电力谐波及漏电钳表PROVA-19/21/23介绍
1.电流电压都是真均方根值(True RMS);漏电电流分辨率最小是10μA.
2.电流电压谐波分析可高达99次;99次谐波分析可更了解高频谐波影响 (可高达5/6 KHz).
3.钩表方式,可做线上谐波分析,不影响正常操作.
4.谐波总量百分比(%THD-F)分析;波形因素(C.F.)分析.
5.高速峰值(Peak)量测 (33μs 39μs);可设定CT比(1 to 250).
6.Model 21(50A) 23(100A)
7.瓦特(W, KW),马力(H.P.);功率因素(PF), 相角(Φ)
8.视在功率(VA, KVA), 虚功率(VAR, KVAR)
9.瓦特小时,耗电度数(mWH, WH, KWH)
10.分析IT待机时的耗电量(W, mWH, WH)
11.测量平衡三相电力;测量三相电力相序
PROVA/21/23电力谐波漏电钳表PROVA-19介绍
范围 | 分辨率 | 准确度21 (0 - 30A) | 准确度21 (30 - 50A) |
0.000 – 9.999 W | 0.001 W | ±1% ± 0.02 W | ±2% of VA ± 5dgts |
10.00 – 99.99 W | 0.01 W | ±1% ± 0.2 W | ±2% of VA ± 5dgts |
100.0 – 999.9 W | 0.1 W | ±1% ± 0.2 W | ±2% of VA ± 5dgts |
1.000 – 9.999 KW | 0.001 KW | ±1% ± 0.02 KW | ±2% of VA ± 5dgts |
10.00 – 99.99 KW | 0.01 KW | ±1% ± 0.2 KW | ±2% of VA ± 5dgts |
100.0 – 999.9 KW | 0.1 KW | ±1% ± 0.2 KW | ±2% of VA ± 5dgts |
1000 – 9999 KW | 1 KW | ±1% ± 2 KW | ±2% of VA ± 5dgts |
交流电流AC Current (50 or 60 Hz, True RMS) | |||
范围(19,21) | 范围(23) | 分辨率 | 读值准确度 |
0.30 – 60.00mA | 0.30 – 60.00mA | 0.01mA | ±0.5% ± 5dgts |
60.0 – 600.0mA | 60.0 – 600.0mA | 0.1mA | ±0.5% ± 5dgts |
0.030 – 3.000 A | 0.030 – 9.999 A | 0.001 A | ±0.5% ± 5dgts |
3.00 – 30.00 A | 10.00 – 60.00 A | 0.01 A | ±0.5% ± 5dgts |
30.00 – 50.00 A | 60.00 – 99.99 A | 0.01 A | ±0.5% ± 5dgts |
交流电压AC Voltage (50 or 60 Hz, True RMS) | |||
范围 | 分辨率 | 读值准确度 | |
3V – 250V | 0.1 V | ±0.5% ± 5dgts | |
250V – 600V | 0.1 V | ±0.5% ± 5dgts | |
交流电压谐波分析(百分比 %及大小,1 到 99次) | |||
范围 | 分辨率 | %准确度 | |
50V – 600V | 0.1 % | ±0.5% | |
交流电流谐波分析(百分比 %及大小,1 到99次谐波) | |||
范围(Model 19, 21) | 范围(Model 23) | 分辨率 | 准确度 |
10.00 – 60.00mA | 10.00 – 60.00mA | 0.1 %,0.01mA | ±0.5% ± 0.1mA |
0.5 – 60.00 A | 0.5 –99.99 A | 0.1 %,0.001 A | ±0.5% ± 0.1A |
功率因素(PF), 相角(Φ)(Model 21 23) | |||
范围(PF),Φ | 分辨率 | 准确度 | |
0.000 – 1.000 | 0.001 | ± 1° | |
-180° to 180° (0° to 360°) | 0.1° | ± 1° | |
谐波总量百分比(%THD-F, 1到99次谐波) 波形因素(Crest Factor, C.F.) | |||
范围 | 分辨率 | 读值准确度 | |
0.0 – 999.9 % | 0.1% | ± 0.5% ± 5 digits | |
1.00 – 99.99 | 0.01 | ± 5% ± 30 digits |
一般规格 | |
钳部直径Φ | 约30mm |
显示 | 4+2+2 位数 LCD |
电池规格 | 1.5V SUM-3 x 2,耗电量:约5mA |
显示更新速度 | 1 times / sec. |
周期取样速度 | 512次(电压电流), 256次(瓦特) |
储存温度 | -20C to 60C, < 75% |
操作环境 | -10C to 50C,< 85% |
尺寸,重量 | 210 (L) x 62 (W) x 35.6mm (H), 8.3" (L) x 2.5" (W) x 1.4" (H),200g |
附件 | 测试棒 x 1, 携带用背袋 x 1, 说明书 x 1, 电池 1.5V x 2 |