Flowmetering Swirl flowmeters 3
Body material: Stainless Steel Body design conditions
All Versions
280 °C (536 °F) -55 °C (-67 °F)
Maximum process temperature
Minimum process temperature
-20 to +85 °C (-4 to +185 °F)
standard
Electronic ambient temperature range*
extended -40 to +85°C (-40 to +185 °F) *temperatures are reduced to +80°C (+176 °F) for remote mount transmitter applications due to the signal cable specification.
Measuring medium temperature Tmedium dependent on the ambient temperature Tamb
Tmedium °F
-67
32
122
212
302
320
392
482
536
185 176 158 140 122 104
85 80 70 60 50 40 30 20 10 0
3.9 5
86 68 50 32 14 -4 (-40)
-10 -20 (-40)
-55
32
50
100
150
160 200
250
280
Tmedium °C
Measuring accuracy - Reference conditions Flow measurement Set flow range
0.5 to 1 x Q vmax DN 20 °C (68 °F) ±2 K
Ambient temperature
Relative humidity
65 %, ±5 %
Air Pressure
86 to 106 kPa
Power supply
12-42 Vdc (4-20mA HART) / 10-30 Vdc (Modbus)
Signal cable length (for remote mount design)
30 m (98 ft)
Current output load
250 Ω (only 4 to 20 mA)
Water, approx. 20 °C (68 °F), 2 bar (29 psi) Air, 960 mbar abs. ±50 mbar (14 psi a ±0.7 psi), 24 °C ±4 °C (75 °F ±7 °F)
Measuring medium for calibration
Calibration loop internal diameter
corresponds to inside diameter of device
Unobstructed straight inlet section*
3 x DN
Outlet section*
1 x DN
Pressure measurement
3 x DN to 5 x DN behind the flowmeter
Temperature measurement
2 x DN to 3 x DN after the pressure measurement
*See IM for specific installation requirements.
TI-P799-01 EMM Issue 1
Page 5 of 14
SLM30-E Swirl Flow Meter
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