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華測(cè)工頻介電常數(shù)及介質(zhì)損耗測(cè)試儀HCJDCS-G
一、華測(cè)工頻介電常數(shù)及介質(zhì)損耗符合標(biāo)準(zhǔn):?
? ? ? GBT
1409-2006測(cè)量電氣絕緣材料在工頻、音頻、高頻(包括米波波長(zhǎng)在內(nèi))下電容率和介質(zhì)損耗因數(shù)的推薦方法。
? ??
二、華測(cè)工頻介電常數(shù)及介質(zhì)損耗產(chǎn)品概述: ? ?
1、主要用于測(cè)量高壓工業(yè)絕緣材料的介質(zhì)損失角的正切值及電容量。主要可以測(cè)量電容器、互感器、變壓器、絕緣紙、電容器薄膜等各種電工油及各種固體絕緣材料在工頻高壓下的介質(zhì)損耗(tgδ)和電容量(
Cx),其測(cè)量線路采用“正接法”即測(cè)量對(duì)地絕緣的試品。由于電橋內(nèi)附有一個(gè)2500KV的高壓電源及一臺(tái)高壓標(biāo)準(zhǔn)電容器,并將副橋和檢流計(jì)與高壓電橋有機(jī)的結(jié)合在一起,特別適應(yīng)測(cè)量各類絕緣油和絕緣材料的介損(tgδ)及介電常數(shù)(ε)。
2、橋體本身帶有5kV/100pF標(biāo)準(zhǔn)電容,測(cè)量材料介損更為方便。
3、橋體內(nèi)附電位跟蹤器及指另儀,外圍接線及少。
4、橋體采用了多樣化的介損測(cè)量線路。?
三、華測(cè)工頻介電常數(shù)及介質(zhì)損耗技術(shù)參數(shù):
1、測(cè)量范圍及誤差?
? ? ? ? ? ? ? ?在Cn=100pF
? ?R4=3183.2(Ω)(即10K/π)時(shí)
測(cè)量項(xiàng)目 測(cè)量范圍 測(cè)量誤差
電容量Cx 40pF--20000pF ±0.5% Cx±2pF
介質(zhì)損耗tgδ 0~1 ±1.5%tgδx±1×10-4
? ? ? ? ? ? ?在Cn=100pF ?
?R4=318.3(Ω)(即1K/π)時(shí)
測(cè)量項(xiàng)目 測(cè)量范圍 測(cè)量誤差
電容量Cx 4pF--2000pF ±0.5% Cx±2pF
介質(zhì)損耗tgδ 0~0.1 ±1.5%tgδx±1×10-4
?
Cx=R4×Cn/R3
tgδ=ω?R4?C4
高壓電源技術(shù)特性
電壓輸出:0~2500V/50Hz
高壓電流輸出:0~20mA
內(nèi)置標(biāo)準(zhǔn)電容器
電容量的名義值為100pF
tgδ小于5×10-5
固體絕緣材料測(cè)試電極
本電極適用于固體電工絕緣材料如絕緣漆、樹脂和膠、浸漬纖制品、層壓制品、云母及其制品、塑料、電纜料、薄膜復(fù)合制品、陶瓷和
玻璃等的相對(duì)介電系數(shù)(ε)與介質(zhì)損耗角正切值(tgδ)的測(cè)試。本電極主要用于頻率在工頻50Hz下測(cè)量試品的相對(duì)介電系數(shù)(ε)和介質(zhì)損耗角正切值(tgδ)。本電極的設(shè)計(jì)主要是參照國標(biāo)GB1409-2006。
本電極采用的是三電極式結(jié)構(gòu),能有效的消除表面漏電流的影響,使測(cè)量電極下的電場(chǎng)趨于均勻電場(chǎng)。?
