Dwyer GFC User Manual
Page 11
7
WETTED MATERIALS:
GFC-110/111/113/114/ GFC-1143/1144/1145: 416 Stainless steel and 316 stainless steel
with VITON
®
O-rings seals; BUNA-N
®
, NEOPRENE
®
or KALREZ
®
O-rings are optional.
GFC-217/237/247/257/267/277: 416 Stainless steel and 316 stainless steel with VITON
®
O-rings seals; BUNA-N
®
, NEOPRENE
®
or KALREZ
®
O-rings are optional.
Dwyer makes no expressed or implied guarantees of corrosion resistance of mass flow
meters as pertains to different flow media reacting with components of meters. It is the
customers sole responsibility to select the model suitable for a particular gas based on
the fluid contacting (wetted) materials offered in the different models.
INLET AND OUTLET CONNECTIONS: GFC-110/111/GFC-113 -
¹/₄" compression fittings.
GFC-114/GFC-1143 -
³/₈" compression fittings.
GFC-1144 - ½ " compression fittings.
GFC-45 -
³/₄" FNPT ports.
Optional fittings are: 1/8" or 3/8" compression fittings and 1/4" VCR
®.
LCD DISPLAY: 3½ digit LCD (maximum viewable digits "1999"), 0.5 inch high characters.
On aluminum or stainless steel models the LCD display is built into the upper block element
and may be tilted over 90 degrees for optimal viewing comfort. Remote or panel mounting
remote reading is optional.
Standard readings are in direct engineering units for the given gas and flow rate (i.e. stan-
dard liters/minute [slpm], standard cubic centimeters/minute [sccm], standard cubic
feet/hour [scfh], etc.). 0 to 100% LCD calibration scaling is available upon request at time
of order. Contact your distributor or Dwyer when non-standard display settings are desired.
TRANSDUCER INTERFACE CABLE: Optional shielded cable is available mating to the GFC
transducer 15-pin "D" connector.
4.1 CE Compliance
Any model GFC bearing a CE marking on it, is in compliance with the below
stated test standards currently accepted.
EMC Compliance with 89/336/EEC as amended;
Emission Standard: EN 55011:1991, Group 1, Class B
Immunity Standard: EN 55082-1:1992