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  1. Emanuel F Lemos

    How to transmit 4-20mA at 2000 meters away?

    But how can I use this converter if I don't have power supply up to sea deep? And the panel for this (above the water, 2000m) doesn't exist. Thanks friends.
  2. Emanuel F Lemos

    How to transmit 4-20mA at 2000 meters away?

    Hello guys, I need a technology suggestion to tackle the following problem: Send a 4-20 mA signal from a PIT (Pressure Indicator Transmitter) to 2000m depth of sea level. Most instruments give me the option of Modbus RS485, but this one goes only up to 1200m in range. Others offer me 4-20mA +...

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