高压700bar 测量相对压力差压 紧凑型压力开关

          wika pcs-hp 紧凑型压力开关 ip65 高压700bar

测量相对压力差压

compact pressure switch
ip 65, for high pressure ranges
model pcs-hp

compact pressure switch model pcs-hpcompact pressure switch model pcs-hpcompact pressure switch model pcs-hp

                  compact pressure switch model pcs-hp

    applications
    ■ pressure monitoring and direct switching of electrical loads
    ■ for measuring points with limited space
    ■ for gaseous and liquid, aggressive and highly viscous or contaminated media, also in aggressive ambience
    ■ process industry: chemical/petro-chemical, on- and offshore, technical gases, environmental technology,machine building and general plant construction, water treatment, pharmaceutical industry

   special features
    ■ ingress protection ip 65, nema 4
    ■ ambient temperature -40 ... +85 °c
    ■ 1 switch point, spdt or dpdt with a high contact rating of up to 15 a / ac 220 v
    ■ setting ranges up to 600 bar, max. test pressure up to 700 bar

    description
    these high-quality pressure switches have been specifically developed for safety-critical applications with limited space. high quality and product manufacturing to iso 9001:2000 ensures reliable monitoring of your plant. in production, the switches are traced by quality assurance software at every
step and subsequently are 100 % tested.the gauge adapters are made of stainless steel, the diaphragm is, depending on the measuring range and the
sensor code, made of inconel or coated with nbr or ptfe.each switch family is available in ip 65, ex-ia or ex-d versions (ex-ia see model pca-hp, data sheet pv 33.33).

    in order to ensure as flexible operation as possible, the pressure switches are equipped with micro switches, which make it possible to switch an electrical load of up to 15 a /ac 220 v directly. for smaller contact ratings, such as for plc applications, argon gas filled micro switches with gold-plated contacts can be selected as an option. for two separate circuits the switches are also available in the version dpdt (double change-over contact).

    by using a diaphragm with an antagonist spring, the model pcs-hp pressure switch is extremely robust and guarantees optimal operating characteristics.

   data sheets showing similar products:
   compact pressure switch, ignition protection type eex-ia; model pcs; see data sheet pv 33.30
   compact pressure switch, ignition protection type eex-d; model pca; see data sheet pv 33.31
   compact pressure switch, for high pressure, ignition protection type eex-d; model pca-hp; see data sheet pv 33.33

   switch points
    the switch points can be set to your requirements, free-ofcharge.
   please specify:
    switch point, switching direction (e.g. switch point 1: 0.5 bar,falling)

    after unscrewing the case cover, switch point adjustment can be made using the adjustment screw. the switch point is settable within the entire measuring range with the following
   general rule:
    ■ define the value a = 2x repeatability + switch hysteresis
    ■ if the pressure is rising, the switch point should be set between (min. + value a) up to max. of the setting range.
    ■ if the pressure is falling, the switch point should be set between min. up to (max. - value a) of the setting range.

   example:
    setting range: 0 ... 1 bar with one switch contact
    repeatability: 1 % of 1 bar = 10 mbar
    switch hysteresis = 15 mbar (see table setting ranges)
    value a = 2 x 10 mbar + 15 mbar = 35 mbar
    if the pressure is rising, the switch point should be set between 35 mbar up to 1 bar.
    if the pressure is falling, the switch point should be set between 0 up to 965 mbar.
    for optimal performance we suggest the switch point lies between 25 % and 75 % of the setting range.

   electrical connection
    ½ npt female, cable connection using internal terminal block, ground connection using internal and external screw,max. ground cable cross-section 4 mm2

   pressure switch certified per:
    ■ pressure equipment directive 97/23/ec (ped, annex 1,category iv, safety accessories, module b + d)
    ■ low voltage directive 73/23 eec and 93/68 eec

   dielectric strength
    safety class i (en 61298-2: 1997-06)

   mounting
    direct or wall mounting
    preferred connection location of the process connection should be below. alternatively the instrument can be installed so that access to internals is from front of the enclosure and the electrical connection is placed on side.

   weight
    approx. 1.0 kg

    options
    ■ other process connection, also with adapter
    ■ case made of stainless steel 316
    ■ electrical connection 3/4 npt, g 1/2 or m20 x 1.5 (female)
    ■ cable gland on request
    ■ 2" pipe-mounting kit (with clamping element)
    ■ version for off-shore 5) or tropicalised application 5)
    ■ version for applications to nace 5) 6)
    ■ version for ammonia applications 5)
    ■ oil and grease free version for oxygen applications
    ■ version to
    gas ex-ia dust ex-iad gr. ii cat. 1 gd 5)electrical characteristics: ui = 30 v
                                                                         ii = 100 ma
                                                                         pi = 0.75 w
                                                                         ci = 0 μf
                                                                         li = 0 mh
   ■ accessories:
    pressure gauge valves model 910.11, see data sheet ac 09.02
    barstock valves model 910.81, see data sheet ac 09.18

    5) inert gas filled contacts required
    6) only in connection with sensor code g

   approvals and certificates
    ■ sil 2 version 5)
    ■ gost-r certificate
    ■ test certificate *ca* (confirmation of the switching accuracy)
    ■ test report *cp* (3-time listing of the switch point, requires witch point specification)
    ■ material certificate 3.1 per en 10204

dimensions in mm

    example:pcs 2 p1 - 8/40 bar - 1/4"npt-f - 1/2"npt-f

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本产品的品牌是WIKA/威卡，型号是PCS-HP，类型是机械压力开关，额定电压是220（V），额定电流是15（A），机械寿命是100（万次），Zui大工作压力是700bar（Pa），产品认证是PED证书，加工定制是是