Products
Sensors
Pressure sensors / Vacuum sensors
Electronic contact manometers with analogue display
PG2451

Pressure sensor with analogue display

Name: PG2451
Brand: ifm
SKU: PG2451
Price: 442.80 GBP

PG2451

PG-250-REB12-MFRKG/US/ /P

Pressure sensor with analogue display

PG2451

PG-250-REB12-MFRKG/US/ /P

Analogue display, pressure switch and transmitter in one unit
Excellent readability also over a long distance
Rotatable display with LED bar graph for switch point indication
Programmable switching output and scalable analogue output
Robust stainless steel housing for use in harsh industrial environments

When selecting an alternative article and accessories please note that technical data may differ!

Product characteristics

Number of inputs and outputs

Number of digital outputs: 1; Number of analogue outputs: 1

Measuring range

0...250 bar

0...3625 psi

Process connection

threaded connection G 1/2 external thread

Application

Special feature

Gold-plated contacts

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

1000 bar

14500 psi

Pressure rating

600 bar

8700 psi

Type of pressure

relative pressure

Electrical data

Operating voltage [V]	18...32 DC
Current consumption [mA]	< 70; (24 V)
Min. insulation resistance [MΩ]	100; (500 V DC)
Protection class	III
Reverse polarity protection	yes
Power-on delay time [s]	6
Integrated watchdog	yes

Inputs / outputs

Number of inputs and outputs	Number of digital outputs: 1; Number of analogue outputs: 1

Outputs

Total number of outputs	2
Output signal	switching signal; analogue signal; (configurable)
Electrical design	PNP/NPN
Number of digital outputs	1
Output function	normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC [V]	2
Permanent current rating of switching output DC [mA]	250
Switching frequency DC [Hz]	75
Number of analogue outputs	1
Analogue current output [mA]	4...20, invertible; (scalable)
Max. load [Ω]	(Ub - 10 V) / 20 mA
Short-circuit protection	yes
Type of short-circuit protection	pulsed
Overload protection	yes

Measuring/setting range

Measuring range

0...250 bar

0...3625 psi

Set point SP

1...400 bar

15...5800 psi

Reset point rP

0...399 bar

0...5785 psi

Analogue start point

0...350 bar

0...5075 psi

Analogue end point

50...400 bar

725...5800 psi

In steps of

0.5 bar

5 psi

Accuracy / deviations

Switch point accuracy [% of the span]	< ± 0,6; (Turn down 1:1)
Repeatability [% of the span]	< ± 0,1; (with temperature fluctuations < 10 K; Turn down 1:1)
Characteristics deviation [% of the span]	< ± 0,35 (BFSL) / < ± 0,6 (LS); (Turn down 1:1; BFSL = Best Fit Straight Line)
Hysteresis deviation [% of the span]	< ± 0,5; (Turn down 1:1)
Long-term stability [% of the span]	< ± 0,1; (Turn down 1:1; per 6 months)
Temperature coefficient zero point [% of the span / 10 K]	< ± 0,3; (0...70 °C)
Temperature coefficient span [% of the span / 10 K]	< ± 0,3; (0...70 °C)

Response times

Response time [ms]	< 9
Damping process value dAP [s]	0.01...30
Damping for the analogue output dAA [s]	0.01...30
Step response time analogue output [ms]	28

Operating conditions

Ambient temperature [°C]	-20...80
Storage temperature [°C]	-40...100
Protection	IP 67; IP 69K

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 61000-4-5 Surge	0,5/1 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]

100

Pressure Equipment Directive

Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request

Mechanical data

Weight [g]	563
Materials	stainless steel (1.4404 / 316L); PA; FKM; PTFE; viewing glass: laminated safety glass 4 mm
Materials (wetted parts)	Al2O3 (ceramics); FKM; stainless steel (1.4404 / 316L)
Min. pressure cycles	100 million
Process connection	threaded connection G 1/2 external thread
Restrictor element integrated	yes

Displays / operating elements

Display

Display unit	2 x LED, green
switching status	LED, yellow
switch points	LED ring, red
function display	alphanumeric display, red 4-digit
measured values	analogue display, 0...350° rotatable, pointer not visible when unit disconnected
measured values	alphanumeric display, red 4-digit

With scale

yes

Extended display range (max.)

400 bar

5800 psi

Remarks

switch point accuracy in the extended display range: 1.5 % of the span

Pack quantity

1 pcs.

Electrical connection

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

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — PG2451-00 — 13.04.2023 —