深圳市信瑞達(dá)電力設(shè)備有限公司
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深圳市信瑞達(dá)電力設(shè)備有限公司
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LFA-B27系列開(kāi)環(huán)型霍爾電流傳感器的初、次級(jí)之間是絕緣的，用于控制、測(cè)量直流、交流和脈沖電流。
LFA-B27系列開(kāi)環(huán)型霍爾電流傳感器的初、次級(jí)之間是絕緣的，用于控制、測(cè)量直流、交流和脈沖電流。
LFA-B27 series current sensor is a open loop device based on the measuring principle of the hall effect, with a galvanic isolation between primary and secondary circuit. It provides accurate electronic measurement of DC,AC or pulsed currents.
| 電參數(shù) Electrical data(Ta=25℃±5℃,RL=2KΩ,CL=10000PF) |
| 型號(hào) Type | LFA50B27 | LFA75B27 | LFA100B27 | LFA200B27 | LFA300B27 | LFA400B27 | LFA500B27 | LFA600B27 | 單位 Unit |
| 額定輸入電流(Ipn) | ±50 | ±75 | ±100 | ±200 | ±300 | ±400 | ±500 | ±600 | A |
| 測(cè)量電流范圍(Ip) | ±150 | ±225 | ±300 | ±600 | ±900 | ±900 | ±900 | ±900 | A |
| 額定輸出電壓 | @Ip=±Ipn±4±1% | V | |||||||
| 電源電壓 | ±15 ±5% | V | |||||||
| 功耗電流 Power Consumption | +18,-10 | mA | |||||||
| 失調(diào)電壓 | ±25 | mV | |||||||
| 磁失調(diào)電壓 | ±30 | ±25 | mV | ||||||
| 失調(diào)電壓溫漂 | ≤±1.5 | ≤±1.0 | mV/℃ | ||||||
| 輸出電壓溫漂 | ≤±1.5 | ≤±1.0 | mV/℃ | ||||||
| 線性度 | @Ip=0-±Ipn ≤1 | %FS | |||||||
| 響應(yīng)時(shí)間 | @50A/μS, 10%-90% ≤3 | μS | |||||||
| 絕緣電壓 | @ 50HZ，AC，1min2.5 | KV | |||||||
| 引線長(zhǎng)度 Wire length | 650～750 | mm | |||||||
| 應(yīng)用 Applications |
交流變速驅(qū)動(dòng)器
AC variable speed drives
直流電機(jī)驅(qū)動(dòng)靜態(tài)轉(zhuǎn)換器
Static converters for DC motor drives
變頻調(diào)速系統(tǒng)
Variable speed drives
電焊機(jī)
Power supplies for welding applications
通訊電源
Battery supplied applications
不間斷電源UPS
Uninterruptible Power Supplies (UPS)
開(kāi)關(guān)電源
Switched Mode Power Supplies(SMPS)
使用說(shuō)明 Directions for use 1. 當(dāng)待測(cè)電流從傳感器穿過(guò)，即可在輸出端測(cè)得電壓大小。(注意：錯(cuò)誤的接線可能導(dǎo)致傳感器損壞) When the current will be measured goes through a sensor,the voltage will be measured at the output end。 (Note:The false wiring may result in the damage of the sensor). 2. 可按用戶需求定制不同額定輸入電流和輸出電壓的傳感器。 Custom design in the different ratedinput current and the output voltage are available.
| 結(jié)構(gòu)參數(shù) Mechanical dimension(for reference only) |
Remarks：
1. All dimensions are in mm.
2. General tolerance ±1mm.
| |
l UL94-V0.
l EN60947-1:2004
l IEC60950-1:2001
l EN50178:1998
l SJ 20790-2000
| 總體參數(shù) General date |
|
| 數(shù)值 Value | 單位 Unit | 符號(hào) Symbol |
| 工作溫度 Operating temperature | -40 to +85 | oC | TA |
| 儲(chǔ)存溫度 Storage temperature | -40 to +125 | oC | TS |
| 毛重(約)Mass(approx) | BS:65/BR:80 | g | M |
| 特性圖Characteristics chart |
脈沖電流信號(hào)響應(yīng)特性 抗脈沖電壓干擾特性
Pulse current signal response characteristicEffects of impulse noise
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