额定电压： 220（v） 类型： 机械压力开关
最大工作压力： 600bar（pa） 型号： bax
额定电流： 15（a） 品牌： wika/威卡
机械寿命： 100（万次） 产品认证： ce
加工定制： 是
these high-quality pressure switcheshave been specifically developed for safety-critical applications.high quality and product manufacturing to iso 9001:2000 ensuresreliable monitoring of your plant. in production, the switchesare
traced by quality assurance software at every step and subsequentlyare 100 % tested.
      all wetted parts materials are fromstainless steel as standard. each switch family is available in ip65, ex-ia or ex-d versions (ex-ia see model bwx, data sheet pv32.20).
     in order to ensure as flexible operation as possible, the pressureswitches are equipped with micro switches, which make it possibleto switch an electrical load of up to 15 a / ac 220 v directly. forsmaller contact ratings, such as for
plc applications, argon gas filled micro switches with goldplatedcontacts can be selected as an option.
      by using a bourdon tube measuringsystem, the model bax pressure switch is extremely robust andguarantees optimal operating characteristics.
switch points
    the switch points can be set to yourrequirements, free-ofcharge.
    please specify:
    switch point, switching direction for eachcontact (e.g. switch point 1: 0.5 bar, falling, switch point 2: 3bar, rising)
    with two micro switches, the switch points canbe set independently of each other.
afterunscrewing the case cover, switch point adjustment can be madeusing the adjustment screw. the switch point is settable within theentire measuring range with the following
   general rule:
    ■ define the value a = 2x repeatability + switchhysteresis
    ■ if the pressure is rising, the switch pointshould be set between (min. + value a) up to max. of the settingrange.
    ■ if the pressure is falling, the switch pointshould be set between min. up to (max. - value a) of the settingrange.
example:
    setting range: 0 ... 1 bar with one switchcontact
    repeatability: 1 % of 1 bar = 10 mbar
    switch hysteresis = 15 mbar (see table settingranges)
    value a = 2 x 10 mbar + 15 mbar = 35 mbar
    if the pressure is rising, the switch pointshould be set between 35 mbar up to 1 bar.
    if the pressure is falling, the switch pointshould be set between 0 up to 965 mbar.
    for optimal performance we suggest the switchpoint liesbetween 25 % and 75 % of thesetting range.
electricalconnection
    ½ npt female, cableconnection using internal terminal block, ground connection usinginternal and external screw,max. ground cable cross-section 4mm2
pressureswitch 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 93/68eec
dielectricstrength
    safety class i (en61298-2: 1997-06)
mounting
    direct or wall mounting
    preferred connection location of the processconnection should be below. alternatively the instrument canbe installed so that access to internals is from front of theenclosure and the electrical connection is placed onside.
weight
    approx. 3.7 kg (with 2 micro switches approx.4.0 kg)
options
    ■ other process connection, also withadapter
    ■ electrical connection 3/4 npt, g 1/2 or m20 x1.5 (female)
    ■ cable gland on request
    ■ 2 pipe-mounting kit (with clampingelement)
    ■ version for off-shore 3) or tropicalisedapplication 3)
    ■ version for applications to nace 3)
    ■ version for ammonia applications 3)
    ■ oil and grease free version for oxygenapplications
    ■ permissible ambient temperature -60 ... +85°c
    ■ accessories:
    pressure gauge valves model 910.11, seedata sheet ac 09.02
    barstock valves model 910.81, see datasheet ac 09.18
3) inert gasfilled contacts required
approvalsand certificates
    ■ gost-rcertificate
    ■ test certificate *ca* (confirmation of theswitching accuracy)
    ■ test report *cp* (3-time listing of the switchpoint, requires switch point specification)
    ■ material certificate 3.1 per en10204
orderinginformation
    model / switchcontacts with version / setting range / process connection /electrical connection / switch point(s) / switching direction(s) /options
example:bax- u1 - 0/40 bar - 1/4npt-f - 1/2npt-f
欢迎致电咨询订购wika bax波登管压力开关 eex-d防爆 ip 65,nema 4 测量0-600bar
电话:010-5166991256291930
传真：010-51669912
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