• Robust design
• Pressure-tight up to 500 bar
• Long-term stable humidity sensor, approved for years
• 4...20 mA analogue output in 2-wire technology
• Adjustable parameters via software: % RH, g/m³, mg/m³, ppm V/V, g/kg
• New: Higher resolution of the sensor signal due to improved evaluation electronics

• II 2G Ex ib IIC T4 Gb: Zone 1, gas, intrinsically safe, Temp. 135°C
• II 2D Ex ib IIIC T80°C Db: Zone 21, dust, intrinsically safe, Temp. 80°C

FA 515 Ex may only be used 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.

• Measuring range: -80...20 °Ctd = 4...20 mA
• Pressure range: -1...500 bar
• Power supply: 24 VDC (10...30 VDC)
• Accuracy: ± 1 °C at -20...-20 °Ctd, ± 2 °C at -20...-50 °Ctd, ± 3 °C at -50...-80 °Ctd
• Output: 4...20 mA in 2-wire technology
• Protection class: IP 65
• EMV: according to DIN EN 61326-1
• Operating temp.: -20...70 °C
• Storage temp.: -40...80 °C
• Burden for analogue output: < 500 Ω at 24V
• Screw-in thread: G 1/2“ stainless steel, optional 5/8” UNF
• Connection: M12, 4-pin
• Sensor protection: Sintered filter 50 µm stainless steel

• Air / Compressed air
• Argon
• Nitrogen
• Biogas
• Natural gas
• Hydrogen

• FA 515 Ex pressure dew point meter: Order no. 0699 5515
• Measuring chamber up to 350 bar: Order no. 0699 3590
• Measuring chamber made of stainless steel: Order no. 0699 3290
• Special scaling analogue output to other humidity parameters: % rF, g/m³, mg/m³, ppm V/V, g/kg: Order no. Z699 0514
• Intrinsically safe power supply, safety barriers: Order no. 0554 3071