詳細(xì)概述：
數(shù)顯式微差壓變送器技術(shù)規(guī)格：
量程 |
LFM110 -1000~+1000Pa 小可設(shè)0~+100Pa LFM112 -10,000~+10,000Pa 小可設(shè)0~+1000Pa LFM116 -100~+100Pa 小可設(shè)0~+10Pa LFM111 -3400~+3400Pa 小可設(shè)0~+100Pa |
精確度 |
±1.0%FS |
壓力單位 |
Pa, mmH2O, mbar, inWG, mmHG, daPa, KPa, hPa |
輸出信號 |
0~5VDC、0~10VDC、4~20mA、RS-485信號 ?。M信號：電流型兩線制、電壓型三線制、電流電壓同時輸出六線制；數(shù)字信號：RS-485四線制） |
電源供應(yīng) |
兩組同時輸出，輸入電壓為16~30VAC/VDC,可配24VDC適配器(3.5×1.35mm)供電 4~20mA（兩線制）輸出，輸入電壓為無極性①的12~30VDC 0~5/10VDC輸出，輸入電壓為16~30 VAC/VDC RS-485輸出，輸入電壓為12~30VAC/VDC |
功耗 |
≤1.5W |
?、?無極性：輸入電壓源接線不分正負(fù)極方向 | |
數(shù)顯式微差壓變送器功能：
響應(yīng)時間 |
0.5s，1s，2s，4s | |
分辨率 |
LFM110 LFM112 |
1Pa,0.1mmH2O,0.01mbar,0.004inWG, 0.007mmHG,0.1dapa,0.001KPa,0.01hPa |
LFM116 |
0.1Pa,0.01mmH2O,0.01mbar,0.01dapa,0.001hPa | |
LFM111 |
1Pa,0.1mmH2O,0.01mbar,0.004inWG, | |
零點校準(zhǔn) |
手動按鍵零點校準(zhǔn) | |
測量介質(zhì) |
空氣和中性氣體 | |
允許過壓 |
15KPa（LFM110）；150KPa（LFM112）；4.5KPa（LFM116）；60KPa（LFM111） | |
使用溫度 |
-10~+60℃ | |
存儲溫度 |
-10~+70℃ | |
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