Ceraphant PTP31B

Absolute and gauge pressure switch for measurement in gases, steams or liquids

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SKU: PTP31B

Highlights

Piezoresistive, metal sensor for safe measurement
Pressure measuring range: 400 bar (6000 psi)
Accuracy: up to 0.5 %
Maximum allowable overload pressure : 600 bar
Process temperature: –40 to 100 °C (–40 to 212 °F)

Fields of application

Measurement of absolute and gauge pressure in gases, vapors, liquids and dusts

Details

The Ceraphant PTP31B is a pressure switch from Endress+Hauser with a piezoresistive sensor for safe measurement and monitoring of absolute and gauge pressure. The pressure switch with compact design is extremely stable and overload resistant for up to 400 bar.

General Information

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Measuring principle	Piezoresistive
Process pressure range	0 to 400 mbar (0 to 6 psi) to 0 to 400 bar (0 to 6000 psi)
Maximum allowable pressure	600 bar
Process temperature range	–40 to 100 °C (–40 to 212 °F)
Sensor accuracy	0.5% (standard), 0.3% (platinum)
Display type	4-digit measured value display, LEDs

Input/Output

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Output	1 x PNP switch 2 x PNP switch 1 x PNP switch + 4...20 mA
Communication protocol	Digital
Resolution	4-digit

Mechanical Data

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Process connection	Thread: ISO 228, also flush-mount ASME DIN 13 ASME JIS
Wetted material	316L
Housing material	316L
Degree of protection	IP66/67 NEMA type 4X enclosure IP65/67 NEMA type 4X enclosure IP65 NEMA type 4X enclosure

Electrical Data

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Voltage Type	DC
Power supply	10 to 30 V
Current consumption	≤ 60 mA
Cable entry	M12
Switch on Delay	≤2 s
Switch response time	≤20 ms

Certification/Approvals

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Other Approvals/ Certification	CRN(for some device versions) CE RoHS

Additional Information

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Ambient temperature range	–20 to 70 °C (–4 to 158 °F) (in the range of the temperature limits with restrictions in optical properties, such as display speed and contrast)
Storage temperature	–40 to 85 °C (–40 to 185 °F)
Mounting type	Integrated
Vibration resistance	Guaranteed for 5 to 2000 Hz: 0.05g²/Hz
Reverse polarity protection	Yes
Overvoltage protection	No
Electromagnetic compatibility (EMC)	Interference emission as per EN 61326 equipment B Interference immunity as per EN 61326 appendix A (industrial sector) NAMUR recommendation EMC (NE21)
Long term stability	0.2 % of URL/year