FT338???????????????Ч??????

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FT338???????????????Ч??????

1??4 3/4λ???????????Ч??????????????????39999??
2??0.03%??????????????????????0.01??A??1??V??
3?????н??????????????????????????????????????衢??????????????????????????????????
4??????Ч?????????????????????20kHz??
5?????????????4-20mA%?????????
6?????Χ??????????????1nF~10mF??
7???????????????????????????????????
8?????е??衢??????λ???????????????????
9?????е??????????????????????????????????
10??????9????????????????????????
11????41??????????????32?ο??????????????
12?????/??????????????????????????
13???????????С??????????????
14?????????????????????
15??????????洢????????洢3500??????????
16???????USB?????PC????????????????????FaithTech View??
17????????????????????????
18??????1?SIBA??????????, ????????????????????????
19????????????????????Ч???????????????????

????

FT338???????????????Ч??????

???? ????????

?κν?????????????????	???1000 V??????Ч?1000V??
????????	????IEC61010??1??1000V??????????????????????IEC664-1??600V?????????????????????*??
???	UL??CE??CSA??TUV??VDE??
???????	8KV???(????IEC 1010.1-92)??
?????	mA???A??????0.5A ??1000V??????????????
?????	A??????10A??1000V???????????
IP???	IP52???????????
????[1] ???????????????????????????????????????????????
????????????豸??????????豸????????????豸??????????
????????????豸??????????????豸???????????????????豸???

????? ????λ????

?????	????
??????	0V??1000V
?????????????Ч???	50mV??750V?????20kHz????
??????????????Ч???	0??10A?????????20A?????30??
???????	0??10A?????????20A?????30??
????	0??40M??
?????	400??
??????	H1~H4??L1~L4??oFF??
????	1nF??10mF
?????????	2.4V
???	-40????1000?棨-40?H??1832?H??
???	5Hz??400kHz
???	????????3000???????????(LOGGING)?洢???й????????
????	??????洢?????????????500??????????????????(VIEWMEM)????????????????Щ????

??????????????

?????(LCD)	?????40000?????????????
	??????4?Ρ?
	??? ??41?????ζΣ???????32?Ρ?
???????	-20????+55??
?洢???	-40????+60??
??????	0.05??(????????)/ ??????(С??18??????28??)
??????	0%??90%(0????35??)
??????	0%??70%(35????55??)
????	??????0~3000??
????	???棺5000??
???????	4AA???????NEDA??15A??LR6
???????	300С??????(???????USB??????)
??е????	????MIL-T-PRF 28800 ??II?????
????????(EMC)	????????????????EN61326-1?????????
????С	205x95x50mm
????	?500g
????????	????
У?????	???

????? ?????????

????	???
????????	40??000????????
?????????	????????????41?Σ?????????32?Ρ?
??????	???а????????????????????????????????
???????	????????????????-??????
AC????Ч???AC??Ч???????????0kHz	?????AC??????
?????/??·????	????????????????????????????????·??·??
MIN MAX??	????????С????????
???????У?	?????????????
???/???????	??????????????????????У??Ч??
??????????	????????

????? ???????????

???????У??????????Ч??????????18??C??28??C?????????0%??95%??
??????????????????????(?????????+????????)???????????????????????????????????????磬?????????????????????????0.03%?????????????100.00V???????????????????????????99.97V??100.03V????????????????????????????????У????????????????????????????????Χ(digits,????????д?d)?? ?????????????????????????????λ???????????????Χ?????磬?????????????0.5%+2d????????100.0V??????????????????????????99.48V??100.52V???????????????AC mV??????????????AC V???????????????AC ??A????????????????AC mA??????????????AC A????????????????????Ч??????????????5%??100%??????????????????????????3.0???????????6.0??750V????????????????????????1.5???????3.0????

????	????	?????	?????
			20Hz-45Hz	45Hz-200Hz	200Hz-440Hz	440Hz-1kHz	1k-10kHz	10kHz~20kHz
??????????[1]	40.000mV	0.001mV	2%+80d	0.6%+40d			5%+40d	6%+40d
	400.00mV	0.01mV					1.5%+40d	2%+40d
??AC mV??	????????		2%+80d	0.4%+40d	+0.6%+40d	δ???		δ???
					??3.6%??40d [2]
?????????[1]	4.0000V	0.0001V	2%+80d	0.6%+40d			1.5%+40d	2%+40d
	40.000V	0.001V
	400.00V	0.01V
	750.0V	0.1V
??AC V??	????????		2%+80d	0.4%+40d	+0.6%+40d	δ???		δ???
					??3.6%??40d [2]
?????????(AC ??A)	400.00??A	0.01??A	1.5%+20d	0.75%+20d			5%+40d
	4000.0??A	0.1??A	1.5%+5d	0.75%+10d			1.5%+20d
??????????	40.000mA	0.001mA	1.5%+20d	0.75%+20d			5%+40d
(AC mA)	400.00mA	0.01mA	1.5%+5d	0.75%+10d			1.5%+20d
????????	4.0000A	0.0001A	2%+20d	1.5%+20d			δ???
(AC A)	10.000A	0.001A	2%+5d	1.5%+10d
????[1]??4??000?????????????????Ч??λ?????????????????10??								?
[2] ?????????????????????????????????????????????????200Hz ??? -0.4 % ????? 440Hz ??? -2.4% ??