主要技術(shù)指標(biāo)
高低壓電極之間距離:0~14mm可調(diào)
測(cè)量極直徑:¢38±0.1mm
高壓電極直徑:¢56±0.1mm
測(cè)量極與保護(hù)環(huán)間隙為1±0.05
空極tgδ:≤5×10-5
**測(cè)試電壓:2kV
實(shí)驗(yàn)頻率:50/60Hz
常溫或耐受溫度200℃(數(shù)字百分表不能加溫)
帶數(shù)字百分表測(cè)量范圍為0~12mm
制作技術(shù)指標(biāo)依據(jù)GB/T1303.2---2009
注:原材料為不銹鋼與聚四氟乙烯,接口為與電橋配套用專用插座(帶專用插頭)。
The frequency of dielectric constant and dielectric loss
tester
A standard:
GBT 1409-2006 measurement of electrical insulating materials at
power, audio, high-frequency (including meter wavelengths)
recommended methods of permittivity and dielectric dissipation
factor.
Two, product overview:
1, mainly used for the measurement of high voltage dielectric loss
tangent of the angle of industrial insulation value and
capacitance. The main measurement of capacitor, transformer,
transformer, insulation paper, capacitor film and other electrical
oil and all kinds of solid insulating materials in high voltage
under the dielectric loss (TG delta) and capacitance (Cx), the
measuring circuit adopts the "connect" to measure the insulation
test. Due to the high voltage power supply bridge with a 2500KV and
a high voltage standard capacitor, and the pair of bridge and the
galvanometer with high voltage bridge organic unifies in together,
especially suitable for the measurement of dielectric loss of
insulating oil and insulation materials (TG delta) and Permittivity
(epsilon).
2, the bridge itself with 5kV/100pF standard capacitance,
dielectric loss measurement of material is more convenient.
3, the bridge body of potential tracker and other apparatus,
external wiring and less.
4, the bridge using a dielectric loss measuring line variety.
Three, the technical parameters:
1, the measurement range and error
In the Cn = 100pF, R4 = 3183.2 (omega) (10K/ n) time
Measurement error of measurement measuring range
The capacitance of Cx 40pF--20000pF + 0.5% Cx + 2pF
The dielectric loss TG delta 0 ~ 1 + 1.5%tg + 1 * 10-4 X.
In the Cn = 100pF, R4 = 318.3 (omega) (1K/ n) time
Measurement error of measurement measuring range
The capacitance of Cx 4pF--2000pF + 0.5% Cx + 2pF
The dielectric loss TG delta 0 ~ 0.1 + 1.5%tg + 1 * 10-4 X.
Cx = R4 * Cn/R3
Delta = Omega TG? R4? C4
The technical characteristics of the high voltage power
supply
Output voltage: 0 ~ 2500V/50Hz
High voltage current output: 0 ~ 20mA
The built-in standard capacitor
Nominal capacitance value is 100pF
TG is less than 5 * 10-5.
Solid insulating materials testing electrode
The electrode for solid electrical insulating dielectric
coefficient materials such as insulation paint, resin and rubber,
impregnated fiber products, laminated products, mica and its
products, plastic, cable materials, thin film composite products,
ceramics and glass, (E) and dielectric loss tangent (TG delta)
test. The electrode is mainly used for relative dielectric constant
measurement of frequency in the frequency of 50Hz of the sample (s)
and dielectric loss tangent (TG Delta). The design of the electrode
is mainly refer to the national standard GB1409-2006.
The electrode is used in the three pole type structure, can
effectively eliminate the influence of surface leakage current, the
electric field measurement electrode under uniform electric
field.
The main technical indicators
The distance between the high voltage electrode: 0 ~ 14mm
adjustable
Measurement of diameter: 38 + 0.1mm
The high voltage electrode diameter of 0.1mm: 56.
Measurement and protection ring gap is 1 + 0.05
The air is less than 5 * 10-5 TG Delta.
The maximum test voltage: 2kV
Test frequency: 50/60Hz
At room temperature the temperature of 200 DEG C or tolerance
(digital indicator can\'t heating)
With digital dial indicator measuring range is 0~12mm
Production of technical indicators based on GB/T1303.2---2009
Note: the raw material is stainless steel with PTFE, interface and
bridge supporting the use of the special socket (with a special
plug).
華測(cè)工頻介電常數(shù)及介質(zhì)損耗測(cè)試儀HCJDCS-G