Product Handbook 2026 - Volume 1

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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