VICI 230 Dynacalibrator - Manual (Page 39)


Appendix: Electronic Flow Control Option
Technical Data for Mass Flow Controllers
Specification Mass Controller Description
Accuracy ± (0.8% of reading + 0.2% of full scale) At calibration conditions after tare
High accuracy option ± (0.4% of reading + 0.2% of full scale) At calibration conditions after tare
Repeatability ± 0.2% Full scale
Operating range 1/2% to 100% Full scale
Turndown ratio 200:1
Typical response time 100 Milliseconds (adjustable)
Standard conditions (STP) 25°C and 14.696PSIA Mass reference conditions
Operating temperature -10 to +50 °Celsius
Zero shift 0.02% Full scale/°Celsius/Atm
Span shift 0.02% Full scale/°Celsius/Atm
Humidity range 0 to 100% Non-condensing
Controllable flow rate 102.4% Full scale
Maximum pressure 145 PSIG
Input/Output signal digital Mass flow, volumetric flow, pressure,
and temperature
RS-232 or RS-485 serial or
PROFIBUS or DeviceNet
Input/Output signal analog Mass flow 0-5 VDC
Optional Input/Output signal
secondary analog
Mass flow, volumetric flow, pressure, or
temperature
0-5 VDC or 0-10 VDC or 4-20 mA
Electrical connections 8 pin mini-DIN, DB9, or DB15
Supply voltage 12 to 30 VDC
(15-30 VDC for 4-20 mA outputs)
Supply current 0.250 amp (at 12 VDC, declining with
increased supply voltage)
Mounting attitude sensitivity None
Warm-up time < 1 Second
Wetted materials 303 and 302 stainless steel, Viton®, silicone RTV (rubber), glass reinforced
nylon, aluminum, brass, 430FR stainless steel, silicon, glass