Further information for ifm Electronic PP7556 pressure sensor 0...2.5 bar G 1/4 external
Accuracy / Deviations
Switching point accuracy
< ± 0.5 % of span
Repeatability
< ± 0.1; (with temperature variations < 10 K) % of span
Characteristic deviation
< ± 0.25 (BFSL) / < ± 0.5 (LS); (BFSL = Best Fit Straight Line (minimum setting); LS = end-point setting) % of span
Neutral point stabilisation
Switch output, indication / 1.0 % of span
Hysteresis deviation
< ± 0.1 % of span
Long-term stability
< ± 0.1; (per year) % of span
Temperature coefficient zero point
< ± 0.2; (0...80 °C) % of span / 10 K
Temperature coefficient range
< ± 0.2; (0...80 °C) % of span / 10 K
Approvals / tests
EMC
Immunity / EN 61000-6-2; EN 61000-4-2 ESD / 4 kV contact discharge / 15 kV air discharge; EN 61000-4-3 RF 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 devices; EN 61000-4-6 RF conducted / 10 V; Immunity / according to automotive directive 1995/54/EC / 04/104EC / 05/83/EC; Absorber chamber test according to ISO 11452-2: / 80 V/m
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
310 years
Printer directive
Good engineering practice; suitable for fluids of group 2; fluids of group 1 on request
Railway applications
DIN EN 50155 / Class T3, C1, S1
Displays / controls
Indication
Operation / 2 x LED, green; Switching state / 2 x LED, yellow
Teach function
Electrical connection
Plug connection
1 x M12; coding: A; contacts: 4
Electrical data
Operating voltage
9.6...36 DC; (communication operation: 18...32) V
Electricity consumption
< 45 mA
Minimum insulation resistance
100; (500 V DC) MΩ
Protection class
III
Standby delay time
0,3 s
Reverse polarity protection
Environmental conditions
Ambient temperature
-25...85 °C
Storage temperature
-40...100 °C
Degree of protection
IP 68; (7 days / 1 m water depth / 0.1 bar)
Field of application
Application
for mobile use; for industrial use; for railway applications