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Measuring principle
Energy manager
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Measuring principle
Energy manager
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Function
Monitoring and billing of energy in heating and cooling applications as well as combined heating-and cooling circles.
Typical applications can be found in industries, district heating and building automation. -
Calculations
heat quantity and heat quantity difference
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Number of applications
1
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Data storage
yes
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Calculation standards
IAPWS-97
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Communication
web server
USB
Ethernet
Modbus RTU/TCP Slave
M-Bus -
Power supply
Not defined
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Loop power supply
Low voltage power supply:
100 bis 230 V AC (-15% / +10%)
Small voltage power supply:
24 V DC (-50% / +75%)
24 V AC (±50%) -
Protection class
IP65
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Input
1x Puls/Analog
2x RTD/Analog
Loop power supply 24V DC (+/-16%) -
Output
1x 4…20mA
2x digital (Open Collector) -
Dimensions (WxHxD)
144 x 144 x 103.1 mm (5.67″ x 5.67″ x 4.06″)
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Operation
3 button on site or via FieldCare
read out of historical / logged data via Field Data Manager Software (SQL database and visualization interface)
selectable language -
Display
160 x 80 Dot-Matrix LCD with white backlit
colour change in case of alarm event
active display area 70 x 34 mm -
Software functions
Calculated Values:
Energy, volume, density, enthalpy & enthalpy difference, DP-Flow-Compensation, mass, temperature difference
Counters:
Volume, mass, energy, counter in case of failure
Optional:
tariff 1, tariff 2 or seperated heating energy, cooling energy, bilance energy -
Certificates
CE
CSA GP
MID 004 (custody transfer) according EN1434 (water/other liquids)
OIML R75
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Measuring principle
Energy manager
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Function
Monitoring and billing of energy in heating and cooling applications as well as combined heating-and cooling circles.
Typical applications can be found in industries, district heating and building automation. -
Certification
CE, UL listed, CSA GP, MID 004 (custody transfer) according EN1434 (water/other liquids) and OIML R75
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Input
1x Puls/Analog,
2x RTD/Analog,
Loop power supply 24V DC (+/-16%) -
Output
1x 4…20mA,
2x digital (Open Collector) -
Relay output
2x
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Auxiliary power supply
Low voltage power supply: 100 bis 230 V AC (-15% / +10%); Small voltage power supply: 24 V DC (-50% / +75%), 24 V AC (±50%)
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Dimensions (wxhxd)
144 x 144 x 103.1 mm
(5.67″ x 5.67″ x 4.06″) -
Software
Calculated Values:
Energy, volume, density, enthalpy & enthalpy difference,
DP-Flow-Compensation,
mass,
temperature difference;
Counters: volume, mass, energy, counter in case of failure
Optional: tariff 1, tariff 2 or seperated heating energy, cooling energy, bilance energy -
Operation
3 button on site or via FieldCare; read out of historical / logged data via Field Data Manager Software (SQL database and visualization interface), selectable language
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Display
160 x 80 Dot-Matrix LCD with white backlit, colour change in case of alarm event, active display area 70 x 34 mm
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Others
electronic temperature sensor matching via CvD coefficients, logbook measured values, custody transfer logbook, event logbook, limit monitoring
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Calculations
IAPWS-IF97
Field of application
The BTU meter RH33 is used in applications with liquid energy carriers.It calculates the thermal energy of water acc. to EN1434, glycol/water mixtures or other fluids such as thermal oils. Temperature sensor matching using calibrated temperature sensors is done in the device. Potential for cost savings can be shown by using the software available as an accessory.The device has a custody transfer approval and allows bi-directional measurement, e.g. charging/discharging of a heat accumulator.
Recording and billing the quantities of heat and cold in:Heating circuitsCooling circuitsCombined heating and cooling circuitsTypical application areas in industry, long-distance heat networks and building automation.
Benefits
Transparent energy consumption helps you save on energy costsCalibrated, electronically paired temperature sensors ensure the highest accuracy and enable replacement of individual temperature sensors even for certified devices in the field (without reapproval!)Tariff counter for requirements-based billingDetailed data logging of current and counter values and of error messages, off-limit conditions and changes to operating parametersStandard models are suitable for connecting and supplying all common volume flow transmitters and temperature measuring pointsRemote readout via Ethernet and