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PY9951

Pressure sensor with display

PY-250-SER34-MFPKG/US/ /V

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  • With programmable switching output and analogue output
  • Clearly visible 4-digit LED display
  • Country-specific pressure units selectable
  • With long-term stability thanks to high overload protection
  • High shock and vibration resistance
  • ce
  • eac
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Technische Details
Product characteristics
Output signal switching signal; analogue signal; (configurable)
Measuring range
0...250 bar 0...3625 psi 0...25 MPa
Process connection threaded connection G 3/4 external thread
Application
Special feature Gold-plated contacts
Media viscous media and liquids with suspended particles
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
No dead space yes
Electrical data
Operating voltage [V] 18...36 DC; (according to EN 50178 SELV/PELV)
Current consumption [mA] < 50
Min. insulation resistance [MΩ] 100; (500 V DC)
Protection class III
Reverse polarity protection yes
Overvoltage protection yes; (< 40 V)
Power-on delay time [s] 0.3
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
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] < 170
Number of analogue outputs 1
Analogue current output [mA] 4...20
Max. load [Ω] (Ub - 10 V) / 20 mA
Analogue voltage output [V] 0...10
Min. load resistance [Ω] 2000
Short-circuit protection yes
Type of short-circuit protection pulsed
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
Accuracy / deviations
Switch point accuracy [% of the final value] < ± 0,5
Repeatability [% of the final value] < ± 0,1; (with temperature fluctuations < 10 K)
Characteristics deviation [% of the final value] < ± 0,5
Hysteresis deviation [% of the final value] < ± 0,25
Long-term stability [% of the final value] < ± 0,05
Response times
Delay time programmable dS, dr [s] 0; 0,2...50
Max. response time analogue output [ms] 3
Software / programming
Parameter setting options hysteresis / window; normally open / normally closed; switch-on/switch-off delay; Damping; Display unit; current/voltage output
Operating conditions
Ambient temperature [°C] -20...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 61000-4-5 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] 219
Pressure Equipment Directive Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request
Mechanical data
Weight [g] 286
Materials stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); PC; PBT; PEI; FKM
Materials (wetted parts) stainless steel (1.4404 / 316L); ceramics; FKM
Min. pressure cycles 100 million
Process connection threaded connection G 3/4 external thread
Displays / operating elements
Display
Display unit 3 x LED, green
switching status LED, yellow
function display alphanumeric display, 4-digit
measured values alphanumeric display, 4-digit
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 — PY9951-01 — 27.06.2006 —