Graco G250HR User Manual

Technical Data

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)