Page 38
DFM 5.1 Doppler Flow Meter
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
Optional 9-32VDC, rated 9W (typical 3.7W with standard features)
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 (IP 66) polycarbonate with a clear
shatter-proof face
Environmental Conditions: Relative humidity up to 80% -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
Approximate Shipping Weight: 10 lbs (4.5 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 300°F (-40° to 150°C)
Operating Frequency: 640 KHz
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)
To Next Page
Loading...
