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PRODUCTS / Dew Point / FA 500 - Dew point sensor with integrated display and alarm relay

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

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Dew point sensor FA 500 for residual moisture measurement in compressed air systems with integrated display. 

With the FA 500 you make the right choice for highest precision in dew point measurements. Our sensor offers a wide span of measuring ranges perfectly matched to the needs of different compressed air dryers. Rely on us for accurate results in any situation.

Monitoring a compressed air dryer is critical to increase energy efficiency, ensure product quality, prevent machine damage, identify maintenance needs and achieve cost savings. This contributes to the smooth operation of compressed air systems in various industrial applications.

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
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Dew point sensor for residual moisture measurement - FA 510 / FA 515

FA 510/515 - Dew point sensor for adsorption dryers

For residual moisture measurement after desiccant dryers/ membrane dryers from -80 to 20°Ctd. New: with Modbus-RTU interface.

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Dew point measurement set for desiccant dryers - DS 52 set

Dew point measurement DS 52-set for desiccant dryers

with the digital process meter DS 52 and the dew point sensor FA 510 with a measuring range from -80 to 20°Ctd.

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Dew point sensor for refrigeration dryers - FA 510 / FA 515

FA 510/515 - Dew point sensor for refrigeration dryers

Dew point measurement from -20 to 50°Ctd. New: with Modbus-RTU interface.

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Dew point measurement set for refrigeration dryers - DS 52 set

Dew point measurement DS 52-set for refrigeration dryers

with the digital process meter DS 52 and the dew point sensor FA 510 with a measuring range from -20 to 50°Ctd.

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Suitable accessories

Standard dew point measuring chamber for compressed air up to 16 bar

Standard measuring chamber

for compressed air up to 16 bar

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High-pressure dew point measuring chamber for compressed air up to 350 bar

High-pressure measuring chamber up to 350 bar

for dew point measuring in high pressure systems such as diving applications, breathing protection for fire departments etc.

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Control and calibration set for dew point sensors

Control and calibration set for dew point sensors

is screwed onto the dew point sensor and therefore enables an easy and low-priced possibility for on-site control and calibration down to -20°Ctd.

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Measuring chamber stainless steel 1.4304 for dew point measurement

Bypass measuring chamber up to 350 bar

for dew point measurement in gases (stainless steel 1.4305)

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