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  5. PP0521

Pressure switch with ceramic measuring cell

PP0521

PP-250-SBG14-QFNKG/US/ /V

Pressure switch with ceramic measuring cell

PP0521

PP-250-SBG14-QFNKG/US/ /V

  • Robust design for use in harsh industrial environments
  • Two switching outputs, one of which can be configured as diagnostic output
  • High shock and vibration resistance
  • Lifespan of more than 100 million pressure cycles
  • ce
  • ukca
  • cul
Product characteristics
Number of inputs and outputs Number of digital outputs: 2
Measuring range
0...250 bar 0...3625 psi 0...25 MPa
Process connection threaded connection G 1/4 external thread internal thread:M5
Application
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...90
Min. bursting pressure
850 bar 12300 psi 85 MPa
Pressure rating
400 bar 5800 psi 40 MPa
Type of pressure relative pressure
Electrical data
Operating voltage [V] 9.6...36 DC; (communication mode: 18...32)
Current consumption [mA] < 45
Min. insulation resistance [MΩ] 100; (500 V DC)
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 0.3
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 2
Outputs
Total number of outputs 2
Output signal switching signal
Electrical design NPN
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
Switching frequency DC [Hz] 170
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes
Measuring/setting range
Measuring range
0...250 bar 0...3625 psi 0...25 MPa
Set point SP
2...250 bar 40...3620 psi 0.2...25 MPa
Reset point rP
1...249 bar 20...3600 psi 0.1...24.9 MPa
In steps of
1 bar 20 psi 0.1 MPa
Factory setting
SP1 = 63 bar rP1 = 58 bar
SP2 = 188 bar rP2 = 183 bar
OUT1 = Hno OUT2 = Hno
Accuracy / deviations
Switch point accuracy [% of the span] < ± 0,5
Repeatability [% of the span] < ± 0,1; (with temperature fluctuations < 10 K)
Characteristics deviation [% of the span] < ± 0,25 (BFSL) / < ± 0,5 (LS); (BFSL = Best Fit Straight Line; LS = limit value setting)
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; (0...80 °C)
Temperature coefficient span [% of the span / 10 K] < ± 0,2; (0...80 °C)
Response times
Response time [ms] < 3
Damping process value dAP in steps [s] 0,003 - 0,006 - 0,010 - 0,017 - 0,060 - 0,125 - 0,250 - 0,500
Operating conditions
Ambient temperature [°C] -25...85
Storage temperature [°C] -40...100
Protection IP 68; (7 days / 1 m water depth / 0.1 bar)
Tests / approvals
EMC
immunity EN 61000-6-2
EN 61000-4-2 ESD 4 kV contact discharge / 15 kV air discharge
EN 61000-4-3 HF radiated 20 V/m
EN 61000-4-4 Burst 4 kV coupling clamp
EN 61000-4-5 Surge 0,5 kV supply / 1 kV signal for DC units
EN 61000-4-6 HF conducted 30 V
Shock resistance
DIN IEC 60068-2-27 / DIN IEC 60068-2-29 1000 g
DIN EN 61373 category 3
Vibration resistance
DIN IEC 68-2-6 20 g (10...2000 Hz)
DIN EN 60068-2-64 14 g
DIN EN 61373 category 2
MTTF [years] 309
UL approval
UL Approval no. J010
Pressure Equipment Directive Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request
Mechanical data
Weight [g] 226
Materials stainless steel (1.4301 / 304); FKM; EPDM/X; PA
Materials (wetted parts) stainless steel (1.4305 / 303); ceramics; FKM
Min. pressure cycles 100 million
Process connection threaded connection G 1/4 external thread internal thread:M5
Restrictor element integrated no (can be retrofitted)
Displays / operating elements
Display
operation 2 x LED, green
switching status 2 x LED, yellow
Teach function yes
Remarks
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; coding: A