Intrinsically Safe HMT370EX Transmitter

The Intrinsically Safe HMT370EX Transmitter is the latest generation of intrinsically safe humidity and temperature transmitters engineered for use in hazardous environments such as offshore platforms, chemical plants, and pharmaceutical manufacturing. Built to perform with precision in areas classified as Zone 0, 1, 2 or Division 1 and 2, the HMT370EX offers unmatched accuracy and stability in the most demanding applications.

This advanced sensor system features interchangeable probes, wide operating ranges, and exceptional long-term measurement stability. Whether installed in confined spaces, explosive gas zones, or harsh industrial atmospheres, the HMT370EX delivers reliable environmental data you can trust—fully compliant with ATEX, IECEx, and CSA certifications.

Key Features:

✅ ATEX, IECEx, CSA Certified for Zone 0 / Division 1 use
✅ Interchangeable probe modules for flexible deployment
✅ IP66-rated stainless steel housing for harsh environments
✅ Analog and digital outputs (4–20 mA, Modbus RTU)
✅ High-accuracy humidity and temperature sensing
✅ Intrinsically safe maintenance and calibration in the field
✅ Optional display with multilingual interface
✅ Wide temperature and RH operating ranges
✅ Compatible with cleanroom, HVAC, and industrial gas monitoring

📦 Package Options:

🔹 Transmitter with standard HMP370 probe and mounting hardware

HMT370EX Technical Specifications:

Specification	Details
Model	HMT370EX
Measurement Parameters	Relative Humidity (RH), Temperature
Humidity Range	0 to 100 %RH (non-condensing)
Temperature Range	-40°C to +60°C (depending on probe)
Accuracy	±1.0 %RH / ±0.2 °C (typical)
Output Signals	4–20 mA, Modbus RTU
Certifications	ATEX, IECEx, CSA (Zone 0 / Division 1 approved)
Probe Type	Interchangeable; various models available
Display (Optional)	LCD, multilingual interface
Housing Material	Stainless steel
Ingress Protection	IP66 (dust-tight and water-resistant)
Operating Voltage	10 to 35 VDC
Mounting	Wall or duct mount
Calibration	Field-serviceable, NIST-traceable calibration

Certifications & Compliance:

🔗 ATEX – Approved for Zone 0, 1, and 2 explosive atmospheres
🔗 IECEx – Global standard compliance for gas and dust hazards
🔗 CSA – Class I, Division 1 certified for North America
🔗 IP66 Enclosure – Full protection against water jets and dust ingress
🔗 Download Datasheet

Applications of HMT370EX:

🔹 Oil & Gas Facilities
🔹 Chemical & Petrochemical Plants
🔹 Pharmaceutical Cleanrooms
🔹 Food & Beverage Production
🔹 Environmental Monitoring Stations

What’s in the Box?

📦 1x HMT370EX Transmitter Unit
📦 1x Humidity & Temperature Probe
📦 1x Mounting Bracket
📦 1x Documentation Kit
📦 1x Calibration Certificate

Ordering & Shipping Details

📦 Lead Time: 2-3 weeks
📍 Shipping Terms: Worldwide delivery / Expedited available
💳 Payment Options: Credit Card, PayPal, Net 30 Terms

FAQs:

Is the HMT370EX safe for Zone 0 installations?
Yes, it is certified for use in Zone 0 hazardous areas and can be safely operated in explosive gas atmospheres.

Can the probe be replaced or upgraded?
Absolutely. The transmitter supports interchangeable probes for easy upgrades or maintenance.

Does it support digital communication?
Yes, it supports both analog (4–20 mA) and digital (Modbus RTU) outputs for integration into control systems.

Is there an option with a display?
Yes, a multilingual LCD display module is available as an optional add-on for local monitoring.