Pressure switches for absolute and gauge pressures
IOLINK

Pressure switch for measurement and monitoring of absolute and gauge pressure

Ceraphant PTC31B / PTP31B [replace PTC31 / PTP31]

from € 226.-
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    • High reproducibility and long-term stability
    • Customized measuring ranges
    • Reference accuracy up to 0.3 %

    Specs at a glance

    Product Gases, vapors, liquids and dust
    Output 1 × PNP
    2 × PNP, IO-Link
    1 × PNP + 4 to 20mA, IO-Link
    Display 4 digit with color change
    Process temperature range –40 to +100 °C (–40 to +212 °F)
    Measuring ranges

    From 0 to +100 mbar (0 to +6 psi) to 0 to +400 bar (0 to +6000 psi)

    Ceraphant PTC31B

    Product / VersionPrice / pcs. in EUROrder code
    OutputReference AccuracyElectrical Connection1 to 34 to 1011+
    PNP, 3-wireStandard 0.5%M12 / ISO4400284,-256,-233,- PTC31B-AA4xxxGBxxxx
    Select options
    Platinum 0.3%M12 / ISO4400316,-284,-259,- PTC31B-AA4xxxDBxxxx
    Select options
    2x PNP, IO-Link, 4-wireStandard 0.5%Plug M12, IP65/67 NEMA Type 4X Encl.300,-270,-246,- PTC31B-AA8MxxGBxxxx
    Select options
    Platinum 0.3%Plug M12, IP65/67 NEMA Type 4X Encl.332,-299,-272,- PTC31B-AA8MxxDBxxxx
    Select options
    PNP + 4-20mA, IO-Link, 4-wireStandard 0.5%Plug M12, IP65/67 NEMA Type 4X Encl.335,-302,-275,- PTC31B-AA7MxxGBxxxx
    Select options
    Platinum 0.3%Plug M12, IP65/67 NEMA Type 4X Encl.367,-330,-301,- PTC31B-AA7MxxDBxxxx
    Select options

    Ceraphant PTP31B

    Product / VersionPrice / pcs. in EUROrder code
    OutputReference AccuracyElectrical Connection1 to 34 to 1011+
    PNP, 3-wiresStandard 0.5%M12 / ISO4400275,-248,-226,- PTP31B-AA4xxxGBxxx
    Select options
    Platinum 0.3%M12 / ISO4400307,-276,-252,- PTP31B-AA4xxxDBxxx
    Select options
    2x PNP, IO-Link, 4-wireStandard 0.5%Plug M12, IP65/67 NEMA Type 4X Encl.291,-262,-239,- PTP31B-AA8MxxGBxxx
    Select options
    Platinum 0.3%Plug M12, IP65/67 NEMA Type 4X Encl.323,-291,-265,- PTP31B-AA8MxxDBxxx
    Select options
    PNP + 4-20mA, IO-Link, 4-wireStandard 0.5%Plug M12, IP65/67 NEMA Type 4X Encl.326,-294,-268,- PTP31B-AA7MxxGBxxx
    Select options
    Platinum 0.3%Plug M12, IP65/67 NEMA Type 4X Encl.358,-322,-294,- PTP31B-AA7MxxDBxxx
    Select options

    Accessories

    Product / VersionPrice / pcs. in EUROrder code
    Weld-in adapter G1/2, 316L Flush mount process connection. Material: 316L. Usage: PMP11, PMP21, PMP51, PTP31B. Correct installation only with dummy.53,02 52002643
    Add to cart
    Weld-in adapter G1, 316L, 3.1 Flush mount process connection. Material: 316L. Inspection cert. EN10204-3.1 material. Usage: PMP23, PMP51, PMP135, PTP33B/PTP35. Correct installation only with dummy.125,30 52010171
    Add to cart
    Socket for plug 4p-125V, 4A-M12 M12 socket for plug. Self confectionery connection. Usage: plug M12, FMB50/FMB51/FMB52/FMB53, FMB70, FTL31/FTL33, FTW23, FTW33, PMC41/PMC45, PMP11, PMP21, PMP41/PMP45/PMP46,/PMP48, PMP51, PTC31B, PTP31B, QMW43.15,55 52006263
    Add to cart
    Cable 4x0.34, box M12,Cu Sn/Ni,90o,L=5m M12 plug connector. Usage: FMB50/FMB51/FMB52/FMB53, FTL31/FTL33, FTL51B, FTW23, FTW33, PMC11, PMC21, PMC51, PMP11, PMP21/PMP23, PMP51/PMP55, PTC31B, PTP31B/PTP33B, QMW43.7,25 52010285
    Add to cart
    Plug connector M12 90deg Self confectionery connection. Usage: plug M12.25,41 71114212
    Add to cart

