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日本YOKOGAWA WT2030数字功率计特点
产品代码 |
253101 | 253102 | 253103 |
单相2线制 | 可用 | 可用 | 可用 |
单相3线制 | 1 | 可用 | 可用 |
3相3线制 (2电压,2电流) |
1 | 1 | 可用 |
3相3线制 (3电压,3电流) |
1 | 1 | 可用 |
3相4线制 | 1 | 1 | 可用 |
日本YOKOGAWA WT2030数字功率计技术指标
Input | |||||||
Item | VoltageV | CurrentA | |||||
Input circuit type | Floatinginput | ||||||
Resistive voltage divider | Shuntinput | ||||||
Rated inputs(range rms) | 10/15/30/60/150/300/600V | Directinput 1/2/5/10/20/30A External shunt input: Approx.100 kΩ | |||||
Input impedance | Inputresistance Approx. 2 MΩ Input capacitance Approx.15 pF |
Directinput: Approx.6 mΩ +approx.0.07 μH External shunt input: Approx:100kΩ | |||||
Frequency range | DCand 2 Hz to 500 Hz | ||||||
Instantaneous maximum allowable input for 1s |
Thepeak voltage is 2500V, or the RMS value is 3 times the range, whichever is less. |
The peak current is 90A,orthe RMS value is 50A,whichever is less. External input:The peak value is 20times the range or less. | |||||
Continuousmaximum allowable input |
The peak voltageis 1400V, or the RMS value is 2.5 times the range, whichever is less. |
Thepeak current is 60A,or the RMS value is 35A,whichever is less. External input:Thepeak value is 10 times the range or less. | |||||
Continuousmaximum common mode voltage |
600 Vrms(whenthe protective cover for the output connector is used)CATII 400 Vrms(whenthe protective cover for the output connector is removed)CATII | ||||||
Common mode rejection ratio at 600V rms between input terminals and case (50/60 Hz input) |
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