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PG2451

Pressure sensor with analogue display

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

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  • 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
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Technische Details
Product characteristics
Output signal switching signal; analogue signal; (configurable)
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; Safety manometer (S) based on DIN EN 837-1
Media liquids and gases
Conditionally suitable for use in gases at pressures > 25 bar only on request
Medium temperature [°C] -25...80
Pressure rating
600 bar 8700 psi
Min. bursting pressure
1000 bar 14500 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 for the switching output 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] 609
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
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; 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 — 11.07.2016 —