產(chǎn)品簡(jiǎn)介
回路電阻測(cè)量是電氣測(cè)試的重要內(nèi)容,根據(jù)《中華人民共和國(guó)電力行業(yè)標(biāo)準(zhǔn)》DL/T845.4-2004的標(biāo)準(zhǔn),參照《電阻測(cè)量裝置通用技術(shù)條件第4部分:回路電阻測(cè)試儀》的要求。本公司研制了全新NAHLY回路電阻測(cè)試儀,可方便地進(jìn)行高低壓開(kāi)關(guān)的主觸頭接觸電阻值、高低壓電纜線(xiàn)路的直流電阻值等純阻性試品的測(cè)量。
本產(chǎn)品使用了高精度、高穩(wěn)定度的直流恒流源,可提供固定直流電流輸出,克服了傳統(tǒng)回路電阻測(cè)量?jī)x需調(diào)節(jié)電流輸出的缺點(diǎn);本產(chǎn)品采用了寬溫帶背光的大屏幕圖形液晶顯示器,而不是傳統(tǒng)的數(shù)碼管顯示方式,可直觀(guān)的顯示漢字,使得儀器操作顯得更加方便、簡(jiǎn)潔;本產(chǎn)品使用了精密儀用運(yùn)算放大器和高精度A/D轉(zhuǎn)換器,結(jié)合高性能十六位單片機(jī),確保了該產(chǎn)品的測(cè)試準(zhǔn)確度;本產(chǎn)品還設(shè)計(jì)了實(shí)時(shí)日歷時(shí)鐘、數(shù)據(jù)存儲(chǔ)、打印以及保護(hù)等功能,使得該產(chǎn)品功能更加完備,性?xún)r(jià)比更高。
產(chǎn)品別名
回路電阻測(cè)試儀、接觸電阻測(cè)試儀、開(kāi)關(guān)回路電阻測(cè)試儀、接觸回路電阻測(cè)試儀、接觸(回路)電阻測(cè)試儀
產(chǎn)品特性
1.大電流:采用**電源技術(shù),能長(zhǎng)時(shí)間連續(xù)輸出大電流,克服了脈沖式電源瞬間電流的弊端,可以有效的擊穿開(kāi)關(guān)觸頭氧化膜,得到良好的測(cè)試結(jié)果。
2.抗干擾能力強(qiáng):在嚴(yán)重干擾條件下,液晶屏**一位數(shù)據(jù)能穩(wěn)定在±1個(gè)字范圍內(nèi),讀數(shù)穩(wěn)定,重復(fù)性好。
3.使用壽命長(zhǎng):全部采用高精度電阻,有效的消除環(huán)境溫度對(duì)測(cè)量結(jié)果的影響,同時(shí)軍品接插件的使用增強(qiáng)了抗振性能。
4.攜帶方便:體積小、重量輕。
產(chǎn)品參數(shù)
項(xiàng)?目 | NAHLY-100A | NAHLY-200A | NAHLY-100B | NAHLY-200B | NAHLY-300A | NAHLY-600A | |||||||
測(cè)試電流 | 50A,100A | 100A,200A | 50A,100A | 100A,200A | 100A,200A,300A | 100A,200A,300A,600A | |||||||
測(cè)量范圍 | 50A | 0~2000μΩ | 100A | 0~2000μΩ | 50A | 0~4000μΩ | 100A | 0~2000μΩ | 100A | 0~50mΩ | 100A | 0~50mΩ | |
100A | 0~2000μΩ | 200A | 0~2000μΩ | 100A | 0~2000μΩ | 200A | 0~2000μΩ | 200A | 0~25mΩ | 200A | 0~25mΩ | ||
? | ? | ? | ? | ? | ? | ? | ? | 300A | 0~15mΩ | 300A | 0~15mΩ | ||
? | ? | ? | ? | ? | ? | ? | ? | ? | ? | 600A | 0~8mΩ | ||
顯示方式 | 3位半數(shù)字LCD顯示器 | 中英文液晶顯示屏 | |||||||||||
分?辨?率 | 0.1μΩ | 0.01μΩ | 0.1μΩ | ||||||||||
存儲(chǔ)數(shù)據(jù) | 無(wú) | 可以存儲(chǔ)80組測(cè)試數(shù)據(jù) | - | ||||||||||
計(jì)時(shí)功能 | 無(wú) | 帶計(jì)時(shí)功能 | - | ||||||||||
電流顯示 | 不能顯示輸出電流大小 | 可以顯示實(shí)際輸出電流值 | - | ||||||||||
打印功能 | 無(wú) | 帶打印功能 | - | ||||||||||
USB接口 | 無(wú) | 帶USB控制端口 | - | ||||||||||
外接PC | 無(wú) | 能將測(cè)試數(shù)據(jù)直接導(dǎo)入到PC電腦進(jìn)行分析 | - | ||||||||||
測(cè)試精度 | ≤0.5% | ||||||||||||
功??率 | - | 3000W | 6000W | ||||||||||
供電電壓 | AC220×(1±10%)V;50×(1±5%)Hz | ||||||||||||
使用溫度 | 0℃?-?45℃(無(wú)凝露) | ||||||||||||
相對(duì)濕度 | ≤90%RH | ||||||||||||
海拔高度 | 小于1000米 | ||||||||||||
外形尺寸 | 290mm×260mm ×215mm | 360mm×290mm ×245mm | 330mm×280mm ×215mm | 330mm×280mm ×290mm | - | - | |||||||
重?量 | 5.8kg | 9.5kg | 7.7kg | 8.9kg | - | - |
Product introduction
