National Instruments NI 9239E User Manual download pdf (Page 20)

NI 9229E/9239E 20 ni.com

Torque for screw terminals ............... 0.22 to 0.25 N · m

(1.95to2.21lb· in.)

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

to 0.5 mm

Weight............................................... 50 g (1.8 oz)

Safety

Isolation Voltages

Connect only voltages that are within the following limits.

Channel-to-channel

Continuous .................................250 V

rms

Measurement Category II,

(Basic insulation)

Withstand.................................... 1,390 V

rms

, verified by a 5 s

dielectric withstand test

Channel-to-earth ground

Continuous .................................250 V

rms

Measurement Category II,

(Double insulation)

Withstand.................................... 2,300 V

rms

, verified by a 5 s

dielectric withstand test

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National Instruments NI 9239E User Manual Page 20