交直流超高壓耐壓測(cè)試儀
一、概述
徐吉牌ST2677型 耐壓測(cè)試儀,是交流超高壓安全測(cè)量?jī)x器。該儀器符合GB、HB、IEC、ISO等國(guó)內(nèi)、標(biāo)準(zhǔn),廣泛適用于電子儀器、電力電器設(shè)備、電子元器件、電工器 材、絕緣材料、電線電纜等需要進(jìn)行耐壓測(cè)試的廠礦企業(yè)、計(jì)量與科研單位和電力部門,成為上述單位*的耐壓檢測(cè)設(shè)備。
二、主要性能指標(biāo)
1. 工作環(huán)境要求: 溫度 0─40℃ 相對(duì)濕度 不大于75%
2. 工作電源: AC 220 V±10% 50 Hz±2Hz
3. 輸出電壓: AC 0─50kV 連續(xù)可調(diào)
4. z·ui大輸出電流: AC 0—20mA 連續(xù)可調(diào)
5. 上電方式: 手動(dòng)零位升壓(調(diào)壓必須回到零位才能起動(dòng)升壓)。
6. 過(guò)流報(bào)警方式: 漏電流上限設(shè)定連續(xù)可調(diào),過(guò)流聲光報(bào)警切斷高壓。
7. 定時(shí)時(shí)長(zhǎng): 1─99 s ±5%
8. 系統(tǒng)精度: 輸出電壓 10—50(kV) ±5%
漏電流 1—2—20(mA) ±5%
9. 變壓器功率: 5000 W
10.功耗: 空載150 W z·ui大 1000 W
三、使用前注意事項(xiàng)
ST2677型耐壓測(cè)試儀設(shè)計(jì)時(shí)已充分考慮到安全問(wèn)題,但該儀器能輸出50kV交流高壓,如使用不當(dāng)仍可能造成嚴(yán)重的安全事故,因此使用前必須注意以下幾點(diǎn):
1.除三芯電源線的正常接地外務(wù)必將主機(jī)背后接地端或變壓器的接地端再接一根輔助接地線,使其可靠接大地,若接地不好當(dāng)儀器正常工作時(shí),儀器外殼可能帶電,這對(duì)人體是非常危險(xiǎn)的,同時(shí)也有可能損壞設(shè)備。
2.當(dāng)儀器(含連接電纜、輸出引線)受潮或因外力受損,應(yīng)停止使用。
3.高壓端輸出引線夾與被測(cè)件的連接應(yīng)在關(guān)閉儀器電源后進(jìn)行,千萬(wàn)不能帶電操作。
4.操作人員應(yīng)戴絕緣手套,腳下墊絕緣橡皮墊,人體離高壓變壓器的距離不得小于1米,以防電擊。
5.不要將輸出端與地線人為短路,以免損壞儀器。
6.儀器零位啟動(dòng)特性是指調(diào)壓器旋扭在逆時(shí)針到底的位置,即為零輸出電壓位時(shí)才能啟動(dòng)工作,以避免高壓瞬時(shí)沖擊所產(chǎn)生的不良后果,旋扭回零時(shí)用力應(yīng)適中。
7.測(cè)試的參數(shù)不允許超限,具體是輸出的高壓不大于50kV。
8.測(cè)試場(chǎng)地應(yīng)保證相對(duì)封閉,無(wú)關(guān)人員不要(也無(wú)法)進(jìn)入測(cè)試現(xiàn)場(chǎng)。測(cè)試現(xiàn)場(chǎng)應(yīng)保持干燥,測(cè)試環(huán)境濕度超標(biāo)時(shí)必須停止使用,待對(duì)測(cè)試環(huán)境作除濕處理后再行測(cè)試。測(cè)試現(xiàn)場(chǎng)不可擺放易燃、易爆品,如有意外情況,應(yīng)當(dāng)立即切斷電源。
9.試驗(yàn)人員應(yīng)做好分工,并有專人監(jiān)護(hù)現(xiàn)場(chǎng),隨時(shí)準(zhǔn)備拉閘。
10.升壓速度不能太快,也不能突然切斷電源,當(dāng)電壓升到試驗(yàn)電壓并保持1分鐘后,應(yīng)迅速將電壓降到1/3試驗(yàn)電壓以下,才能拉斷電源。
11.在耐壓試驗(yàn)過(guò)程中,如發(fā)現(xiàn)下列不正常時(shí),應(yīng)立即降壓,切斷電源,停止試驗(yàn)并查明原因:①電壓、電流表變化很大;②發(fā)現(xiàn)絕緣燒焦或冒煙;③被測(cè)產(chǎn)品有不正常聲音。
