The Fluidwell E-Series Flow Rate Indicator / Totalizer is a CSA approved explosion proof indicator that accepts pulse output from your meter and indicates flow rate and total.  It will also output pulse and 4 – 20 mA.  Programming can be easily and safely performed through the glass window without exposing the electronics in a hazardous area.   Enclosure can be stainless steel or aluminum, rated for ambient temperature down to -40°C (-40°F).   Additional features include linearization,  HART communication, high and low flow rate alarms.