ATEX Certification for Hazardous Areas
The sensor is certified for use in Zone 1 (gas) and Zone 21 (dust) and complies with ATEX II 2G Ex ib IIC T4 Gb and II 2D Ex ib IIIC T80°C Db requirements.
CS Instruments − FA 515 Ex
Sensor for measuring dew point and pressure dew point in potentially explosive atmospheres. Robust industrial design suitable for pressures up to 500 bar and a wide range of non-aggressive gases.
| Measuring Range: −80…+20 °Ctd |
| Output: 4–20 mA (2-wire technology) |
| Pressure Range: −1…500 bar |
| Power Supply: 24 VDC (18…28 VDC) |
| Protection: IP65 |
| ATEX Approvals: II 2G Ex ib IIC T4 Gb (Zone 1) · II 2D Ex ib IIIC T80°C Db (Zone 21) |
| Measuring Range: −80…+20 °Ctd |
| Output: 4–20 mA (2-wire technology) |
| Pressure Range: −1…500 bar |
| Power Supply: 24 VDC (18…28 VDC) |
| Protection: IP65 |
| ATEX Approvals: II 2G Ex ib IIC T4 Gb (Zone 1) · II 2D Ex ib IIIC T80°C Db (Zone 21) |
- FA 515 Ex – Pressure Dew Point Sensor (ATEX)Standard delivery of the FA 515 Ex sensor for dew point and pressure dew point measurement in potentially explosive atmospheres (4–20 mA analog output). Order no.: 0699 5515.
| Parameter | FA 515 Ex |
|---|---|
| Measuring Range [°Ctd] | −80 … +20 |
| Output Signal Scaling | −80 … +20 °Ctd = 4 … 20 mA |
| Pressure Range [bar] | −1 … 500 |
| Power Supply | 24 VDC (18 … 28 VDC) |
| Accuracy (−20 … +20 °Ctd) [°C] | ± 1 |
| Accuracy (−50 … −20 °Ctd) [°C] | ± 2 |
| Accuracy (−80 … −50 °Ctd) [°C] | ± 3 |
| Output | 4 … 20 mA, 2-wire technology |
| Protection Class | IP65 |
| EMC | According to DIN EN 61326-1 |
| Operating Temperature (Dust) [°C] | −20 … +50 (II 2D Ex ib IIIC T80°C Db) |
| Operating Temperature (Gas) [°C] | −20 … +70 (II 2G Ex ib IIC T4 Gb) |
| Storage Temperature [°C] | −40 … +80 |
| Analog Output Load [Ω] | ≤ 300 at 24 V |
| Process Connection / Thread | G 1/2 (stainless steel 1.4404); optional: UNF 5/8″, NPT 1/2″ |
| Electrical Connection | M12, 4-pin |
| Sensor Protection | 50 μm sintered stainless steel filter |
| Approval (ATEX – Gas) | II 2G Ex ib IIC T4 Gb (Zone 1), intrinsically safe, 135 °C |
| Approval (ATEX – Dust) | II 2D Ex ib IIIC T80°C Db (Zone 21), intrinsically safe, 80 °C |
| Ex Power Supply Limits (Max.) | Ui = 28 V, Ii = 95 mA, Pi = 0.65 W |
Reliable Dew Point Measurement in ATEX Areas
Accurate Pressure Dew Point Measurement
Reliably measures dew point and pressure dew point from −80 to +20 °Ctd, enabling effective monitoring of residual moisture in process and gas systems.
Suitable for High Pressures up to 500 bar
The robust pressure-resistant design enables use in high-pressure compressed air and technical gas applications up to 500 bar.
Long-Term Stable Humidity Sensor
A proven sensor with excellent long-term stability ensures reliable measurements and minimal maintenance requirements even in demanding industrial environments.
4–20 mA Output in 2-Wire Technology
The standard 4–20 mA analog output enables easy integration into PLC, monitoring, and SCADA systems within intrinsically safe circuits.
Improved Electronics for Higher Resolution
The new generation of electronics provides higher signal resolution and improved sensor response when measuring very low dew points.
Wide Range of Industrial Gases
Suitable for measurements in compressed air as well as gases such as nitrogen, argon, hydrogen, biogas, and natural gas.
Compressed Air
Compressed AirDew point monitoring in compressed air systems to prevent condensation, corrosion, and equipment damage, even at high pressures.
Energy Industry
EnergyMoisture monitoring in energy and gas systems where reliable measurements and ATEX compliance are essential for safe operation.
Process Industry
ProcessUsed in chemical, petrochemical, and other process industries for moisture monitoring in demanding environments with high pressures and explosion risks.
Measuring devices
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Proposal of the right instrument type and measuring range
Measurement reports, trends, and interpretation of results
Supply, installation, calibration, and service
Where to find us
DirectionsPod lipami 4 · 1370 Logatec, Slovenija
Dew Point Meters
Choose the right dew point sensor or meter for monitoring residual moisture in compressed air and technical gases. The portfolio includes fixed-installation probes, ATEX versions, and portable service instruments.
FA 510 / FA 515
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FA 550
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FA 515 Ex
ATEX VersionDew point probe for hazardous (ATEX) environments, suitable for industrial and process applications.
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FA 505
OEMNew-generation dew point sensor for measuring residual moisture in compressed air and gases.
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DP 500
Portable MeterPortable dew point meter with integrated data logger for precise service measurements of dryers down to −80 °Ctd.
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DP 510
Additional InputAll DP 500 functions with an additional free sensor input.
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DP 400 mobile
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