IFM PN4221 - Pressure sensor with display PN-250-SBN14-HFBOW/LS/ /V

Potential-free Triac output for currents up to 2.5 A.
For use in AC power mains.
Country-specific pressure units selectable.
Clearly visible 4-digit LED display.
With long-term stability thanks to high overload protection

Number of inputs and outputs	Number of digital outputs: 1
Measuring range	0...250 bar 0...3630 psi 0...25 MPa
Process connection	threaded connection 1/4" NPT internal thread

Application	for industrial applications
Media	liquids and gases
Conditionally suitable for	use in gases at pressures > 25 bar only on request
Medium temperature [°C]	-25...80
Min. bursting pressure	850 bar 12300 psi 85 MPa
Pressure rating	400 bar 5800 psi 40 MPa
Type of pressure	relative pressure

Operating voltage tolerance [%]	< 10
Operating voltage [V]	90...250 AC
Nominal voltage AC [V]	< 250
Current consumption [mA]	< 10
Min. insulation resistance [MΩ]	100;(500 V DC)
Protection class	II
Reverse polarity protection	no
Power-on delay time [s]	0.2
Integrated watchdog	yes

Inputs / outputs

Number of inputs and outputs	Number of digital outputs: 1

Outputs

Total number of outputs	1
Output signal	switching signal
Electrical design	Triac
Number of digital outputs	1
Output function	normally open / normally closed;(parameterisable)
Max. voltage drop switching output AC [V]	2
Permanent current rating of switching output AC [mA]	250;((...70 °C) 1000 (...60 °C) 1500 (...45 °C) 2500 (...20 °C))
Switching frequency AC [Hz]	< 160
Short-circuit proof	no
Overload protection	no

Measuring/setting range

Measuring range	0...250 bar 0...3630 psi 0...25 MPa
Set point SP	2...250 bar 40...3630 psi 0.2...25 MPa
Reset point rP	1...249 bar 20...3610 psi 0.1...24.9 MPa
In steps of	1 bar 10 psi 0.1 MPa

Accuracy / deviations

Switch point accuracy [% of the span]	< ± 1,0
Repeatability [% of the span]	< ± 0,1;(with temperature fluctuations < 10 K)
Linearity deviation [% of the span]	< ± 0,5
Hysteresis deviation [% of the span]	< ± 0,1
Long-term stability [% of the span]	< ± 0,1;(per year)
Temperature coefficient zero point [% of the span / 10 K]	< ± 0,2;(-25...80 °C)
Temperature coefficient span [% of the span / 10 K]	< ± 0,3;(-25...80 °C)

Response times

Delay time programmable dS, dr [s]	0, 0,2,...10, 11,...50
Damping process value dAP [s]	0...4

Software / programming

Adjustment of the switch point	programming button
Parameter setting options	hysteresis / window; normally open / normally closed; switch-on/switch-off delay; Damping; adaptation of displayed values; display can be rotated and switched off; Display unit

Operating conditions

Ambient temperature [°C]	-25...80
Storage temperature [°C]	-40...100
Protection	IP 67

Tests / approvals

EMC	EN 61000-4-2 ESD 4 kV CD / 8 kV AD EN 61000-4-3 HF radiated 10 V/m EN 61000-4-4 Burst 2 kV EN 61000-4-6 HF conducted 10 V
Shock resistance	DIN IEC 68-2-27 50 g (11 ms)
Vibration resistance	DIN IEC 68-2-6 20 g (10...2000 Hz)
MTTF [years]	224.58
Pressure Equipment Directive	Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request

Weight [g]	358.25
Materials	stainless steel (1.4301 / 304); PC; PBT; PA; FKM
Materials (wetted parts)	stainless steel (1.4305 / 303); ceramics; FKM
Min. pressure cycles	100 million
Process connection	threaded connection 1/4" NPT internal thread
Restrictor element integrated	no (can be retrofitted)

Displays / operating elements

Display	switching status LED, red function display 7-segment LED display measured values 7-segment LED display

Electrical connection

Required protection	miniature fuse to IEC60127-2 sheet 1; ≤ 5 A; fast acting

Remarks	n.c. = not used
Pack quantity	1 pcs.

Electrical connection

Connection	Connector: 1 x 1/2"; coding: C

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — PN4221-00 — 13.04.2023 —