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深圳市信瑞達電力設備有限公司
深圳市信瑞達電力設備有限公司
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更新時間：2023-08-15 17:28:49瀏覽次數(shù)：91次
聯(lián)系我時，請告知來自 化工機械設備網(wǎng)LFB-D51系列閉環(huán)電流傳感器的初、次級之間是絕緣的，具有抗力；用于測量直流、交流和脈動電流。LFB-D51 series curre...
LFB-D51系列閉環(huán)電流傳感器的初、次級之間是絕緣的，具有抗力；用于測量直流、交流和脈動電流。
LFB-D51 series current sensor is closed loop device based on the measuring principle of the hall effect,with a galvanic isolation between primary and secondary circuit. It has strong anti-jamming ability ａnd provides accurate electronic measurement of DC, AC or pulsed currents.
| 電參數(shù) Electrical data(Ta=25℃±5℃, RL=10KΩ, CL=10nF) |
| 型號 Type 參數(shù) | LFB6D51 | LFB10D51 | LFB15D51 | LFB20D51 | LFB25D51 | LFB30D51 | LFB40D51 | LFB50D51 | 單位 Unit |
| 額定輸入電流(Ipn) Rated input (Ipn) | 6 | 10 | 15 | 20 | 25 | 30 | 40 | 50 | A |
| 測量電流范圍(Ip) Measuring range(Ip) | ±15 | ±25 | ±37.5 | ±50 | ±62.5 | ±75 | ±100 | ±125 | A |
| 匝 比 (Np/Ns) Turns ratio(Np/Ns) | 1:1200 | 1:1000 | 1:1125 | 1:1000 | 1:1250 | 1:1125 | 1:1000 | 1:1000 | T |
| 內(nèi)接取樣電阻 | 40.0 | 20.0 | 15.0 | 10.0 | 10.0 | 7.5 | 5.0 | 4.0 | Ω |
| 額定輸出電壓 Rated output | @ Ip=±Ipn±0.8±0.5% | V | |||||||
| 輸出電阻 Output resistance | ≤20 | Ω | |||||||
| 初級引腳尺寸 Size of primary pins | □ 6.28 ×1.0 | mm | |||||||
| 電源電壓(Vc) Supply voltage | +5±5% | V | |||||||
| 功耗電流 Power consumption | ≤15+Ip/Ns | mA | |||||||
| 參考電壓(Vref) Reference voltage | +2.5±0.5%(Output) | V | |||||||
| 參考內(nèi)接電阻 Vref internal resist resistor | 200 | Ω | |||||||
| 外接參考電壓范圍 Vref external range resistor | 2.0-2.8(Input) | V | |||||||
| 零點電壓 | @ Ip=0 +2.5±0.5% | V | |||||||
| 失調(diào)電壓溫漂 Offset drift | @ -40～+105℃≤±0.05 | mV/℃ | |||||||
| 輸出電壓溫漂 | @ -40～+105℃≤±0.05 | mV/℃ | |||||||
| 線性度 Linearity | @ Ip=0-±Ipn ≤0.1 | %FS | |||||||
| 總精度 Total accuracy | ≤±1.0 | % | |||||||
| di/dt 跟隨精度 accurately followed | ＞50 | A/µS | |||||||
| 響應時間 Response time | @ Ip=Ipn, 50 A/µS,10%-90%＜1.0 | µS | |||||||
| 寬帶 Bandwidth | @ -1db DC～100 | KHZ | |||||||
| 絕緣電壓 Galvanic isolation | @ 50HZ,AC,1min 3.0 | KV | |||||||
| 使用說明 Directions for use |
1. 當待測電流從傳感器穿過，即可在輸出端測得電壓大小。(注意：錯誤的接線可能導致傳感器損壞)
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 rated input current and the output voltage 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 Symbol |
| 工作溫度 Operating temperature | -40 to +105 | oC | TA |
| 儲存溫度 Storage temperature | -40 to +125 | oC | TS |
| 毛重(約)Mass(approx) | 12 | g | M |
| 特性圖Characteristics chart |
脈沖電流信號響應特性 抗脈沖電壓干擾特性
Pulse current signal response characteristicEffects of impulse noise
| |
l 變頻調(diào)速系統(tǒng)
Variable speed drives
l 電焊機
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
Electrochemical
l 光伏產(chǎn)品
Solar inverters
| 結構參數(shù) Mechanical dimension(for reference only) |
Remarks：
1. All dimensions are in mm.
2.General tolerance ±1mm.
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