The Spire Metering tPrime™ Series 280T-S is an advanced ultrasonic BTU heat meter designed for accurate measurement of heating and cooling energy consumption in residential, commercial and industrial applications. Using advanced ultrasonic flow measurement technology, the meter operates without moving parts, ensuring wear-free performance, long-term stability and minimal maintenance. It is suitable for HVAC systems, district heating and cooling networks, commercial buildings, residential submetering and energy management applications.
The tPrime 280T-S ultrasonic heat meter incorporates multipath ultrasonic technology to improve measurement accuracy and provide reliable performance in both clear and dirty water conditions. It offers a wide dynamic measuring range, an operating temperature of up to 120°C (high-temperature version), and a nominal pressure rating of PN16. The meter features an LCD display for monitoring energy consumption, water volume, flow rate, temperature and operating information. Available pipe sizes range from DN15 to DN600, with different connection options depending on meter size.
The tPrime 280T-S supports advanced communication options, including M-Bus, RS485/Modbus and BACnet, enabling integration with Building Management Systems (BMS), Automatic Meter Reading (AMR) and Advanced Metering Infrastructure (AMI). Its data logger stores 24 monthly energy totals, supporting energy monitoring, billing and consumption analysis. ZENTRANSTECH provides BTU meter supply, installation, testing, commissioning, calibration support, troubleshooting, repair and AMC services for HVAC and commercial building applications across India.