A-14 | ni.com
Appendix A Specifications
RMX-4126................................150 ms
RMX-4127................................250 ms
No load
RMX-4124/4125.......................800 ms
RMX-4126................................1500 ms
RMX-4127................................3000 ms
Maximum remote sensing
compensation voltage (single line)
RMX-4124 ........................................1.5 V
RMX-4125 ........................................4 V
RMX-4126/4127...............................5 V
Temperature coefficient (MAX)
1
..............100 ppm/°C (during external control)
Current
Setting range
RMX-4124 ........................................0 to 157.5 A
RMX-4125 ........................................0 to 58.8 A
RMX-4126 ........................................0 to 21 A
RMX-4127 ........................................0 to 7.35 A
Setting accuracy
2
.......................................±(0.5% of set +0.1% of rtg)
Line regulation
RMX-4124 ........................................±17 mA
RMX-4125 ........................................±7.6 mA
RMX-4126 ........................................±4 mA
RMX-4127 ........................................±2.7 mA
Load regulation
RMX-4124 ........................................±35 mA
RMX-4125 ........................................±16.2 mA
RMX-4126 ........................................±9 mA
RMX-4127 ........................................±6.4 mA
Ripple noise
3
(rms)
4
RMX-4124 ........................................300 mA
RMX-4125 ........................................130 mA
RMX-4126 ........................................60 mA
RMX-4127 ........................................30 mA
Temperature coefficient (TYP)
1
...............100 ppm/°C
1
When the ambient temperature is within 0 and 50°C.
2
For the RMX-4124 and RMX-4125, in the range of 1% to 100% of the rated current.
For the RMX-4127, in the range of 0.2% to 100% of the rated current.
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.