Ceraphant PTP33B

Summary

Product identification

The Ceraphant PTP33B is a pressure switch designed for the measurement and monitoring of absolute and gauge pressure. It is suitable for applications involving gases, vapors, liquids, and dust, including those with hygienic requirements.

Operating limits

• Reference accuracy: Up to 0.3%
• Turn down: Up to 5:1
• Sensor measuring ranges: Up to 40 bar (600 psi)
• Over Pressure Limit (OPL): Max. 0 to +160 bar (0 to +2400 psi) for PTP33B. The OPL may only be applied for a limited period.
• Maximum Working Pressure (MWP): Max. 0 to +100 bar (0 to +1500 psi) for PTP33B. The MWP can be applied for an unlimited period and is also found on the nameplate.
• Process temperature range (for metallic process isolating diaphragm): –10 to +100 °C (+14 to +212 °F)
  • Sterilization in place (SIP): Up to +135 °C (+275 °F) for a maximum of one hour.
• Ambient temperature range:
  • PTP33B: –20 to +70 °C (–4 to +158 °F)
  • PTP33B IO-Link: –40 to +70 °C (–40 to +158 °F)
  • (Restrictions in optical properties, such as display speed and contrast, may occur at temperature limits).
• Storage temperature range: –40 to +85 °C (–40 to +185 °F)

Feed water

• Measured variable: Gauge pressure or absolute pressure.
• Measuring ranges (PTP33B):
  • Gauge pressure: from 0 to +400 mbar (0 to +6 psi) to 0 to +40 bar (0 to +600 psi).
  • Absolute pressure: from 0 to +400 mbar (0 to +6 psi) to 0 to +40 bar (0 to +600 psi).
• Vacuum resistance (for specific ranges): 0.01 bar (0.145 psi) abs.

Product water

• Output signal:
  • 1 x PNP switch output (three-wire) (not with IO-Link)
  • 2 x PNP switch output (four-wire), IO-Link
  • 1 x PNP switch output + 4 to 20 mA output (four-wire), IO-Link
  • c/Q output for communication (SIO mode (switch output)) for devices with IO-Link.
• Range of adjustment (Switch output):
  • Switch point (SP): 0.5 to 100 % of the upper range limit (URL).
  • Switchback point (RSP): 0 to 99.5 % of the upper range limit (URL).
  • Minimum distance between SP and RSP: 0.5 % URL.
• Range of adjustment (Analog output): Lower range value (LRV) and upper range value (URV) can be set anywhere within the sensor range (LRL - URL). Turn down up to 5:1 of upper sensor limit (URL).
• Signal range 4 to 20 mA: 3.8 mA to 20.5 mA.
• Signal on alarm 4 to 20 mA:
  • Alarm current FCU "MIN": Lower alarm current (≤3.6 mA) (optional).
  • Alarm current FCU "MAX": Upper alarm current (≥21 mA) (factory setting).
  • Alarm current FCU "HOLD": Last measured current value is held.

Electrical

• Supply voltage: 10 to 30 V DC at a DC power unit.
  • IO-Link communication is guaranteed only if the supply voltage is at least 18 V.
• Current consumption:
  • Intrinsic power consumption: ≤ 60 mA.
  • Alarm current (for devices with analog output): ≥21 mA (factory setting).
  • Devices with IO-Link: Maximum current consumption: ≤ 300 mA.
• Switching capacity:
  • Switch state ON: Ia ≤ 250 mA.
  • Switch state OFF: Ia ≤1 mA.
  • Switch cycles: >10,000,000.
  • Voltage drop PNP: ≤ 2 V.
• Overvoltage protection: Meets requirements of EMC standard EN 61000-4-5 (testing voltage 1kV EMC wire/ground).
• Terminal assignment: Various configurations for 1 x PNP switch output, 2 x PNP switch output, and 1 x PNP switch output with 4 to 20 mA output, including options for IO-Link.
• Degree of protection: IP66/67, NEMA type 4X enclosure for most connection types.

Mechanical / hydraulic

• Housing and process isolating diaphragm material: 316L (1.4404 or 1.4435).
• Process connections: Available in various types including:
  • Thread ISO 228
  • Thread M24 x 1.5
  • SMS
  • Varivent
  • Clamp/Tri-Clamp
  • DIN 11851
  • All process connections are fully welded.
• Materials in contact with process: AISI 316L (DIN/EN material number 1.4404 or 1.4435).
• Cleaning: Option for oil+grease cleaned devices. Suitable for CIP/SIP cleaning.
• Dimensions: See the Product Configurator on www.endress.com for detailed CAD dimensions.

Certificates and approvals

• CE mark
• RoHS
• RCM-Tick marking
• Suitability for hygienic processes (EHEDG/3A approvals available)
• Pressure Equipment Directive 2014/68/EU (PED)
• CRN approval

Disclaimer: This summary is extracted from a datasheet and may not capture all figures, footnotes, or revisions. Contractual data must be verified against the specific OEM PDF revision used for the project.

Official datasheet (PDF)

Lenntech datasheet mirror