| Product characteristics |
| Number of inputs and outputs | | Number of digital outputs: 2; Number of analogue outputs: 1 |
| Measuring range | | -0.0124...0.25 bar | -12.4...250 mbar | -5...100.4 inH2O | -1.24...25 kPa |
| Process connection | | threaded connection G 1 external thread Aseptoflex Vario |
| Application |
| Special feature | | Gold-plated contacts |
| Application | | flush mountable for the food and beverage industry |
| Media | | viscous media and liquids with suspended particles; liquids and gases |
| Medium temperature [°C] | | | -25...125; (145 max. 1h) |
| Min. bursting pressure | | 30000 mbar | 12044 inH2O | 3000 kPa |
| Pressure rating | | 6000 mbar | 2400 inH2O | 600 kPa |
| Vacuum resistance | [mbar] | | | -1000 |
| Type of pressure | | | relative pressure |
| No dead space | | | yes |
MAWP (for applications
according to CRN) | [bar] | | 10 |
 ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — PI2798-01 — 13.04.2023 — |
| |
| PI2798 |
| Flush pressure sensor with display |
| PI-,25BREA01-MFRKG/US/ /P |
| Electrical data |
| Min. insulation resistance [MΩ] | 100; (500 V DC) |
| Protection class | III |
| Reverse polarity protection | | yes |
| Measuring principle | | hydrostatic |
| Integrated watchdog | | | yes |
| 2-wire |
| Operating voltage | [V] | | 20...32 DC |
| Current consumption | [mA] | | 3.6...21 |
| Power-on delay time | [s] | | 1 |
| 3-wire |
| Operating voltage [V] | 18...32 DC |
| Current consumption | [mA] | | < 45 |
| Power-on delay time | [s] | | 0.5 |
| Inputs / outputs |
| Number of inputs and outputs | Number of digital outputs: 2; Number of analogue outputs: 1 |
| Outputs |
| Total number of outputs | | 2 |
| Output signal | | switching signal; analogue signal; IO-Link; (configurable) |
| Electrical design | | | PNP/NPN |
| Number of digital outputs | | | 2 |
| Output function | | normally open / normally closed; (parameterisable) |
| Number of analogue outputs | | 1 |
| Analogue current output [mA] | | 4...20, invertible; (scalable) |
| Short-circuit protection | | yes |
Type of short-circuit
protection | | pulsed |
| Overload protection | | yes |
| 2-wire |
| Max. load [Ω] | 300 |
| 3-wire |
Max. voltage drop switching
output DC | [V] | | 2 |
Permanent current rating of
switching output DC | [mA] | | 250 |
| Switching frequency DC | [Hz] | | 125 |
| Max. load | [Ω] | | | (Ub - 10 V) / 20 mA |
| Measuring/setting range |
| Measuring range | | -0.0124...0.25 bar | -12.4...250 mbar | -5...100.4 inH2O | -1.24...25 kPa |
| Set point SP | | -12...250 mbar | -4.8...100.4 inH2O | -1.2...25 kPa |
| Reset point rP | | -12.4...249.6 mbar | -5...100.2 inH2O | -1.24...24.96 kPa |
| Analogue start point | | -12.4...187.4 mbar | -5...75.2 inH2O | -1.24...18.74 kPa |
| Analogue endpoint | | 50...250 mbar | 20.1...100.4 inH2O | 5...25 kPa |
| Insteps of | | 0.2 mbar | 0.1 inH2O | 0.02 kPa |
 ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — PI2798-01 — 13.04.2023 — |
| |
| PI2798 |
| Flush pressure sensor with display |
| PI-,25BREA01-MFRKG/US/ /P |
| Factory setting | | SP1 = 62.4 mbar | rP1 = 57.4 mbar |
| | | SP2 = 187.4 mbar | rP2 = 182.4 mbar |
| | | ASP = 0.0 mbar | AEP = 250.0 mbar |
| Accuracy / deviations |
Switch point accuracy
[% of the span] | | < ± 0,2; (Turn down 1:1) |
| Repeatability | [% of the span] | | < ± 0,1; (with temperature fluctuations < 10 K; Turn down 1:1) |
Characteristics deviation
[% of the span] | | < ± 0,2; (Turn down 1:1 , linearity, incl. hysteresis and
repeatability , limit value setting to DIN EN IEC 62828-1) |
Linearity deviation
[% of the span] | | < ± 0,15; (Turn down 1:1) |
Hysteresis deviation
[% of the span] | | < ± 0,15; (Turn down 1:1) |
Long-term stability
[% of the span] | | < ± 0,1; (Turn down 1:1; per year) |
Temperature coefficient zero
point
[% of the span / 10 K] | | < ± 0,05; (0...70 °C) |
| Temperature coefficient span | | | < ± 0,15; (0...70 °C) |
| | [% of the span / 10 K] | | |
| Response times |
| Damping process value dAP [s] | | 0...30 |
Damping for the analogue
output dAA | [s] | | 0.01...99.99 |
| 2-wire |
| Step response time analogue [ms] | 45 |
| output |
| 3-wire |
| Min. response time of [ms] | 3 |
| switching output (dAP) |
| Step response time analogue [ms] | 7 |
| output |
| Interfaces |
| Communication interface | | IO-Link |
| Transmission type | | COM2 (38,4 kBaud) |
| IO-Link revision | | 1.0 |
| Profiles | | no profile |
| SIO mode | | yes |
| Required master port type | | A |
| Process data analogue | | 1 |
| Process data binary | | 2 |
| Min. process cycle time [ms] | | 2.3 |
| Supported DeviceIDs | | Type of operation | DeviceID |
| | Default | 257 |
| Operating conditions |
| Ambient temperature | [°C] | | -25...80 |
| Storage temperature | [°C] | | -40...100 |
 ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — PI2798-01 — 13.04.2023 — |
| |
| PI2798 |
| Flush pressure sensor with display |
| PI-,25BREA01-MFRKG/US/ /P |
| Protection | IP 67; IP 68; 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] | | 160 |
| Note on approval | | factory certificate available as download at www.factory-certificate.ifm |
| UL approval | | UL Approval no. | J018 |
| | File number UL | E174189 |
| Mechanical data |
| Weight [g] | | 354 |
| Materials | | stainless steel (1.4404 / 316L); FKM; PTFE; PBT; PEI; PFA |
| Materials (wetted parts) | | ceramics (99.9 % Al2O3); stainless steel (1.4435 /
316L); surface characteristics: Ra < 0,4 / Rz 4; PTFE |
| Min. pressure cycles | | | 100 million |
| Process connection | | threaded connection G 1 external thread Aseptoflex Vario |
| Displays / operating elements |
| Display | | Display unit | LED, green |
| | switching status | LED, yellow |
| | function display | alphanumeric display, 4-digit |
| | measured values | alphanumeric display, 4-digit |
