Technical Data for G C -Series Mass Flow Controllers
0.5sccm – 6000 slm Full Scale
Standard Specifications (Contact for available options.)
Performance  | GC -Series Mass Flow Controller  | 
Accuracy at calibration conditions after tare  | ± 1% of Full Scale  | 
High Accuracy at calibration conditions after tare  | ±0.5% of Full Scale High Accuracy option not available for units ranged under 5 sccm or over 3000 slm  | 
Repeatability  | ± 0.2% Full Scale  | 
Zero Shift and Span Shift  | 0.2% Full Scale / ºCelsius / Atm  | 
Operating Range / Turndown Ratio  | 2% to 100% Full Scale / 50:1 (100:1 optional)  | 
Maximum Controllable Flow Rate  | 100% Full Scale  | 
Maximum Measurable Flow Rate  | 100% Full Scale  | 
Typical Response Time  | <1000 ms  | 
Leakage Rate  | 1×10-9 atm ·cc/s He  | 
Operating Conditions  | GC -Series Mass Flow Controller  | 
Mass Reference Conditions (STP)  | 25ºC & 14.696 psia (standard — others available on request)  | 
Operating Temperature  | 0 to +50 ºCelsius  | 
Humidity Range (Non–Condensing)  | 0 to 90%  | 
Maximum Internal Pressure (Static)  | 145 psi(g)/10bar(g) optional:Max.435psi(g)/30bar(g)  | 
Pressure Differential (Inlet to Outlet)  | Under 500slm:72.5psi(d)/5bar(d); Above 500slm:145psi(d)/10bar(d)  | 
Mounting Attitude Sensitivity  | Full Scale:None  | 
Valve Type  | Normally Closed  | 
Ingress Protection  | IP40  | 
 
 Wetted Materials  | 316L 417J1 Stainless Steel, Viton, Heat Cured Silicone Rubber, Glass Reinforced Polyphenylene Sulfide, Heat Cured Epoxy, Aluminum, Gold, Brass, Silicon, Glass. If your application demands a different material, please contact .  | 
Communications / Power  | GC-Series Mass Flow Controller  | |
Monochrome LCD or color TFT display Integrated multifunction button  | Display Mass Flow, Cumulative Flow, conversion gas coefficient and other functions  | |
Digital Communications Options1  | RS-232 Serial / RS-485 Serial / Modbus RTU / PROFIBUS / EtherNet/IP / DeviceNet / Modbus TCP/IP / EtherCAT / PROFIBUS-DP  | |
Analog Signal2 Options  | 0-5 Vdc / 1-5 Vdc / 0-10 Vdc / 4-20 mA  | |
Optional Secondary Output Signal2  | 0-5 Vdc / 1-5 Vdc / 0-10 Vdc / 4-20 mA  | |
Electrical Connection Options  | 9-pin D-sub (DB9) / 15-pin D-sub (DB15) / RJ11  | |
Supply Voltage  | 24 Vdc / ±15Vdc  | |
Supply Current  | under 500slm : 0.50 Amp; above  | 500slm:1 .0Amp  | 
1. The Digital Output Signal communicates Mass Flow, Cumulative Flow. 2. The Analog Output Signal and Optional Secondary Analog Output Signal communicate your choice of Mass Flow, Cumulative Flow.  | ||
Features  | GC-Series Mass Flow Controller  | 
 
 Gas conversion coefficient V2.0  | Gas conversion coefficient provides 60 Preloaded Gas Calibrations: See the following page for a complete list. If your application calls for a gas not on this list, please let us know. We can also calibrate to a wide variety of complex gas mixtures.  | 
Range Specific Specifications
Full Scale Flow Mass Controller 1  | Mechanical Dimensions 2  | Process Connections3  | 
GC-series 0.5-10 sccm  | 
 GC-Standard series and Digital series 4.72”H x 3.15”W x 1.22”D 
 GC-Intelligent series 4.92”H x 3.94”W x 1.14”D  | 
 
 G1/4” Female Thread 
 
 
 G3/8” Female Thread  | 
GC-series 10-100 sccm  | ||
GC-series 100-500 scmm  | ||
GC-series 500-1000 sccm  | ||
GC-series 1000-2000 sccm  | ||
GC-series 2-5 slm  | ||
GC-series 5-20 slm  | ||
GC-series 20-30 slm  | ||
GC-series 30-100 slm  | 
 5.31”H x 4.53”W x 1.38”D  | 
 G3/8” Female Thread  | 
GC-series 100-200 slm  | ||
GC-series 200-300 slm  | ||
GC-series 300-500 slm  | 
 6.30”H x 9.25”W x 2.91”D  | 
 G1/2” Female Thread  | 
GC-series 500-1000 slm  | ||
GC-series 1000-2000 slm  | ||
GC-series 2000-3000 slm  | ||
GC-series 3000-6000 slm  | 6.30”H x 9.25”W x 2.91”Dx2  | Double G1/2”Female Thread  | 
1. Lower Pressure Drops Available mass flow controllers please contact . 2. See drawings for metric equvalents. 3. Compatible with tube, face seal, push connect and compression adapter fittings. VCR and SAE connections upon request.  | ||
 
GC- Standard series and Digital series
0.5sccm-30slm
 
GC- Intelligent series
0.5sccm- 30slm
GC- Standard series and Digital series
30slm-300slm
 
 
GC-Intelligent series
30slm-300slm
 
GC- Digital series 300slm-3000slm
 
GC- Intelligent series
300slm-3000slm
 
 
Appendix: Gas conversion coefficient V2.0
 
*For more single gas coefficients or mixed gas coefficients, please provide the specific heat and density of the gas medium and contact for calculation.
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