四、操作說(shuō)明
1. 結(jié)構(gòu)與外型 (圖1 前、后面板圖)
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KuMs44Y72AXv+dwxa8k2bezsGD+km7fuk/+9Xqi8SMH7e4/nt+c227b0xlS/ubJJZdr1D7vmaYhs8jlk/wfvZakI8QPJNggRWN1rV61edjP7qu8L63AXXdYiHqAcnj8Pl5m19hwmFRECsIeEBbvAZdsBgCRECGtxmi0AqxIhJGdfCcBhEiF7zMEdgDITISW2K0sd64xTKAEcLhFScqsc4Hflzsa7MEYAtscpujtgmasipjqwP4+lRca5/VEBUGYrRUi3d1qcNJ5MotxP4uLbwG+0W/S3qyKW5ZbPTz/2azHkctAAPFo6Qh4DZDoXJz/9Ydbufio+Hjfi/LRbCJHte+mqiGU8oL+2jFTGsQKQxlIR0m52i6N6JeJ+Ev/0h1lExGjwX5bnp8VJvRq9ZrvoX48cZN5RmQ/qZR4bAOkttzE1zyOPiLv76Qt/mUU138iY2DP2fwDwkqVmQkbDfjYa/vn2vFKJiGk8vNQmAAAvWPsU3W7vtGjVIqZ3d2EpBgBY1FoR0u5+mp8l82SPCADAIla+Tsjzs2QWfb8y7g8o45gAYN+tFCG907P5EsySARJRnjMmynJtDQA4VCtdJ6RVi7i7uYl/B/aAAACrWWpPSLvTK1r1+RKMAAEA1rHUTEheq0SeRUTjKM6/HP2+j6KYxe31bVwOxQkA8LalImTQ/5YNtjUSAOCgrH2dEACAVYgQACAJEQIAJCFCAIAkRAgAkIQIAQCSECEAQBIiBABIQoQAAEmIEAAgCRECACQhQgCAJJa6gR3v4/zLWfH2o5Zz8fXS3Y0BKBURUlKbjIZtRA0ArMtyDACQhAgBAJIQIQBAEiIEAEhChAAASYgQACAJEQIAJLHWdULanV5x0sxiPJxE/3rkYlgAwMJWnglpN7tFq1mNfJOjAQAOxkozIe3up+Lj8Y/8cC1OAGAFS8+EtDu94uQoj+lkHN8ns22MCQA4AEvPhIyG/Ww0nP9/t3dqHgQAWMm738CujDdTK+OYAGDfvXuElOWW8k/DoyxjeiSKADgErhMCACQhQgCAJEQIAJCECAEAkhAhAEASa50dM+h/ywabGgkAcFDMhAAASYgQACAJEQIAJCFCAIAkRAgAkIQIAQCSECEAQBIiBABIQoQAAEmIEAAgCRECACSx1r1j2J7zL2dF6jEAwDaJkBK6+HqZpR4DAGyb5RgAIAkRAgAkIUIAgCRECACQhAgBAJIQIQBAEiIEAEhChAAASYgQACAJEQIAJCFCAIAkRAgAkIQIAQCSECEAQBIiBABIQoQAAEmIEAAgCRECACQhQgCAJEQIAJCECAEAkhAhAEASIgQASKKaegBlcP7lrEg9BgA4NGZCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIB3k6UeQBmcfzkrUo8BAP7m4uvl3h2zK6kHAAAcJhECACRRTT2AMtnHqS4Adts+bxkwEwIAJCFCAIAkRAgAkIQIAQCSECEAQBIiBABIQoQAAEmIEAAgCRECACQhQgCAJEQIAJCECAEAkhAhAEASIgQASEKEAABJiBAAIAkRAgAkIUIAgCRECACQhAgBAJIQIQBAEiIEAEhChAAASYgQACAJEQIAJCFCAIAkRAgAkIQIAQCSECEAQBIiBABIQoQAAEmIEAAgCRECACQhQgCAJEQIAJCECAEAkhAhAEASIgQASEKEAABJiBAAIAkRAgAkIUIAgCRECACQhAgBAJIQIQBAEiIEAEhChAAASYgQACAJEQIAJCFCAIAkRAgAkIQIAQCSECEAQBIiBABIQoQAAEmIEAAgCRECACQhQgCAJEQIAJCECAEAkhAhAEASIgQASEKEAABJiBAAIAkRAgAkIUIAgCRECACQhAgBAJIQIQBAEiIEAEhChAAASYgQACAJEQIAJCFCAIAkkHAMDhOP9yVewyouvl5mqcewj0QIAO9q1w7ouxpOu8ByDACQhAgBAJIQIQBAEiIEAEhChAAASTg7BgBYWLvTK06aWYyHk+hfj7I//64a+SvnP93d3MS/g1/vI0IAgIW0m92i1axGHtMX/3407Gej4Qvv02lEffYQ4/vf/06EsDTnzK9u166PAPCo3f1UfDzO539Y4ihQP25EPWXJO76LwbOZExHCShxMlyfegF3V7vSKk6M8ppNxXEUjTuqLv99RNWJ6N4nL4eiP44YIAQD+6ukyS7d3uvAvVPXGfOnm6vbldxEhAPCGMsxkvvcY1p3xbje7Rb0aEQ8Pf2xgfSRCAOANKZegH+Nj15bB8w+1+V6QycubWCNcJwQA2IK8UomYzeIvDfL6TMhfzwN+PN3meZPdT+Li22CnSg0A2KxfSzHXUJI86IeerFCHnrPOCoVedTLFe3L+52BQAOWJ5HHhF393+ZBokXImSR84DzPIuIIh7+/m8DAIeokkUes7ifvfGwp394eh7w98nr75lXKn/d7QoAHK78teu2P/PbTMgi5wG3m52iWomYRu2304Wmk3H80x+KEgDYY4P+t2ywgcdErHSKbiUqlYj84T4uLuebUNvNTnHcOorz00phYyoAsIilI2R0PchG18/fNsyiVi8+HNXirNMuVt2smvpiMKk//i7YtfPUASivzV6sLJvPkqwq1QFuVy8EAwC7zBVTAXhXZp15tHSEzC9iVo3p+Cb+HfxadsnzLKKYxt39ZgcIwP4w48xTyy+eTO/jfhZRr+U/39RudopGtRLTuzun7QIAC1lhY+owG10Po3d6VjydUru7uYl/BgIEAFjMqxHy1jm+/W+XWX8LAwIADoO76AIASYgQACAJEQIAJCFCAIAkRAgAkIQIAQCSECEAQBIiBABIQoQAAEm4iy4rcRdMANYlQliau2ACsAmWYwCAJEQIAJCECAEAkhAhAEASIgQASEKEAABJiBAAIAkRAgAkIUIAgCRECACQhAgBAJIQIQBAEiIEAEhChAAASYgQACAJEQIAJCFCAIAkRAgAkIQIAQCSECEAQBIiBABIQoQAAEmIEAAgCRECACQhQgCAJEQIAJCECAEAkhAhAEASIgQASEKEAABJiBAAIAkRAgAkIUIAgCRECACQhAgBAJIQIQBAEiIEAEhChAAASVRTDwAAlnX+5ax47e8uvl5m7zkWVidCANgp51/Oir+FxmOgiJHyEyEA7IRF4+Lx78VI+b0ZIe1OrzhpZjEeTqJ/PfrjG9nufio+Hue/3nA/iYtvA99wADbmrdmPlzyNESGyWW+1QcRiffDXjantZrdoNauRv/b33U/Fx0YR37/fxMXXy+x/Vw8xrTbi/LT76lodACxDRJTLW20Q8StA7m5+9MH3Sdy90AevRki7+6n4eNKI+ivf9nazW7SO8pg+3MfgRwWNhv3s6m4WUa1Gr9kWIgAkd/H1MvvbRlYW91YbRES0m53iuJFHTB9ifD9/2+h6kI3vZhHVWpx1fvXBi8sx7U6vODnKYzoXJ1U04qT+woNq1ajHLG7vf/++DvrfssHynxcAa9rHPRBmQcpjoTZY0osRMhr2s9Fw/v/d3umL9ZjnWUQU8TDN4/Pns+JnFdkTAvBunv6Gb0Pm6x5nQ3xNVrdIG0REjK6HWdTqxYfjahzV7mIQ89WTo3olYvYQk+mvx653dkyWR6uTxe31TVwMR1m72SmOW0dxftothMjuMV1XJl44eclrB9V92ZC56+M/ZKPBf1nMesVJ8zjOj4+LiIjpZBwX/eFv38+1T9Gd3k3icvhjT8hj/RzN13we387u8IQvH3HISxY5QPvt/3e7vjfkvce+zs9N7/SsaFVncXt9E/88naT4XC+unpxRs16EFLO4v3/ha5JVouKC8ABbsUxYCJE/7drXYteW19qdXnFUfWGSIipFpdOIow9XJPX8sSunwnS6szEJcFB2fQaAHVPJIs9e6oRZzGYR+ZNZitVnQmZFTCOPWu2FMCumcXe/8r8cEWmmoD1JgbIzq0HpzYqYFo8nsDw1XyWZPsx+vmXlCBkN+1leOy1O6vXoNdtF//rHmk8jj+nd+NUrqC3qPZ9kuzbVtS0iDIB1jYb9rN44K1r1xs/9ofM9IY2oxzSubn8datbaEzLof8um3U/Fx5PjaJ382v36z7PdrwCQmlmk99P/dplNe6fFSes4zlvzPojpQ3wf3v28wGnEAhHy1sXHRoP/spGrkwGwYTbVltciFyZd5DHOYQHYITaZrkbMlJMIAdhzu3wAFl37TYQAUGrrhsguR9i+EyEAO2aZg/K+HIBXDZF9+fz31dqXbQfg/T0/KD8/0O7jpQeW2ai6j5//PhIhADvq6QH2+SzBvh58F50R2dfPf9+IEIA9cSgH3kP5PA+BCOE3dqED8F5ECD/57QKA9+TsGAAgCRECACQhQgCAJEQIAJCECAEAkhAhAEASIgQASEKEAABJiBAAIAkRAgAkIUIAgCRECACQhAgBAJIQIQBAEiIEAEhChAAASYgQACAJEQIAJCFCAIAkRAgAkIQIAQCSECEAQBIiBABIQoQAAEmIEAAgCRECACQhQgCAJEQIAJCECAEAkhAhAEASIgQASEKEAABJiBAAIAkRAgAkIUIAgCRECACQhAgBAJIQIQBAEiIEAEhChAAASWSpB1AG51/OitRjAIC/ufh6uXfHbDMhAAAArMaMLrvITAgAkIQIAQCSECEAQBIiBABIQoQAAEmIEAAgCRECACQhQgCAJEQIAJCECAEAkhAhAEASIgQASEKEAABJiBAAIAkRAgAkIUIAgCRECACQhAgBAAAAAAAAAAAAAABgd2WpBwDA8tqdXnHSzGI8nET/evTHa3m3d1qcNH6cAFnM4vb6Ni6Hfz4OUnKKLsCOaTe7RatZjfyVv++dnhUn9Yjbq5u4+HqZ/W9cxIfWcXzutot3HSi8QYQA7JB291Px8aQR9VfmNNqdXnFUjZjeTX7OfIwG/2VX9xH1Rj26TSFCeYgQgB3R7vSKk6M8ppNxfJ/MXn5QJYs8i5hOf2+N6WwWUalE47XpE0igmnoAACxmNOxno+H8/7u909dnNIpZzF5pFCgTEQKwT2ZFTCOPWu339Zq8UonIIirmvykRP44Ae2Q07Gfjh4i83oizznz/R7v7qWjVUo8M/iRCAPZM/9tldvVQiQ+t4zj/clZ8bBTx/eohppZpKBnLMQB7qP/tMus/+XO7+6nIo4jxNNmQ4A9mQgAOQL2WRzw8vHhhM0jFTAjAHmk3u0Wr04j6wyQuvg2yiPmZNK3qLG6vTYNQLiIEYI+MrgdZ5L3ipNmI8y9n89N4i2lcvXJ5dwAAODj/B+Q7cJc9mlYBAAAAAElFTkSuQmCC)