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IFM SM2604
SM2604
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Description
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
Specification
Product characteristics
| 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 |
| 5...600 l/min | 0.3...36 m³/h |
| Process connection | threaded connection 2" NPT internal thread DN50 |
Application
| 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 |
| -10...90 °C | 14...194 °F |
| Pressure rating | 16 bar 232 psi 1.6 MPa |
| 16 bar | 232 psi |
| MAWP for applications according to CRN | 8.9 bar 0.89 MPa |
| 8.9 bar | 0.89 MPa |
Electrical data
| Operating voltage[V] [V] | 18...32 DC; (to SELV/PELV) |
|---|---|
| Current consumption[mA] [mA] | < 150 |
| Protection class | III |
| Reverse polarity protection | yes |
| Power-on delay time[s] [s] | 5 |
| Measuring principle | magnetic-inductive |
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] [mA] | 4...20; (≤ 22 mA) |
| Max. load[Ω] [Ω] | 500 |
Measuring/setting range
| Measuring range | -20...80 °C -4...176 °F |
|---|---|
| 5...600 l/min | 0.3...36 m³/h |
| Display range | -40...100 °C -40...212 °F |
| -720...720 l/min | -43.2...43.2 m³/h |
| Resolution | 0.2 °C 0.5 °F |
| 0.5 l/min | 0.02 m³/h |
| Analogue start point ASP | 0...480 l/min 0...28.8 m³/h 0...7610 gph 0...126.8 gpm |
| 0...480 l/min | 0...28.8 m³/h |
| Analogue end point AEP | 120...600 l/min 7.2...36 m³/h 1900...9510 gph 31.7...158.5 gpm |
| 120...600 l/min | 7.2...36 m³/h |
| Low flow cut-off LFC | < 15 l/min < 0.9 m³/h < 240 gph < 4 gpm |
| < 15 l/min | < 0.9 m³/h |
| In steps of | 0.2 °C 0.5 °F |
| Measuring dynamics | 1:120 |
| -20...80 °C | -4...176 °F |
| -40...100 °C | -40...212 °F |
| 0.2 °C | 0.5 °F |
| Analogue start point | -20...60 °C -4...140 °F |
| -20...60 °C | -4...140 °F |
| Analogue end point | 0...80 °C 32...176 °F |
| 0...80 °C | 32...176 °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] [K] | ± 1 (25 °C; Q > 15 l/min) / ± 1 (77 °F; Q > 4 gpm) |
Response times
| Response time[s] [s] | 0.35; (dAP = 0) |
|---|---|
| Damping process value dAP[s] [s] | 0...5 |
| Dynamic response T05 / T09[s] [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 |
|---|---|
| -10...60 °C | 14...140 °F |
| Storage temperature | -25...80 °C -13...176 °F |
| -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 |
| 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 | 14...158 °F |
| Shock resistance | DIN EN 60068-2-27 20 g (11 ms) |
| DIN EN 60068-2-27 | 20 g (11 ms) |
| Vibration resistance | DIN EN 60068-2-6 5 g (10...2000 Hz) |
| DIN EN 60068-2-6 | 5 g (10...2000 Hz) |
| MTTF[years] [years] | 85 |
| Pressure Equipment Directive | Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request |
Mechanical data
| Weight[g] [g] | 2728 |
|---|---|
| Housing | rectangular |
| Inlet pipe length | 3 x DN |
| Outlet pipe length | 1 x DN |
| Dimensions[mm] [mm] | 180 x 103 x 117 |
| Materials | stainless steel (316L/1.4404); stainless steel (316Ti/1.4571); PEI; FKM; PBT-GF20; TPE-U |
| Materials (wetted parts) | stainless steel (316L/1.4404); stainless steel (316Ti/1.4571); PEEK; FKM |
| Process connection | threaded connection 2" NPT internal thread 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 |
| function display | 1 x LED, yellow (10³) |
| measured values | alphanumeric display, 4-digit |
| programming | alphanumeric display, 4-digit |
Accessories
| Items supplied | Label |
|---|
Remarks
| Remarks | MW = measured value MEW = Final value of the measuring range |
|---|---|
| Pack quantity | 1 pcs. |
Electrical connection
| Connector | 1 x M12; coding: A; Contacts: gold-plated |
|---|
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