Dew point sensor FA 515 Ex

Features:

✔ Robust design

✔ Pressure-resistant up to 500 barmA linear output signal

✔ Long-term stable humidity sensor, proven for years

✔ 4…20 mA Analogue output in 2-wire technology

✔ Additional Measured values adjustable via Software: % rH, g/m³, mg/m³, Ppm V/V, g/kg

✔ Explosion protection according to ATEX / safety in hazardous areas

Determines the pressure dew point or dew point in potentially explosive environments and is applicable to a variety of non-aggressive gases.

Description

Dew point sensor FA 515 Ex

The FA 515 Ex Dew Point Sensor is a state-of-the-art instrument designed for precise and continuous monitoring of dew point in compressed air and gas systems, specifically engineered for use in hazardous areas classified as Zone 1. With its robust ATEX certification, the FA 515 Ex guarantees safety and reliability in explosive atmospheres, making it an ideal choice for industries such as chemical processing, oil & gas, pharmaceuticals, and more.

Key Features:

ATEX Zone 1 Certification: Ensures safe operation in potentially explosive environments, complying with stringent international safety standards.
Wide Measuring Range: Accurately measures dew points from -80 °C to +20 °C (or equivalent in ppm), providing versatile application across various industrial needs.
Fast Response Time: Equipped with advanced sensor technology for quick and precise dew point detection.
Robust Construction: Designed with durable materials to withstand harsh industrial conditions, including high pressure and temperature fluctuations.
User-Friendly Interface: Easy to install and configure with clear digital display and optional analog or digital outputs for seamless integration into control systems.
Low Maintenance: Long sensor life with minimal calibration requirements reduces downtime and operational costs.

Why Choose the FA 515 Ex?

The FA 515 Ex stands out for combining safety, precision, and durability. Its ATEX approval ensures compliance with the highest safety standards, allowing you to confidently monitor dew point levels without compromising operational safety. The sensor’s advanced technology delivers reliable data essential for optimizing processes, preventing corrosion, and ensuring product quality.

High pressure measuring chamber (up to 350 bar)
Stainless steel bypass measuring chamber for pressurized gases
Special scaling for alternative humidity parameters (%RH, g/m³, mg/m³, ppm V/V, g/kg)
Shielded connection cables for intrinsically safe circuits
Intrinsically safe power supply and safety barriers

Technical Data

Technical Specifications

Measuring range

-80…20 °Ctd = 4…20 mA

Pressure range

-1…500 bar

Power supply

24 VDC (18…28 VDC)

Measurement accuracy

± 1 °C at -20…+20 °Ctd
± 2 °C at -50…-20 °Ctd
± 3 °C at -80…-50 °Ctd

Output

4...20 mA in 2-wire technology

Protection class

IP 65

EMC

In acc. with DIN EN 61326-1

Operating temperature

-20…50 °C for II 2D Ex ib IIIC T80°C Db
-20…70 °C for II 2G Ex ib IIC T4 Gb

Storage temperature

-40…+80 °C

APPLICATIONS

Compressed Air Quality Monitoring
The FA 515 Ex is ideal for monitoring residual moisture in compressed air systems, ensuring air quality and protecting sensitive equipment from corrosion and water damage.

Gas Drying Processes
It provides precise dew point measurement in gas drying applications, supporting efficient operation of dryers and helping to maintain process integrity in industries where dry gas is essential.

Industrial Refrigeration Systems
By continuously measuring the dew point, the sensor helps prevent condensation and ice formation in refrigeration and cooling systems, enhancing system reliability and efficiency.

Petrochemical and Chemical Plants
The robust, ATEX-approved design allows safe and accurate moisture monitoring in hazardous areas common in petrochemical and chemical processing environments, supporting both safety and product quality.

Pharmaceutical Manufacturing
Pharmaceutical production requires strict humidity control. The FA 515 Ex ensures compliance with industry standards by providing reliable dew point data, even in classified hazardous zones.

Hazardous Area Monitoring (Zone 1 Environments)
Certified for use in ATEX Zone 1 (gas) and Zone 21 (dust), the FA 515 Ex is specifically designed for safe operation in potentially explosive atmospheres, making it suitable for a wide range of process gases including air, argon, nitrogen, biogas, natural gas, and hydrogen.

The FA 515 Ex dew point sensor delivers dependable performance across these applications, combining robust construction, high pressure resistance, and long-term measurement stability for critical moisture monitoring in both standard and hazardous industrial environments.

Downloads

Product Brochures
➤ Technical-Datasheet- Dew point sensor FA 515 Ex

➤ Technical-Manual- Dew point sensor FA 515 Ex