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高等教育領域數(shù)字化綜合服務平臺
演示電表J0401
JO401演示電表是根據(jù)新的教學大綱，為普及九年制義務教育而設計的新型演示電表，可用于測量直流電流、直流電壓、也可作檢流計用，是教學中研究磁電系電表結構的直觀教具，該表有良好的直觀性，高的可見度，操作方便，結構合理，采用優(yōu)質磁鋼的內(nèi)磁結構。使儀表的磁性穩(wěn)定，靈敏度高、重量輕、攜帶方便，表頭采用硅二級管保護電路，可防止過載電流損壞電表，而且具有價廉、物美、質好的特點。 The JO401 Demonstrating Galvanometer is an ideal visual aid specifically esigned according to the devised educatble schema for the 9-years compulsory educational plan .besides working as galvanometer,it is suitable for measuring educational plan.provides such excellence as magnetic stabiliry,high accuit which can prevent damages from overloading .other excellence can be listed as following;visual convenience,openness easily to control, excellent arrangement high and cheap in price etc.
杭州電表廠
2021-08-23
演示電表J0403
JO403高中演示電表為指針或內(nèi)磁結構，及測量線路等部分所組成，共有十四個測量檔位，使用方便，性能穩(wěn)定，安全可靠，供學生教學演示實驗中作檢流計測量微量直流電流及直流電壓，直流電阻等演示項目.
The model JO402 is comprised of inner magnetic structure and measuring Circuit It has such excellence as esily for usage ,stabriitym safety, and visual for demonstration.It provides14measuring ranges and may serve as galvanometer or measuring instrument of DCA DCV ACA and ACV
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杭州電表廠
2021-08-23
演示電表J0402
1. 測量范圍：Measuring Range:DCA:-500uA-0-+500uA 0-10-100mA-1-5A DCV:0-5-10V ACA:0-10-100mA-1-5AACV:0-10-50-250V
2.基本誤差Basic Deviation:±2.5%
3.阻尼時間 Damp time ≤65
4.重量 Weight:1kg
5.外形尺寸：Dimensions:115×270×300mm
J0402 Demonstrating Galvanometer for Middle school(Ammeter &Voltmeter)
高中演示電表為指針式內(nèi)磁結構，及其測量電路等部份所組成。它具有使用方便，性能穩(wěn)定、安全可靠、演示直觀等優(yōu)點。它共有十四檔測量量程，供教學演示實驗中作檢流計，及測量直流電流、直流電壓、交流電流、交流電壓等之用。
The model JO402 is comprised of inner magnet ic structure and measuring Circuit. It has such excellence as easily for usage, stabriity, safety,and visual for demonstration. It provides14 measuring ranges and may serve as galvanometer or measuring instrument of DCA,DVv,ACA and ACV
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杭州電表廠
2021-08-23
平面政區(qū)地球儀
產(chǎn)品詳細介紹
建德市新安江地理模型廠
2021-08-23
平面鏡成像實驗器
寧波浪力儀器有限公司（余姚市朗?？平虄x器廠）
2021-08-23
平面磁感線演示器
小鐵指針和磁鐵，看得見的磁感線。
寧波華茂文教股份有限公司
2021-08-23
平面磁感線演示器
平面240mm×120mm×10mm，鐵粉和磁鐵，看得見的磁感線。
寧波華茂文教股份有限公司
2021-08-23
平面變立體（立體鏡）
120mm×45mm×75mm，由觀察器和反轉片組成，含10種片源，可觀察立體圖像。
寧波華茂文教股份有限公司
2021-08-23
34002平面地形地球儀
寧波華茂文教股份有限公司
2021-08-23
平面與立體磁感線
寧波華茂文教股份有限公司
2021-08-23