CP-300系列 数字式功率表
| Specification | |
| Line measure 电源测量 | Single phase, two conductor (1φ2W) |
| Values measured 测量值种类 | Voltage, current, Active power, power factor, reactive power, apparent power, frequency. |
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Measurement ranges 测量范围
|
Voltage,
current and active power see separate table of ranges and resolution. |
| Operating principle 操作方式 | Voltage and current: True RMS Power:Analog multiplier circuit. |
| Range selection 范围选择 | Auto or manual (remote via RS-232) |
| Sampling rate 取样频率 | 3.3 times/sec. |
|
Input impedance 输入阻抗
|
Voltage:
approx 1Mohm |
| Maximum allowable input 最大允许输入 |
Voltage: 650V rms, Current:20A RMS 50A peak(CP-310,CP-320A) / 50A RMS 125A peak (CP-350) |
|
Maximum common mode voltage 最大一般模式电压 |
Voltage and current input terminals: 600V rms. |
| Crest factor 波形因素 | 3 |
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Input method 输入方法
|
Voltage:
resistance divider |
| Input terminals 输入端子 | large binding posts. |
| Effective input range 输入范围效率 | 5% to 100% of the set range. |
| Temperature Coefficient： | Less than ± 0.05% f.s/ oC. |
| Averaging function： | Displays computed average (fix 3 measured). |
| Computing Function | |||
| Apparent Power | Reactive power | Power factor | |
| VA = V*A | VAR = √(VA2 -W2) | PF = W (VA) | |
| Computing Range ：VA , VAR : Voltage and current range | |||
|
PF ： Zero to unity leading or lagging |
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| Computing Accuracy： VA * VAR ± 0.05% of rated value | |||
|
PF ：± 0.001 |
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| Frequency measurement function | |||
| Operating Principle 操作方式 | Reciprocal counting method | ||
| Measurement range 测量范围 | 5% to 100% set range(10Hz ~ 100KHz) | ||
| Auto Range 自动选择范围 | 45Hz / 10KHz / 100KHz | ||
| Accuracy 准确度 | ±1 DGT of the range | ||
| Measurement Cycle 测量周期 | 3.3 times / sec | ||
| Display Range 表示范围 | 10.00Hz ~ 99999Hz(5 digits) | ||
| Interface | |||
| RS-232 | Baud Rate：1200 , 2400 , 9600 bps. | ||
| Transmission system : Srart-stop synchronization 8 bits , 1 stop bit. none parity | |||
| General specification | |||
| Dielectric Strength 耐压 | 2.2KV AC (50/60Hz) for one minute between input terminals and case. | ||
| Insulation Resistance 绝缘 | more than 20Mohm at 500V dc between input terminals and case between case and power line. | ||
| Operating Temperature 操作温度 | 5 to 50 oC (41 to 104℉) | ||
| Humidity Range 操作湿度 | 10 to 90% (relative humidity) non-condensing. | ||
| Line Requirements 电源 | AC115V or 230V ± 15%, 47 to 63 Hz 15VA | ||
| Dimensions/Weight 尺寸重量 | 260x110x360(WxHxD)/4.8Kgs net. | 装箱材积表 | |
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