Physical characteristics, Safety, Safety voltages – National Instruments NI 9481 User Manual

Page 14

Advertising
background image

NI 9481 Operating Instructions and Specifications

14

ni.com

Physical Characteristics

If you need to clean the module, wipe it with a dry towel.

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.)

Ferrules ............................................. 0.25 mm

2

to 2.5 mm

2

Weight............................................... 150 g (5.3 oz)

Safety

Safety Voltages

Connect only voltages that are within the following limits.

CHa-to-CHb...................................... 250 V

rms

max,

Measurement Category II

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

Advertising