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120℃。
The primary conductor should be≤120℃.
3. 母排充滿初級(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，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)用戶需要進(jìn)行適當(dāng)調(diào)節(jié)。
Customs can adjustOutput amplitudeof the sensorby needs.
6. 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
| 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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