DFM-4.0DFM-4.0多普勒流量表

Watertight enclosure.

RFI rejection Filters.

Signal strength Indicator.

Backflow protection.

Pipe Range:- >13mm up to 4.5m
Power Input:- 100 –260VAC, 50/60Hz, 12-28VDC 5watts max.
Flow Rate Range:- 0.08m/s to 12m/s
Accuracy:- +/-2% of full scale. Requires solids
or bubbles of minimum size 100 microns,
minimum concentration 75ppm.
Repeatability:- +/- 0.1%.
Linearity:- +/-0.5% of full scale.
Display:- Large 4 Digit LCD for programmable output in engineering units.16-digit alpha numeric for Totaliser, Menu, status, signal strength.
Output:- Isolated 0/4 –20mA(1000ohm load max.) 3-5amp rated SPDT relays, programmable flow
alarms and/or proportional pulse. Adjustable
sensitivity and damping.

Electronics Operating Temp:- -23°C to + 60°C.
Sensor Operating Temp:- -40°C to + 90°C.
Options:- Intrinsic safety barriers, high temp to 150°C, ISE insertion and dual head types for special applications. Enclosure heater controlled to maintain temp. at 40°C
Data logger:- 50,000 points via RS 232 output with Windows software.