介電常數(shù)測(cè)試儀、介質(zhì)損耗測(cè)試儀 GDAT-A
品 牌:北廣精儀
顯示方式:數(shù)字顯示
符合國(guó)標(biāo):GB/T 1409-2006
適用材料:固體絕緣材料
消耗功率:約25W;
凈 重:約7kg;
外型尺寸:380×132×280mm
整機(jī)精度:≤2%
介電常數(shù)測(cè)試儀、介質(zhì)損耗測(cè)試儀概述:
介質(zhì)損耗和介電常數(shù)是各種電瓷、裝置瓷、電容器等陶瓷,還有復(fù)合材料等的一項(xiàng)重要的物理性質(zhì),通過(guò)測(cè)定介質(zhì)損耗角正切tanδ及介電常數(shù)(ε),可進(jìn)一步了解影響介質(zhì)損耗和介電常數(shù)的各種因素,為提高材料的性能提供依據(jù);儀器的基本原理是采用高頻諧振法,并提供了,通用、多用途、多量程的阻抗測(cè)試。它以單片計(jì)算機(jī)作為儀器的控制,測(cè)量核心采用了頻率數(shù)字鎖定,標(biāo)準(zhǔn)頻率測(cè)試點(diǎn)自動(dòng)設(shè)定,諧振點(diǎn)自動(dòng)搜索,Q值量程自動(dòng)轉(zhuǎn)換,數(shù)值顯示等新技術(shù),改進(jìn)了調(diào)諧回路,使得調(diào)諧測(cè)試回路的殘余電感減至zui低,并保留了原Q表中自動(dòng)穩(wěn)幅等技術(shù),使得新儀器在使用時(shí)更為方便,測(cè)量值更為精確。儀器能在較高的測(cè)試頻率條件下,測(cè)量高頻電感或諧振回路的Q值,電感器的電感量和分布電容量,電容器的電容量和損耗角正切值,電工材料的高頻介質(zhì)損耗,高頻回路有效并聯(lián)及串聯(lián)電阻,傳輸線的特性阻抗等。
技術(shù)指標(biāo) :
1.Q值測(cè)量
a.Q值測(cè)量范圍:5~999。
b.Q值量程分檔:30、100、300、999、自動(dòng)換檔。
c.標(biāo)稱誤差
頻率范圍:25kHz~10MHz;
固有誤差:≤5%±滿度值的2%;工作誤差:≤7%±滿度值的2%;
頻率范圍:10MHz~50MHz;
固有誤差:≤7%±滿度值的2%;工作誤差:≤10%±滿度值的2%。
2.電感測(cè)量
a.測(cè)量范圍:0.1μH~1H。
b.分 檔:分七個(gè)量程。
0.1~1μH, 1~10μH, 10~100μH,
0.1~lmH, 1~10mH, 10~100mH, 100 mH~1H。
3.電容測(cè)量
a.測(cè)量范圍:1~460pF(460pF以上的電容測(cè)量見(jiàn)使用規(guī)則);
b.電容量調(diào)節(jié)范圍
主調(diào)電容器:40~500pF;
準(zhǔn) 確 度:150pF以下±1.5pF;150pF以上±1%;
微調(diào)電容量:-3pF~0~+3pF;
準(zhǔn) 確 度:±0.2pF。
4.振蕩頻率
a.振蕩頻率范圍:25kHz~50MHz;
b.頻率分檔:
25~74kHz, 74~213kHz, 213-700kHz, 700kHz~1.95MHz,
1.95MHz~5.2MHz, 5.2MHz~17MHz, 17~50MHz。
c.頻率誤差:2×10±1個(gè)字。
5.Q合格指示預(yù)置功能,預(yù)置范圍:5~999。
6.儀器正常工作條件
a. 環(huán)境溫度:0℃~+40℃;
b.相對(duì)濕度:<80%;
c.電源:220V±22V,50Hz±2.5Hz。
7.試樣尺寸
圓片形:厚度2+0.5mm,直徑為Φ30~40mm(ε<12時(shí)),Φ25~35mm(ε=12~30時(shí)),Φ15~20mm(ε>30時(shí))
標(biāo)準(zhǔn)配置:
高配Q表 一只 /試驗(yàn)電極 一只 (c類)/電感 一套(9只)/電源線 一條
說(shuō)明書(shū) 一份
合格證 一份
保修卡 一份
項(xiàng) 目 | GDAT-A |
頻率范圍 | 10kHz~50MHz |
頻率分段 (虛擬) | 10~99.9999kHz 100~999.999kHz 1~9.99999MHz 10~60MHz |
頻率指示誤差 | 3×10-5±1個(gè)字 |
概述
Summary
介質(zhì)損耗和介電常數(shù)是各種電瓷、裝置瓷、電容器等陶瓷,還有復(fù)合材料等的一項(xiàng)重要的物理性質(zhì),通過(guò)測(cè)定介質(zhì)損耗角正切tanδ及介電常數(shù)(ε),可進(jìn)一步了解影響介質(zhì)損耗和介電常數(shù)的各種因素,為提高材料的性能提供依據(jù);儀器的基本原理是采用高頻諧振法,并提供了,通用、多用途、多量程的阻抗測(cè)試。它以單片計(jì)算機(jī)作為儀器的控制,測(cè)量核心采用了頻率數(shù)字鎖定,標(biāo)準(zhǔn)頻率測(cè)試點(diǎn)自動(dòng)設(shè)定,諧振點(diǎn)自動(dòng)搜索,Q值量程自動(dòng)轉(zhuǎn)換,數(shù)值顯示等新技術(shù),改進(jìn)了調(diào)諧回路,使得調(diào)諧測(cè)試回路的殘余電感減至zui低,并保留了原Q表中自動(dòng)穩(wěn)幅等技術(shù),使得新儀器在使用時(shí)更為方便,測(cè)量值更為精確。儀器能在較高的測(cè)試頻率條件下,測(cè)量高頻電感或諧振回路的Q值,電感器的電感量和分布電容量,電容器的電容量和損耗角正切值,電工材料的高頻介質(zhì)損耗,高頻回路有效并聯(lián)及串聯(lián)電阻,傳輸線的特性阻抗等。
