Analog Products - Model 2211

Precise & Affordable Mass Flow Control
The Porter 2200 Series Mass Flow Instruments bring a new dimension to affordable mass flow control. Series 2200 utilizes the same proven thermal sensor assembly, control circuitry and unique laminar flow elements found in the standard Porter mass flow products. 

Model 2201 includes the Porter EPC proportional control valve, the same valve assembly used by many analytical instrument manufacturers for accurate gas flow control. This results in mass flow instruments that are affordable without compromising precision, control integrity or reliability.

SPECIFICATIONS
Flow Capacity
Maximum flows from 40 SCCM to 10 SLPM (based on nitrogen [N2] @ 70°F & 5 PSIG)
Response Time
3 to 4 seconds
Accuracy and Linearity
±2% full scale
Repeatability
Within ±0.2% full scale at any constant temperature within operating temperature range
Rangeability (Control Range)
50:1 (2%-100% full scale)
Ambient & Operating Temperature Range
-10°C to 70°C (+14°F to 158°F)
Maximum Operating Pressure
200 PSIG

Temperature Coefficient
±0.1%/°C
Pressure Coefflcient
±0.1%/atmosphere typical using N2
Setpoint Input/Flow Signal Output
0-5 Vdc (2K ohm minimum load resistance for flow signal output)
Power Supply Requirements (current consumption <250 mAdc)
+12 (±5%) or +15 (±10%) Vdc
+24 Vdc (used for 4-20 mAdc PCB)
Mounting Orientation
Attitude insensitive
Warm-up Time
10 minutes
External Electrical Connector
Nine (9)-pin D-connector
Inlet/Outlet Process Connections
1/8" female NPT

MATERIALS OF CONSTRUCTION
Body
316 Stainless Steel
Valve Base (Body)
Aluminum
Orifice
Brass (Model 2201)
Valve Components (Wetted)
Stainless Steel (Model 2201)
Elastomers (O-rings and Valve Seat)
Buna N, EPDM, Neoprene or Viton®
Process Connections
Nickel-plated brass (inlet) and aluminum (outlet-integral to body)

Viton® - DuPont Dow Elastomers L.L.C.
Specifications subject to change

ORDERING INFORMATION
To order, please specify
• Flow capacity
• Gas type
• Operating temperature
• Inlet (supply) pressure
• Outlet pressure
• Calibration standard (i.e. 0°C, 20°C, 21.1°C or 25°C)
• Elastomer material
• Additional accessories required (e.g., interface module, interconnecting cable assembly, etc.)