北京朗潤達(dá)科貿(mào)有限公司
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北京朗潤達(dá)科貿(mào)有限公司
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所 在 地北京市
聯(lián)系方式：張洋查看聯(lián)系方式
更新時(shí)間：2023-10-25 10:27:54瀏覽次數(shù)：94次
聯(lián)系我時(shí)，請(qǐng)告知來自 儀表網(wǎng)Dwyer 氣體質(zhì)量流量控制器 GFC系列
流量測(cè)量量程可到1000L/min，耐壓到500psi，可帶NIST溯源證書
GFC系列 氣體質(zhì)量流量控制器將節(jié)流裝置和直管傳感器結(jié)合在一起，能夠精確可靠地測(cè)量流量。它不受溫度和壓力變化的影響。GFC質(zhì)量流量控制器帶有PID調(diào)節(jié)和控制閥門能夠保持流量恒定，流量設(shè)定點(diǎn)可以在現(xiàn)場(chǎng)或遠(yuǎn)程采用電位計(jì)通過0-5VDC或4-20mA信號(hào)來設(shè)置。采用3位半數(shù)顯顯示氣體流量，可90度旋轉(zhuǎn)的LCD顯示。和GFT悉尼流量積算器配合使用可積算流量。GFC帶有NIST溯源證書。
產(chǎn)品規(guī)格：
Service: Clean gases compatible with wetted parts.
Wetted Materials: GFC-1XXX: anodized aluminum, brass, 316 SS and fluoroelastomer o-rings; GFC-2XXX: 316 SS and fluoroelastomer o-rings.
Accuracy: ±1.5% FS including linearity over 59 to 77°F (5 to 25°C) and 5 to 60 psia (0.35 to 4 bar).
Repeatability: ±0.5% of full scale.
Response Time: 2 seconds to within ±2% of actual flow.
Output: Linear 0-5 VDC and 4-20 mA.
Maximum Particulate Size: 5 microns.
Temperature Limits: 32 to 122°F (0 to 50°C).
Power Supply: ±12 VDC.
Process Connections: 1/4" compression fitting for flow rates ≤50 L/m; 3/8" for 100 and 200 L/m; 1/2" for 500 L/min; 3/4" for 1000 L/min.
Pressure Limits: 500 psig (34.5 bar).
Leak Integrity: 1 x 10-7 sccs of Helium.
Display: 90° tiltable, 3-1/2 digit.
Agency Approvals: CE.
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