High Stability Class 0.05 Portable Three Phase Standard Power
Source UTI-3S
1) Can be used independently or together with standard meter
2) With measurement mode selection namely 3P3W, 3P4W and 1P2W
3) Power Source (PS): output 0-380V/phase & 1mA-20A/phase, depend
on client requirement
4) Linear amplifier
5) Automatic control by PC software
6) Manual control by touch screen/keypad
Technical Index
| Description | 1mA-20A, accuracy class 0.05 or 0.1 |
| Supply Voltage | AC 85-282V, 47-63HZ |
| Power Consumption | 290VA |
| Influence of auxiliary voltage | ≤0.005% at 10% variation |
| Dimension | 510*600*170mm |
| Weight | 20KG |
| Frequency Range | 45-69HZ |
| Frequency Resolution | 0.001HZ |
| Frequency Error | Less than 0.01HZ |
| Phase Angle Range | 0-359.99° |
| Phase Angle Resolution | 0.001° |
| Phase Angle Error | 0.1° |
| Communication Port | RS232 |
| Range (P-N) | 0-456V |
| Power | 3*15VA |
| Display Resolution | Six significant digits |
| Output accuracy | 0.1% |
| Output stability | Better than 0.01%/1min |
| Distortion | Better than 0.5% |
| Range | 1mA-20A |
| Power | 3*15VA |
| Display Resolution | Six significant digits |
| Output accuracy | 0.1% |
| Output stability | Better than 0.01%/1min |
| Distortion | Better than 0.5% |
| Fundamental Frequency range | 40-70HZ |
| Range | 2-31st times |
| Maximum content in both voltage and current circuit | 40% |
| Active power | 0.1% |
| Reactive power | 0.2% |
| Apparent power | 0.1% |
| Power factor | 0.1% |
| Voltage | 0.1% |
| Current | 0.1% |
| Phase | 0.1° |
Features
1) Can be controlled by computer through RS232 setting the
parameters and then test by control software;
2) Can be used independently also can be used together with
reference standard meter.
3) With LED indicator on the face plate after power on the unit
4) With voltage measurement facility and loop back control
5) With measurement mode selection, namely 3P3W, 3P4W and 1P2W.
When select 3P3W, automatically
deactivate L2 phase current and when select 1P2W, automatically
deselect L2 and L3 phases.
6) With overload, short circuit and thermal overload protection
7) When accuracy of the unit changes, can calibrate it by given
method by yourself
Display below parameters (7” LCD)
1) True RMS value of voltage for each phase
2) True RMS value of phase to phase voltage
3) Harmonics distortion in each phase and total harmonic distortion
4) Phase current
5) Phase angle between voltages
6) Phase angle between voltage and current
7) Active, reactive and apparent power of each phase
8) Total power factor
9) Total active, reactive and apparent power
10) Instantaneous power factor for each phase
11) Frequency
12) Vector diagram
