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-B54系列開(kāi)環(huán)型電流傳感器的初、次級(jí)之間是絕緣的，可用于測(cè)量直流、交流和脈沖電流。The LFA-B54 series current sensor is...
LFA-B54系列開(kāi)環(huán)型電流傳感器的初、次級(jí)之間是絕緣的，可用于測(cè)量直流、交流和脈沖電流。
The LFA-B54 series current sensor is a open loop device based on the measuring principle of the halleffect,with a galvanic isolation between primary and secondary circuit.It provides accurate electronic measurement of DC,AC or pulsed currents.
| 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. 傳感器的輸出幅度可根據(jù)用戶需要進(jìn)行適當(dāng)調(diào)節(jié)。
Customs can adjustOutput amplitudeof the sensorby needs.
3. 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 rated input current and the output voltage are available.
| |
l UL94-V0.
l EN60947-1:2004
l IEC60950-1:2001
l EN50178:1998
SJ 20790-2000
| 電參數(shù) Electrical data(Ta=25℃±5℃,RL=2KΩ,CL=10000PF) |
|
型號(hào) Type | LFA100B54 | LFA200B54 | LFA300B54 | LFA400B54 | LFA500B54 | LFA600B54 | 單位 Unit |
| 額定輸入電流(Ipn) | ±100 | ±200 | ±300 | ±400 | ±500 | ±600 | A |
| 測(cè)量電流范圍(Ip) | ±300 | ±600 | ±900 | ±1000 | ±1000 | ±1000 | 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 | |||||
| 零點(diǎn)失調(diào)電壓 | @Ip=0 ≤25 | mV | |||||
| 磁失調(diào)電壓 | @Ip=±Ipn ≤±30 | mV | |||||
| 失調(diào)電壓溫漂 | @ -40℃～+85℃≤±0.5 | mV/℃ | |||||
| 輸出電壓溫漂 | @ -40℃～+85℃≤±0.5 | mV/℃ | |||||
| 線性度 | @Ip=0-±Ipn ≤1 | %FS | |||||
| 響應(yīng)時(shí)間 | @50A/μS, 10%-90% ≤5 | μS | |||||
| 絕緣電壓 | @ 50HZ,AC,1min 3.0 | KV | |||||
| 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) | 79 | 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
| 結(jié)構(gòu)參數(shù) Mechanical dimension(for reference only) |
Remarks：
1. All dimensions are in mm.
2. General tolerance ±1mm.
| 應(yīng)用 Applications |
l 變頻調(diào)速系統(tǒng)
Variable speed drives
l 電焊機(jī)
Welding machine
l 通訊電源
Battery supplied applications
l 不間斷電源UPS
Uninterruptible Power Supplies (UPS)
l 電化學(xué)
Electrochemical
l 開(kāi)關(guān)電源(SMPS)
Switched Mode Power Supplies(SMPS)
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