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Pressure sensor with display

PE-250-SBR14-QFPKG/US/ /E

PE7021

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Technische Details
Application
Media liquids and gases
Conditionally suitable for For gaseous media the application is limited to max. 25 bar.
Cannot be used for oils
Medium temperature [°C] -25...80
Pressure rating [bar] 400
Min. bursting pressure [bar] 850
Type of pressure relative pressure
Electrical data
Operating voltage [V] 18...30 DC
Current consumption [mA] < 60
Min. insulation resistance [MΩ] 100; (500 V DC)
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 0.2
Integrated watchdog yes
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 2
Outputs
Total number of outputs 2
Output signal switching signal
Electrical design PNP
Number of digital outputs 2
Output function normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC [V] 2
Permanent current rating of switching output DC [mA] 250
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes
Measuring/setting range
Measuring range [bar] 0...250
Set point SP [bar] 2...250
Reset point rP [bar] 1...248
In steps of [bar] 1
Accuracy / deviations
Switch point accuracy [% of the final value] < ± 1,0
Repeatability [% of the final value] < ± 0,25; (with temperature fluctuations < 10 K)
Temperature drift per 10 K < ± 0.3
Response times
Switching frequency for a given set response time of one output
$Ansprechzeit (dAP) [ms] 3 6 10 17 30 60 125 250 500
$Schaltfrequenz [Hz] 170 80 50 30 16 8 4 2 1
Response time [ms] at rectangular pressure characteristic; switch point (SPx) = 70 %; reset point (rPx) = 30 %
Delay time programmable dS, dr [s] 0, 0,2,...10, 11,...50
Software / programming
Adjustment of the switch point programming button
Parameter setting options hysteresis / window; normally open / normally closed; switch-on/switch-off delay; Damping
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)
Mechanical data
Materials EPDM/X; FKM; PA; PBT; PC; stainless steel (1.4301 / 304)
Materials (wetted parts) EPDM/X; ceramics; stainless steel (1.4305 / 303)
Min. pressure cycles 100 million
Process connection threaded connection G 1/4 internal thread
Displays / operating elements
Display
switching status 2 x LED, red
function display 7-segment LED display
measured values 7-segment LED display
Remarks
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 — PE7021-00 — 21.11.2006 —