Bus-capable / Programmable 4…20 mA Output
LEO 3 is a micro-processor based transmitter with digital double-display for pressure (top display) and for the output signal (bottom display). The display is powered from the 4...20 mA current loop. Functions:
MAX/MIN: Activating the right key brings the Max.- and Min.-values to the lower display. After 5 seconds, the analog signal is indicated again.
RESET: The Max.- and Min.-values are set to actual.
ZERO SET: The zero is set to the applied pressure.
ZERO RES: Restores the instrument back to factory settings.
UNITS: The pressure values can be displayed in different units.
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General Data
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量測範圍
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0...4 bar abs./0...30 bar abs./0...300 bar/0...700 bar/0...1000 bar
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精密度RT (room temperature)
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< 0,1 %FS
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最大容忍錯誤範圍
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< 0,2 %FS
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保護等級
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IP 65
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廠牌
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Keller/瑞士製
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Pressure measurements can be displayed and recorded on PC or Laptop with help of the software ControlCenterSeries30 (CCS30) and a seriel interface cable. Export of recordings to usual file formats possible. Up to 128 devices can be connected together into a KELLER Bus-system.
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