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Series
DMF

Digital Mass Flow Controller
Programmable, RS485 Interface, up to 500 psig, ±1% Accuracy

SPECIFICATIONS
Service: Clean gases compatible with wetted parts.
Wetted Materials: 316 stainless steel, 416 stainless steel, Viton® O-rings.
Accuracy: ±1% FS including linearity between 59 to 77°F (15 to 25°C) and 10 to 60 psia (0.7 to 4 bar); ±2% FS from 32 to 122°F (0 to 50°C) and 5 to 150 psia (0.3 to 10 bar).
Repeatability: ±0.15% of full scale.
Response Time: 0.6 to 1.0 second to within ±2% of setpoint over 20% to 100% FS.
Output: Linear 0-5 VDC (2000 Ω min. load impedance); 0-10 VDC (4000 Ω min. load impedance).
Maximum Particulate Size: 100 microns.
Temperature Limits: 41 to 122°F (5 to 50°C).
Power Supply: ±15 VDC; 13.5 watts maximum.
Process Connections: 1/4" compression fitting for flow rates ≤50 L/m; 3/8" for flows ≥60 L/m.
Pressure Limits: 500 psig (34.5 bar).
Leak Integrity: 1 x 10-9 sccs of Helium.
Computer Interface: RS-485.
Agency Approvals: CE.

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