National Instruments RMX-4120 User Manual page 120

Appendix A Specifications
1
Fall time
Rated load
RMX-4120/4121 .........................100 ms
RMX-4122 ..................................150 ms
RMX-4123 ..................................250 ms
No load
RMX-4120/4121 .........................450 ms
RMX-4122 ..................................1500 ms
RMX-4123 ..................................3000 ms
Maximum remote sensing compensation voltage (single line)
RMX-4120 ........................................1.5 V
RMX-4121 ........................................4 V
RMX-4122/RMX-4123 ....................5 V
Temperature coefficient (MAX)
Current
Setting range
RMX-4120 ........................................0 to 78.75 A
RMX-4121 ........................................0 to 29.4 A
RMX-4122 ........................................0 to 10.5 A
RMX-4123 ........................................0 to 3.675 A
Setting accuracy ........................................±(0.5% of setting +0.1% of rtg)
Line regulation
RMX-4120 ........................................± 9.5 mA
RMX-4121 ........................................± 4.8 mA
RMX-4122 ........................................±3 mA
RMX-4123 ........................................±2.35 mA
Load regulation
RMX-4120 ........................................± 20 mA
RMX-4121 ........................................±10.6 mA
RMX-4122 ........................................±7 mA
RMX-4123 ........................................±5.7 mA
3
Ripple noise
4
(rms)
RMX-4120 ................................150 mA
RMX-4122 ................................65 mA
RMX-4122 ................................30 mA
RMX-4123 ................................15 mA
Temperature coefficient (TYP)
1
When the bleeder circuit is on.
2
When the ambient temperature is within 0 to 50 °C.
3
When the output voltage is 10% to 100% of the rating. At the rated output current.
4 When the measurement frequency bandwidth is 10 Hz to 1 MHz
A-4 | ni.com
2 ..............100 ppm/°C (during external control)
1
...............100 ppm/°C
.