Hydro Instruments now offers remote meter (for Chlorine gas or Sulfur Dioxide gas) with a 4-20mA output.
Consider the following points:
1.) The 4-20mA output is a direct readout of the float position. There is a magnet inside the PTFE float. There are 20 Hall Effect sensors on a circuit board measuring the float position.
2.) This unit can be purchased separately, in a floor cabinet, or on a wall panel with OV-110 Omni-Valve or CV-230 Control Valve.
Product specifications can be found under "Gas Feed Systems" web page.
Please contact us for more details.