LFM11系列微压差变送器适用于暖通空调，工控设备，智能楼宇，测试台等场所的微压差显示和信号采集。它采用高精度微压芯体。可切换多种压力单位，操作简单。?

●?使用压力值可以通过LFM11系列产品内置的拨码开关进行现场设定●?量程：0?~?±10Pa/0?~?±10,000Pa多种量程范围可选●??精度：±1.0%FS●?多种压力单位可切换●?LCD背光数字显示屏●?开机自动零点校准●?手动按键压差零点校准● ABS工业塑料外壳，IP65防护等级●?旋转方式固定于安装背板

?技术规格量程LFM110??-1000~+1000Pa小可设0~+100PaLFM112??-10,000~+10,000Pa?? ??小可设0~+1000PaLFM116??-100~+100Pa小可设0~+10PaLFM111 -3400~+3400Pa ? ? ? 小可设0~+100Pa精确度±1.0%FS压力单位Pa, mmH2O, mbar, inWG, mmHG, daPa, KPa, hPa输出信号0~5VDC、0~10VDC、4~20mA、RS-485信号（模拟信号：电流型两线制、电压型三线制、电流电压同时输出六线制；数字信号：RS-485四线制）电源供应两组同时输出，输入电压为16~30VAC/VDC,可配24VDC适配器(3.5×1.35mm)供电4~20mA（两线制）输出，输入电压为无极性①的12~30VDC0~5/10VDC输出，输入电压为16~30 VAC/VDCRS-485输出，输入电压为12~30VAC/VDC功耗≤1.5W①?无极性：输入电压源接线不分正负极方向变送器功能响应时间0.5s，1s，2s，4s?分辨率LFM110LFM1121Pa,0.1mmH2O,0.01mbar,0.004inWG,0.007mmHG,0.1dapa,0.001KPa,0.01hPaLFM1160.1Pa,0.01mmH2O,0.01mbar,0.01dapa,0.001hPaLFM1111Pa,0.1mmH2O,0.01mbar,0.004inWG,零点校准手动按键零点校准测量介质空气和中性气体允许过压15KPa（LFM110）；150KPa（LFM112）；4.5KPa（LFM116）；60KPa（LFM111）使用温度-10~+60℃存储温度-10~+70℃

机械参数外壳材质：工业塑料防护等级: IP54显?示?屏：背光液晶显示，50×22.5 mm（二线制无背光）数字高度：测量值?10 mm，单位?5 mm压力接口：金属倒刺接口，??6.2 mm电缆接头：电缆大直径??8 mm