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Endress+Hauser
Endress+Hauser Ceraphant PTP31B Pressure Switch
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E+H Ceraphant PTP31B: pressure switch; to 400 bar; PNP/IO-Link; to 0.3% Platinum. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Measuring range
Gauge/absolute: from 0 to +400 mbar (0 to +6 psi) to 0 to +400 bar (0 to +5,800 psi); OPL to –1…+600 bar
Accuracy
Reference accuracy standard up to 0.5%; Platinum up to 0.3%
Output
1× PNP switch (3-wire); 2× PNP + IO-Link (4-wire); or 1× PNP + 4–20 mA + IO-Link (4-wire)
Supply
10–30 VDC analog / IO-Link (IO-Link guaranteed ≥18 V)
Process connection
Thread ISO 228 (incl. flush), ASME, DIN 13, JIS
Wetted parts
Housing and process connections 316L; metallic diaphragm 316L
Fits compact pressure switching where you need an Endress+Hauser Ceraphant PTP31B—metallic-membrane pressure switch spanning gauge/absolute cells from about 400 mbar to 400 bar URL, reference accuracy to 0.5% (Platinum to 0.3%), and PNP / IO-Link / 4–20 mA output combinations.
Key advantages
- Range — About 400 mbar to 400 bar URL class
- Accuracy — To 0.5%; Platinum to 0.3%
- Outputs — PNP; 2× PNP + IO-Link; PNP + 4–20 mA + IO-Link
- Supply — 10–30 VDC
- Membrane — 316L metallic process membrane
Typical applications
- Machine pressure switch.
- Hydraulic / pneumatic points.
- IO-Link pressure discrete.
Selection guide
- Gauge vs absolute
- Output wiring
- Process thread
Common mistakes
- Exceeding process temp 100 °C.
- Wrong OPL.
- IO-Link below 18 V.
When to RFQ / what to tell us
- Range/output/thread.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 45740 |
| Brand | Endress+Hauser |
| Model | Ceraphant PTP31B |
| Product type | Pressure Switch |
| Measuring range | Gauge/absolute: from 0 to +400 mbar (0 to +6 psi) to 0 to +400 bar (0 to +5,800 psi); OPL to –1…+600 bar |
| Accuracy | Reference accuracy standard up to 0.5%; Platinum up to 0.3% |
| Output signal | 1× PNP switch (3-wire); 2× PNP + IO-Link (4-wire); or 1× PNP + 4–20 mA + IO-Link (4-wire) |
| Supply voltage | 10–30 VDC analog / IO-Link (IO-Link guaranteed ≥18 V) |
| Process temperature | –40 to +100 °C (–40 to +212 °F) at process connection |
| Ambient temperature | –20 to +70 °C (–4 to +158 °F) |
| Sensor type | Metallic process membrane (316L); absolute and gauge pressure switch |
| Process connection | Thread ISO 228 (incl. flush), ASME, DIN 13, JIS |
Documents
FAQ
Q: Accuracy? A: To 0.5%; Platinum to 0.3%.
Q: Outputs? A: PNP / IO-Link / 4–20 mA combinations.
Q: What should I send for a quote? A: Range/output/thread, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | Gauge/absolute: from 0 to +400 mbar (0 to +6 psi) to 0 to +400 bar (0 to +5,800 psi); OPL to –1…+600 bar |
| Accuracy | Reference accuracy standard up to 0.5%; Platinum up to 0.3% |
| Output | 1× PNP switch (3-wire); 2× PNP + IO-Link (4-wire); or 1× PNP + 4–20 mA + IO-Link (4-wire) |
| Supply | 10–30 VDC analog / IO-Link (IO-Link guaranteed ≥18 V) |
| Process connection | Thread ISO 228 (incl. flush), ASME, DIN 13, JIS |
| Wetted parts | Housing and process connections 316L; metallic diaphragm 316L |
| Ambient temperature | –20 to +70 °C (–4 to +158 °F) |
| Sensor type | Metallic process membrane (316L); absolute and gauge pressure switch |
| Process Temperature | –40 to +100 °C (–40 to +212 °F) at process connection |
| Turn Down | Up to 5:1 |