MKS Mass-Flo 1479A, Instruction Manual, Page: 54 / 72

Environmental Specifications Appendix A: Product Specifications
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Environmental Specifications
Storage Humidity Range 0 to 95% relative humidity, non-condensing
Operating Temperature Range 0° to 50° C (32° to 122° F)
Storage Temperature -20° to 65° C (-4° to 149 F)
Electrical Specifications
CE Mark Compliance EMC Directive 89/336/EEC
Input voltage/Current required
Max. at start up (first 5 seconds)
5
Typical at steady state
±15 VDC (±5%) @ 200 mA
±15 VDC (±5%) @ 100 mA
Output impedance < 1 ohm
Output signal/minimum load 0 to 5 VDC into > 10K ohm
Set point command signal (controllers only) 0 to 5 VDC from < 20K ohm
5
Add 100 mA to start up current if the valve is energized.