|
搜索
搜 索
高等教育領(lǐng)域數(shù)字化綜合服務平臺
j2263布朗動動
寧波浪力儀器有限公司（余姚市朗海科教儀器廠）
2021-08-23
23046尖形布電器
寧波浪力儀器有限公司（余姚市朗海科教儀器廠）
2021-08-23
62098U形管
寧波華茂文教股份有限公司
2021-08-23
多邊形拼接條
寧波華茂文教股份有限公司
2021-08-23
62099Y形管
寧波華茂文教股份有限公司
2021-08-23
29025條形磁鐵
寧波華茂文教股份有限公司
2021-08-23
29030環(huán)形磁鐵
寧波華茂文教股份有限公司
2021-08-23
24001條形磁鐵
寧波華茂文教股份有限公司
2021-08-23
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(jié)構(gòu)的直觀教具，該表有良好的直觀性，高的可見度，操作方便，結(jié)構(gòu)合理，采用優(yōu)質(zhì)磁鋼的內(nèi)磁結(jié)構(gòu)。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(zhì)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(jié)構(gòu)，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
?
杭州電表廠
2021-08-23