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◆Excellent long term stability (4 ~ 20mA, 500 W )
◆Precision measurement even for unbalance system
◆Precision measurement even for distorted wave
◆High impulse & surge protection (5KV)
◆The case can be mounted on a 35mm rail which complies with DIN 46277
2.1 Model:
S3-WHW-1 1φ2W,± 0.2% RD ; N3-WHW-1 1φ2W,± 0.5% RD
S3-WHW-3 3φ3W, ± 0.2% RD ; N3-WHW-3 3φ3W, ± 0.5% RD
S3-WHW-3A 3φ4W, ± 0.2% RD; N3-WHW-3 3φ3W, ± 0.5% RD
3. SPECIFICATION
3.1 INPUT
Input Range | Max. Input Over Capability | ||||
Circuit | Amp. | Voltage | Basic KWH | Basic Watt | |
Single Phase | 5 A | 110V (120V) | ± 0.5KWH | 0~0.5KW | Ampere: 3 x rated continuous 10 x rated 10 sec. 50 x rated 1 sec.
Voltage: 2 x rated continuous |
220V (240V) | ± 1KWH | 0~1KW | |||
3-Phase 3-Wire |
5 A | 110V (120V) | ± 1KWH | 0~1KW | |
220V (240V) | ± 2KWH | 0~2KW | |||
3-Phase 4-Wire | 5 A | 190V/110V (208/120V) | ± 1.5KWH |
0~1.5KW | |
380V/220V (416/240V) | ± 3KWH |
0~3KW | |||
DC Output Range | Load Resistance | Output Resistance | Output Ripple | Response Time |
0 ~ 1V |
1KW |
≤0.05W |
≤ 0.5% RO. (Peak) |
≤400mS. 0 ~ 99% |
0 ~ 5V | ||||
1 ~ 5V | ||||
0 ~ 10V | ||||
0 ~ 1mA | 0 ~ 10KW | 20MW | ||
0 ~ 10mA | 0 ~ 1KW |
5MW | ||
0 ~ 20mA | 0 ~ 500 W | |||
4 ~ 20mA |
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 |
1.Order form:
2. Example of model and parameter filling:
(1) S3-WHW-3-555A43CB
0.2%RO 3φ3W active power / active energy transducer
Input nominal current: 5A;
Input nominal voltage: 100V;
Nominal input power: 866W;
Input signal frequency: 50±5Hz;
Output range (power): 4-20mA/ 0-866W;
Output range (power constant): 10000 pulses / kWh
Output type: no voltage pure contact (optocoupler open collector output);
Auxiliary power supply: AC220V.
(2) N3-WHW-3-155V23CB
0.5%, 3φ3W active power / active energy transducer
Input nominal current: 1A;
Input nominal voltage: 100V;
Nominal input power 4:170W;
Input signal frequency: 50±5Hz;
Output range (power): 0-5V/0-170W;
Output range (power constant): 1000 pulses / kWh
Output type: no voltage pure contact (optocoupler open collector output);
Auxiliary power supply: AC220V.
