Overview
The Ex-Pt 720 is a highly accurate temperature measuring instrument designed for use in explosive environments, specifically up to Zone 0. It is compliant with both European and US norms, ensuring its suitability for international applications. The device features a large measuring range and precise four-wire technology, making it ideal for monitoring temperature in hazardous areas.

Specifications
- Operating Temperature: -10 to +50 °C
- Storage Temperature: -20 to +70 °C
- Battery Type: 9 V, IEC 6LR61
- Battery Life: 100 hours
- Dimensions: 190 x 57 x 42 mm
- Weight: 200 g
- Material: ABS, coated
- Warranty: 2 years

Accuracy and Resolution
- Measurement Range: -50 to +400 °C
- Accuracy: ±0.2% of mv (+200 to +400 °C), ±0.2 °C (-50 to +199.9 °C)
- Resolution: 0.1 °C (-50 to +199.9 °C), 1 °C (+200 to +400 °C)

Probes
The Ex-Pt 720 offers a wide selection of probes, including:
- Robust, water-proof immersion/penetration probes for Zones 1 and 2
- Surface probes with widened measuring tips for flat surfaces
- Stainless steel immersion probes for Zones 0, 1, and 2, suitable for use in petrol and oil tanks
Each probe is designed to withstand specific environmental conditions and has varying dimensions and response times (t99).

Accessories
- Various transport cases for the instrument and probes
- ISO and DAkkS calibration certificates for different temperature ranges and probe types

Additional Features
The Ex-Pt 720 includes a carrying strap and a large, easy-to-read display for enhanced security and usability on site. Custom probes can be provided on request to meet specific application needs.

Conclusion
The Ex-Pt 720 is a versatile and reliable temperature measuring instrument, ideal for use in hazardous environments. Its compliance with international standards, along with a broad range of probes and accessories, makes it a comprehensive solution for temperature monitoring in explosive areas.