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.

NOMINAL FLOW PARAMETERS

*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

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...

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...

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