSOR
Figure 3.1g
TIP SENSOR DE-ENERGIZED
0-30V AC/DC
-
-
Figure 3.1h
75
SIGNAL
Figure 3.1i Receiver showing signal detected in Energized TIP SENSOR mode
15
3. MAIN APPLICATIONS - TIP SENSOR (De-Energized)
3.2 Tracing De-energized Wires
TIP SENSOR
De-energized TIP SENSOR mode is used for general wire tracing, pinpointing wires in bundles, tracing in tight corners and confined spaces such as junction boxes or inside enclosures.
Connecting transmitter test leads
1. Connect green and red test leads to the transmitter (polarity does not matter)
2. Connect red lead to de-energized hot wire (on the load side of the system). In de-energized mode the signal will be injected to ALL branches of the circuit, not just between the outlet and the breaker as in energized modes.
3. Connect green wire to a separate ground (metal building structure, metal water pipe, or ground wire on a separate circuit).
Set up the AT-7000-T Transmitter:
1. Press ON/OFF key to turn on the transmitter.
TIP SENSOR
2. The red LED voltage status should indicator should be off, indicating that the circuit is de-energized. If LED is on, disconnect power to the circuit.
3. Select HIGH signal mode for most applications. Screen will appear as shown in Figure
3.2b
Note: The LOW signal precision mode can be used to limit the signal level generated by the transmitter in order to more precisely pinpoint wire location. A lower signal level reduces coupling to neighboring wires and metal objects and helps to avoid misreading due to ghost signals. A lower signal also helps to prevent oversaturating the receiver with a strong signal that covers a large area. The LOW mode function is rarely used, only for most demanding precise wire tracing applications.
Figure 3.2a
Proper connection with separate ground
HIGH
0V DC
33 KHZ
Figure 3.2b
16
-
-
3. MAIN APPLICATIONS - TIP SENSOR (De-Energized)
Using AT-7000-R Receiver
1. Press ‘ON/OFF’ push button to turn on the receiver and wait for the home screen (boot up time is around 30 seconds).
2. Select De-Energized TIP SENSOR mode by using the directional arrows to highlight this operating mode and pressing the yellow “ENTER” button. Screen will appear as shown in Figure 3.2c
3. Hold the receiver with the Tip Sensor facing the target area.*
4. Scan target area with Tip Sensor to find highest signal level. While tracing, periodically adjust sensitivity to keep signal strength near 75. Increase or decrease sensitivity by pressing + or – on the keypad. If signal is too strong for precise locating, change transmitter to LOW mode.
TIP SENSOR DE-ENERGIZED
75
SIGNAL
0-30V AC/DC
Figure 3.2c
5. Press ENTER when complete to return to Home screen.
TIP SENSOR
*Note: For best results, keep the receiver at least 3 feet from the transmitter and its test leads to minimize signal interference and improve wire tracing results.
De-energized mode uses a different antenna in the Tip Sensor than in energized mode. Specific alignment of the Tip Sensor groove to the wire is not required. De-energized wire tracing results are based only on how close the Tip Sensor is to the wire.
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3. MAIN APPLICATIONS - BREAKERS (Energized)
3.3 Identifying Breakers and Fuses Energized breaker locating
BREAKERS
Connecting transmitter test leads
1. Use test leads with standard plug connection for receptacles and black and red test leads with alligator clips when connecting to wires.
2. Plug test leads into Transmitter. Polarity is not important.
3. Connect plug to outlet, or if using test leads connect them to hot and neutral wires.
Note: For breaker locating, a simplified direct connection to hot and neutral wires can be used because these wires are separated at the breaker panel. There is no risk of signal cancellation effect if wires are at least a few inches (centimeters) away from each other. However the separate ground connection as shown in Energized TIP SENSOR should be used for superior results specifically if wires need to be traced in addition to breaker identification.
The simplified direct connection to hot and neutral wire will NOT trip the GFCI circuit.
Figure 3.3a
Set up the AT-7000-T Transmitter:
1. Press ON/OFF key to turn on the transmitter.
2. Verify that the test leads are properly connected - the red LED voltage status indicator should be on, indicating that the circuit is energized. If not, make sure that
•the circuit is energized
•the test leads are fully plugged into the transmitter
•ground green wire is properly grounded (if using separate ground connection
method). If the ground wire is not properly grounded the red LED will not light, even when connected to an energized circuit.
3. Select HIGH signal mode for breaker tracing.
BREAKERS
Receiver Process Overview
Tracing breakers is a two-step process:
1
SCAN - Scan each breaker for one second. The receiver will record tracing signal levels.
2
LOCATE - The receiver will indicate the single breaker with the strongest recorded signal.
