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          工藝控制及測量
          新產品
          METER
              發布時間: 2017-11-28 11:52    

          非接觸式測量在物位測量領域越來越受歡迎,出于這個原因,SGM-LEKTRA研發了METER系列超聲波液位計,大大地滿足了客戶對產品多元化的需求。METER 一體式超聲波液位計適用于大多數領域,包括爆炸危險和化學侵蝕性的環境區。METER 一體式超聲波液位計具有溫度補償功能,支持MODBUS RTU通訊(4線)或HART通訊(兩線),兩路繼電器輸出(4線)

             · 非接觸式測量儀器

             · 適用于液體和固體物位測量

             · 內置溫度傳感器,補償測量

             · HART 或MODBUS RTU 通訊協議

             · 24Vdc 供電

             · 防護等級: IP67/IP68 (傳感器)

              輸出: 1         4÷20mA

                       2         繼電器 (4-線.)

             · ATEX II 1/2G Ex ia II C T6


          Housing material PC or Al / PP wetted part (PVDF for ATEX certified vers.)
          Mechanical installation 2”GAS M (PP flange DN50 or DN 80 opt.)
          Protection degree IP67 / IP68 (sensor)
          Electrical connection Internal push connectors
          Working temperature -30 ÷ +70°C; +80°C non-continuous; -20 ° to +60 ° C for ATEX certified versions
          Pressure
          from 0,5 to 1,5 bar (absolute)
          Power supply
          2-wire: 20÷30 Vdc / 4-wire: 24Vdc
          Power consumption 2-wire max 0,6W / 4-wire max 1,5W
          Analog output 4÷20mA, max 750ohm (4-wire)
          Relays output (4-wire only) n°2 3A 230Vac (n.o.)
          Digital communication MUDBUS RTU for 4-wire versions; (opt.) HART for 2-wire versions
          Max measure range 0.25 ÷ 5 m recommended (6 m max) ; 0.40 ÷ 8 m racommended (10 m max)  
          [In case of non perfectly reflecting surfaces, the maximu distance value will be reduced]

          Blind distance 0,25m (6m vers.) / 0,40m (10m vers.)
          Temperature compensation digital from -30 to 80°C
          Accuracy
          ±0,5% (of the measured distance) not better than ±3mm
          Resolution
          1mm
          Calibration
          4 buttons or via HART/MODBUS RTU
          Warm-up 5 minutes typical
          LCD Display Plug-in display/keyboard 4 buttons matrix LCD
          Ex-proof
          ATEX II 1/2G Ex ia II C T6
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