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首页 > 产品中心 > 流量仪表 > 质量流量计 > Dwyer GFM系列气体质量流量计

Dwyer GFM系列气体质量流量计

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Dwyer GFM质量流量计

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流量量程达1000L/min,压力达500psi,可跟踪的NIST
 
 GFM 系列气体质量流量计结合一个直线管状传感器和一个限制流体分子的控制器来提供高精度和重复性。流量比率是虚拟化的不受温度和压力变化的影响。实际流量将以工程单位显示在3位数字,90°旋转的液晶显示屏上。本系列可以与GFT系列流量累计器一起以用于需要测定流量累计的场合。GFM系列产品包括一份NIST跟踪记录证书。
 

 

 

 

规格

 

介质:与接液部件兼容的清洁气体

接液材质: GFM-1XXX: 阳极氧化铝, 铜, 316不锈钢 和Viton® O型密封圈;

  GFM-2XXX: 316不锈钢 和Viton® O型密封圈

精度: 满量程时±1.5%包括线性以上59-77°F (5-25°C) 和5-60psia (0.35-4bar)

重复性: 满量程的±0.5%

反应时间: 实际流量的±2%以内是2秒

输出: 线性0-5VDC和4-20mA

大微粒尺寸: 5微米

工作温度: 32-122°F (0-50°C)

电源: ±12VDC

过程连接: 流速≤50L/m压缩接头是1/4 英寸;100和200L/m是3/8英寸;500L/m是1/2英寸;1000L/m是3/4英寸

压力范围: 500psig(34.5bar)

泄漏率: 氦气的1 x 10-7 sccs

显示器: 90°可倾斜,3-1/2数字

认证: CE

 

 

 

 

 

型号

 

流量范围

流量计

不锈钢

0-10 SCCM

GFM-1101

GFM-2101

0-20 SCCM

GFM-1102

GFM-2102

0-50 SCCM

GFM-1103

GFM-2103

0-100 SCCM

GFM-1104

GFM-2104

0-200 SCCM

GFM-1105

GFM-2105

0-500 SCCM

GFM-1106

GFM-2106

0-1 L/min

GFM-1107

GFM-2107

0-2 L/min

GFM-1108

GFM-2108

0-5 L/min

GFM-1109

GFM-2109

0-15 L/min

GFM-1111

GFM-2111

0-30 L/min

GFM-1131

GFM-2131

0-50 L/min

GFM-1133

GFM-2133

0-100 L/min

GFM-1142

GFM-2142

0-200 L/min

GFM-1143

GFM-2143

0-500 L/min

GFM-1144

GFM-2144

0-1000 L/min

GFM-1145

GFM-2145

 

流量量程是由当氮气在70°F (21°C)@760mmHg的条件下标定的

 

Model Description

GFM-110  1Gas mass flow meter, range 0-10 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1102  Gas mass flow meter, range 0-20 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1103  Gas mass flow meter, range 0-50 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1104  Gas mass flow meter, range 0-100 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1105  Gas mass flow meter, range 0-200 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1106  Gas mass flow meter, range 0-500 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1107  Gas mass flow meter, range 0-1000 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1108  Gas mass flow meter, range 0-2 LPM. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1109  Gas mass flow meter, range 0-5 LPM. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1111  Gas mass flow meter, range 0-15 LPM. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1131  Gas mass flow meter, range 0-30 LPM. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1133  Gas mass flow meter, range 0-50 LPM. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/4" compression fitting.

GFM-1142  Gas mass flow meter, range 0-100 LPM. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 3/8" compression fitting.

GFM-1143  Gas mass flow meter, range 0-200 LPM. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 3/8" compression fitting.

GFM-1144  Gas mass flow meter, range 0-500 LPM. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 1/2" compression fitting.

GFM-1145  Gas mass flow meter, range 0-1000 LPM. Specified flow range is for an equivalent flow of nitrogen at 70°F (21°C) @ 760 mm Hg, 3/4" compression fitting.

附件

GFM系列气体质量流量计

型号GFM-110P,110V电源

型号GFM-220PE,220V电源

型号GFM-CBL4, 3英尺长电缆用于4-20mA输出

型号GFM-CBL5, 3英尺用于0-5VDC输出的延长电缆

型号IO-1,0-5VDC的RS232输入到输出信号调节装置

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