數(shù)顯式微差壓變送器

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(hào)

　　0~5VDC、0~10VDC、4~20mA、RS-485信號(hào)

　　（模擬信號(hào)：電流型兩線制、電壓型三線制、電流電壓同時(shí)輸出六線制；數(shù)字信號(hào)：RS-485四線制）

電源供應(yīng)

　　兩組同時(shí)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

響應(yīng)時(shí)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(diǎn)校準(zhǔn)

　　手動(dòng)按鍵零點(diǎn)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(chǔ)溫度

　　-10~+70℃