    Prices valid until 31.03.2020 in EUR per unit (not including shipping and applicable sales tax). See
    Endress+Hauser Terms and Conditions

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  • Application

    The Ceraphant is a pressure switch for the measurement of absolute and gauge pressure in gases, vapors, liquids and dust. The Ceraphant can be used universally thanks to a wide range of approvals and process connections.

    Function

    Ceramic process isolating diaphragm: The ceramic switch is an oil-free sensor, i.e. the process pressure acts directly on the robust ceramic  process isolating diaphragm and causes it to deflect. A pressure-dependent change in capacitance is measured at the electrodes of the ceramic substrate and the process isolating diaphragm.

    Metallic process isolating diaphragm: The process pressure deflects the metal process isolating diaphragm of the switch and a fill fluid transfers the pressure to a Wheatstone bridge (semiconductor technology). The pressure-dependent change in the bridge output voltage is measured and evaluated.

    Application Example

    Pressure switch for absolute and gauge pressures - Application example

    Pressure switch Ceraphant with current output (a) with RMA42 / RIA45 (b) from E-direct

  • Technical data

    Output
    Output signal PNP switch output + 4 to 20 mA output (4-wire), IO-Link;
    PNP switch output (3-wire);
    2 × PNP switch output (4-wire), IO-Link
    Function Min., max. window
    Signal range
    4 to 20 mA    		 3.8 to 20.5 mA
    Voltage drop PNP ≤2 V
    Load
    4 to 20 mA    		 RLmax ≤ (UB – 6.5 V) / 23 mA 1)
    Dynamic behavior Time constant (T90) 16 ms
    1) RLmax: maximum load resistance; UB: supply voltage
    Power supply
    Supply voltage

    10 to 30 V DC

    IO-Link: 18 to 30 V DC
    Current consumption ≤60 mA
    Degree of protection Cable: IP66/67 NEMA Type 4X
    Plug M12: IP65/67 NEMA Type 4X
    Valve plug: IP65 NEMA Type 4X
    Influence of power
    supply    		 ≤0.005 % of URL/1 V
    Residual ripple ±5 %
    Performance characteristics
    Reference accuracy

    Standard: ±0.5 %;

    Platinum: ±0.3 %
    Thermal change of
    the zero output and
    the output span

    <1 bar (15 psi): <1.2 %;

    ≥1 bar (15 psi): <1 %
    Long-term stability

    1 year: ±0.2 %;

    5 years: ±0.4 %
    Switch-on time ≤2 s
    Environment
    Ambient temperature –20 to +70 °C (–4 to +158 °F)
    Storage temperature –40 to +85 °C (–40 to +185 °F)
    Climate class Class 3K5
    Electromagnetic
    compatibility

    – Interference emission as per EN 61326 equipment B

    – Interference immunity as per EN 61326 appendix A (industrial sector)

    – NAMUR recommendation EMC (NE21)
    Process
    Process temperature

    PTC31B: –25 to +100 °C (–13 to +212 °F)

    PTP31B: –40 to +100 °C (–40 to +212 °F)
    Materials PTC31B
    Materials not in
    contact with process    		 Housing: Stainless steel 316L (1.4404)
    Materials in
    contact with process    		 Process connections: 316L (1.4435);
    Ceramic process isolating diaphragm: Al2O3 in accordance with FDA;
    TSE Certificate of Suitability for all device components in contact with the process;
    Seal: Viton FKM or EPDM
    Materials PTP31B
    Materials not in contact with process Housing: Stainless steel 316L (1.4404);
    Housing cap: PBT/PC;
    Filling oil: NSF-H1 synthetic oil in accordance with FDA 21 CFR 178.3570
    Materials in contact with process Process connections: 316L;
    Metallic process isolating diaphragm: AISI 316L (1.4435);
    TSE Certificate of Suitability for all device components in contact with the process;
    With flush-mounted process isolating diaphragm: Seal: Viton FKM
    Operability
    Operation with local
    display    		 4-digit measured value display, simple and complete menu guidance, comprehensive diagnostic functions, status via LEDs
    IO Link Operator-oriented menu structure for user-specific tasks
    Approvals
    Pressure Equipment Directive

