Specifications - Extech Instruments CB20 User Manual

Circuit breaker finder/receptacle tester
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Specifications 
Operating Voltage 
Operating Frequency 
Power supply 
Operating Temperature 
Storage Temperature 
Operating Humidity 
Storage Humidity 
Operating Altitude 
Weight 
Dimensions 
Approvals 
UL Listed 
All rights reserved including the right of reproduction in whole or in part in any form 
90 to 120VAC 
47 to 63Hz 
9V battery (receiver) 
5ºC to 40ºC (41ºF to 104ºF) 
o
o
o
‐20
C to 60
C (‐4
F to 140
Max 80% up to 31ºC (87ºF) decreasing linearly to 50% at 40ºC (104ºF) 
<80%  
2000 meters (7000ft.) maximum 
Transmitter: 91g (3.2oz)  
Receiver: 136g (4.8oz) 
Transmitter: 118 x 60 x 35mm (4.6 x 2.4 x 1.4")  
Receiver: 196 x 55 x 36mm (7.7 x 2.2 x 1.4") 
UL CE 
The UL mark does not indicate that this product has been evaluated 
for the accuracy of its readings. 
Copyright © 2013 FLIR Systems, Inc. 
ISO‐9001 Certified 
www.extech.com 
o
F) 
8
CB20-EU-EN-V1.2
5/13

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