介质:干净兼容的气体.
接液材质:316 SS,416 ss;氟弹性体,Buna-N,EPR或PTFE O-型圈.
精度:±1% FS.
重复性:±0.25% FS.
反应时间:0.6 to 1.0 s to within ±2% of setpoint over 20 to 100% FS.
输出:输出信号:线性0~5 VDC(3000Ω,负载阻抗);0~10 VDC(6000Ω,负载阻抗);4~20 mA(500Ω最大环路电阻)
继电器特性:1 A @ 24 VDC.
最大颗粒:5微米
耐温:环境:32至122°F(0至50°C);干气体:14至122°F(-10至50°C).
电源:12 VDC; ±15 VDC; 24 VDC
过程连接:≤10 L/min:1/8"压缩接头 ; ≤50 L/min:1/4" ; ≤100 L/min:3/8" .
显示:2 x 16数字LCD (可选).
耐压:500 psig (34.5 bar).
抗漏能力:1 x 10-9 smL/sec of helium.
显示:128 x 64 LCD 带背光
重量:1. lb (0.4 kg).
选型表
EXAMPLE | GFM3 | AIR | 010 | 2 | B | A | L | A | A | 2 | Series GFM3-AIR-010-2-B-A-L-A-A-2, Gas Mass Flow Meter |
SERIES | GFM3 | GFM3 Gas Mass Flow Meter | |||||||||
SPECIALTY GAS K FACTOR AND DESIRED GAS | AIR AR C2H2 C3H8 C4H10 CH4 CO CO2 HE HF H2 N2 NH3 O2 SO2 | 1.0000 Air 1.4573 Argon 0.5839 Acetylene 0.3500 Propane 0.2631 Butane 0.7175 Methane 1.0000 Carbon Monoxide 0.7382 Carbon Dioxide 1.4540 Helium 0.9998 Hydrogen Fluoride 1.0106 Hydrogen 1.0000 Nitrogen 0.7310 Ammonia 0.9926 Oxygen 0.6900 Sulfur Dioxide | |||||||||
BODY SIZE | 010 050 100 | Low Flow Medium Flow High Flow | |||||||||
SUPPLY POWER | 2 4 5 | 12 VDC 24 VDC +/- 15 VDC | |||||||||
SEAL MATERIAL | B E T V | Buna-N EPR PTFE Fluoroelastomer | |||||||||
FITTINGS | A B D | 1/4” Compression (low) 1/8” Compression (medium) 3/8” Compression (high) | |||||||||
DISPLAY | L | LCD Display | |||||||||
OUTPUT SIGNAL | A B G | 0-5 VDC 4-20 mA 0-10 VDC | |||||||||
DIGITAL INTERFACE | 2 5 9 | RS232 RS485 Profibus |