WIKA S-20 ¸ß¾«¶È ¸ßѹÁ¦·¶Î§ ѹÁ¦±äËÍÆ÷

 ¾«¶È:0.125  1600bar

Superior pressure transmitter for general industrial applicationsModel S-20

   Applications     Critical industrial applications     Demanding applications in research £ánd development     Harsh environments in the process industry

 

    Special features     Measuring ranges from 0 ... 0.4 to 0 ... 1,600 bar     Non-linearity of up to 0.125 % of span     Different output signals, e.g. 4 ... 20 mA, DC 0 ... 10 V,

        DC 1 ... 5 V £ánd others     Market-standard electrical connections, e.g.        DIN 175301-803 A angular connector     Common international process connections

 

   Description    The model S-20 pressure transmitter for general industrial applications is the ideal solution for customers with demanding measuring requirements. It features a very good accuracy, a robust design £ánd an exceptional number of variants, meaning it can be suited to the widest range of applications.

    Versatile    The model S-20 offers continuous measuring ranges between 0 ... 0.4 £ánd 0 ... 1,600 bar in all the major units.    These measuring ranges can be combined in almost any way with all the standard industry output signals, the most common international process connections £ánd a wide number of electrical connections.    Furthermore, it offers numerous options, such as different accuracy classes, extended temperature ranges £ánd customer-specific pin assignments.

 

   High quality    The robust design turns the model S-20 into a very high quality product, which even the most adverse environmental conditions cannot affect. Whether with the lowest temperatures when used outdoors, with extreme shock £ánd vibration in machine building or with aggressive media in the chemical industry, this transmitter can meet all requirements.

    Availability    All variants described in this data sheet are available on very short lead times. For particularly urgent demands, there is a sizeable stock available.

 

   Measuring ranges

       The given measuring ranges are also available in kg/cm2, kPa £ánd MPa.    Special measuring ranges between 0 ... 0.4 £ánd 0 ... 1,600 bar are available on request.    Special measuring ranges have a reduced long-term stability £ánd increased temperature errors.

   Overpressure limit    The overpressure limit is based on the sensor element used. Depending on the selected process connection £ánd sealing, restrictions in overpressure safety can result. A higher overpressure limit will result in a higher temperature error.

 

       Measuring range < 10 bar/150 psi ≥ 10 bar/150 psi    3 times £¨standard£©                   2 times 1£© £¨standard£©    5 times                              3 times 2£© 3£©    1£© Restriction: max. 60 bar/870 psi with absolute pressure    2£© Only possible for relative pressure measuring ranges ≤ 400 bar or 5,800 psi    3£© Only possible for absolute pressure measuring ranges < 16 bar or 220 psi

 

    Vacuum tightness    Yes

 

   Output signal

   Signal  type        Signal    Current £¨2-wire£©     4 ... 20 mA                         20 ... 4 mA    Voltage £¨3-wire£©     DC 0 ... 10 V                         DC 0 ... 5 V                         DC 1 ... 5 V                         DC 0.5 ... 4.5 V                         DC 1 ... 6 V                         DC 10 ... 0 V    Ratiometric £¨3-wire£© DC 0.5 ... 4.5 V

   Other output signals on request.

   

   Permissible load in Ω     Current output £¨2-wire£©: ≤ £¨power supply - 7.5 V£© / 0.023 A                              ≤ £¨power supply - 11.5 V£© /

                                  0.023 A £¨with optional settling time of 1 ms£©     Voltage output £¨3-wire£©: > maximum output voltage / 1 mA     Ratiometric output £¨3-wire£©: > 4.5k

   Signal limiting £¨option£©     4 ... 20 mA: Zero point: 3.6 mA 1£©, 3.8 mA, 4.0 mA                  Full scale: 20 mA, 21.5 mA, 23 mA     DC 0 ... 10 V: Full scale: DC 10 V, DC 11.5 V   1£© Not possible in combination with zero point adjustment by the customer

