NADXC电力谐波测量仪谐波报警仪
NADXC power harmonic measuring tester
产品别名
NADXC电力谐波测量仪,电力谐波报警仪,电力谐波测试仪,电力谐波分析仪,电力谐波测量分析仪
主要性能及技术指标
电网的电能质量是指供给用户受电端,并供用户使用的电能品质的优劣程度的量度。它涵盖五个方面:供电电压允许偏差、公用电网谐波、三相电压不平衡度、电力系统频率允许偏差、电压允许波动和闪变。
NADXB电力谐波测量报警仪的测试对象为45~65Hz交流工频信号的测量,具体技术参数如下:
1. 测量精度
表1 仪表主要性能及技术指标
参 数 | 测量范围 | 工 作 误 差 | 分辨力 | 备 注 |
交流电压 | ( 10~500)V | ±(0.4%读数+0.1%量程) | 0.1V | 最大:600V |
交流电流 | 选配电流钳 | 0.001A | 最大:1.1倍 | |
功 率 | U*I*PF | PF=1.0:±(0.4%读数+0.1%量程) PF=0.5:±(0.8%读数+0.2%量程) | < 200W 0.1W ≥200W 1W | 测试电流 > 0.01*电流量程 |
功率因数 | 0.20~1.00 | ±0.02 | 0.01 | > 0.5A; |
频 率 | (45~65)Hz | ±0.01 Hz | 0.01 Hz | U > 50 V |
电 能 | 9999.9 MWh | PF=1.0:±(0.4%读数+0.1%量程) PF=0.5:±(0.8%读数+0.2%量程) | ||
时 间 | 1m~999h59m | ±0.05 % | 1 秒钟 | |
谐 波 | 1 ~ 50 次 | |||
实时时钟 | 24 小时格式 | 1 秒钟 |
注:电流量程参照仪表选配的电流钳,顾客订货时应该确认适宜的电流钳。
2. 其他参数
输入方式:电压电流均为浮置输入;
输入阻抗: 电压端子:≥ 600 kΩ;
电流端子:电流钳
测量信号最大峰值:电压电流均为最大量程的1.6倍;
转换速率:约20000次/秒;
显示更新:约2次/秒;
整机功耗:< 5W;
仪表重量:约 4 kg
仪表尺寸: 宽 x 高 x高:(264×117×330)mm
3. 工作环境
大气压力:(86~106)kPa ;
温度:(0~40)℃ ;
湿度:≤85 %RH
工作电源: AC 220V±15% 50/60Hz
NADXC power harmonic measuring tester
Also called name
NADXC Power Harmonic Meter, Power Harmonic Alarm, Power Harmonic Tester, Power Harmonic Analyzer, Power Harmonic Measurement Analyzer
The main performance and technical indicators of NADXC
This power quality of the power grid is a measure of the quality of the power supplied to the user at the receiving end and for the user to use. It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and flicker.
NADXB power harmonic measurement alarm object for the 45 ~ 65Hz AC frequency measurement of the signal.
The specific technical parameters are as follows
1. Measurement accuracy
Table 1. main instrument performance and technical indicators
Data | Measuring range | Working error | Resolution | Remarks |
AC Voltage | ( 10~500)V | ±(0.4%Reading + 0.1% of range) | 0.1V | Max:600V |
AC Current | Current clamp can option | 0.001A | Max:1.1 times | |
Power | U*I*PF | PF=1.0:±(0.4%Reading + 0.1% of range) PF=0.5:±(0.8%Reading + 0.2% of range) | < 200W 0.1W ≥200W 1W | Test current > 0.01*Current range |
Power factor | 0.20~1.00 | ±0.02 | 0.01 | > 0.5A; |
Frequency | (45~65)Hz | ±0.01 Hz | 0.01 Hz | U > 50 V |
Electricity | 9999.9 MWh | PF=1.0:±(0.4%Reading + 0.1% of range) PF=0.5:±(0.8Reading + 0.2% of range) | ||
Time | 1m~999h59m | ±0.05 % | 1 Second | |
Harmonics | 1~50 times | |||
Real time | 24 Hour Format | 1 Second |
Note: The current range of reference meter matching current clamp, customer orders should confirm the appropriate current clamp.
2. Other parameters:
Input mode: voltage and current are floating input;
Input impedance: Voltage terminals: ≥ 600 kΩ;
Current terminal: current clamp
Measurement signal maximum peak: voltage and current are 1.6 times the maximum range;
Conversion rate: about 20,000 times / second;
Display update: about 2 times / sec;
Power consumption: <5W;
Instrument weight: about 4 kg
Meter size: width x height x height: (264 × 117 × 330) mm
3. Working environment:
Atmospheric pressure: (86 ~ 106) kPa;
Temperature: (0 ~ 40) ℃;
Humidity: ≤ 85% RH
Working power: AC 220V ± 15% 50 / 60Hz
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