Measurement-computing USB-3101FS Manual do Utilizador descarregar pdf (Página 16)

USB-3101FS User's Guide Specifications

Safety voltages

Table 6. Safety voltage specifications

Parameter

Conditions

Specification

Channel-to-COM

±11 V maximum

Isolation

Channel-to-channel

No isolation between channels

Channel-to-earth ground

Continuous

250 V

rms

, Measurement Category II (Note 2)

Withstand

2,300 V

rms

, verified by a 5 second dielectric withstand test

Note 2: 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 U.S. or 230 V for Europe.

Caution! Do not connect the device to signals or use for measurements within Measurement Categories

III or IV.

Mechanical

Table 7. Mechanical specifications

Parameter

Specification

Dimensions

4.5" L x 5.5" W x 1.5" H

Weight

1.2 lbs. (544 grams)

Screw terminal connector

Table 8. Screw terminal connector specifications

Connector type

Screw terminal

Screw terminal wiring

12 to 24 AWG copper conductor wire with 10 mm (0.39 in.) of insulation stripped

from the end.

Torque for screw terminals

0.5 to 0.6 N · m (4.4 to 5.3 lb. · in.)

Connector pin out

Terminal

Signal

AO 0

Common (COM)

AO 1

Common (COM)

AO 2

Common (COM)

AO 3

Common (COM)

NC (No connection)

Common (COM)

Accessory products

Table 9. Screw terminal connector specifications

ACC-121

10-position detachable screw terminal connector blocks (quantity 10)

ACC-107

Backshell with 10-position connector block (quantity 1)

1 2 ... 11 12 13 14 15 16 17 18

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