... the constant measurement and indication ofLiquid level in the storage tank,pool,water tank of industrial production process.Measuring ... Float level transmitter Resolution10mm, 20mmpower supply24VDC ± 30%Output signaltwo line loop 4~20mADensity.min0.5kg/dm3oper.pressure25baroper.temperature-45 °C ... Explosion approval Ex dIICT5 float level gauge for glass line storage tank, water sprinkler system tank