詳細概述：
數顯式微差壓變送器技術規格：
| 量程 |
LFM110 -1000~+1000Pa 小可設0~+100Pa LFM112 -10,000~+10,000Pa 小可設0~+1000Pa LFM116 -100~+100Pa 小可設0~+10Pa LFM111 -3400~+3400Pa 小可設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 （模擬信號：電流型兩線制、電壓型三線制、電流電壓同時輸出六線制；數字信號：RS-485四線制） |
|
電源供應 |
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 |
|
① 無極性：輸入電壓源接線不分正負極方向 | |
數顯式微差壓變送器功能：
| 響應時間 |
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 |
手動按鍵零點校準 | |
|
測量介質 |
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℃ | |