Using AT-7000-R Receiver
1. Press ‘ON/OFF’ push button to turn on the receiver and wait for the home screen (boot up time is around 30 seconds).
2. Select Energized BREAKERS mode by using the directional arrows to highlight this operating mode and pressing the yellow “ENTER” button.
18
3. MAIN APPLICATIONS - BREAKERS (Energized)
1
Step 1 -
1. The unit will automatically start in
2. Scan each breaker for a half second by touching it with the Tip Sensor. Make sure the groove on the Tip Sensor is parallel to the breaker lengthwise (See Figure 3.3d)
3. To assure sufficient time between the scans, wait for active green arrow and audible alert (2-beeps) before moving to the next breaker.
4. Scan all breakers – the order of scanning does not matter. You can scan breakers multiple times. The receiver is recording the highest detected signal.
SCAN:
1
SCAN mode as shown in Figure 3.3b.
2
LOCATE
Figure 3.3b
LOCATE mode – receiver checking breakers
LOCATE mode – receiver identified breaker
SCAN mode – receiver scanning breakers
Step 2 -
1. Select LOCATE mode by using the directional arrows to highlight this operating mode and pressing the yellow “ENTER” button. (See figure 3.3c)
2. Rescan each breaker by touching each with the Tip Sensor for a half second. Active red arrow indicates scanning process (see Figure 3.3c). Make sure the groove on the Tip Sensor is parallel to the breaker lengthwise.(See Figure 3.3d)
3. Rescan all breakers until solid green arrow and audible alert (continuous beep) indicates that the correct breaker was found. (See figure 3.3e)
4. Press ENTER when complete to return to Home screen.
Usage Tip: The accuracy of breaker identification results can be verified by switching the receiver to Energized TIP SENSOR mode and checking that that the signal level of the breaker identified by the receiver is the highest among all breakers.
Figure 3.3c
Figure 3.3d
Figure 3.3e
BREAKERS
19
3. MAIN APPLICATIONS - BREAKERS (De-Energized)
3.3 Identifying De-Energized Breakers and Fuses De-Energized breaker locating
BREAKERS
Connecting transmitter test leads
1. Use test leads with standard plug connection for receptacles and black and red test leads with alligator clips when connecting to wires.
2. Plug test leads into Transmitter. Polarity is not important.
3. Connect plug to outlet, or if using test leads connect them to hot and neutral wires.*
* The separate ground connection as shown in De-Energized TIP SENSOR should be used for superior results specifically if wires need to be traced in addition to breaker identification.
Set up the AT-7000-T Transmitter:
1. Press ON/OFF key to turn on the transmitter.
2. The red LED voltage status should indicator should be off, indicating that the circuit is de-energized. If LED is on, disconnect power to the circuit.
3. Select HIGH signal mode for breaker tracing.
Figure 3.3f
Receiver Process Overview
Tracing breakers is a two-step process:
1
SCAN - Scan each breaker for one second. The receiver will record tracing signal levels.
2
LOCATE - The receiver will indicate the single breaker with the strongest recorded signal.
Using AT-7000-R Receiver
1. Press ‘ON/OFF’ push button to turn on the receiver and wait for the home screen (boot up time is around 30 seconds).
2. Select De-Energized BREAKERS mode by using the directional arrows to highlight this operating mode and pressing the yellow “ENTER” button.
3. Step 1 ­a) Select SCAN mode by using the directional arrows to highlight this operating mode
BREAKERS
b) Scan each breaker for a half second by touching it with the Tip Sensor. Make sure the
c) To assure sufficient time between the scans, wait for active green arrow and audible
d) Scan all breakers – the order of scanning does not matter. You can scan breakers
1
SCAN
and pressing the yellow “ENTER” button.
groove on the Tip Sensor is parallel to the breaker lengthwise
alert (2-beeps) before moving to the next breaker.
multiple times. The receiver is recording the highest detected signal.
20
3. MAIN APPLICATIONS - BREAKERS (De-Energized)
2
4. Step 2 -
a) Select LOCATE mode by using the directional arrows to highlight this operating mode
and pressing the yellow “ENTER” button.
b) Scan each breaker again for a half second each by touching it with the Tip Sensor.
Active red arrow indicates scanning process. Make sure the groove on the Tip Sensor is parallel to the breaker lengthwise.
c) Rescan all breakers until solid green arrow and audible alert (continuous beep)
indicates that the correct breaker was found.
d) Press ENTER when complete to return to Home screen.
Usage Tip: The accuracy of breaker location can be verified by switching the receiver to De-Energized TIP SENSOR mode, and checking that that the signal level of the breaker identified by the receiver is the highest among all breakers.
