產品詳情
簡單介紹:
MG2000相位表是專為現場測量電壓、電流及相位而設計的一種高精度、低價位、手持式、雙通道輸入測量儀表。
詳情介紹:
MG2000相位表
產(chan)品(pin)別稱(cheng)
數(shu)(shu)字(zi)(zi)雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)伏安表(biao)(biao)(biao) 相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)表(biao)(biao)(biao)、雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)表(biao)(biao)(biao)、雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)伏安表(biao)(biao)(biao)、鉗(qian)(qian)(qian)形(xing)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)表(biao)(biao)(biao)、鉗(qian)(qian)(qian)形(xing)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)伏安表(biao)(biao)(biao)、數(shu)(shu)字(zi)(zi)雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)表(biao)(biao)(biao)、數(shu)(shu)字(zi)(zi)式(shi)(shi)雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)表(biao)(biao)(biao)、低壓伏安相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)檢測表(biao)(biao)(biao)、手持式(shi)(shi)數(shu)(shu)字(zi)(zi)雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)伏安表(biao)(biao)(biao)、雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)式(shi)(shi)數(shu)(shu)字(zi)(zi)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)表(biao)(biao)(biao)、雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)數(shu)(shu)字(zi)(zi)式(shi)(shi)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)表(biao)(biao)(biao)、雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)式(shi)(shi)伏安相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)表(biao)(biao)(biao)、雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)伏安相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)表(biao)(biao)(biao)、數(shu)(shu)顯雙(shuang)(shuang)(shuang)(shuang)鉗(qian)(qian)(qian)相(xiang)(xiang)(xiang)(xiang)(xiang)位(wei)(wei)表(biao)(biao)(biao)<1.1 參(can)比工作條件
(a)環境溫度(du):(23±5)℃
(b)環境濕度:(45~75)% RH
(c)被測信號波形(xing):正(zheng)弦波、β=0.02
(d)被測信號頻率:(50±0.2)Hz
(e)被測載流導線在鉗口中(zhong)的位(wei)置:任意
(f)測量相(xiang)位時(shi)被測信號幅值范圍:100~220V、0.5A~1.5
(g)外(wai)參比(bi)頻率電磁場干(gan)擾:應避免
1.2 基本誤差極限
1.2.1 交(jiao)流電壓(見表(biao)1)
表1:交流電壓測量誤差 |
||
量限(xian) |
分 辨 率 |
基本誤差極限 |
20V |
0.01V |
±(1.2%RD+2) |
200V |
0.1V |
±(1.0%RD+2) |
500V |
1V |
±(1.2%RD+2) |
表(biao)2:交流電流測量誤差 |
||
量限 |
分(fen) 辨 率 |
基本誤差極限 |
200mA |
0.1mA |
±(1.0%RD+2) |
2A |
1mA |
|
10A |
10mA |
U-U、U-I、I-I(見表3)
表3:工(gong)頻(pin)相位測量(liang)誤(wu)差 |
||
范(fan)圍 |
分辨率(lv) |
基本(ben)誤(wu)差極限 |
0~360° |
1° |
±3° |
測(ce)U1-U2相位時電壓輸入回路阻抗:40KΩ
二、 工作誤(wu)差
2.1 額定工(gong)作條(tiao)件
(a)環境溫(wen)度:(0~40)℃
(b)環境濕度(du):(20~80)% RH
(c)被測信號波形:正(zheng)弦波、β=0.05
(d)被測信號頻(pin)率(lv):(50±0.5)Hz
(e)被測載流(liu)導線(xian)在鉗口中的(de)位置(zhi):任意
(f)測(ce)量相(xiang)位時被測(ce)信號幅值范圍(wei)
測U1-U2相位時:30V~500V
測I1-I2 相(xiang)位時:10mA~10.00A
測U1-I2 或 I1-U2 相位(wei)時:10V~500V、10mA~10.00A
(g)外參比頻率電(dian)磁(ci)場干擾(rao):應避免
2.2 額定(ding)工作誤差極(ji)限
在 1.1 所述額(e)定工(gong)作(zuo)條件下(xia),各被測量的額(e)定工(gong)作(zuo)誤差極限不超過(guo)相應基本誤差極限的兩倍。
1、結構精巧(qiao),使用方便
手持式結構;
在10mA-10A電流范圍(wei)內,3V-500V電壓范圍(wei)內測量相(xiang)位時(shi)不用斷(duan)開電路(lu)和更換量限;
開關功(gong)能(neng)及(ji)布局合理,轉動開關即可讀出被測電(dian)(dian)壓(ya)、電(dian)(dian)流及(ji)其(qi)相位。
2、分辨率高
電流分辯(bian)率達(da)0.1mA;電壓分辯(bian)率0.1V。
3、低(di)功耗
該(gai)相位表微功耗設計,且具有電(dian)池電(dian)壓檢測功能。