福克斯(FAWKES)数显式微差压变送器概述
数显式微差压变送器体积小、重量轻;精度高,可靠性好,过载性能好;具有可调阻尼装置,可以用于脉动流体的测量;变送器采用4~20mA DC标准电流信号输出,二线制工作,带负载、抗干扰的能力强。
数显式微差压变送器技术规格
量程
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LFM110 -1000~+1000Pa 小可设0~+100Pa LFM112 -10,000~+10,000Pa 小可设0~+1000Pa LFM116 -100~+100Pa 小可设0~+10Pa LFM111 -3400~+3400Pa 小可设0~+100Pa |
精确度
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±1.0%FS
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压力单位
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Pa, mmH2O, mbar, inWG, mmHG, daPa, KPa, hPa
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输出信号
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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
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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12~30VDC 0~5/10VDC输出,输入电压为16~30 VAC/VDC RS-485输出,输入电压为12~30VAC/VDC
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功耗
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≤1.5W
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① 无极性:输入电压源接线不分正负极方向 |
数显式微差压变送器功能:
响应时间
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0.5s,1s,2s,4s
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分辨率
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LFM110 LFM112
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1Pa,0.1mmH2O,0.01mbar,0.004inWG, 0.007mmHG,0.1dapa,0.001KPa,0.01hPa
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LFM116
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0.1Pa,0.01mmH2O,0.01mbar,0.01dapa,0.001hPa
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LFM111
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1Pa,0.1mmH2O,0.01mbar,0.004inWG,
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零点校准
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手动按键零点校准
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测量介质
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空气和中性气体
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允许过压
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15KPa(LFM110);150KPa(LFM112);4.5KPa(LFM116);60KPa(LFM111)
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使用温度
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-10~+60℃
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存储温度
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-10~+70℃
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福克斯(FAWKES)数显式微差压变送器安装示意图
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