Measurement-computing USB-2404-UI Manual do Utilizador descarregar pdf (Página 19)

USB-2404-UI User's Guide Specifications

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.

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