IFM SM2604 - Magnetic-inductive flow meter SMN21XGX50KG/US-100

Precise measurement of flow, consumption and medium temperature.
High accuracy, repeatability and measurement dynamics.
For use in water cooling circuits.
With two precise analogue outputs.
Clearly visible 4-digit LED display

Number of inputs and outputs	Number of analogue outputs: 2
Measuring range	5...600 l/min 0.3...36 m³/h 80...9510 gph 1.3...158.5 gpm
Process connection	threaded connection 2" NPT DN50

Special feature	Gold-plated contacts
Application	empty pipe detection; for industrial applications
Media	conductive liquids; water; hydrous media
Note on media	conductivity: ≥ 20 µS/cm viscosity: < 70 mm²/s (40 °C)
Medium temperature	-10...90 °C 14...194 °F
Pressure rating [bar]	16
Pressure rating [MPa]	1.6
Pressure rating [psi]	232
MAWP (for applications according to CRN) [bar]	16

Operating voltage [V]	18...32 DC;(to SELV/PELV)
Current consumption [mA]	< 150
Protection class	III
Reverse polarity protection	yes
Power-on delay time [s]	5

Inputs / outputs

Number of inputs and outputs	Number of analogue outputs: 2

Outputs

Total number of outputs	2
Output signal	analogue signal
Number of analogue outputs	2
Analogue current output [mA]	4...20; (≤ 22 mA)
Max. load [Ω]	500

Measuring/setting range

Measuring range	5...600 l/min 0.3...36 m³/h 80...9510 gph 1.3...158.5 gpm
Display range	-720...720 l/min -43.2...43.2 m³/h -11410...11410 gph -190.2...190.2 gpm
Resolution	0.5 l/min 0.02 m³/h 5 gph 0.1 gpm
Analogue start point ASP	0...480 l/min 0...28.8 m³/h 0...7610 gph 0...126.8 gpm
Analogue end point AEP	120...600 l/min 7.2...36 m³/h 1900...9510 gph 31.7...158.5 gpm
Low flow cut-off LFC	< 15 l/min < 0.9 m³/h < 240 gph < 4 gpm
In steps of	0.5 l/min 0.02 m³/h 5 gph 0.1 gpm
Measuring dynamics	1:120

Measuring range	-20...80 °C -4...176 °F
Display range	-40...100 °C -40...212 °F
Resolution	0.2 °C 0.5 °F
Analogue start point	-20...60 °C -4...140 °F
Analogue end point	0...80 °C 32...176 °F
In steps of	0.2 °C 0.5 °F

Accuracy / deviations

Accuracy (in the measuring range)	± (0,8 % MW + 0,5 % MEW)
Repeatability	± 0,2% MEW

Temperature drift	± 0,0333 °C / K; ± 0,0599 °F / K
Accuracy [K]	± 1 (25 °C; Q > 15 l/min) / ± 1 (77 °F; Q > 4 gpm)

Response times

Response time [s]	0.35;(dAP = 0)
Damping process value dAP [s]	0...5

Dynamic response T05 / T09 [s]	T09 = 3 (Q > 15 l/min) / T09 = 3 (Q > 4 gpm)

Software / programming

Parameter setting options	display can be deactivated; Display unit; empty pipe detection

Operating conditions

Ambient temperature	-10...60 °C 14...140 °F
Storage temperature	-25...80 °C -13...176 °F
Protection	IP 65; IP 67

Tests / approvals

EMC	DIN EN 60947-5-9
CPA approval	model number 004MI accuracy class - maximum allowable error ± 1,5 % FS Q (min) 0,3 m³/h Q (t) - Q (max) 36 m³/h Medium temperature -10...70 °C Medium temperature 14...158 °F
Shock resistance	DIN EN 60068-2-27 20 g (11 ms)
Vibration resistance	DIN EN 60068-2-6 5 g (10...2000 Hz)
MTTF [years]	85
Pressure Equipment Directive	Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request

Weight [g]	2728
Materials	stainless steel (1.4404 / 316L); stainless steel (1.4571/316Ti ); PEI; FKM; PBT-GF20; TPE-U
Materials (wetted parts)	stainless steel (1.4404 / 316L); stainless steel (1.4571/316Ti ); PEEK; FKM
Process connection	threaded connection 2" NPT DN50

Displays / operating elements

Display	Display unit 6 x LED, green (l/min, m³/h, gpm, gph, °C, °F) function display 1 x LED, yellow (10³) measured values alphanumeric display, 4-digit programming alphanumeric display, 4-digit
Display unit	l/min; m³/h; gpm; gph; °C; °F

Accessories

Items supplied	Label

Remarks	MW = measured value MEW = Final value of the measuring range
Pack quantity	1 pcs.

Electrical connection

Connection	Connector: 1 x M12; coding: A; Contacts: gold-plated

Diagrams and graphs

Pressure loss	dP Pressure loss Q volumetric flow quantity

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SM2604-01 — 10.01.2024 —