    Dimensions (in mm)

    Housing

    Pressure switch for absolute and gauge pressures - Dimensions

    a) PTC31B

    b) PTP31B

    c) M12 plug, housing cap made of plastic

    d) Cable

    e) Valve plug

     

    Installation according to instruction manual.

    Dimensions process connections PTC31B in mm (inches)

    Process connections with internal, ceramic process isolating diaphragm

    Pressure switch PTC31B / PTP31B - Process connections ceramic

    a) Thread ISO 228 G¼"

    b) Thread ISO 228 G¼" (female)

    c) Thread ISO 228 G½"

    d) Thread ISO 228 G½", bore 11.4 mm (0.45 in)

    e) Thread DIN13

    f) ASME¼" MNPT

    g) ASME½" MNPT (female)

    h) ASME½" MNPT, bore 11.4 mm (0.45 in)

    Dimensions process connections PTP31B in mm (inches)

    Process connections with internal, metallic process isolating diaphragm

    Pressure switch PTC31B / PTP31B - Process connections metal

    a) Thread ISO 228 G¼"

    b) Thread ISO 228 G¼" (female)

    c) Thread ISO 228 G½"

    d) Thread ISO 228 G½", bore 11.4 mm (0.45 in)

    e) Thread DIN13

    f) ASME¼" MNPT

    g) ASME½" MNPT (female)

    h) ASME½" MNPT, bore 11.4 mm (0.45 in)

     

    * to 100 bar (1500 psi) / ** 400 bar (6000 psi)

    Process connections with flush-mounted, metallic process isolating diaphragm

    Pressure switch PTC31B / PTP31B - Process connections flush-mounted metal

    a) Thread ISO 228 G½" DIN3852

    b) Thread ISO 228 G½" O-ring seal

     

    * to 100 bar (1500 psi) / ** 400 bar (6000 psi)

    Electrical connection

    1 × PNP switch output R1

    Pressure switch for absolute and gauge pressures - Connection

    a) M12 plug

    b) Valve plug

    c) Cable

     

    Cable:
    1: brown = L+
    2a: black = switch output 1
    2b: white = not assigned
    3: blue = L–
    4: green/yellow = ground
    (a): reference air hose

    2 × PNP switch outputs R1 and R2

    Pressure switch for absolute and gauge pressures - Connection

    a) M12 plug

    b) Cable

    c) M12 plug, IO-Link

     

    Cable:
    1: brown = L+
    2a: black = switch output 1
    2c: white = switch output 2
    3: blue = L–
    4: green/yellow = ground
    (a): reference air hose

    1 × PNP switch output R1 with additional analog output 4 to 20 mA (active)

    Pressure switch for absolute and gauge pressures - Connection

    a) M12 plug

    b) Cable

    c)  M12 plug, IO-Link

    Cable:
    1: brown = L+
    2a: black = switch output 1
    2d: white = analog output 4 to 20 mA
    3: blue = L–
    4: green/yellow = ground
    (a): reference air hose

  • More documents for PTC31B
    More documents for PTP31B

  • IO-Link

    Besides its general benefits, summarized below, using IO-Link point-to-point communication with our pressure switches Ceraphant PTC31B / PTP31B allows:

    • Commissioning via software
    • Storage of the configuration
    • Configuration transferable to several devices

     

    General benefits of IO-Link

    Digital measured values:

    • Faultless transmission (e.g. EMC caused)

    • No conversion, thus a higher total accuracy

     

    More data

    • Possibility to carry more values

    • Detailed fault information

    • Additional process information

     

    Central parameters storage

    • Possibility to load set up parameters from the master into a device

    • Configuration can be duplicated from one device to the next

    • Remote sensor maintenance

  • Previous models: PTP31 / PTC31

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