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      當(dāng)前位置:北京朗潤達(dá)科貿(mào)有限公司>>>>Dwyer 差壓變送器 677B系列

      Dwyer 差壓變送器 677B系列

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      廠商性質(zhì)經(jīng)銷商

      所  在  地北京市

      聯(lián)系方式:銷售部查看聯(lián)系方式

      更新時間:2024-10-20 09:07:56瀏覽次數(shù):54次

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      經(jīng)營模式:經(jīng)銷商

      商鋪產(chǎn)品:738條

      所在地區(qū):北京

      聯(lián)系人:銷售部 (經(jīng)理)

      產(chǎn)品簡介

      677B系列差壓變送器設(shè)計用于測量壓力范圍低至0.1%,精度±0.4%。677B系列用于建筑能源管理系統(tǒng),環(huán)境污染控制,烘箱增壓,實驗室和通風(fēng)柜控制,HVAC和VAV應(yīng)用。該變送器具有15個psid超壓,反極性保護(hù)和EMI/RFI保護(hù)。內(nèi)部調(diào)節(jié)允許使用非調(diào)節(jié)直流電源。NEMA 4外殼允許通用安裝位置和整體安裝標(biāo)簽簡化安裝。校準(zhǔn)選項可在附件。 ......

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      產(chǎn)品特色


      ?  NEMA 4 housing enables a range of use outdoor or indoor where water is present

      ?  High accuracy at low pressure ranges provides exceptional measurement for insuring tight-control and minimizing costly out of specification conditions

      ?  Use with unregulated DC power permits easy access to electrical supply reducing costly power conditioning and wiring



      技術(shù)指標(biāo)


      Service: Air And Non-Conductive, Non-Corrosive Gases.

      Wetted Materials: 302 SS, Glass, Nickel, Silicone Rubber And Brass.

      Accuracy: ±0.4% FS* At Room Temperature. *RSS Includes Non-Linearity, Hysteresis And Non-Repeatability.

      Stability: ±1% FS/Yr.

      Temperature Limits
      Operating And Compensated: 0 To 185°F (-18 To 85°C);
      Storage: -65 To 220°F (-54 To 105°C).

      Pressure Limit: 15 Psi (100 KPa).

      Thermal Effects: (Includes Zero And Span)<0.028% FS/°F, 0 To 185°F (-18 To 85°C).

      Power Requirements: 16 To 32 VDC.

      Output: 4 To 20 MA DC, 2-Wire.

      Zero And Span Adjustments: Internally Accessible Potentiometers, Noninteractive.

      Response Time: Approximately 10 Ms.

      Max. Loop Resistance: DC: 0 To 800 Ohms.

      Process Connection: 3/16" OD Barbed Brass Pressure Fitting.

      Enclosure Rating: NEMA 4 (IP65).

      Weight: 11.5 Oz (330 G).

      Agency Approval: CE.

      附件:

      NISTCAL-PT1 - NIST Traceable Calibration Certificate For Pressure Transmitters.

      A-302F-A - 303SS Static Pressure Tip With Mounting Flange, 4" Hook Style. For 3/16" ID Rubber Or Plastic Tubing, Includes Mounting Screws.

      A-489 - 4" 303 SS Straight Static Pressure Tip With Flange.



      選項配件



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