Dwyer GFM-2111 Gas Mass Flow Meter is a reliable and accurate device for measuring gas flow. With a temperature range of 32 to 122°F (0 to 50°C) and an accuracy of ±1% FS, it ensures precise readings. It features a response time of 2 seconds and supports a voltage range of ±12 VDC. The output includes a linear 0-5 VDC and 4-20 mA signal. The meter is compatible with clean gases and has a 90° tiltable display with a 3-1/2 digit readout. The wetted materials consist of anodized aluminum, brass, 316 SS, and fluoroelastomer o-rings for GFM-1XXX, while the GFM-2XXX model uses 316 SS and fluoroelastomer o-rings. Its maximum pressure limit is 1000 psig (68.9 bar) for GFM-X143, X144, X145 series, and 500 psig (34.5 bar) for the GFM-X143, X144, X145 series. The flow meter provides multiple process connection options based on the desired flow rates. It has a particulate size tolerance of 5 microns, a repeatability of ±0.25% of FS, and a leak integrity of 1 x 10-9 sccs of Helium.