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Flowmeters
Heat & BTU Energy Meters
BTU and heat energy meters calculate thermal energy from flow and the supply and return temperatures, for chilled water billing, district cooling and HVAC energy management. Seven Star LLC, an independent supplier in Muscat and the authorized pFlow distributor, also supplies Kamstrup, Micronics and Dynasonics energy meters to customers in Oman and the GCC.
Read the full category guide ↓- 19 products
- 4 brands
7 products
Category guide
About Heat & BTU Energy Meters
19 products · 4 brands
BTU and heat energy meters calculate thermal energy from flow and the supply and return temperatures, for chilled water billing, district cooling and HVAC energy management. Seven Star LLC, an independent supplier in Muscat and the authorized pFlow distributor, also supplies Kamstrup, Micronics and Dynasonics energy meters to customers in Oman and the GCC.
Types of BTU meter in this category
pFlow ultrasonic BTU meters such as the E3, E3E, E3RO, E3W, E5, E5E, E8 and D116-BTU, the clamp-on E3CL and the LoRaWAN E3R cover chilled water and heating loops. Kamstrup MULTICAL 303 and 403 compact heat and cooling meters, MULTICAL 603 and 803 energy calculators and ULTRAFLOW 54 flow sensors serve district energy networks. Portable and fixed meters from Micronics and Dynasonics support energy surveys and permanent installations.
How to select a BTU meter
Define pipe size, flow range, supply and return temperatures and whether the application is heating, cooling or both. Choose inline, insertion or clamp-on flow measurement, the temperature sensor pair and the communication (M-Bus, Modbus, BACnet, LoRaWAN, pulse). For billing check the approval required (MID or local).
Data needed for a quotation
Send the model, or pipe size, flow range, temperatures, heating or cooling, communication and quantity.
What to include in your inquiry
These details let us quote the right item the first time.
- Fluid and its state (liquid, gas or steam)
- Line size and pipe material
- Flow range: minimum, normal and maximum
- Operating pressure and temperature
- Output or protocol (4-20 mA, HART, pulse, Modbus)
- Hazardous-area classification, if any
Missing some of them? Send what you have. A nameplate photo or an old part number is enough to start.
Brands in Heat & BTU Energy Meters
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Most viewed in Heat & BTU Energy Meters
Request a Quote for Heat & BTU Energy Meters
Looking for a specific model, part number or brand in Heat & BTU Energy Meters? Send us your requirements and quantities. Seven Star LLC sources genuine industrial equipment for customers across Oman and the GCC and replies with a formal quotation.
- Genuine OEM products
- Supply across Oman & the GCC
- Formal quotation from our sales team
Free, no-obligation quotation · takes about 1 minute
Other enquiries: [email protected] · WhatsApp
Frequently Asked Questions
It multiplies flow by the temperature difference between supply and return and by the fluid heat capacity, then totalises the result.
Yes. Clamp-on models such as the pFlow E3CL use external ultrasonic transducers and surface temperature sensors.
Yes. BTU meters are widely used for chilled water and district cooling billing when correctly sized and installed.
Common options include M-Bus, Modbus, BACnet, pulse outputs and wireless such as LoRaWAN.
The model, or pipe size, flow range, temperatures, application, communication and quantity.