Used for a variety of high voltage circuit breakers (referred to as switch) main contact contact resistance measurements, you canalsotest thehighvoltage cable lines, busbars, weld and any low resistance non-inductive electrical resistance values, etc.
Accordance with the latest standards "JJG1052-2009 loop resistance test procedures" GB50150-91 and DL/T596-1996 therelevantregulations, can be alongstable output of not less than 100A large current, the instrument can not be avoided continuous work and thus can not effectively breakdown "oxide film" of thestate. Usingthe new power andprecisionmeasurement and control circuits combined, making the measurement data with high accuracy and good reproducibility.
Also called?name
Loop resistance tester, contact resistance tester, switch loop resistance tester, the contact loop resistance tester, touch(loop)resistancetester
The Characteristics of the products
1. large electric current: Using the latest Power technology to a long continuous output high current pulsed power to overcomethedrawbacks oftheinstantaneous current can effectively switch contacts oxide film breakdown, get good test results.
2. anti-interference ability: In severe interference conditions, the LCD screen can be stabilized at last a data ±1digit range, the reading isstableand repeatable.
4. long life: all precision resistors, the effective elimination of ambient temperature on measurement results, while enhancing theuseofmilitaryconnectors vibration resistance.
5. Easy to carry: small size, light weight.
The parameters of the products
ITEM? | NAHLY-100A | NAHLY-200A | NAHLY-100B | NAHLY-200B | ||||
Test current | 50A,100A | 100A,200A | 50A,100A | 100A,200A | ||||
Measure range | 50A | 0~2000μΩ | 100A | 0~2000μΩ | 50A | 0~4000μΩ | 100A | 0~2000μΩ |
100A | 0~2000μΩ | 200A | 0~2000μΩ | 100A | 0~2000μΩ | 200A | 0~2000μΩ | |
Display mode | 3 and half LCD display | LCD Display | ||||||
resolution | 0.1μΩ | 0.01μΩ | ||||||
Store data | no | Can store 80 group test data | ||||||
Time function | no | With timing function | ||||||
Current display | Can't display the size of output current | Can display real output current value | ||||||
Print function | no | With print function | ||||||
USB interface | no | with USB interface | ||||||
External connection PC | no | Can download the tested data to PCforanalysis | ||||||
Precision | ≤0.5% | |||||||
Power supply | AC220×(1±10%)V;50×(1±5%)Hz | |||||||
Operation temp | 0℃ - 45℃(no condensing) | |||||||
Relative humidity | ≤ 90%RH | |||||||
Altitude | ≤ 1000m? | |||||||
Out Dimension | 290×260×215mm | 360×290×245mm | 330×280×215mm | 330×280×290mm | ||||
Weight | 5.8kg | 9.5kg | 7.7kg | 8.9kg |