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D-60 D-68 D-80 D-70 D-100 D-800 D-200 D-300電壓表

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公司名稱(chēng)中山市泰倫特電子科技有限公司
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更新時(shí)間2024/10/29 8:00:39
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溫控表：計(jì)數(shù)器：旋轉(zhuǎn)警報(bào)器：液位開(kāi)關(guān)

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Thetypesofoperatingprincipleofammeteraretherectifiertypeandthemovingirontype

D-60 D-68 D-80 D-70 D-100 D-800 D-200 D-300電壓表產(chǎn)品信息

The types of operating principle of ammeter are the rectifier type and the moving iron type,
ａnd the rectifier type ammeter has a merit of measuring small current value
compared with moving iron type

ㆍTo deal with current exceeding 5A, use a 5A(1A) meter in combination with a C.T.
ㆍA.C ammeter is used with a current transfomer externally mounted, and it is noted that
  primary current of a current transfomer and a full scale of the meter are identical when used.
ㆍIf the circuit voltage exceeds 500V even when the current is less than 5A use a 5A(1A) meter
  in combination with a C.T to ensure insulation.
ㆍThe scale range of ammeter for motor circuit is extended up to 150%~500% of rated current,
  so that these are proteced from the impact of the starting current and ensured of long life.
ㆍAm expanded scale has the nirmal maximum reading(upper limit of effective measurement range)
  at the app. 65% point on the scale, and the rest of it(65%~99%) is devoted to
  extension reading.(tolerance of extension area : ±5%)


형 식	직결사용		CT 사용

	최저측정치	최대측정치	최저측정치	최대측정치

rectifier type	100mA	30A	* / 1A	* / 5A

iron type	30mA	30A	* / 1A	* / 5A