Metering & Integration Solutions
Metering & Integration Solutions
Energy & Water Metering Products
IFM SD8601 - 1" NPT Compressed Air (Argon, Nitrogen, CO2) Meter
IFM SD8601 - 1" NPT Compressed Air (Argon, Nitrogen, CO2) Meter
IFM SD8601 - 1" NPT Compressed Air (Argon, Nitrogen, CO2) Meter
IFM SD8601 - 1" NPT Compressed Air (Argon, Nitrogen, CO2) Meter

IFM 2" Compressed Air Meter - SD2501 SDN21DGXFRKG/US-100)

  • Precise measurement of flow, consumption, pressure and medium temperature
  • High accuracy, repeatability and measurement dynamics
  • For detecting compressed air in industrial use
  • Red/green display for clear identification of the acceptable range
  • Display can be rotated for optimum alignment
Choose Quantity
+ Add to Cart
Product Details
Number of inputs and outputsNumber of digital outputs: 2; Number of analog outputs: 1
Process connectionthreaded connection 2" NPT DN50

Applicationfor industrial applications
Mediacompressed air
Medium temperature [°C]-10...60
Min. bursting pressure [psi]928
Pressure rating [psi]232
MAWP (for applications according to CRN) [bar]9.5
Electrical data
Operating voltage [V]18...30 DC; (to SELV/PELV)
Current consumption [mA]< 80
Protection classIII
Reverse polarity protectionyes
Power-on delay time [s]1
Inputs / outputs
Number of inputs and outputsNumber of digital outputs: 2; Number of analog outputs: 1
Inputscounter reset
Output signalswitching signal; analog signal; pulse signal; IO-Link; (configurable)
Electrical designPNP/NPN
Number of digital outputs2
Output functionnormally open / closed; (configurable)
Max. voltage drop switching output DC [V]2.5
Permanent current rating of switching output DC [mA]150; (per output)
Number of analog outputs1
Analog current output [mA]4...20; (scalable)
Max. load [Ω]500
Pulse outputconsumed quantity meter
Short-circuit protectionyes
Type of short-circuit protectionyes (non-latching)
Overload protectionyes
Measuring/setting range
Measuring range
80...24720 scfh1.5...412 scfm1...275.6 ft/s
Display range
0...29660 scfh0...494.5 scfm0...330.8 ft/s
20 scfh0.5 scfm0.2 ft/s
Set point SP
210...24710 scfh3.5...411.8 scfm2.4...275.5 ft/s
Reset point rP
90...24590 scfh1.5...409.8 scfm1...274.1 ft/s
Analog start point ASP
0...19780 scfh0...329.6 scfm0...220.5 ft/s
Analog end point AEP
4940...24720 scfh82.4...412 scfm55.1...275.6 ft/s
Low flow cut-off LFC
70...250 scfh1.2...4.1 scfm0.8...2.8 ft/s
In steps of
1 scfh0.1 scfm0.1 ft/s
Pressure monitoring
Measuring range [psi]-15...232
Display range [psi]-15...290
Resolution [psi]1
Set point SP [psi]-13...232
Reset point rP [psi]-15...231
Analog start point [psi]-15...186
Analog end point [psi]32...232
In steps of [psi]1
Volumetric flow quantity monitoring
Measuring range
0...100000000 m³0...353146667.2 scf
Display range
0...100000000 m³0...353146667.2 scf
Set point SP
0.001...10000000 m³0.05...353146667.2 scf
Pulse value
0.001...10000000 m³0.05...353146667.2 scf
In steps of
0.0001 m³0.005 scf
Pulse length [s]0.002...2
Temperature monitoring
Measuring range
-10...60 °C14...140 °F
Display range
-24...74 °C-11.2...165.2 °F
0.2 °C0.5 °F
Set point SP
-9.7...60 °C14.6...140 °F
Reset point rP
-10...59.7 °C14...139.4 °F
Analog start point
-10...46 °C14...114.8 °F
Analog end point
4...60 °C39.2...140 °F
In steps of
0.1 °C0.1 °F
Accuracy / deviations
Temperature coefficient [1/K]± 0,07 % MW
Accuracy (in the measuring range)class 141: ± (2 % MW + 0,5 % MEW); class 344: ± (6 % MW + 0,6 % MEW) ; air quality to ISO 8573-1:2010; at medium temperature 73 °F
Repeatability± (0,4 % MW + 0,1 % MEW)
Pressure monitoring
Repeatability [% of the final value]± 0,2
Characteristics deviation [% of the final value]< ± 0,5; (BFSL = Best Fit Straight Line)
Greatest TEMPCO of the span [% MEW / 10 K]± 0,3
Greatest TEMPCO of the zero point [% MEW / 10 K]± 0,1
Temperature monitoring
Accuracy [K]± 0,5; (medium flow in the limit area of the flow measurement range)
Reaction times
Response time [s]0.1; (dAP = 0)
Damping process value dAP [s]0...5
Pressure monitoring
Response time [s]0.05
Temperature monitoring
Dynamic response T05 / T09 [s]T09 = 0,5
Software / programming
Parameter setting optionshysteresis / window; normally open / closed; current/pulse output; display can be rotated and switched off; Display unit; totalizer
Communication interfaceIO-Link
Transmission typeCOM2 (38,4 kBaud)
IO-Link revision1.1
SDCI standardIEC 61131-9 CDV
ProfilesDigital Measuring Sensor (0x800A), Identification and Diagnosis (0x4000)
SIO modeyes
Required master port classA
Process data analog8
Process data binary2
Min. process cycle time [ms]7.2
Supported DeviceIDs
Type of operationDeviceID
Operating conditions
Ambient temperature [°F]32...140
Storage temperature [°F]-4...185
Max. relative air humidity [%]90
ProtectionIP 65; IP 67
Tests / approvals
DIN EN 60947-5-9
Vibration resistance
DIN EN 68000-2-65 g (10...2000 Hz)
MTTF [years]183
UL approval
UL approval numberI012
File number ULE174189
Pressure equipment directivesound engineering practice; can be used for stable gases fluid group 2
Mechanical data
Weight [g]2681.5
MaterialPBT+PC-GF30; PPS GF40; stainless steel (1.4301 / 304); stainless steel (1.4305 / 303); steel (1.5523) galvanized; 2.0401 (brass / CW614N); FKM
Materials (wetted parts)stainless steel (1.4301 / 304); stainless steel (1.4305 / 303); FKM; ceramics glass passivated; PPS GF40; Al2O3 (ceramics); acrylate
Process connectionthreaded connection 2" NPT DN50
Displays / operating elements
Color display 1,44", 128 x 128 pixels
2 x LED, yellow
MW = Measured value
MEW = Final value of the measuring range
Measuring, display and setting ranges refer to standard volume flow according to DIN ISO 2533.
For information about installation and operation please see the operating instructions.
Pack quantity1 pcs.
Electrical connection
ConnectionConnector: 1 x M12; coding: A
ifm efector, inc. • 1100 Atwater Drive • Malvern • PA 19355 — We reserve the right to make technical alterations without prior notice. — EN-US — SD2501-00 — 13.04.2023 — 
Added to cart
- There was an error adding to cart. Please try again.
Quantity updated
- An error occurred. Please try again later.
Deleted from cart
- Can't delete this product from the cart at the moment. Please try again later.