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寶雞麥克自動化儀表有限公司
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  • 品牌/商標:虹潤
  • 企業(yè)類型:貿(mào)易商
  • 新舊程度:全新
  • 原產(chǎn)地:福州
::企業(yè)資質::
 
::產(chǎn)品簡介::


                        HR-K型壓力變送器
   
 

 

使用對象

 

    液體、氣體、蒸汽壓力測量、液體液位測量。

特點 
  ●高,穩(wěn)定性好。
  ●二線制工作方式,4~20mA信號輸出。
  ●敏感部件及線路板是全固體結構,堅固抗振。
  ●抗干擾能力強,溫度穩(wěn)定性好。
  ●防爆殼體結構,可全天候使用。
  ●具有優(yōu)良的防腐性能,保證的防腐性價比。
  ●結構輕巧,簡單合理,無須支架,無須水平安裝,可直接任意位置安裝在管道上。

K1型

   K2型

工作原理

    介質壓力直接作用于陶瓷片,使測量膜片產(chǎn)生偏移。正常的壓力使膜片偏移0.025mm,超壓狀態(tài)也只使膜片偏移0.1mm。此時,測量膜片貼到了陶瓷支架上,避免了損壞。膜片位移產(chǎn)生的電容量,由與其直接連接的電子部件檢測,放大和轉換為標準信號輸出。

測量系統(tǒng)接線圖
    在系統(tǒng)回路中必須采用屏蔽信號電纜,并可靠接地。
測量系統(tǒng)示意圖(4~20mA)
本安型壓力變送器

    HR-K本安型壓力變送器采用本質安全電路,適用于爆炸危險區(qū)域,防爆等級Exd ⅡBT4,技術性能指標與普通型壓力變送器相同。
    在系統(tǒng)回路中必須采用屏蔽信號電纜,并可靠接地。


                        本安型測量系統(tǒng)示意圖(4~20mA)

安裝方式

    HR-K系列壓力變送器通常采用管道直接安裝方式,建議加裝閥門,便于安裝、調試和維護。
    當介質溫度高于85℃時則需要加裝一定長度的引壓管,便于冷卻介質,否則會造成測量不準甚至損壞變送器。

 
管道直接安裝方式
固定配件
    用戶可依據(jù)現(xiàn)場環(huán)境及固定要求,用墻裝配件或管裝配件。

          

                  墻壁固定B3
                                    1-螺釘M5 2-膨脹螺釘M8
                           垂直管架固定B1


水平管架固定B

外形尺寸 
          
K1型外形尺寸圖K2型外形尺寸圖
技術性能及指標
  電源:24V·DC;無負載時變送器可工作在12V·DC,為40V·DC。
  負載特性:輸出信號:4~20mA
                                    負載阻抗R與電源電壓V的關系:R≤50(V-12)Ω
  量程和零點:打開接線端側蓋后連續(xù)可調,零點調整范圍為量程的±5%,量程調整范圍為量程的40%~               100%。
  溫度范圍:環(huán)境溫度-40℃~80℃
                                    介質溫度-40℃~85℃
                                    儲存溫度-40℃~85℃
                          超壓極限:見量程表
  相對濕度:0~95%。
  阻尼:0.5S。
  重量:0.85kg,
  :±0.2%包括線性、變差和重復性的綜合誤差。
  穩(wěn)定性:量程的±0.1%(1年)
  溫度影響:在-20~80℃內,變化量±0.15%/10℃。
  超壓影響:加超壓極限內壓力后,誤差為量程的±0.25%。

負載阻值

  振動影響:在任何軸向上頻率15Hz,誤差小于量程的±0.01%/g。
  電源影響:小于輸出量程0.01%/V。
  負載影響:如輸入電壓滿足負載特性,則無負載影響。
  安裝位置影響:無。

HR-K型壓力變送器型譜表

膜片材料
 HR-K1 陶瓷電容
HR-K2 擴散硅
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變送器類型
 S
                                    I
標準型
                                    本安型ExibⅡBT4
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過程連接件材料
 1
                                    9
不銹鋼316L
特殊要求
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過程連接方式
 R
                                    G
                                    M
                                    A
                                    Y
外螺紋G 1/2
外螺紋M 20×1.5
外螺紋G 1/2 小孔
                                    外螺紋 1/2 NPT
特殊要求
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密封件材料
 1F
                                    2F
                                    9F
模氟橡膠
                                    丁腈橡膠
                                    特殊要求
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信號輸出方式
 24~20mA二線
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外殼類型
 A
                                    B
                                    Y
鋁外殼無現(xiàn)場指示IP65
鋁外殼帶現(xiàn)場指示IP65(模擬指示表)
                                    特殊要求
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等級
 2
                                    5
                                    9
0.2
                                    0.5
特殊要求
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測量范圍(見標準量程表)
 Y非標準量程
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HR-K1
S
1
G
1F
2
A
5
F2
 

標準量程表

測量范圍代號量程調節(jié)范圍過載
0~4KPaD10.7~7KPa0.6
0~6KPaD20.7~7KPa

0.6

0~10KPaD31.0~10KPa0.6
0~16KPaD410.0~20KPa0.6
0~20KPaD510.0~20KPa0.6
0~25KPaD612.0~30KPa0.6
0~40KPaD712.0~40KPa0.6
0~60KPaD820.0~60KPa0.6
    
0~100KPaE130.0~100KPa1.0
0~160KPaE260.0~200KPa1.0
0~200KPaE360.0~200KPa1.0
0~250KPaE4120.0~400KPa1.0
0~400KPaE5120.0~400KPa1.0
    
0~0.6MPaF10.2~0.6MPa2.0
0~1.0MPaF20.3~1.0MPa2.0
0~1.6MPaF30.6~2.0MPa4.0
0~2.0MPaF40.6~2.0MPa4.0
0~2.5MPaF51.2~4.0MPa4.0
0~4.0MPaF61.2~4.0MPa6.0
0~6.0MPaF72.0~6.0MPa9.0
    
0~10MPaH13.0~10MPa20
0~30MPaH23.0~30MPa60
    
-2~2KPaC12.0~7.0KPa0.6
-5~5KPaC25.0~20KPa0.6
-10~10KPaC32.0~20KPa0.6
-20~20KPaC48.0~20KPa0.6
-50~50KPaC510.0~100KPa0.6
 

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