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-D50 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-D50 series current sens...
LFA-D50 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-D50 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 參數(shù) | LFA50D50 | LFA75D50 | LFA100D50 | LFA150D50 | LFA200D50 | LFA300D50 | 單位 Unit |
| 額定輸入電流(Ipn) | ±50 | ±75 | ±100 | ±150 | ±200 | ±300 | A |
| 測(cè)量電流范圍(Ip) | ±150 | ±150 | ±200 | ±300 | ±400 | ±450 | 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 | ±30 | ±25 | mV | ||||
| 磁失調(diào)電壓 Magnetic offset voltage | ≤±25 | ≤±20 | 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 | |||||
| 帶寬 Bandwidth | @ -3db DC…50 | KHz | |||||
| 跟隨精度 di/dt | 50 | A/uS | |||||
| 響應(yīng)時(shí)間 | @50A/μS, 10%-90% ≤3 | μS | |||||
| 絕緣電壓 | @ 50HZ,AC,1min 2.5 | KV | |||||
| 使用說(shuō)明 Directions for use |
1. 產(chǎn)品箭頭的方向?yàn)?/span>Ip方向。
It will be in a forward direction when the Ip flows according to the direction of the arrowhead.
2. 初級(jí)導(dǎo)體溫度不應(yīng)超過(guò)120℃。
The primary conductor should be≤120℃.
3. 母排充滿(mǎn)初級(jí)穿孔時(shí)動(dòng)態(tài)表現(xiàn)（di/dt和響應(yīng)時(shí)間）為。
The dynamic performance (di/dt and the response time)is the best when the primary hole is fully filled with the bus bar.
4. 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)
5. 傳感器的輸出幅度可根據(jù)用戶(hù)需要進(jìn)行適當(dāng)調(diào)節(jié)。
Customs can adjustOutput amplitudeof the sensorby needs.
6. 可按用戶(hù)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
| 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～+125 | oC | TS |
| 毛重(約)Mass(approx) | 23 | 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
| 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
| 結(jié)構(gòu)參數(shù) Mechanical dimension(for reference only) |
Remarks：
1. All dimensions are in mm.
2. General tolerance ±1mm
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