Dew point sensor-FA 550

Features:

✔ Dew point measurement in compressed air systems after adsorption dryers, membrane dryers or refrigeration dryer

✔ Residual moisture measurement and dew point measurement in gases such as: oxygen, nitrogen, argon, hydrogen, natural gas, biogas

The FA 550 is ideally suited for outdoor dew point measurement and reliably determines dew points even under harsh industrial conditions. The FA 550 dew point sensor combines ruggedness, precision, and advanced communication capabilities, making it an excellent choice for outdoor and industrial dew point monitoring. Its robust aluminum housing, high pressure resistance, and flexible output options ensure reliable performance in compressed air systems and a variety of gas applications, even in challenging environments.

Description

Dew point sensor-FA 550

The FA 550 dew point sensor is designed for reliable and precise dew point measurement in compressed air and various gases, even under harsh industrial and outdoor conditions. Housed in a rugged, waterproof die-cast aluminum enclosure with an IP67 rating, it ensures durability and protection against dust and water ingress, making it ideal for demanding environments.

Key Features

Robust and Waterproof Housing:
Die-cast aluminum housing with IP67 protection for outdoor and industrial use.
Accurate Dew Point Measurement:
Measures dew point in compressed air systems after adsorption, membrane, or refrigeration dryers.
Wide Gas Compatibility:
Suitable for residual moisture measurement in gases such as oxygen, nitrogen, argon, hydrogen, natural gas, biogas, and more.
Pressure Resistant:
Optional pressure resistance up to 500 bar, enabling use in high-pressure systems.
Integrated Alarm Relay:
Adjustable limit value alarm relay (max 60 VDC, 0.5 A) for on-site monitoring and safety.
Analog Outputs:
Standard 4…20 mA analog output, with optional dual outputs for simultaneous dew point and temperature signals.
Advanced Communication Interfaces:
Optional Modbus RTU and Ethernet interfaces for easy integration into modern control systems.
Enhanced Sensor Electronics:
Improved evaluation electronics provide higher resolution sensor signals and fast response times.
On-Site Sensor Diagnostics:
Enables sensor status checks using handheld devices or CS Service Software, facilitating maintenance and troubleshooting.
- - - Robust, waterproof die-cast aluminum housing, IP 67
    - Alarm relay – limit value adjustable via buttons (max 60VDC, 0.5 A)
    - 4 … 20 mA analog output
    - Optional: 2 pieces 4 … 20 mA analog output e.g. for dew point and temperature
    - Extremely long-term stable
    - Fast adjustment time
    - Pressure resistant up to 500 bar (optional)
    - NEW: Modbus RTU interface
    - NEW: Ethernet interface (optional)
    - NEW: Higher resolution of the sensor signal due to improved evaluation electronics
    - NEW: Sensor diagnosis on-site with handheld device or CS Service Software
    - Readable via Modbus: pressure dew point [° Ctd.], temperature [° C], rel. humidity [% RH], abs. humidity [g / m3], degree of humidity [g / m3], moisture content V / V [ppmV / V], Partial vapor pressure [hPa], atmospheric dew point [° Ctd.atm]

Technical Data

Technical Specifications

Measuring range

-80…20 °Ctd, -60…30 °Ctd,
-20…50 °Ctd, or
0…100% RH

Measurement 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 350 bar or 500 bar

Power supply

24 VDC (10…36 VDC)

Protection class

IP 67

Operating temperature

-20…50 °C

APPLICATIONS

Compressed Air Systems:
Monitoring dew point after adsorption, membrane, or refrigeration dryers to ensure optimal air quality and prevent equipment damage.
Industrial Gas Monitoring:
Measuring residual moisture and dew point in various gases such as oxygen, nitrogen, argon, hydrogen, natural gas, and biogas-critical for quality assurance and process safety.
Outdoor and Harsh Environments:
Ideal for installations exposed to dust, moisture, and extreme conditions, thanks to its rugged and waterproof construction.
High-Pressure Applications:
Suitable for systems with pressures up to 500 bar (optional), making it versatile for a wide range of industrial processes.
Process Control and Automation:
With analog outputs, alarm relay, and optional Modbus/Ethernet interfaces, the FA 550 integrates seamlessly into modern control systems for real-time monitoring and automated safety responses.
Sensor Diagnostics and Maintenance:
Supports on-site sensor diagnosis via handheld devices or CS Service Software, ensuring reliable operation and simplifying maintenance.