9 Characteristics and Specifications  
Agilent U1602B/U1604B User’s and Service Guide  181
General Characteristics
Table 9 - 4 General characteristics
Power Adapter Line voltage range 50/60 Hz, 100 – 240 VAC
Output voltage 12 VDC
Battery U1571A Ni-MH rechargeable battery pack 7.2 V
Operating time: 4 hours
Charging time (instrument in “off” condition): Approximately 4.5 hours
Charging time (instrument in “on” condition): Approximately 25 hours
Allow ambient temperature during charging: 10 
o
C to 40 
o
C
Dimension (HxWxD)  24.1 cm height x 13.8 cm width x 6.6 cm depth
Weight 1.5 kg
I/O USB 2.0 Full Speed client (standard) and USB 2.0 Full Speed host 
(optional). Firmware upgrade through USB.
Warranty Please refer to http://www.agilent.com/go/warranty_terms
• Three years for the product
• Three months for the product's standard accessories, unless 
otherwise specified
Please take note that for the product, the warranty does not cover:
• Damage from contamination
• Normal wear and tear of mechanical components
• Manuals
Operating Environment
 
Temperature Operating full accuracy: 0 
o
C to 50 
o
C
Non-operating: –20 
o
C to 70 
o
C
Humidity Operating full accuracy to 80% RH at 40 
o
C
Altitude Operating: Up to 2000 m
Non-operating: 15000 m (50000 ft)
Shock and Vibration Tested to IEC/EN 60068-2