Measurement Computing USB-2404-UI - Manual (Page 19)

USB-2404-UI User's Guide Specifications
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Bus interface
Table 9. Bus interface specifications
Parameter Specification
USB specification USB 2.0 Hi-Speed
Environmental
Table 10. Environmental specifications
Parameter Specification
Operating temperature range 0 to 60 ºC
Storage temperature range –40 to 85 ºC
Operating humidity 10 to 90% RH, non-condensing
Storage humidity 5 to 95% RH, non-condensing
Maximum altitude 2000 meter (6562 feet)
Note 2: The USB-2404-UI is intended for indoor use only, but may be used outdoors if installed in a suitable
enclosure
Mechanical
Table 11. Mechanical specifications
Parameter Specification
Dimensions 5.27" (L) x 5.64" (W) x 1.54" (H) (134 mm x 143 mm x 39 mm)
Weight 1.25 lbs (567 grams)
Safety voltages
Connect only voltages that are within the limits specified in this table.
Table 12. Safety specifications
Parameter Conditions Specification
Channel-to-earth ground isolation Continuous 250 VAC, Measurement Category II (Note 3)
Withstand 2300 VAC, verified by a 5 second dielectric withstand test
Channel-to-channel isolation Continuous 250 VAC, Measurement Category II (Note 3)
Withstand 1390 VAC, verified by a 5 second dielectric withstand test
Note 3: Measurement Category II is for measurements performed on circuits directly connected to the
electrical distribution system. This category refers to local-level electrical distribution, such as that
provided by a standard wall outlet, for example 115 V for US or 230 V for Europe.
Caution! Do not connect the device to signals or use for measurements within Measurement Categories
III or IV.
Spring terminal connectors
Table 13. Spring terminal specifications
Connector type Four 6-position spring terminal connectors
Spring terminal wiring 18 to 28 AWG copper conductor wire with 7 mm (0.28 in.) of insulation stripped from the
end.