2012数字交流功率表-宣传资料-上海江柏电子科技有限公司手机版

2012数字交流功率表

时间：2007-05-04 阅读：731

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上海江柏电子科技有限公司
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功率表2012 600v/20a/12kw

本系列数字位瓦特表具有3个电压档位，3个电流档位，及9个瓦特档位，适当的解析度与zui合理的价位是你*的选择。

产品特点

．基本+/- 0.1%的准确度
．电压、电流与瓦特皆为true rms 量测
．电压及电流具有手动或自动的换档功能，及自动换档之频率量测
．使用4 1/2位类比数位转换器为基准，提供高准确度、高解析度及高稳定度的量测
．使用3个多工的显示器，可依所需来选择，且均可选择所有的量测功能(vrms, arms, vrms, pf, va, var, hz)
．具有电压三段、电流三段及瓦特九段的输入档位选择
．自动保存关机前之设定状态，关机后自动回复原先设定
．输入电流峰值超过档位警告

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,

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)

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

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

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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