2012數(shù)字交流功率表

時(shí)間：2007-5-4閱讀：878

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上海江柏電子科技有限公司
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功率表2012 600v/20a/12kw

本系列數(shù)字位瓦特表具有3個(gè)電壓檔位，3個(gè)電流檔位，及9個(gè)瓦特檔位，適當(dāng)?shù)慕馕龆扰czui合理的價(jià)位是你*的選擇。

產(chǎn)品特點(diǎn)

．基本+/- 0.1%的準(zhǔn)確度
．電壓、電流與瓦特皆為true rms 量測(cè)
．電壓及電流具有手動(dòng)或自動(dòng)的換檔功能，及自動(dòng)換檔之頻率量測(cè)
．使用4 1/2位類比數(shù)位轉(zhuǎn)換器為基準(zhǔn)，提供高準(zhǔn)確度、高解析度及高穩(wěn)定度的量測(cè)
．使用3個(gè)多工的顯示器，可依所需來選擇，且均可選擇所有的量測(cè)功能(vrms, arms, vrms, pf, va, var, hz)
．具有電壓三段、電流三段及瓦特九段的輸入檔位選擇
．自動(dòng)保存關(guān)機(jī)前之設(shè)定狀態(tài)，關(guān)機(jī)后自動(dòng)回復(fù)原先設(shè)定
．輸入電流峰值超過檔位警告

系列規(guī)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,

量測(cè)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)

頻率量測(cè)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

計(jì)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

一般規(guī)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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2012數(shù)字交流功率表

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