for residual moisture measurement in explosive areas4...20 mA la Intrinsically safe power supply Power supply Contro ler/PLC i=4...20mA ATEX Safe area Hazardous Special features: The FA 515 Ex measures dew point resp. pressure dew point in potentially explosive atmospheres and can be used in many non-aggressive gases. Typical applications: • Air / Compressed air • Argon • Nitrogen • Biogas • Natural gas • Hydrogen • etc... Robust design Pressure-tight up to 500 bar Long-term stable humidity sensor, approved for years 4...20 mA analogue output in 2-wire technologie Further parameters adjustable via software: % RH, g/m3, mg/m3, ppm V/V, g/kg NEW: Higher resolution of the sensor signal due to improved evaluation electronics Approvals: II 2G Ex ib IIC T4 Gb Zone 1, gas, intrinsically safe, Temp. 135°C ATEX II 2D Ex ib NIC T80°C Db Zone 21, dust, intrinsically safe, Temp. 80°C ATEX FA 515 Ex may only be used in connection with approved Ex-rated power supplies or safety barriers or galvanic separating elements with max.: U2 = 28 V max. I2 = 93 mA max. P2 = 0,65 W max. Technical data FA 515 Ex Measuring range: -80...20 °Ctd = 4...20 mA Accuracy: ± 1 °C bei -20...-20 °Ctd technology Protection class: IP 65 Burden for analogue output: < 500 O at 24V Screw-in thread: G 1/2“ stainless steel, Sensor protection: Sintered filter 50 pm stainless steel