COMET T3511P – WebSensor for compressed air up to 25 bar, temperature -30 to +105 °C, humidity

COMET T3511P – WebSensor for Compressed Air up to 25 bar with Ethernet, Temperature −30 to +105 °C, Humidity 0–100 %RH, Dew Point, COMET Cloud 

The COMET T3511P is the smart WebSensor for compressed air with Ethernet interface – the professional solution for continuous remote monitoring of temperature, relative humidity and dew point in compressed air systems up to 25 bar. Equipped with a hard-anodized duraluminum probe (1 meter cable, optionally longer) and direct connection to COMET Cloud, it is ideal for compressors, adsorption dryers, refrigeration dryers, pneumatic systems, process air or quality control in industrial, automotive, food, pharmaceutical or workshop applications – anywhere humidity and dew point in compressed air are critical and remote access, alarms & data logging are required.

The high-precision probe measures temperature from −30 to +105 °C (±0.4 °C) and humidity from 0 to 100 %RH (±2.5 %RH from 5–95 % at 23 °C). The dew point is calculated with high accuracy (±1.5 °C at +10 °C and above). All humidity values (absolute humidity, specific humidity, mixing ratio, specific enthalpy) are available directly. The probe is designed for airflow up to 25 m/s (at 1 bar) or 1 m/s (at 25 bar) and is resistant to condensate and oil mist. The Ethernet interface allows direct network connection – with COMET Cloud (3 months free, then 1 Credit/year) for charts, exports, alarms via email/SMS and remote access through web browser or app.

The robust IP65 enclosure protects against dust and water jets – ideal for industrial environments (−30 to +80 °C). The integrated webserver enables configuration, live view and data export without additional software. Alternatively, Modbus TCP, SNMP, JSON or XML protocols are available for integration into your own BMS/SCADA/IoT solution. No cloud dependency – can also be used locally. The probe is replaceable, long-term stable, and available with a traceable calibration certificate (EN ISO/IEC 17025) – ensuring the highest quality for critical applications.

Why the COMET T3511P is the professional WebSensor for compressed air:

• Special probe for compressed air up to 25 bar – hard-anodized duraluminum
• External cable probe 1–4 m – flexible for pipes & tight spaces
• Ethernet & COMET Cloud – remote monitoring, charts & alarms included
• High precision – Temp. ±0.4 °C | Humidity ±2.5 %RH | Dew point ±1.5 °C
• All humidity variables integrated – dew point directly available
• Modbus TCP, SNMP, JSON, XML – open for third-party systems
• IP65 enclosure – weatherproof for industrial & outdoor use
• 3 months COMET Cloud free – then only 1 Credit per year
• Long-term stability & maintenance-free – with calibration certificate

Technical data T3511P:

• Temperature range: −30 to +105 °C (±0.4 °C)
• Humidity: 0 to 100 %RH (±2.5 %RH from 5–95 % at 23 °C)
• Dew point: −60 to +80 °C (±1.5 °C at +10 °C and above)
• Probe pressure range: up to 25 bar
• Airflow: up to 25 m/s (at 1 bar) / 1 m/s (at 25 bar)
• Interface: Ethernet (RJ45)
• Cloud: COMET Cloud (3 months free)
• Protocols: WWW, Modbus TCP, SNMPv1, SOAP, XML
• Alarm notifications: Email, SNMP Trap, Syslog
• Power supply: 9–30 V DC
• Operating temperature: −30 to +80 °C
• Protection rating: IP65 (electronics & probe)
• Warranty: 3 years

Perfectly suited for:

• Compressed air systems & compressors
• Dryers & pneumatic installations
• Industrial & process air monitoring
• Automotive & mechanical engineering
• Food & pharmaceutical production
• Remote monitoring with alarms
• Humidity & dew point control up to 25 bar
• Integration into SCADA & IoT systems

Installation & commissioning – done in minutes

Mount the electronic housing, install the probe into the compressed air line (e.g. via ¼" or ½" thread), connect network and power – done! Configure via the web interface or COMET Cloud within seconds and go online. No server setup required.

Available versions:

• Cable length 1 meter
• Cable length 2 meters
• Cable length 4 meters

Summary:

• Humidity and temperature transmitter
• Humidity and temperature probe made of hard‑anodized duraluminum for compressed air up to 25 bar (cable‑mounted)
• Humidity and temperature probe on cable
• The measured values are also converted into other humidity parameters: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy.

Scope of delivery:

• T3511P – depending on selected cable length
• User manual
• Traceable calibration certificate
• Free TSensor software for transmitter configuration
• COMET Cloud for 3 months
• Power supply not included