Dielectric loss and dielectric constant is a variety of porcelain, porcelain device, capacitor, etc. ceramic and composite materials, such as an important physical properties, by measuring the dielectric loss angle tan delta and dielectric permittivity (epsilon), further understanding of the factors in the influence of dielectric loss and dielectric constant, in order to improve the properties of materials provides the basis; equipment and the basic principle is using high frequency resonance method, and provides, GM, multi-purpose, multi range impedance test. It to single chip computer as the instrument control, core measurements using digital frequency locking, frequency standard test point automatic setting, resonant point automatic search, Q value range automatic conversion, numerical display and other new technologies, improved the tuning circuit, so as to reduce to a minimum the tuning circuit for testing residual inductance and retains the original Q table in the automatic amplitude stabilizer technology, makes the new instrument in use is more convenient and the measured values are accurate. The instrument can under high frequency test conditions, measurement of high frequency inductive or resonant loop of the Q value, inductance and distributed capacitance of inductor, capacitor of capacitance and loss angle tangent value, electrical materials, dielectric loss in high frequency and high frequency circuit in parallel and series resistance, transmission line characteristic impedance.
用途
purpose
該儀器可以用于科研機(jī)關(guān),學(xué)校,例如一些科研院所,大專院校或計(jì)量測(cè)試部門的實(shí)驗(yàn)室需要用介電常數(shù)測(cè)試儀對(duì)絕緣材料的介電常數(shù)進(jìn)行測(cè)試;同時(shí)也適用于工廠或單位,例如一些工廠對(duì)無(wú)機(jī)非金屬新材料性能的應(yīng)用進(jìn)行研究,另外在電力、電工、化工等領(lǐng)域,如:電廠、*實(shí)驗(yàn)所、變壓器廠、電容器廠、絕緣材料廠、煉油廠等單位對(duì)固體及液體絕緣材料的介質(zhì)損耗和相對(duì)介電常數(shù)ε的質(zhì)量檢測(cè)等等。
The instrument can be used in scientific research institutions, schools, such as some scientific research institutions, universities or test measurement laboratory need test of insulating materials with dielectric constant dielectric tester; it can also be used in factories or units, such as application of some factories of inorganic nonmetal material properties were studied, also in the field of electric power, electrical, chemical, such as: power plants, electric power bureau experiment, transformer factory, capacitor factory, insulation material factory, oil refineries and other units of solid and liquid insulation quality detection of the dielectric loss of the material and the relative dielectric constant and so on.