 

   Voltage supply

 

   Power supply    Maximum power supply for cULus approval: DC 35 V £¨DC 32 V with heavy-duty connector£©     Current output £¨2-wire£©        4 ... 20 mA: DC 8 ... 36 V £¨DC 12 ... 36 V with optional settling time of 1 ms£©        20 ... 4 mA £¨inverted£©: DC 8 ... 36 V     Voltage output £¨3-wire£©        DC 0 ... 10 V: DC 12 ... 36 V        DC 0 ... 5 V: DC 8 ... 36 V        DC 1 ... 5 V: DC 8 ... 36 V        DC 0.5 ... 4.5 V: DC 8 ... 36 V        DC 1 ... 6 V: DC 9 ... 36 V        DC 10 ... 0 V: DC 12 ... 36 V    Ratiometric output £¨3-wire£©:        DC 0.5 ... 4.5 V: DC 5 V ±10 %

 

   Dissipation loss     Current output £¨2-wire£©: 828 mW £¨22 mW/K derating of the dissipation loss with ambient temperatures ≥ 100 °C£©     Voltage output £¨3-wire£©: 432 mW

   Current supply     Current output £¨2-wire£©: Current signal, max. 25 mA     Voltage output £¨3-wire£©: max. 12 mA

 

   Reference conditions £¨per IEC 61298-1£©

   Temperature    15 ... 25 °C

   Atmospheric pressure    860 ... 1,060 mbar

   Humidity    45 ... 75 % relative

   Power supply     DC 24 V     DC 5 V with ratiometric output

    Mounting position    Calibrated in vertical mounting position with pressure connection facing downwards.

 

    Time response  1£© 3 dB limit frequency: 500 Hz2£© 3 dB limit frequency: 1,000 Hz3£© Alternative specifications for 4 ... 20 mA output signal:   Load: ≤ £¨power supply - 11.5 V£© / 0.023 A    Power supply: DC 12 ... 36 V

 

   Switch-on time    150 ms

 

   Switch-on drift    5 s £¨60 s with optional zero point adjustment 0.1 %£©

 

   Accuracy data

   

   Relationship to the mounting position    For measuring ranges < 1 bar/15 psi, an additional zero offset of up to 0.15 %applies

   Non-repeatability    ≤ ±0.1 % of span

   Temperature hysteresis    0.1 % of span at > 80 °C

   Long-term drift £¨per IEC 61298-2£©     ≤ ±0.1 % of span     ≤ ±0.2 % of span £¨with special measuring ranges£©

   Temperature error £¨for calibration temperature of 15 ... 25 °C£©    For measuring ranges < 1 bar, special measuring ranges £ánd instruments with an increased overpressure limit the respective temperature error increases by 0.5 % of span

       Operating conditions    Permissible temperature ranges

       Storage £ánd transport conditions     Permissible temperature range: -40 ... +70 °C     Maximum humidity £¨per IEC 68-2-78£©: 67 % r.h. at 40 °C £¨in accordance with 4K4H per EN 60721-3-4£©

   Climate class     Storage: 1K3 £¨per EN 60721-3-1£©     Transport: 2K2 £¨per EN 60721-3-2£©     Operation: 4K4H £¨per EN 60721-3-4, without condensation or icing£©

   Vibration resistance £¨per IEC 68-2-6£©    20 g, 10 ... 2,000 Hz, £¨40 g, 10 ... 2,000 Hz for heavy-duty connector£©    For instruments with cooling elements a limited vibration resistance applies 10 g £¨10 ... 2,000 Hz£©

   Continuous vibration resistance £¨per IEC 68-2-6£©    10 g

   Shock resistance £¨per IEC 68-2-27£©    100 g, 6 ms £¨500 g, 1 ms for heavy-duty connector£©

   Service life    100 million load cycles £¨10 million load cycles for measuring ranges > 600 bar/7,500 psi£©

   Free-fall test £¨following IEC 60721-3-2£©     Individual packaging: 1.5 m     Multiple packaging: 0.5 m     PE bag: 0.5 m

 

   Process connections    Available connections

      Other process connections on request.

