Smart Dew Point Measurement Sensor with Hygrometer Function and Wireless Capabilities

• Customization: Available
• Brand: CS
• Customized: Non-Customized
• Model NO.: FA 500
• Certification: CE
• Power Supply: 24 VDC (10…36 VDC)
• Protection Class: IP 65
• EMC: in Acc. with DIN En 61326-1
• Operating Temperature: -20…50 °c
• PC Connection: RS 485
• Burden for Analogue Output: < 500 Ω
• Transport Package: Export Carton
• Specification: 76.5 x 85 x 75 mm
• Trademark: CS
• Origin: Germany
• HS Code: 9025800090
• Production Capacity: 10000 PCS Per Year
• Package Size: 20.00cm * 15.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Description

 

FA 510/515 Dew Point Sensor

Introducing the unparalleled FA 500, your ultimate choice for dew point measurement. This advanced instrument comes with an integrated display and alarm relay, designed specifically for refrigeration, membrane, and adsorption dryers.

Product Information

 

Typical Applications:
• Integrated display to provide real-time monitoring
• Adjustable threshold value via keypad, with an alarm relay (max. 60 VDC, 0.5 A) ensuring operational safety
• Pressure-resistant up to 500 bar (available in special versions)
• Exceptionally stable for long-term operation
• Rapid adaptation time for quick responsiveness
• 4...20 mA analog output dedicated for dew point measurement
• Versatile for different refrigeration and adsorption dryer configurations
• NEW: Modbus-RTU interface for seamless communication
• NEW: Enhanced sensor signal resolution thanks to improved evaluation electronics
• NEW: On-site sensor diagnostics with a portable device or using CS Service Software

 

Readable via Modbus:
- Pressure dew point [°Ctd.]
- Temperature [°C]
- Relative humidity [% RH]
- Absolute humidity [g/m³]
- Degree of humidity [g/m³]
- Moisture content V/V [ppmV/V]
- Water vapor partial pressure [hPa]
- Atmospheric dew point [°Ctd.atm]

Features

 

 

• Perfectly suited for all types of compressed air dryers with various measuring ranges such as -80...+20°Ctd, -60...+30°Ctd, -20...+50°Ctd.
• Sensor element designed to resist condensation and water ingression.
• Maximum pressure endurance up to 500 bar (special versions available).
• Long-term stability and drift-proof design, resulting in optimized calibration intervals.
• Gas-independent measurement, making it suitable for various non-corrosive gases.
• Fast response time, especially in moisture ingress situations.
• Available with BSP or NPT threaded connections.
• Protection class rated at IP 65.
• Analog output 4...20 mA and Modbus RTU (RS 485) interface, along with contact relay with limit value adjustable via keys (max. 60 VDC, 0.5A).
• Optional interfaces: Modbus TCP (Ethernet), Modbus TCP PoE (Ethernet), or M-Bus.
• Measured values accessible in various units including pressure dew point [°Ctd], temperature [°C], relative humidity [%rh], absolute 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 available with a handheld device or CS Service Software.

Product Parameters

 

TECHNICAL DATA FA 510/515

Measuring range	-80…20 °Ctd, -60… 30 °Ctd, -20…50 °Ctd, or 0…100% RH
Accuracy	± 1 °C at 50…-20 °Ctd ± 2 °C at -20…-50 °Ctd ± 3 °C at -50…-80 °Ctd
Pressure range	-1…50 bar Special version up to 500 bar
Power supply	24 VDC (10…36 VDC)
Protection class	IP 65
EMC	In acc. with DIN EN 61326-1
Operating temperature	-20…50 °C
Connection	2 x M12, 5-pin for analogue output, Modbus-RTU and alarm output, M-Bus (optional) Ethernet (PoE) (optional)
PC connection	4…20 mA = -80…20 °Ctd 4…20 mA = -60…30 °Ctd 4…20 mA = -20…50 °Ctd
Burden for analogue output	< 500 Ω
Alarm relay	NC, max. 60 VDC, 0.5 A
Screw-in thread	G 1/2″
Dimensions housing	76.5 x 85 x 75 mm (WxHxD)

 

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