????	????	?????	?????
?????????	40. 000mV	0.001mV	0.1%+40d
??DC mV??	400.00mV	0.01mV	0.04%+6d
????????	4.0000V	0.0001V	0.03%+20d
	40.000V	0.001V	0.03%+10d
	400.00V	0.01V	0.1%+6d
??DC V??	1000.0V	0.1V	0.1%+6d
????????	400.00??A	0.01??A	0.3%+40d
??DC ??A??	4,000.0??A	0.1??A	0.3%+10d
?????????	40.000mA	0.001mA	0.25%+20d
(DC mA)	400.00mA	0.01mA	0.25%+10d
???????	4.0000A	0.0001A	0.5%+20d
??DC A??	10.000A[1]	0.001A	0.5%+10d
4-20mA??%	100%	0.01 mA	1.0%+50d
????[1]10A?????????35?棩??????10????35????55?檔20?????????????30?????????????????

????	????	?????	?????
????[1]	400.00??	0.01??	0.30%+10d[3]
	4.0000k??	0.0001k??	0.30%+2d
	40.000 k??	0.001k??	0.30%+2d
	400.00 k??	0.01k??	0.30%+2d
	4.0000M??	0.0001M??	0.30%+4d[2]
	4.000M????40.00M??	0.01M??	1. 50%+4d[2]
????[1]??4??000?????????????????Ч??λ?????????????????10??
[2]?????????70???????????????????????????
[3]?????????

????	????	?????	?????
????	1000nF	1 nF	1%+10d
	10.00??F	0.01??F
	100.0??F	0.1??F
	1,000??F	1??F
	10mF	0.001mF
?????????[1]	2.4000??	0.0001V	2??+20d
????[1]??4??000?????????????????Ч??λ?????????????????10??

????	????	?????	?????
???	400.00Hz	0.01Hz[1]	0.01%+8d
	4.0000kHz	0.0001kHz
	40.000kHz	0.001kHz
	400.00kHz	0.01kHz
???	-40~+1000??	0.1??	??????????1??+1?棩[2]
???	-40~+1832?H	0.2?H	??????????1??+1.8?H??[2]
MIN MAX AVG	?????250mS????80????		???????250ms??仯???????????????????12d????????????350ms??仯??????????????25??????????????40d??
??????[1] ??2.4Hz???μ??????????
[2] ????????????軷?????????????????1?檔

???????????????????

????????	?????V AC??????????????????????[1]
????????	5Hz??100kHz	400kHz
40mV	4mV	8mV
400mV	8mV	8mV
4V	0.04V	0.1V
40V	0.5V	0.8V
400V	4V	10V
750V	40V	20V
????[1]???????????????????????????

????????????(A??mA????A)

????	????	???????????????
mA-??A	400.00??A	101??V/??A
	4,000??A	101??V/??A
	40.000mA	1.9mV/mA
	400.00mA	1.9mV/mA
A	4.0000A	0.2V/A
A	10.000A	0.6V/A

??????????????

?????	?????跡
Volts , mV	10M??
	????????				??????????
DC Volts , mV	>100 dB??(??dc,50HZ)				>90 dB??(??dc,50HZ)
AC Volts , mV	>90 dB??dc??60HZ
	??·??????				???????
					??4M??	40M??
Ohms	<4V				400mV	2.4V
?????????	<4V				2.4V
	?????·????
	400??	4K??	40K??	400K??	4M??	40M??
Ohms	300uA	300uA	30uA	6uA	600nA	600nA
?????????	1mA???????

????

1??FT338?????????Ч????????
2?????????????????
3??????????
4??????????????
5????????????
6??USB?????????
7??5??AA??????
8??K?????????
9??????????
10??????????
11?????????

???FT335?????????Ч????????FT338?????????Ч?????????
??????	???FT335?????????Ч??????	???FT338?????????Ч??????
???λ????????????????????????????	??????	??????
????????????????????????????	??	??
??????????	??	??

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FT338???????????????Ч??????