| 系列规格 |
item | voltage | current | | input circuit type | resistive voltage divider | shunt input | | rated input (range rms) | 2012: 20/200/600v |
2012/14: 200ma/2a/20a
| | input impedance | approx. 1m |
2012: approx. 10m
| | max. input (at 50/60hz) | 600vrms | 2012: 20arms/50apeak | | range se-lection | 2012 : auto range, | | a/d conversion | 4 1/2 digits adc | | input filter | 2012 : none, | | input terminal | 2012: screw terminal, |
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| 量测功能 |
item | voltage / current | effective power | | frequency range | 2011/12: 10hz to 20khz, 2014 : 10hz to 50khz, 2015: 10hz to 5khz | | crest factor | “3” at rated input | | operating principle | ture rms | display accuracy
10hz to 45hz
45hz to 66hz
66hz to 2khz
2khz to 10khz
10khz to 50khz |
0.15% of rng + 0.2% of rdg
0.1% of rng + 0.1% of rdg
0.1% of rng + 0.1% of rdg
0.15% of rng + 0.2% of rdg
0.15% of rng + 0.2% of rdg +( 0.3%＊(f-10khz)) |
0.2% of rng + 0.2% of rdg
0.1% of rng + 0.1% of rdg
0.12% of rng + 0.1% of rdg
0.15% of rng + 0.2% of rdg+( 0.3%＊(f-2khz))
0.15% of rng + 0.2% of rdg +( 0.5%＊(f-10khz)) | | effective input range | 5% to of set range | | temp. coefficient | ±0.05% of range/℃ | | display up-date rate | 3.3 times/sec | | display digits | 4 1/2 digits (20000 counts) | full 4 digits (10000 counts) |
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| 频率量测功能 |
operating principle | reciprocal counting method | display digits | full 5 digits display on each frequency | display range | 10.000hz to 100.00khz | display resolution | 1mhz to 10hz | display accuracy | ± (0.006%+5d) | frequency range | 10hz to 100khz | measurement range | 5% to of rated range | |
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| 计算功能 |
item | wrms | va | var | pf | computation | w | va=v＊a | var= | pf=w/(v＊a) | computation range | depends on the se-lected v and a range | -1 to 0 to 1 | computation accuracy | ---- | ±0.05% of va range | ±0.05% of va range | ±0.001 | maximum display | 9999 | 9999 | 9999 | ±1.000 |
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| 一般规格 | | | power supply | ac 115v/230v±10%, 60hz/50hz switch se-lectable | | warm-up time | approx. 30min. | | operation humidity / temperature range | 80% r.h. (+5℃ ~ 30℃), 50% r.h. (+31℃ ~ 40℃) | | storage temperature / humidity range | -10 ~ 70℃, <80% r.h. | | accessories | power cord x 1, operation manual x 1 |
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