??? ????????
JH-3C ??????????У??????????????????????????????????????????????????192??64???????????????????????????桢??????????????????????????????????????????????????????У???????н???????????Ч???????????????и????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????λ?????????????????????????????????????????????????????á???÷???????????????????顢?????λ?????????????????0.2????0.5?????????????????????????????????????????????????????????????????У??0.1???????????????
???? ????????
1 ??51/2λLCD????????????,????????????????????????
2 ????????????????????????????????????????100%/N??10%/N??1%/N??0.1%/N??N?4??5??6??10??15????
3 ???????????????????????????????????????????????????а?????????????λ????????????????????
4 ?????????????????Χ?0??1050V??
5 ??????????????????Χ?0??60A??
6 ???????????????????50Hz??60Hz??59.7Hz????400Hz??1000Hz???????????????????????????
7 ??????????????????,????????????????????????????λ??
8 ??????50Hz?????????????е????,???С?????????????
9 ????α?????:????????????HG1000A??????,?????0-1000A????,????0.3%??
??????????????
1 ???????? AC??????????0.02%/5????
DC??????????0.01%/5????
?????????????????????С???
2 ?????????????0.5%
3 ???????????????0.05%??????????
4 ?????????????50Hz??60Hz??59.7Hz????400Hz??1KHz??0.1%?????е??????
5 ???????????????????????????Χ?????????????1?? ??23???2?棬????????10%??????
?????? |
?????Χ |
????? |
?????? |
? ? ?? |
??? ????? |
0??300mV |
20mA |
100mA |
??????? DC??????0.02%????+0.03%?????? AC??????0.02%????+0.03%???? ???????100mV?????????2mA???????????? 1KHz????????0.05%???? ?????????? ??0.02mV
|
0??1V??3V |
50mA |
100mA |
0??5V??10V??30V |
100mA |
200mA |
0??50V??100V??300V |
50mA |
100mA |
0??250V??500V??1000V |
DC:20mA AC:40mA |
DC:20mA AC:60mA |
??? ?????? |
0??100mA |
|
DC:3V AC:36V |
0??1A |
|
DC:3V AC:12V |
0??60A |
|
1.5V |
??????? |
10??24??50??100??240??500( ??) ??1??2.4??5??10??24(k ??) ???? ?? 1K?? ?? 1?????λ??10k????24M??) |
0.25W |
|
??(0.2%+20m??) |
? ????1????????????????23 ?? ??2 ?棬??仯10?棬???????С?????????????? ??2??50A 1KHz???? ???????????0.15%+????????0.05%?? |
??????1??
6 ??????????????????220V??10%?????50Hz??1Hz??
7 ?????????????????????????5?桫35?棬???????80%
8 ?????????????
9 ?????γ?磺180??480??480mm3
10 ?????? ???24kg