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U2781A Datasheet, PDF (59/76 Pages) Keysight Technologies – USB Modular Products
Product outlook and dimensions
Front view
Rear view
41.00 mm
Top view
117.00 mm
180.00 mm
8.60 mm
Standard shipped accessories
–– 12 V, 2 A AC/DC Power adapter
–– Power cord
–– Standard test lead set
–– USB Standard-A to Mini-B interface
cable
–– L-Mount kit (used with modular
product chassis)
–– Keysight USB Modular Products Quick
Start Guide
–– Keysight Measurement Manager Quick
Reference Card
–– Keysight USB Modular Products
Reference CD-ROM
–– Keysight Automation-Ready CD-ROM
(contains the Keysight IO Libraries
Suite)
–– Certificate of Calibration
Optional accessories
–– E2308A Thermistor temperature probe
–– USB Secure 2-m cable
Product characteristics and general specifications
REMOTE INTERFACE
–– Hi-Speed USB 2.0*
–– USBTMC-USB4881
POWER CONSUMPTION
–– +12 VDC, 2 A maximum
–– Isolated ELV supply source
–– OPERATING ENVIRONMENT
–– Operating temperature from 18 °C to +28 °C
–– Relative humidity at 50% RH (non-condensing)
–– Altitude up to 2000 meters
–– Pollution Degree 2
–– For indoor use only
STORAGE COMPLIANCE
–– Storage temperature from –20 °C to 70 °C
–– Relative humidity at 5% to 90% RH (non-condensing)
SAFETY COMPLIANCE
Certified with:
–– IEC 61010-1:2001/EN 61010-1:2001 (2nd Edition)
–– USA: ANSI/UL 61010-1:2004
–– Canada: CSA C22.2 No.61010-1:2004
EMC COMPLIANCE
–– IEC 61326-1:2002/EN 61326-1:1997+A2:2001+A3:2003
–– Canada: ICES-001:2004
–– Australia/New Zealand: AS/NZS CISPR 11:2004
MEASUREMENT COMPLIANCE
CAT II 300 V Over-voltage protection
COMMON MODE REJECTION RATIO (CMRR)
–– DC CMRR > 120 dB with 1k unbalanced load
–– AC CMRR > 70 dB at 50/60 Hz ±0.1% with 1k unbalanced load
NORMAL MODE REJECTION RATIO (NMRR)
–– > 60 dB at 50/60 Hz ±0.1%2
–– > 0 dB at 50/60 Hz ±0.1%3
SHOCK AND VIBRATION
Tested to IEC/EN 60068-2
IO CONNECTOR
Four banana socket terminals
DIMENSION (W × D × H)
Module dimension:
–– 117.00 mm × 180.00 mm × 41.00 mm (with bumpers)
–– 105.00 mm × 175.00 mm × 11.50 mm (without bumpers)
WEIGHT
–– 509 g (with bumpers)
–– 451 g (without bumpers)
WARRANTY
One year for U2741A
Three months for standard shipped accessories
CALIBRATION
Calibration interval of one year is highly recommended
1 Compatible with Microsoft Windows operating systems only.
2 Applicable for NPLC > 1.
3 Applicable for NPLC 0.2 and 0.02
*If remote connections are necessary, a E5813A USB/LAN hub can be used. Please go to
the product’s user guide for more information.
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