The AMTRON® S3U is a compact energy meter designed for measuring energy consumption in apartments and small units. Here are its key features and technical specifications:

**Key Features:**

1. **Robust Energy Meter:** This energy meter is designed for smart metering, providing accurate measurement of energy consumption.

2. **Removable Display:** The meter features a removable display that can be placed up to 50 cm away from the meter, offering flexibility in installation and visibility.

3. **Easy Assembly:** The meter is easy to install, making it suitable for various applications, including flats, offices, and local and district heating systems.

4. **Heat and Cooling Measurements:** The AMTRON® S3U can measure both heat and cooling energy consumption, making it versatile for various applications.

5. **Long Battery Lifetime:** It offers a battery life of 10+1 years, and the battery is replaceable, ensuring extended operation without frequent replacements.

6. **Dynamic Measuring Cycle:** The meter has a dynamic measuring cycle of 2 seconds to 60 seconds, allowing for precise and frequent measurements.

7. **Accurate Meter Measurements:** The meter provides accurate measurements of energy consumption, ensuring reliable data for billing and monitoring.

**Technical Data:**

– **Nominal Diameter (DN):** Available in sizes ranging from DN 15 to DN 25, suitable for various installation requirements.

– **Nominal Pressure (PN):** Capable of handling pressures up to 16 bar.

– **Battery Life:** 10 years with the option for battery replacement, ensuring long-term operation.

– **Energy Measurement:** Designed as a smart meter for measuring hot, cold, or combined hot and cold energy consumption.

– **Temperature Range:**
– Warm Temperature Range: 15°C to 90°C
– Cold Temperature Range: 5°C to 50°C

– **Ambient Temperature:** Operates in ambient temperatures ranging from 5°C to 55°C.

– **Protection Class:** IP65, offering protection against dust and water.

– **AMTRON S3U Class 2:** Compliant with relevant energy meter standards.

– **Logger:** Equipped with a logger that records 24 monthly values via the M-Bus interface.

– **Removable Display:** The display can be removed and placed up to 50 cm away for easy visibility and access.

– **Impulse Water Meters:** Up to 3 impulse water meters can be connected to the meter.

– **Communication:** Features an M-Bus interface or wireless M-Bus (radio) according to the WHO standard for communication.

– **Metrological Approval:** Complies with the standards of the European Measuring Instruments Directive (MID) 2014/32/EU and PTB K 7.2.

The AMTRON® S3U is a versatile and accurate energy meter suitable for measuring heat and cooling energy consumption in apartments, offices, and small units. Its robust design and long battery life make it a reliable choice for energy measurement and billing.