Measurement Computing USB-3101FS - Manual (Page 16)

USB-3101FS User's Guide Specifications
16
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
0
AO 0
1 Common (COM)
2 AO 1
3 Common (COM)
4 AO 2
5 Common (COM)
6 AO 3
7 Common (COM)
8 NC (No connection)
9 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)