Contadores de calor

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DELTA III M-Bus | G3/4, 1,5 m³/h, 110mm

Contador de energía térmica DN15 con M-Bus 110 mm, G3/4, 1,5 m³/hHelvatron DELTA III contador ultrasónico de energía térmica DN15 (110 mm), G3/4, 1,5 m³/h con interfaz M-Bus y homologación MID para fines de facturación. Diámetro nominal: DN 15, rosca de conexión: G3/4B Caudal nominal qp: 1,5 m³/h, qi: 15 l/h, qs: 3,0 m³/h Longitud de instalación: 110 mm Tecnología de medición: medición ultrasónica Sensor de temperatura: 5,2 mm, sensor de temperatura de 1,5 m Homologación MID (Módulo B: PTB Alemania / Módulo D: METAS Suiza) Lectura remota: interfaz M-Bus, p. ej. con M-Center Instalación: retorno, PN16/PN25 Vida útil de la batería: >10 años El DELTA III es un contador ultrasónico de energía térmica compacto para la medición precisa del consumo en edificios, bloques de viviendas, complejos residenciales y aplicaciones comerciales. Tecnología ultrasónica: ventajas para la facturación y el funcionamiento a largo plazoLa medición ultrasónica significa: sin piezas móviles, lo que se traduce en menos desgaste, valores de medición estables y un funcionamiento con menor necesidad de mantenimiento durante toda la vida útil. Lectura remota M-Bus: integración en facturación y gestión energéticaEsta versión DN15 (G3/4B, longitud de instalación de 110 mm) está diseñada para instalaciones residenciales típicas en las que la seguridad de facturación y la lectura digital son decisivas.Gracias a la interfaz M-Bus integrada, el contador puede integrarse directamente en sistemas de facturación existentes e infraestructuras M-Bus, ideal para edificios existentes donde se prefiere una comunicación cableada y estable.Ventajas prácticas para operadores y empresas de facturación:- Lectura remota sin acceso a la vivienda y sin errores de lectura manual- Valores anuales y mensuales almacenados en el contador (para informes y comprobación de plausibilidad)- Escalable dentro de la red M-Bus (por ejemplo, mediante registrador de datos/gateway)Ámbitos de aplicación típicos:Edificios de viviendas, complejos residenciales/barrios, contracting, inmuebles comerciales, monitorización energética. Fabricante: Helvatron AG, Número de artículo: BAAC10CABM

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BTU Meters (Heat Meters - Cooling Meters)

BTU meters - commonly called heat meters, cooling meters or thermal energy meters in EU and international markets - measure the transferred thermal energy in hydronic heating and cooling systems. Energy is calculated from flow and the temperature difference (ΔT) between supply and return, typically reported in kWh/MWh (and optionally MJ or other units depending on configuration).

Why use a BTU (heat) meter?

Billing & submetering: transparent, consumption-based allocation in multi-tenant buildings.
Energy monitoring: track heat/cooling usage for optimisation and reporting.
Performance verification: validate system efficiency, retrofits, and savings.
Reliable integration: connect to BMS/EMS and remote reading infrastructures.

Typical applications

Apartment and tenant submetering
District heating and district cooling
Commercial buildings (HVAC plants, risers, branches, AHUs)
Industrial process heat and heat recovery

Communication & system integration

Choose the interface that matches your metering architecture—wired for stable building networks, or wireless for retrofit and hard-to-reach installations.

Common interfaces for heat meters
Interface	Best for
M-Bus	Multi-tenant submetering, building networks, data concentrators
RS-485 / Modbus RTU	Industrial sites, plant rooms, BMS integration
LoRa / LoRaWAN	Retrofits, remote reading, low-power long-range wireless
Pulse outputs	Simple integration into counters, PLCs, data loggers

How to select the right heat meter

Pipe size & flow range: DN size, nominal flow, peak flow.
Heating only vs. heating + cooling: required registers and measurement modes.
Temperature sensor setup: paired sensors, immersion pockets, cable length.
Connectivity: M-Bus, Modbus/RS-485, LoRa, pulse, etc.
Installation constraints: available straight pipe runs, orientation, accessibility.
Local requirements: depending on country and use case, compliance (e.g., EN standards / MID) may be required—confirm your project’s regulatory needs.

BTU meters available

Filter by DN size, interface, and application. For project support, share your DN, flow range, heating/cooling requirement, and preferred interface.

FAQ

Are “BTU meter” and “heat meter” the same thing?

In practice, yes. “BTU meter” is a common term in some markets, while “heat meter” or “thermal energy meter” is widely used in Europe. Both refer to meters that calculate thermal energy from flow and ΔT in hydronic systems.

Can a heat meter measure cooling energy too?

Many models can support both heating and cooling measurement depending on configuration, sensor setup, and registers. Check the meter’s supported modes for your application.

Ultrasonic vs. mechanical heat meters: what’s the difference?

Ultrasonic meters typically have no moving parts, which can reduce wear and help maintain stable accuracy over time. Mechanical meters can be cost-effective, but performance may be more sensitive to water quality and long-term mechanical wear.

Which interface is most common in European submetering?

M-Bus is widely used in multi-tenant submetering systems across Europe. For plant rooms and BMS/industrial environments, Modbus RTU (RS-485) is also very common.

Do heat meters require straight pipe runs?

Requirements vary by meter type and model. Many installations need recommended upstream/downstream straight lengths to ensure accuracy. Follow the meter’s installation instructions for your DN and layout. Usually for BTU meters / heat meters DN15 to DN40 no straightening pipe is required, for flange meters usually a straight pippe of 5d / 3d is required.

What information do I need for a quote?

Provide DN size, expected flow range, heating/cooling requirement, temperature range, preferred interface (M-Bus/Modbus/LoRa/etc.), and any installation constraints (space, accessibility, power availability).

BTU meters for billing, submetering and energy management

Heat meters are a core component in modern energy management strategies—especially where transparent consumption data supports cost allocation, optimisation, and sustainability reporting. With the right interface, BTU meters can be integrated into data concentrators, gateways, and software platforms to enable remote readings, dashboards, alerts, and long-term analytics.