Amprobe BT-120 User manual
User Manual
ENG
BT-120, BT-250
Breaker Tracer
Circuit Tracer
Receiver
Circuit Tracer
Transmitter
www. .com information@itm.com1.800.561.8187
BT-120
BT-250
Breaker Tracer
User Manual
8/2018, 6011458B
©2018 Amprobe
All rights reserved. Printed in China
English
www. .com information@itm.com1.800.561.8187
Circuit Tracer
Receiver
Circuit Tracer
Transmitter
BT-120 BT-250 Breaker Tracer
1
2
7
3
4
5
6
1
2
3
Sensor Location
Identification Arrow LED Indicator
Battery Compartment
ON/OFF Switch
Adaptor Prongs
Transmitter Power LED Indicator
Receiver Power LED Indicator
4
6
5
7
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1
BT-120 BT-250 Breaker Tracer
CONTENTS
SYMBOLS AND WARNINGS ..................................................................................2
Safety Information ...........................................................................................2
Warnings and Precautions................................................................................3
UNPACKING AND INSPECTION .............................................................................3
INTRODUCTION .....................................................................................................4
OPERATION ...........................................................................................................4
SPECIFICATION ......................................................................................................5
BATTERY REPLACEMENT.......................................................................................7
MAINTENANCE AND REPAIR ................................................................................7
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2
SYMBOLS
Battery Caution ! Refer to the
Manual
Double Insulated Dangerous Voltage
Alternating Current Earth Ground
Direct Current Fuse
Application around and
removal from hazardous
live conductors is permitted �Complies with European
Directives
=
Do not dispose of this
product as unsorted
municipal waste. Contact
a qualified recycler for
disposal.
Conforms to relevant
Australian standards
Underwriters Laboratories.
[Note: Canadian and US.] Audible tone
Safety Information
• The BT-120 Breakers Tester is conformed to UL 61010-1; CAT II 120 V, class
II and pollution degree 1 or 2.
• The BT-250 Breakers Tester is conformed to UL 61010-1; CAT II 250 V, class
II and pollution degree 1 or 2.
Warning and precaution
• Before and after hazardous voltage measurements, test the voltage
function on a known source such as line voltage to determine proper
meter functioning.
• Do not touch the membrance.
• Inspect the receiver and the transmitter before every use. Do not use any
damaged part.
• Never ground yourself when taking measurements. Do not touch
exposed circuit elements or test probe tips.
• Do not operate the instrument in an explosive atmosphere.
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3
• To reduce the risk of fire or electric shock, do not expose this product to
rain or moisture.
• The meter is intended only for indoor use. To avoid electrical shock
hazard, observe the proper safety precautions when working with
voltages above 60 VDC, 42.4 Vpk, or 30 VAC rms. These voltage levels
pose a potential shock hazard to the user.
UNPACKING AND INSPECTION
Your shipping carton should include:
1Receiver
1Transmitter
19V alkaline battery
1User manual
1Carrying case (BT-250)
1Connection cable (BT-250)
1Light fixture adapter (BT-250)
If any of the items are damaged or missing, return the complete package to
the place of purchase for an exchange.
INTRODUCTION
The Amprobe BT Series Breaker Tracers work on powered systems from 90 to
120 V AC (BT-120) and 90 to 250 V AC (BT-250) and are designed for use in
residential and light commercial environments. Both kits comes complete with
a Transmitter and Receiver.
Features:
• Identifies circuit breaker location
• Works on all electrical systems within the voltage rating range
• Perfect for office, residential and HVAC applications
• Automatic sensitivity adjustment
• Microprocessor controlled
• Extremely accurate reading always finds the right breaker
• Durable and dependable
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4
OPERATION
Breaker and Fuse Identification
1. Plug the Transmitter into an energized wall outlet (Figure 1).
2. Make sure the red LED is ON to indicate that the outlet is energized.
3. Push the Power switch on the Receiver to turn it ON. The Receiver will
beep and the Power LED will be lit.
4. At the breaker panel or fuse box, hold the Receiver perpendicular to the
breakers. Scan slowly all breakers once to calibrate the Receiver. During
this scan, the Receiver may beep and flash at several breakers. This is a
normal part of the identification process (Figure 2).
5. Without touching the ON/OFF button, begin scanning again to identify
the right breaker or fuse. When the Receiver beeps, the correct breaker
has been identified.
6. Push and hold the Power switch for three seconds to turn the Receiver
off. Beeping and flashing during the shutdown is normal.
7. Unplug the Transmitter from the wall outlet.
Circuit Tracer
Transmitter
Figure 1
Figure 2
Circuit Tracer
Receiver
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Using the BT-LFA Incandescent Light Fixture Adapter (BT-250 only)
1. Remove the light bulb exercising the proper caution.
2. Screw in the BT-LFA adapter.
3. Plug the Transmitter into the BT-LFA (Figure 3).
Figure 3
4. Preform scan following directions in step 4 under “Operation.”
Using the BT-VLA High Voltage Leads Adapter (BT-250 only)
The BT-250 Transmitter can be used alone on 110V circuits. For circuits up to
250V or exposed circuits, use the BT-VLA and follow the directions listed below.
1. Plug Transmitter into high voltage lead receptacle. Be sure that the
Transmitter is completely seated and that no part of the Transmitter
prongs are exposed.
2. Attach the high voltage leads to the terminal or conductor while
exercising extreme caution (Figure 4).
3. Preform scan following directions in step 4 under “Operation.”
Figure 4
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SPECIFICATIONS
Operating & Detection BT-120 BT-250
Voltage for Transmitter
90-120 VAC,
Not to exceed ±10%
(inclusive in rating)
90-250 VAC,
Not to exceed ±10%
(inclusive in rating)
Operating Frequency 50 Hz to 60 Hz 40 Hz to 70 Hz
Storage Temperature 32 °F to 104 °F (0 °C to 40 °C)
Operating Temperature 32 °F to 104 °F (0 °C to 40 °C)
Sensitivity Adjustment Automatic
Power Supply 9 V alkaline battery (Receiver)
Transmitter Polarity Automatic
Humidity 50% RH (non condensing)
Environmental
Conditions
Indoor use, altitudes up to 2000 m,
Pollution Degree 1 or 2, Installation Category II
Caution BT-VLA cord assembly to be used with Transmitter
only according to instructions.
BATTERY REPLACEMENT
Power is supplied by one 9 V alkaline battery (Receiver).
The Identification Arrow LED on the Receiver will not turn ON when
replacement is needed. To replace the battery, remove the screw from the back
of the meter and slide the battery door outward. Remove the battery from
case bottom and replace it with a fresh 9 V alkaline battery.
Remove screw
Slide battery
door outward
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MAINTENANCE AND REPAIR
If there appears to be a malfunction during the operation of the tracer, the
following steps should be performed in order to isolate the cause of the
problem.
1. Check the battery. Replace the battery immediately if the Receiver LED
doesn’t turn ON.
2. Review the operating instructions for possible mistakes in operating
procedure.
Except for the replacement of the battery, repair of the tracer should be
performed only by a Factory Authorized Service Center or by other qualified
instrument service personnel.
The front panel and case can be cleaned with a mild solution of detergent and
water. Apply sparingly with a soft cloth and allow to dry completely before
using. Do not use aromatic hydrocarbons or chlorinated solvents for cleaning.
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