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User Guide
Circuit Breaker Finder and GFCI
Receptacle Tester
Extech CB10
Introduction
Congratulations on your purchase of the Extech Model
CB10 Circuit Breaker Finder and Receptacle Tester. This
instrument is shipped fully tested and calibrated and, with
proper use, will provide years of reliable service.
Meter Description
Receiver
1.
Indicating LED and Beeper
2.
ON/OFF and Sensitivity adjust
3.
Transmitter storage plug
Note that battery compartment is located on
rear of receiver
Transmitter
4.
Receptacle LED coding scheme
5.
GFCI test button
6.
Receptacle LED's
Safety
This symbol adjacent to another symbol,
terminal or operating device indicates that
the operator must refer to an explanation in
the Operating Instructions to avoid personal
injury or damage to the meter.
This WARNING symbol indicates a
WARNING
potentially hazardous situation, which if not
avoided, could result in death or serious
injury.
This CAUTION symbol indicates a
CAUTION
potentially hazardous situation, which if not
avoided, may result damage to the product.
This symbol indicates that a device is
protected throughout by double insulation or
reinforced insulation.
Specifications
Operating Voltage
1
Operating Frequency
Power supply
Operating Temperature
Storage Temperature
2
Operating Humidity
Storage Humidity
Operating Altitude
Weight
Dimensions
3
Approvals
UL Listed
4
5
Operation
6
WARNING: Always test on a known good circuit before
use.
WARNING: Refer all indicated problems to a qualified
electrician.
Locating a Circuit Breaker or Fuse
The transmitter injects a signal onto the circuit which can be
detected by the receiver. The receiver will beep when the
signal is detected. The sensitivity adjustment allows for tracing
and pinpointing the exact circuit breaker or fuse protecting the
selected circuit.
1.
Plug the Transmitter / Receptacle Tester into a powered
outlet. The two green LED's should illuminate.
90 to 120V
47 to 63Hz
9V battery (receiver)
41ºF to 104ºF (5ºC to 40ºC)
o
o
o
o
-4
F to 140
F (-20
C to 60
C)
Max 80% up to 87ºF (31ºC)
decreasing linearly to 50% at
104ºF (40ºC)
<80%
7000ft. (2000meters) maximum.
5.9oz (167g)
8.5" x 2.2" x 1.5" (215 x 56 x
38mm)
UL CE
The UL mark does not indicate that
this product has been evaluated
for the accuracy of its readings.
Related Manuals for Extech Instruments CB10
Summary of Contents for Extech Instruments CB10
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Page 1: Specifications
Introduction avoided, may result damage to the product. Congratulations on your purchase of the Extech Model CB10 Circuit Breaker Finder and Receptacle Tester. This This symbol indicates that a device is protected throughout by double insulation or instrument is shipped fully tested and calibrated and, with reinforced insulation. - Page 2 Support Lines: U.S. (877) 439‐8324; International: +1 (603) 324‐7800 Technical Support: Option 3; E‐mail: [email protected] The three LED’s will indicate circuit condition. The diagram lists all of the conditions that the CB10 can Repair & Returns: Option 4; E‐mail: [email protected] detect. The LED’s in this diagram represent the view Product specifications are subject to change without notice from the GFCI button side of the transmitter. When Please visit our website for the most up‐to‐date information ...