Ifm Electronic PG2451 pressure sensor with display 0-250 bar G 1/2 external -25-80 °C relative pressure content_copy

Electronic pressure sensor, with analogue display, DC PNP/NPN, Analogue display 0...350° rotatable, Resolution 0.25%, Pointer not visible when unit disconnected, Connector, analogue display, 4-digit alphanumeric display, 2 outputs, OUT1 = switching output, OUT2 = analogue output, 4-digit alphanumeric display
Application: Type of pressure: relative pressure , Liquids and gases, Use in gases at pressures

25 bar only after contacting the manufacturer ifm

Process connection: G ½
Operating voltage: 18...32 V DC
Electrical design: DC PNP/NPN
Output function: 1 x normally open / closed programmable + 1 x analogue (4...20 / 20...4 mA, scalable)
Measuring range: 0...250 bar; 0...3625 psi
Pressure rating: 600 bar; 8700 psi
Bursting pressure min.: 1000 bar; 14500 psi
Characteristics deviation : < ± 0.35 (BFSL) / < ± 0.6 (LS)
Connection: M12 connector
Housing materials: stainless steel 316L / 1.4404; PA; FPM (Viton); PTFE; viewing glass: laminated safety glass 4 mm
Materials (wetted parts): ceramics (Al2 O3); FPM; stainless steel 316L / 1.4404
Medium temperature: -25...80 °C
Ambient temperature: -20...80 °C
Protection: IP 67 / IP 69K
Display: Display unit: 2 x LED green ; Switching status: LED yellow ; Switch points: LED ring ; Function display: 4-digit alphanumeric display ; Measured values: analogue display, 4-digit alphanumeric display
Accessories (to be ordered separately): Socket, Mounting accessories

Type: PG2451

Accuracy / Deviations
Switching point accuracy	< ± 0.6; (Turn down 1:1) % of span
Repeatability	< ± 0.1; (at temperature variations < 10 K; Turn down 1:1) % of span
Characteristic deviation	< ± 0.35 (BFSL) / < ± 0.6 (LS); (Turn down 1:1; BFSL = Best Fit Straight Line (minimum setting)) % of span
Hysteresis deviation	< ± 0.5; (Turn down 1:1) % of span
Long-term stability	< ± 0.1; (turn down 1:1; per 6 months) % of span
Temperature coefficient zero point	< ± 0.3; (0...70 °C) % of span / 10 K
Temperature coefficient range	< ± 0.3; (0...70 °C) % of span / 10 K
Approvals / tests
EMC	EN 61000-4-2 ESD / 4 kV CD / 8 kV AD; EN 61000-4-3 Radiated HF / 10 V/m; EN 61000-4-4 Burst / 2 kV; EN 61000-4-5 Surge / 0.5/1 kV; EN 61000-4-6 Conducted HF / 10 V
Shock resistance	DIN EN 60068-2-27 / 50 g (11 ms)
Vibration resistance	DIN EN 60068-2-6 / 10 g (10...2000 Hz)
MTTF	100 years
Printer directive	Good engineering practice; suitable for fluids of group 2; fluids of group 1 on request
Displays / controls
Indication	Display unit / 2 x LED, green; switching state / LED, yellow; switching points / LED ring, red; function indicator / alphanumeric display, red 4-digit; measured values / analogue display, 0...350° rotatable, pointer not visible in de-energised state; measured values / alphanumeric display, red 4-digit
Extended display range max.	400 bar / 5800 psi
Scale present
Electrical connection
Plug connection	1 x M12; Coding: A; Contacts: 4, gold-plated
Electrical data
Operating voltage	18...32 DC V
Electricity consumption	< 70; (24 V) mA
Minimum insulation resistance	100; (500 V DC) MΩ
Protection class	III
Standby delay time	6 s
Reverse polarity protection
Integrated watchdog
Environmental conditions
Ambient temperature	-20...80 °C
Storage temperature	-40...100 °C
Degree of protection	IP 67; IP 69K
Field of application
Special feature	Gold-plated contacts
Application	for industrial use
Media	Liquid and gaseous media
Conditionally suitable for	Use in gaseous media at pressures > 25 bar only on request
Medium temperature	-25...80 °C
Min. bursting pressure	1000 bar / 14500 psi / 100 MPa
Compressive strength	600 bar / 8700 psi / 60 MPa
Pressure type	Gauge pressure
Measurement / adjustment range
Switching point SP	1...400 bar / 15...5800 psi
Reverse switch point rP	0...399 bar / 0...5785 psi
Analog start point	0...350 bar / 0...5075 psi
Analog endpoint	50...400 bar / 725...5800 psi
In steps of	0.5 bar / 5 psi
Mechanical data
Dimensions	169 x 100 x 57 mm
Materials	1.4404 (stainless steel / 316L); PA; FKM; PTFE; viewing window: safety laminated glass 4 mm
Materials in contact with the medium	Al2O3 (ceramic); FKM; 1.4404 (stainless steel / 316L)
Min. pressure cycles	100 million
Choke element present
Outputs
Total number of outputs	2
Output signal	Switching signal; analog signal; (configurable)
Electrical version	PNP/NPN
Number of digital outputs	1
Output function	Normally open contact (NO) / Normally closed contact (NC); (configurable)
Max. voltage drop switching output DC	2 V
Continuous current rating of switching output DC	250 mA
Switching frequency DC	75 Hz
Number of analogue outputs	1
Analog output current	4...20, reversible; (scalable) mA
Max. load	(Ub - 10 V) / 20 mA Ω
Short-circuit protection type	timed
Short-circuit protection
Overload resistant
Product features
Number of inputs and outputs	Number of digital outputs: 1; Number of analog outputs: 1
Measuring range	0...250 bar / 0...3625 psi
Process connection	Threaded connection G 1/2 male thread
Remarks
Remarks	Switching point accuracy in extended display range: 1.5 % of span
Response times
Response time	< 9 ms
Process value damping dAP	0,01...30 s
Attenuation analog output dAA	0,01...30 s
Step response time analog output	28 ms

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