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QALCOSONIC E2

Product catalog summary

Application
The QALCOSONIC E 2 ultrasonic heat meter is designed for measuring heating or cooling energy consumption in both closed and open systems. It is suitable for use in residential, commercial, and industrial settings.

Special Features
- Suitable for both heat and flow measurements in various systems.
- Includes two flow and two pressure measurement channels.
- Supports additional flow sensors via two pulse inputs.
- Offers pre-programmed or measured pressure values for energy calculations.
- Cold water temperature can be measured or pre-programmed for open loop applications.
- Optional integrated regulation or alarm functions.
- Configurable LCD menu setup.
- Power supply options include an internal battery or 230 V AC, with a battery life of at least 11 years.
- Optical data interface compliant with EN 61107.
- Optional communication modules available.

Approvals
- MID
- EN 1434

Nominal Flow Parameters
The document provides detailed specifications for various flow rates, pressure losses, and pipeline joining methods, ranging from 0.6 m3/h to 950 m3/h.

Technical Data
- Maximum flow temperature: 90°C
- Temperature measurement range: 0°C to 180°C
- Pressure measurement range: 0 to 2500 kPa
- Flow liquid temperature range: 0°C to 130°C
- Accuracy class: 2
- Dynamic range: 1:100 or 1:250

Data Recording and Storage
- Records daily, weekly, and monthly parameter values.
- Data logger capacity for up to 110 days of hourly records and 1461 days of daily/monthly records.
- Archive data retention for up to 36 months, even without power supply for up to 12 years.

Communication Interfaces
- Integrated optical communication interface.
- Optional plug-in modules: M-bus, RS232, RS485, Wireless 868 MHz, MODBUS, MiniBus, RF868MHz.

Power Supply Options
- Internal battery with a lifespan of at least 10 years.
- AC source supply: 230 V, 50 Hz.

Environmental Conditions
- Ambient temperature for calculator: 5°C to 55°C.
- Ambient temperature for flow sensors: -30°C to 55°C.
- Environment class: C according to LST EN1434, M1; E2.
- Protection class: IP65 for calculator and flow sensors (IP67/IP68 on request).

LCD Indicator
- Equipped with an 8-digit LCD displaying parameters, measurement units, and operation modes.
- Displays integral and instantaneous measured parameters, archive data, and device configuration information.

Power Supply Details
- Internal battery: 3.6 VDC, D-cell lithium, with a replacement interval of not less than 11 years.
- Mains supply: AC 50 Hz, 230 V, with power consumption details provided for meter and extra sensors.

Contact Information
Axioma Metering UAB, Kulautuvos str. 45a, Kaunas LT-47190, Lithuania. Email: [email protected], Website: www.axiomametering.com

Catalog excerpts

ULTRASONIC HEAT METER Ultrasonic heat meter QALCOSONIC E 2 is designed for metering of consumed heating or cooling energy in closed or open heating/cooling systems, installed in dwelling houses, office buildings or energy plants. Heat meter QALCOSONIC E 2 consists of the primary flow sensor and the calculator with type approved pair of temperature sensors with Pt500 elements. • High accuracy SPECIAL FEATURES • Heat meter can be used for heat and flow measurements in closed or open loop heat supply systems. • Two flow measurement channels. • Two pressure measurement channels. • Two pulse inputs for additional flow sensors. • Pre-programmed or measured pressure values may be used for energy calculation. • Cold water temperature for open loop application can be measured, or pre-programmed temperature value can be used. • Optional integrated regulation or alarm function. • Flexible menu setup - list of parameter values displayed on the LCD may be configured according to the customer's needs. • Power supply - from internal battery or 230 V AC power source. • Battery lifetime not less than 11 years. • Optical data interface according to EN 61107. • Optional communication modules.

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NOMINAL FLOW PARAMETERS

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*Values of the minimum flow rates for measurement schemes U1L and U2L (accounting of heating-cooling energy ) are presented in brackets. MOUNTING ON ULTRASONIC FLOW SENSOR Brass housing Steel housing

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TECHNICAL DATA DATA RECORDING AND STORAGE Following daily, weekly and monthly parameter values are recorded in heat meter memory: • absolute integral instantaneous parameter values • hourly, weekly and monthly alterations of integral parameters • hourly, weekly and monthly average values for all mea sured temperature and pressure values • error (fault) and information codes (see paragraph. 8.2.2) that occurred during the last hour, day and month Data logger capacity: • up to 110 days (3,5 months) - for hourly records. • up to 1461 days (36 last months) -. for daily and monthly records, Archive...

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The device is equipped with 8-digits LCD (Liquid Crystal Display) with special symbols to display parameters, measurement units and operation modes: 2. Parameter numbers 3. Operation mode 4. Measurenent units tm'/hkPa'GJcalMkWh 1. Groups of parameters The following information can be displayed: • Integral and instantaneous measured parameters; • Archive data; • Device configuration information; • Report printing control information; Display resolution (directly corresponding with pulse output value), depending on programmed maximum flow rate value Power supply for extra sensors • Voltage for...

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Axioma Metering UAB / Kulautuvos str. 45a / Kaunas LT-47190 / Lithuania / [email protected] / www.axiomametering.com

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QALCOSONIC E2

QALCOSONIC E2

Catalog excerpts

All UAB Axioma Metering catalogs and technical brochures