3.4 NCV Mode
The NCV (Non-Contact Voltage) mode is used to verify that the wire is energized. This method does not require the use of the transmitter. The receiver will detect an energized cable if the voltage is between 90V and 600V AC and between 40 and 400Hz. No current flow is necessary.
Note: For safety, before working with wires, always verify that they are de-energized with an additional tester.
NCV mode operation:
1. Press ‘ON/OFF’ push button to turn on the receiver and wait for the home screen (boot up time is around 30 seconds).
2. Press ‘NCV’ push button to select the Non-Contact Voltage mode.
3. Hold the receiver with the Tip Sensor against the wire.
4. For precise pinpointing of hot wire versus neutral wire, increase or decrease sensitivity by pressing + or – on the keypad.
5. Press ENTER when complete to return to Home screen.
LOCATE
Voltage detection in NCV mode using Tip Sensor
21
NCV MODE
4. SPECIAL APPLICATIONS
4.1 GFCI-Protected Circuit Wire Tracing
Connecting AT-7000-T transmitter to GFCI protected circuits. Connecting a transmitter to an energized GFCI protected circuit using separate ground
method will trip the GFCI protection. Use following methods to work with GFCI protected circuits (for de-energized GFCI-protected outlet that is not tripped, you can connect test leads directly to the outlet contacts using de-energized TIP SENSOR mode)
Method 1 – Bypass the GFCI circuitry to avoid tripping GFCI:
(for energized GFCI-protected outlets only)
• Remove the protective receptacle wall plate
• Using the alligator clip attach a red test lead to the screw connecting the energized hot
wire to the receptacle
• Connect green test lead using separate ground method as described in Energized TIP SENSOR mode
• Perform tracing as described in one of the Energized modes: SMART SENSOR, TIP SENSOR or BREAKER.
Method 2 – Do NOT use separate ground to avoid tripping GFCI: (for GFCI-protected outlets and breakers)
• Connect transmitter test leads to Neutral and Hot wires.
• Perform tracing as described in one of the Energized modes: SMART SENSOR, TIP
SENSOR or BREAKER.
Note: This type of connection causes signal coupling and reduces signal strength. If the signal is too weak or untraceable, use Method 3.
Method 3 - De-energize the circuit: (for GFCI-protected breakers)
• De-energize the circuit
• Connect a transmitter directly to the wire as described in De-Energized TIP SENSOR
mode
• Perform tracing as described in the desired De-Energized mode (TIP SENSOR for wire tracing or BREAKER for breaker identification).
4.2 Finding Breaks/Opens
It is possible to pinpoint the exact location where the wire is broken using the de-energized TIP SENSOR mode, even if wire is located behind walls, floors or ceilings:
1. Make sure that wire is de-energized.
2. Use steps described in the De-Energized TIP SENSOR mode to connect the transmitter and perform tracing. (see section 3.2)
The tracing signal generated by the AT-7000-T transmitter will be conducted along the wire as long as there is continuity in the metal conductor. To find the place of fault, trace the wire until the signal stops. To verify the place of the fault, move transmitter to the other end of the wire and repeat tracing from the opposite end. If signal stops at the exact same location you have found the place of the break.
Note: If the place of fault is not found, the open may be a high resistance break (partially open circuit). Such a break would stop higher currents from flowing but will conduct the tracing signal through the break. Such faults will not be detected until the wire is completely open.
22
4. SPECIAL APPLICATIONS
Trace the wire by moving receiver back and forth at 1ft/sec
4.3 Finding Shorts
Shorted wires will cause a breaker to trip. Disconnect the wires, and make sure the ends of the wires on both sides of the cable are isolated from each other and other wires or loads.
Interconnect ten (10) 9V batteries in series, by connecting negative “-“contact of one battery to the positive “+” on the other one. The 10 batteries will create safe 90V DC power source.
Connect the circuit as shown in the illustration below.
AT-7000-T
Setup the receiver to Energized TIP SENSOR mode. Start tracing the cable until you find the location where the signal stops. To verify the place of the fault, move the transmitter to the other end of the wire and repeat tracing from the opposite end. If the signal stops at the exact same location you have found the place of break.
Note: This method will be affected by signal cancellation effect. Expect a very weak signal.
23
4. SPECIAL APPLICATIONS
4.4 Tracing Wires in Metal Conduit
The AT-7000-R receiver will not be able to pick up the signal from the wire through the metal conduit. The metal conduit will completely shield the tracing signal.
Note: The receiver will be able to detect wires in non-metallic conduit. For these applications follow general tracing guidelines.
