Your Global Authority In Hazardous Areas
Your Global Authority In Hazardous Areas
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The EE300Ex is a high-precision, intrinsically safe humidity and temperature sensor certified for ATEX, IECEx, and FM Class I, II, III Division 1 environments. Designed for oil and gas professionals. It is FM certified and listed for air and gas, providing reliable monitoring and humidity measurement in hazardous gas and dust zones.
Modular and built-to-order. Because each unit is custom-configured based on probe type, cable length, display, and specific hazardous area certifications, each would generate its own SKU. Please share the information on the questionnaire attached, and we shall be glad to present a quote for you. Price is a reference, as each configuration will be prepared individually.
| Country of Origin | Austria (AT) |
The EE300Ex is a robust, intrinsically safe sensor designed for the highly accurate measurement of relative humidity and temperature in explosion hazard areas. Engineered for versatility, the entire device can be safely placed within hazardous zones, making it an essential tool for maintaining safety and process integrity in environments with flammable gases or combustible dust.
This sensor excels in challenging industrial fields, offering a pressure rating up to 20 bar and a wide temperature working range of -40°C to 180°C. Beyond standard RH and T measurands, the EE300Ex calculates critical parameters like dew point, absolute humidity, and mixing ratio. Its modular stainless steel design allows for easy installation and maintenance, while the proprietary E+E sensor coating ensures long-term stability even in corrosive or dirty conditions.
✅ Worldwide Hazardous Area Certifications: ATEX, IECEx, NEPSI, FM (USA/Canada), KCs, and TIIS
✅ Multi-Parameter Measurement: Calculates Td, Tf, dv, r, aw, and X (ppm)
✅ Industrial Durability: IP65-rated stainless steel enclosure and sensing probe
✅ High-Pressure Performance: Pressure tight up to 20 bar (300 psi)
✅ Advanced Protection: Optional proprietary sensor coating for corrosive and dusty environments
✅ Flexible Power: Compatible with any intrinsically safe supply unit or Zener barriers
✅ Dual Analog Outputs: Two 4-20 mA, 2-wire outputs for seamless DCS/PLC integration
✅ Maintenance Friendly: The measuring section can be replaced without removing wiring
✅ Local Monitoring: Optional integrated LCD for real-time data visualization
🔹 T1 - Wall Mount: Designed for ambient monitoring in hazardous storage or process rooms
🔹 T7 - Remote Probe: Pressure-tight remote probe with cut-in fitting for process integration
🔹 T10 - Sliding Fitting Probe: Allows for assembly and disassembly under pressure up to 20 bar
🔹 Display Option: Available with or without integrated LCD
| Feature | Details |
|---|---|
| Measurement Range | Humidity: 0...100% RH; Temperature: -40...180 °C (-40...356 °F) +1 |
| Accuracy (RH) | ±(1.3 + 0.3% * mv) % RH at -15...40 °C |
| Accuracy (Temp) | ±0.2 °C at 20 °C (Wall mount: ±0.5 °C at 20 °C) +1 |
| Pressure Range | Up to 20 bar (300 psi) for remote probes +1 |
| Output Signal | 2 x 4...20 mA (2-wire) galvanically isolated +1 |
| Supply Voltage | 9 V DC ... 28 V DC (via intrinsically safe supply) +1 |
| Enclosure Material | Stainless steel 1.4404 / IP65 protection +1 |
| Calculated Values | Dew point, humidity, mixing ratio, water content (ppm), etc. +1 |
| Hazardous Approvals | ATEX, IECEx, FM, NEPSI, KCs, TIIS |
| Electrical Connection | M16 or M20 cable glands; screw terminals max 1.5 mm² |
🔗 TPS13ATEX38892003X_engl
🔗 Certificate_of_Conformity_EE300Ex_US
🔗 TIIS (Japan) – Certified for gas applications
🔗EE300Ex Customer Configuration Questionnaire - EE300Ex
🔗Download Datasheet
🔹 Oil & Gas
🔹 Chemical Plants (Process control)
🔹 Pharmaceutical Manufacturing
🔹 Flour Mills and Dusty Environments
🔹 Explosive / Hazardous Storage Rooms
📦 1x EE300Ex Sensor (Wall Mount or Remote Probe as ordered)
📦 1x Inspection Certificate according to DIN EN 10204-3.1
📦 1x Technical Documentation and Installation Guide
📦 (Optional) Integrated LCD Display
📦 (Optional) Selected Probe Fittings and Filter
📦 Lead Time: 3 - 4 Weeks
📍 Shipping Terms: Worldwide / Expedited Options
💳 Payment Options: Credit Card, PayPal, Net 30 Terms
🔗 EE-PCA Product Configuration Adapter
🔗 Intrinsically Safe Supply Unit (STAHL 9160)
🔗 Safety Barrier (STAHL 9002)
Where can the device be installed?
The entire device, including the electronics enclosure, can be placed directly in the explosion-endangered area.
What is the maximum pressure rating?
The sensor is pressure-tight up to 20 bar (300 psi).
Is a display available for dust applications?
Per ordering guidelines, no display is possible for environments with combustible dust, fibers, or flying.
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