About Thyristor FA 515 Ex Dew Point Sensor
Designed for use within ATEX II 2G Ex ib IIC T4 Gb Zone 1, gas, intrinsically safe, Temp. 135°C zones as well as ATEX II 2D Ex ib IIIC T80°C Db Zone 21, dust, intrinsically safe, Temp. 80°C zones.

FA 515 Ex is a two wire device offering a 4 – 20 mA output for the dew point across the measuring range, it can be used with a wide variety of process gases including air / compressed air, Argon, Nitrogen, Biogas, Natural gas and Hydrogen.
The latest sensor technology offers extremely stable readings over a long term period. The robust design allows it to be used within applications up to 500 bar.
Specifications Of FA 515 Ex Dew Point Sensor
Measuring ranges | -80…20 °Ctd = 4…20 mA |
Pressure range | -1…50 bar -1…500 bar |
Power supply | 24 VDC (18…28 VDC) |
Accuracy | ± 1 °C at -20…+20 °Ctd ± 2 °C at -50…-20 °Ctd ± 3 °C at -80…-50 °Ctd |
Outputs | 4…20 mA in 2-wire technology |
Protection class | IP65 |
EMC | In acc. with DIN EN 61326-1 |
Operating temperature | -20…70 °C |
Storage temperature | -40…+80 °C |
Burden for analogue output | < 500 ? at 24V |
Screw-in thread | G 1/2?, optional 5/8″ UNF |
Connection | M12, 4-pin |
Sensor protection | Sinter fi lter 50 µm stainless steel
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Benefits & Features Of pctflow FA 515 Ex Dew Point Sensor
- IP65 rated
- ATEX II 2G Ex ib IIC T4 Gb Zone 1, gas, intrinsically safe, Temp. 135°C
- ATEX II 2D Ex ib IIIC T80°C Db Zone 21, dust, intrinsically safe, Temp. 80°C
- Air / Compressed air, Argon, Nitrogen, Biogas, Natural gas, Hydrogen use
- Certification for IECEx and ATEX: It conforms with international safety requirements and is safe to use in explosive zones.
- High Accuracy Measurement: Measurement range up to -80°C, accuracy to ±2°C dew point.
- Sturdy Design: constructed with a stainless steel casing to withstand corrosion and extreme conditions.
- Adaptable Output: Analog output (4–20 mA) is supported for control system integration.
- Minimal Power Use: designed to save energy without compromising functionality.
- Quick Reaction: The sensor reacts rapidly to variations in humidity, making it perfect for dynamic applications.
- Compatibility of Systems: For improved data processing, it may be connected to other monitoring equipment.
- Simple Calculation: outfitted with a calibration function that guarantees accuracy over time.
The FA 515 Ex is an Atex approved dew point sensor and transmitter manufactured by CS Instruments.
Application Of pctflow FA 515 Ex Dew Point Sensor
- Petrochemical Industry: Moisture monitoring on natural gas, petroleum and chemicals in explosive zones.
- Compressed Air Systems: Humidity control to prevent corrosion and system damage in hazardous environments.
- Pharmaceutical and Food: Dew point measurement in safe and controlled production environments.
- Power Generation: Moisture monitoring in cooling gases for system efficiency and safety.
- Industrial Gas Processing: Humidity control to ensure gas quality and process safety.
Source : www.pctflow.com
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