FA 500 – Dew point sensor with integrated display and alarm relay

Integrated display with buttons for easy operation

• Multiple display pages to show dew point and other measured values such as relative humidity and temperature
• Definition of threshold values for the alarm relay, definition of hysteresis
• Scaling of the analog output 04…20 mA and switching to other measured variables
• Input of system pressure as well as reference pressure for calculation of reference dew points, e.g., atmospheric dew point

Special advantages of the FA 500 dew point sensors:

• Ideal for all types of compressed air dryers with different measuring ranges such as -80…+20°Ctd; -60…+30°Ctd; -20…+50°Ctd
• Sensor element insensitive against condensation and water
• Maximum pressure 500 bar (special version)
• Long-term stable and drift-proof, thus optimized calibration intervals
• Gas-independent measurement, also suitable for other non-corrosive gases
• Fast response time, especially in case of moisture ingress
• BSP- or NPT-Threads
• Protection class IP 65
• Analog output 4…20 mA and Modbus RTU (RS 485) interface, contact relay with limit value adjustable via keys (max. 60 VDC, 0.5A)
• Optional: Modbus TCP (Ethernet), Modbus TCP PoE (Ethernet) or M-Bus interface
• Measured values available in different units, pressure dew point [°Ctd], temperature [°C], rel. humidity [%rh], abs. humidity [g/m³], moisture content [g/kg], moisture content V/V [ppmV/V], water vapor partial pressure [hPa], atmospheric dew point [°Ctd.atm]
• On-site sensor diagnostics with handheld device or CS Service Software