Qundis Q Heat With Cooling Ultrasonic Energy Meters | UK Supplier
The QUNDIS Q heat & cooling 5.5 US M-Bus / Impuls-IN is a compact ultrasonic energy meter designed for combined heating and cooling energy measurement. With an integrated M-Bus interface, two pulse inputs and a dynamic range of up to 1:250, it provides precise measurement across varying flow conditions while offering straightforward integration into M-Bus metering networks.
QUNDIS Q heat & cooling 5.5 US M-Bus / Impuls-IN Energy Meter
Compact ultrasonic energy metering for systems requiring both heating and cooling measurement, with integrated M-Bus and two additional pulse inputs.
The QUNDIS Q heat & cooling 5.5 US M-Bus / Impuls-IN combines precise ultrasonic flow measurement with the ability to record both heating and cooling energy consumption using a single energy meter.
This makes it particularly suitable for modern building-services installations where the same hydronic system can provide heating during colder periods and cooling during warmer periods.
With a dynamic measuring range of up to 1:250, the meter is capable of accurately recording very low flow rates while retaining the measuring capacity required during periods of higher demand.
An integrated M-Bus interface and two pulse inputs provide straightforward connection to a wider metering system, helping simplify installation and reduce the requirement for additional communication equipment.
Q heat & cooling 5.5 US M-Bus / Impuls-IN at a Glance
- Measurement technology: Ultrasonic
- Energy measurement: Heating and cooling
- Dynamic range: Up to 1:250
- Communication: Integrated M-Bus
- Additional inputs: 2 pulse inputs
- Key advantage: Heating and cooling measurement from a single meter
- Low-flow performance: Designed to accurately measure very low flow rates
- Calculator: Removable calculator unit
- Installation: Compact, low-profile design
- Mounting flexibility: Suitable for challenging installation positions, including overhead mounting
- Typical use: Heating and cooling systems, heat pumps and modern building-services installations
Combined Heating & Cooling Energy Measurement
Unlike a conventional heat-only meter, the Q heat & cooling 5.5 US is designed to measure both heating and cooling energy.
During heating operation, the meter measures the thermal energy transferred from the warmer flow to the cooler return. When the system operates in cooling mode, it can measure the corresponding cooling energy consumption.
This makes the meter particularly useful on systems where heating and cooling are provided through the same pipework, avoiding the need to select a heat-only meter for an application that also requires cooling-energy measurement.
Ideal for Heating & Cooling Systems
The ability to measure both heating and cooling makes this version particularly attractive for modern energy systems where operating modes can change throughout the year. Applications can include reversible heat-pump systems, communal heating and cooling networks and other hydronic systems designed to provide both space heating and cooling.
Precise Ultrasonic Measurement
The Q heat & cooling 5.5 US uses ultrasonic technology to measure the flow of the energy-transfer medium, providing precise measurement without relying on conventional moving mechanical measuring components.
Its wide 1:250 dynamic range is particularly valuable on systems with variable demand, enabling accurate measurement even during periods when the heating or cooling system is operating at relatively low flow rates.
Integrated M-Bus & Two Pulse Inputs
The integrated M-Bus interface allows the meter to connect directly to compatible wired M-Bus networks for centralised energy monitoring and automatic meter reading.
Two additional pulse inputs allow compatible pulse-output meters to be incorporated into the metering network through the Q heat & cooling 5.5 US. This can simplify system design, reduce additional hardware and provide a convenient way of bringing multiple meter readings into the same M-Bus network.
Designed for Restricted Installation Spaces
The low overall height of the Q heat & cooling 5.5 US makes it particularly suitable for installations where available space is restricted.
A removable calculator unit provides additional installation flexibility, allowing the calculator and display to be positioned independently of the flow sensor where required.
The meter is also suitable for challenging installation positions, including overhead mounting, making it a practical solution for compact plant areas, meter cupboards and other space-constrained installations.
Typical Applications
- Combined heating and cooling systems
- Reversible heat-pump installations
- Residential energy metering
- Apartment and flat energy sub-metering
- Communal heating and cooling networks
- Commercial building-services systems
- Systems with variable or low operating flow rates
- Meter cupboards and restricted installation spaces
- Wired M-Bus networks
- Multi-utility metering using additional pulse inputs
Why Choose the Q heat & cooling 5.5 US?
Choose the Q heat & cooling 5.5 US where an installation requires both heating and cooling energy measurement from a single meter. Its 1:250 dynamic range, integrated M-Bus, two additional pulse inputs, compact dimensions and removable calculator make it particularly well suited to modern heating and cooling systems where accuracy, communications and installation flexibility are important.
Need Help Selecting the Correct Q heat & cooling 5.5 US?
Contact Stockshed Metering with your pipe size, expected flow rate, heating and cooling requirements, installation position and communication requirements and we can help identify the most suitable Q heat & cooling 5.5 US configuration for your application.