技術(shù)指標(biāo) :
Technical index:
1.Q值測(cè)量
1.Q value measurement
a.Q值測(cè)量范圍:5~999。
A.Q value measurement range: 5 ~ 999.
b.Q值量程分檔:30、100、300、999、自動(dòng)換檔。
B.Q value range: 30, 100, 300, 999, automatic shift.
c.標(biāo)稱誤差
C. nominal error
頻率范圍:25kHz~10MHz;
Frequency range: 25kHz ~ 10MHz;
固有誤差:≤5%±滿度值的2%;工作誤差:≤7%±滿度值的2%;
Error: less than 5% + full scale value of 2%; error: less than 7% full scale value of 2%;
頻率范圍:10MHz~50MHz;
Frequency range: 10MHz ~ 50MHz;
固有誤差:≤7%±滿度值的2%;工作誤差:≤10%±滿度值的2%。
Error: less than 7% + full scale value of 2%; error: less than 10% full scale value of 2%.
2.電感測(cè)量
2 inductance measurement
a.測(cè)量范圍:0.1μH~1H。
A. measurement range: 0.1 mu H ~ 1H.
b.分 檔:分七個(gè)量程。
B. points: sub seven range.
0.1~1μH, 1~10μH, 10~100μH,
0.1 to 1 mu H, 1 to 10 H, 10 to 100 mu H,
0.1~lmH, 1~10mH, 10~100mH, 100 mH~1H。
0.1 ~ lmH, 1 ~ 10mH, 10 ~ 100mH, 100 mH ~ 1H.
3.電容測(cè)量
3 capacitance measurement
a.測(cè)量范圍:1~460pF(460pF以上的電容測(cè)量見(jiàn)使用規(guī)則);
A. measurement range: 1 ~ 460pF (460pF above the capacitance measurement see the use of rules);
b.電容量調(diào)節(jié)范圍
B. capacity adjustment range
主調(diào)電容器:40~500pF;
The main capacitor: 40 ~ 500pF;
準(zhǔn) 確 度:150pF以下±1.5pF;150pF以上±1%;
Accuracy: 150pF less than + 150pF; 1.5pF + 1%;
微調(diào)電容量:-3pF~0~+3pF;
Fine tuning capacitance: 3pF ~ 0 ~ +3pF;
準(zhǔn) 確 度:±0.2pF。
Accuracy: + 0.2pF.
4.振蕩頻率
4 oscillation frequency
a.振蕩頻率范圍:25kHz~50MHz;
A. oscillation frequency range: 25kHz ~ 50MHz;
b.頻率分檔:
B. frequency division:
25~74kHz, 74~213kHz, 213-700kHz, 700kHz~1.95MHz,
25 ~ 74kHz, 74 ~ 213kHz, 213-700kHz, 700kHz ~ 1.95MHz,
1.95MHz~5.2MHz, 5.2MHz~17MHz, 17~50MHz。
1.95MHz ~ 5.2MHz, 5.2MHz ~ 17MHz, 17 ~ 50MHz.
c.頻率誤差:2×10±1個(gè)字。
C. frequency error: 2 * 10 + 1 words.
5.Q合格指示預(yù)置功能,預(yù)置范圍:5~999。
5.ualified indicator preset function, preset range: 5 ~ 999.
6.儀器正常工作條件
6 instrument normal working conditions
a. 環(huán)境溫度:0℃~+40℃;
A. ambient temperature: 0 degrees to +40;
b.相對(duì)濕度:<80%;
B. relative humidity: <80%;
c.電源:220V±22V,50Hz±2.5Hz。
C. power supply: 220V + 50Hz, 22V + 2.5Hz.
7.試樣尺寸
7 sample size
圓片形:厚度2+0.5mm,直徑為Φ30~40mm(ε<12時(shí)),Φ25~35mm(ε=12~30時(shí)),Φ15~20mm(ε>30時(shí))
Disc thickness: 2+0.5mm, diameter of 30~40mm (E <12), Phi 25~35mm (E =12~30), Phi 15~20mm (E >30)
8.其他
8 other
a.消耗功率:約25W;
A. power consumption: about 25W;
b.凈重:約7kg;
B. net weight: about 7kg;
c. 外型尺寸:(l×b×h)mm:380×132×280。
C. exterior dimension: (L * b * h * mm:380) * 132 * 280.