 

    Process connections

   Electrical connections

   Available connections

       Connection diagrams

      Other pin assignments on request.

 

    Electrical protective measures    The electrical protective measures are not valid for ratiometric output signals.     Short-circuit resistance: S+ vs. U-     Reverse polarity protection: U+ vs. U-     Resistance to overvoltage: DC 40 V     Insulation voltage: DC 750 V

 

 

   Materials

   Wetted parts     Relative measuring ranges:     - Measuring ranges ≤ 10 bar/150 psi:        316L     - Measuring ranges > 10 bar/150 psi:         316L + 13-8 PH     Absolute pressure measuring ranges:     - Measuring ranges ≤ 1,000 bar/10,000 psi:   ASTM 630 £ánd 13-8 PH     - Measuring ranges > 1,000 bar/10,000 psi:    316L + 13-8 PH     Sealing materials: see "Process connections"

   Non-wetted parts    Case:                                          316 Ti    Zero point adjustment ring:                    PBT/PET GF30    Electrical connections:    Angular connector DIN 175301-803 A:            PBT/PET GF30    Angular connector DIN 175301-803 C:            PBT/PET GF30    Circular connector M12 x 1 £¨4-pin£©:            PBT/PET GF30    Circular connector M12 x 1 £¨4-pin, metallic£©:  316L    Bayonet connector £¨6-pin£© 316L + Al    Field case:                                    316L, 316Ti    Heavy-duty connector:                          316L    Cable outlet IP 67:                            PA66    Cable outlet ½ NPT conduit:                    316L    Cable outlet IP 68:                            316L    Cable outlet IP 68, FEP:                       316L

    Cable outlet IP 6K9K:                          316L

 

   Pressure transmission fluid    Synthetic oil £¨for measuring ranges < 10 bar/150 psi relative £ánd absolute pressure£©

   Options for specific media

       CE conformity

   Pressure equipment directive    97/23/EC

   EMC directive    2004/108/EC, EN 61326 emission £¨group 1, class B£© £ánd interference immunity £¨industrial application£©

   EM field    30 V/m £¨80 ... 1,000 Mhz£©

   RoHS conformity    Directive 2002/95/EC

   Performance level £¨per EN ISO 13849-1:2008£©     Performance level:      PL = C     Category:               Cat. = 1     Diagnostic coverage:    DC = none     MTTF:                   > 100 years

   Certificates £¨option£©

 

   Available certificates    2.2 test report           State-of-the-art manufacturing                              Wetted metallic parts                              Confirmation of the class £ánd indication accuracy    3.1 inspection certificate Wetted metallic parts                              Wetted metallic parts with suppliers£§ certificate                              Confirmation of the class £ánd indication accuracy                              List of single measured values    DKD/DAkkS calibration certificate   Certificates, see website

   Scope of delivery

   Test report     Non-linearity 0.5 %      3 points     Non-linearity 0.25 %     5 points     Non-linearity 0.125 %    5 points

 

   Packaging    Individual packaging £¨standard£©    Multiple packaging £¨up to 20 pieces£©

   Instrument labelling    WIKA label lasered £¨standard£©    Customer-specific label on request

 

   Dimensions in mm    Pressure transmitter model S-20    Process connections

   

    Accessories £ánd spare parts

    Mating connector      Ordering information    Model / Measuring range / Overpressure limit / Output signal / Non-linearity / Calibration temperature / Zero point adjustment/ Process connection / Pressure channel / Sealing / Electrical connection / Assembly / Cable length / Shielding / Certificates /Packaging / Instrument labelling / Accessories £ánd spare parts

 

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