Graco G250HR Marine Instruments User Manual


 
Technical Data
16 308778L
Technical Data
* For most commonly used coatings, the flow meter reading will be accurate to within +/- 0.5%. Accuracy will dimin-
ish at low viscosities and low flow rates.
Maximum Fluid Working Pressure
G3000 and G3000HR. . . . . . . . . . . . . . . . . . . . . . .
G250 and G250HR. . . . . . . . . . . . . . . . . . . . . . . . .
4000 psi (28 MPa, 276 bar)
250 psi (1.72 MPa, 17.2 bar)
Flow Range
G3000 and G250 . . . . . . . . . . . . . . . . . . . . . . . . . .
G3000HR and G250HR . . . . . . . . . . . . . . . . . . . . .
0.02-1.0 gal/min (75-3800 cc/min)
0.01-0.5 gal/min (38-1900 cc/min)
Fluid Temperature Range . . . . . . . . . . . . . . . . . . . . . . . 40-180°F (4-80°C)
Maximum Ambient Temperature . . . . . . . . . . . . . . . . . . 180°F (80°C)
Fluid Viscosity Range . . . . . . . . . . . . . . . . . . . . . . . . . . 20-3000 cps (see Pressure Drop Curve on page 17)
Maximum Cable Length . . . . . . . . . . . . . . . . . . . . . . . . 200 ft (61 m)
Flow Meter Inlet/Outlet . . . . . . . . . . . . . . . . . . . . . . . . . 1/4 npt(f)
Resolution
G3000 and G250 . . . . . . . . . . . . . . . . . . . . . . . . . .
G3000HR and G250HR . . . . . . . . . . . . . . . . . . . . .
0.119 cc/pulse
0.061 cc/pulse
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +/- 0.5%*
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-30 Vdc
Intrinsic Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class I; Div. 1; Group D
V max = 30 V
I max = 15 mA
Ci = 0.2 microfarads
Li = 0 mH
Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See front cover
Wetted Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303 Stainless Steel, Tungsten Carbide, PTFE
Weight
G3000 and G3000HR. . . . . . . . . . . . . . . . . . . . . . .
G250 and G250HR. . . . . . . . . . . . . . . . . . . . . . . . .
6 lb (2.7 kg)
2.6 lb (1.8 kg)