SPECIFICATIONS
Flow Rate Range:
-40 to -0.25 ft/sec, +0.25 to
+40 ft/sec (-12.2 to -0.076
m/sec, +0.076 to +12.2
m/sec,) in most applications
Pipe Size:
Any pipe ID from ½ " to 180"
(12.7 mm to 4.5 m)
Accuracy:
±2% of full scale. Requires
solids or bubbles minimum
size of 100 microns, minimum
concentration 75 ppm.
Repeatability: ±0.1%,
Linearity ±0.5% of full scale
Displays:
White, backlit matrix -
displays flow rate, totalizer,
relay states, operating mode
and calibration menu
Calibration:
built-in 5-key calibrator with English, French or Spanish language selection
Power Input:
100-240Vac, 50/60Hz, 30 Watts or 115Vac, 50/60Hz, 30 Watts or 230Vac,
50/60Hz, 30 Watts or 9-32Vdc, 7 Watts max
Output:
Isolated 4-20mA (1000 ohm load max.)
Control Relays:
Qty 2, rated 5 amp 240Vac SPDT, programmable flow alarm and/or
proportional pulse
Enclosure:
watertight, dust tight NEMA4X (IP66) fiberglass with a clear shatter-proof face
Environmental Conditions:
Normal outdoor conditions -23 to 60°C ambient temperature, maximum 5000
m altitude, pollution degree 4, Installation Category II.
Sensitivity:
adjustable. Damping: adjustable
Electrical Surge Protection:
Sensor, 4-20mA output and AC power input
Shipping Weight:
14 lbs (6.3 kg)
SE4 Doppler Sensor
Minimum Pipe Diameter:
0.5" (12.5 mm) ID, 0.6" (15 mm) OD
Maximum Pipe Diameter:
180" (4.5 m) ID
Operating Temperature:
-40° to 200°F (-40° to 93°C)
Operating Frequency:
1.2 MHz
Sensor Housing:
Stainless Steel
Sensor Cable:
20 ft. (6 m) shielded coaxial pair (RG174U)
Optional 50 ft (15 m) or 100 ft (30 m) continuous
Submersion Rating:
Withstands accidental submersion pressure up to 10 psi (0.7 Bar)
Page 38
DFM 5.0 Doppler Flow Meter
7.4 / 188 mm
"
6.46 / 164 mm
"
10.94
"/2
78
m
m
10
/2
54
mm
"
CONDUIT ENTRY
LOCATION
SIDE VIEW
5.12 / 130 mm
"
DFM-5.0
Doppler
Flow Meter
20 ft / 6 m
SIDE VIEW
3.375” / 85 mm
1.375”
35 mm
1.5”
38 mm
END
VIEW