In order to trace wires in conduit:
1. Use either energized or de-energized TIP SENSOR mode (refer to section 3.1 or 3.2 as appropriate)
2. Open junction boxes and use the receiver TIP SENSOR to detect which wire in the junction box is carrying the signal.
3. Move from junction box to junction box to follow the path of the wire.
Note: Applying signal directly to the conduit will send signal through all the conduit branches making tracing of one particular conduit path not possible.
4.5 Tracing Non-Metallic Pipes and Conduits
The AT-7000 can indirectly trace plastic conduits and pipes using the following steps:
1. Insert fish tape or wire inside the conduit.
2. Connect the AT-7000-T transmitter red test lead to the fish tape and the green ground wire to a separate ground (see section 3.2 for further set-up instructions).
3. Set the Receiver to De-energized TIP SENSOR mode to trace the conduit (refer to section 3.2).
4. The receiver will pick up the signal conducted by fish tape or wire through the conduit.
4.6 Tracing Shielded Wires
The AT-7000-R receiver will not be able to pick up the signal from the shielded wire. The shield will completely stop the tracing signal.
In order to trace these types of wires:
1. Connect the AT-7000-T transmitter directly to the shield (connect red test lead to the shield and the green test lead to the separate ground).
2. Set the receiver to the De-Energized TIP SENSOR mode to trace the wire.
3. For best results disconnect the shield from the ground at the point where transmitter is connected, and leave the other end grounded.
AT-7000-T
24
4. SPECIAL APPLICATIONS
4.7 Tracing Underground Wires
The AT-7000 can trace wires underground, the same way it can locate wires behind walls or floors. Perform tracing as described in Energized SMART SENSOR mode or Energized / De-Energized TIP SENSOR modes. You can use a hot sick attachment to make tracing more ergonomic and convenient.
AT-7000-T
Connect the transmitter as shown in the diagram.
4.8 Tracing Low Voltage Wires and Data Cables
The AT-7000 can trace data, audio, and thermostat cables (to trace shielded data cables,
refer to section 4.6 “Tracing Shielded Wires”).
Trace data, audio, and thermostat cables as follows:
1. Connect the AT-7000-T transmitter using the separate ground method described in
section 3.2 “Tracing De-Energized Wires”.
2. Set the AT-7000-R receiver to De-energized TIP SENSOR mode and trace the wire (see
section 3.2 for further detailed set-up instructions).
4.9 Sorting Bundled Wires
Identifying a specific wire in a bundle
Connect the AT-7000-T transmitter using Energized or De-Energized TIP SENSOR mode. If connecting to energized wire, make sure the transmitter is connected on the load side.
Select respectively Energized or De-energized TIP sensor mode on AT-7000-R receiver. As far as it is possible pull one wire at the time way from other wires in the bundle and touch it with the TIP sensor. The strongest signal indicates the proper wire in the bundle.
AT-7000-T
25
4. SPECIAL APPLICATIONS
4.10 No Access to Bare Conductors (Signal Clamp)
The clamp accessory is used for applications where there is no access to the bare conductor to connect transmitter test leads. When clamp is connected to the transmitter, it enables the AT-7000-T to induce signal to energized or de-energized wire through the insulation. The signal will travel through the wire both directions and it will affect all the branches. This method is safe to use for any sensitive electronic equipment.
Connect the clamp
1. Connect the SC-7000 test leads to the terminals of the transmitter (polarity does not matter).
2. Clamp the SC-7000 Signal Clamp around the conductor. To increase the signal strength wind a few turns of conductor wire around the clamp if possible.
Figure 4.10a
Transmitter in CLAMP mode
Set up the AT-7000-T Transmitter:
1. Press ON/OFF key to turn on the transmitter. The red LED voltage status indicator should be OFF when clamp is connected and when working with either energized or de­energized systems.
2. Press HIGH signal mode for 2 seconds to select the clamp mode on the transmitter. The clamp mode generates a boosted 6kHz signal in order to provide superior tracing results. The screen on the Transmitter should appear as in Figure 4.10a.
Using AT-7000-R Receiver
1. Press ‘ON/OFF’ push button to turn on the receiver and wait for the home screen (boot up time is around 30 seconds).
2. Select Energized TIP SENSOR mode by using the directional arrows to highlight this operating mode and pressing the yellow “ENTER” button.
3. Hold the receiver with the Tip Sensor facing the target area.
4. Scan target area with Tip Sensor to find highest signal level. While tracing, periodically adjust sensitivity to keep signal strength near 75. Increase or decrease sensitivity by pressing +or – on the keypad.
5. Receiver Positioning: For best results, align groove on tip sensor with wire direction as shown. Signal may be lost if not properly aligned.
6. To verify wire direction, periodically rotate receiver 90 degrees. Signal strength will be highest when wire is aligned with Tip Sensor groove.
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