National Instruments 9211 - Manual (Page 16)

USB-9211/9211A User Guide and Specifications 16 ni.com
Offset error from source impedance .......0.05
µV typ, 0.07 µV max per Ω
source impedance due to input
current
Power Requirements
Current consumption from USB.............500 mA, max
Suspend mode..................................2.5 mA, max
Bus Interface
USB specification
USB-9211 ........................................USB 2.0 full speed
USB-9211A .....................................USB 2.0 high speed
Physical Characteristics
If you need to clean the module, wipe it with a dry towel.
Dimensions ............................................14 cm
× 8.6 cm × 2.5 cm
(5.51 in.
× 3.37 in. × 0.99 in.)
Weight ....................................................Approx. 350 g (12.3 oz)
Screw-terminal wiring ............................12 to 24 AWG wire with 10 mm
(0.39 in.) of insulation stripped
from the end
Torque for screw terminals.....................0.5 – 0.6 N · m
(4.4 – 5.3 lb · in.)
Safety
Standards
The USB-9211/9211A is designed to meet the requirements of the
following standards of safety for electrical equipment for measurement,
control, and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1
• CAN/CSA-C22.2 No. 61010-1
Note For UL and other safety certifications, refer to the product label, or visit
ni.com/certification , search by model number or product line, and click the
appropriate link in the Certification column.