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較早公告： 克拉克齒輪流量計(jì)，作為一種廣泛應(yīng)用于工業(yè)領(lǐng)域的流量測(cè)量?jī)x表，以其高精度、高可靠性以及廣泛的應(yīng)用范圍，贏得了市場(chǎng)的廣泛認(rèn)可。這種流量計(jì)通過(guò)齒輪轉(zhuǎn)動(dòng)原理，實(shí)現(xiàn)了對(duì)流體流量的精確測(cè)量，為工業(yè)生產(chǎn)和流程控制提供了有力支持。克拉克齒輪流量計(jì)的核心在于其齒輪轉(zhuǎn)動(dòng)機(jī)構(gòu)。當(dāng)流體通過(guò)流量計(jì)時(shí)，齒輪受到流體的沖擊力而轉(zhuǎn)動(dòng)。流體的流量越大，齒輪轉(zhuǎn)動(dòng)的速度越快。通過(guò)精確測(cè)量齒輪的轉(zhuǎn)動(dòng)速度，克拉克齒輪流量計(jì)能夠準(zhǔn)確計(jì)算出流體的流量。這種測(cè)量原理使得該流量計(jì)具有很高的測(cè)量精度和穩(wěn)定性，能夠滿足各種工業(yè)場(chǎng)合的精度要求。除了測(cè)
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HYDAC傳感裝置壓力傳感器電子壓力開(kāi)關(guān)EDS410
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Electronic pressure switches offer a multitude of advantages in comparison with mechanical pressure switches and contact manometers. They convince though greater accuracy, freedom from wear, long-term stability, simpler operation and the high number of switching cycles, among other things.

Type series

without measurement value display  

  • EDS 4000, for and stationary hydraulics, set ex-works or programmable, 
    depending on the version for explosion-hazard environments with ATEX, CSA, IECEx approval
  • EDS 810 for OEM applications in the the industrial and sectors, factory preset, 
    with ECE type approval for public road traffic, optionally with IO-Link interface
  • EDS 710, for series applications in industrial and sector where the dimensions of the cavity are tight, extremely small, compact design, set ex-works
  • EDS 410, for OEM applications, factory preset or programmable

       

with measurement value display

  • EDS 8000, menu navigation in accordance with VDMA, 1 or 2 PNP transistor switching outputs, 
    4-character digital display, multi-colour switching display, IP-rating 67
  • EDS 3000, rotatable in longitudinal axis and display, 4-char. LED display, display in bar, psi
    or MPa, adjustable per button, depending on the version 
    - Desina conformance
    - with front-flush diaphragm
  • EDS 300, 3-character LED display, adjustable via foil keyboard
  • EDS 300, for shipbuilding and offshore, with approval from 
    - American Bureau of Shipping 
    - Lloyds Register of Shipping
    - Det Norske Veritas
    - Germanischer Lloyd
    - Bureau Veritas
  • EDS 601, manometer or front panel installation device, 4-character LED display, 
    2 relay outputs, adjustable via foil keyboard
  • EDS 1700, 4 relay outputs, 4-character LED display, many auxiliary functions, 
    adjustable via foil keyboard

 

Technology

  • Thick-layer DMS on ceramic diaphragm (low-pressure range)
  • Thin film DMS on stainless steel diaphragm (low-pressure and high-pressure ranges)

Standard pressure ranges

  • Between 0 ... 1 and 0 ... 600 / 1000 bar relative pressure, depending on the version
  • Up to 2.5 bar absolute pressure
  • Adjustment also in PSI and MPa
  • Other pressure ranges and special adjustments also upon request

Overview of pressure switches

 

EDS34003300310030080006011700440043004100820810710410
Accuracy (max.)1,01,01,01,01,01,00,51,01,01,01,01,01,01,0
Low pressure range
(up to 40 bar)		 XXXXXX  X X X XX
High pressure range
(from 40 bar)		X  XXXXX   XXXX
Relative pressureXX XXXXX X  XXXX
Absolute pressure   X       X    
Switching outputs22222242 2 2 2212
Analogue outputsXXXX XX       
Digital displayXXXXXXX       
ProgrammableXXXXXXXX X X X   
Pre-set       XXX XXX
DESINA compliantXXX           
VDMA Menu navigationXXX X         
Single pieces available X X X X X X X X X X X   
OEM products        X X X  X X X
Flush
membrane		XX            
IO-Link-Interface X X X        X   
ECE type approval (approved for road vehicles)            X  
For potentially explosive atmospheres       X X X    
Approvals for Shipping   X          
UL
Specification		XXX X      X  

 

Remark: Not all the features can be freely combined with each other, please take the precise information from the corresponding datasheet
 
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