DESCRIPTION
A wide range of transducers to measure all forms of active power, in both balanced and unbalanced, single or 3 phase system. They utilize the well prove "time division multiplication" method of measuring instantaneous power over a wide range of input waveforms. The circuit diagram shown measured voltage is modulated by circuit of an oscillator. Square wave pulses from a multi-vibrator circuit, with a mark - space ratio varied by the measured voltage and amplitued by the measured current, are fed to an integrator an output amplification circuit. The dc signal produced is then directly proportional to power input - Watts
.png)
.
.png)
Specification:
Aux. power supply | AC 110V ± 15%, 50/60HZ AC 220V ± 15%, 50/60HZ DC24V, 48V, 110V, ± 15% |
Power consumption | -2.5VA, ≤DC 3W |
Power effect | ≤0.1% RO |
Waveform effect | ≤0.2% RO. at distortion factor 30%( PCIR) |
Output load effect | ≤0.05% RO. |
Magnetic field strength | -0.2% RO., 400A/M |
Span adjustment range | 5%RO |
Zero adjustment range | 1%RO |
Operating temperature range | 0 ~ 60℃ |
Operating temperature range | 0 ~ 60℃ |
Storage temperature range | -10 ~ 70℃ |
Temperature coefficient | - 100PPM from 0 to 60℃ ≤ 60PPM, 25。C ± 10℃ |
Max. relative humidity | 95% |
Isolation | Input/output/power/case |
Insulation resistance | 100M W, DC 500V |
Dielectric withstand voltage | Between input/output/power/case (IEC 414, 688,ANSI, C37) AC 2.6KV, 60HZ, 1 min. |
Impulse withstand test | 5KV, 1.2 X 50μS (IEC 255-4, ANSI C37 90a) Common mode & differential mod |
Performance | Designed to comply with IEC688 |
Safety requirements | IEC 414, BS5458 |
.png)
.png)
Model N3-RD-3A-105A40Y , N3-AD-3-15A40 , N3-VD-1S-05A4F
