RH33 EngyCal RH33 BTU meter

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 circuits

• Cooling circuits

• Combined heating and cooling circuits

Typical application areas in industry, long-distance heat networks and building automation.

Benefits

• Transparent energy consumption helps you save on energy costs

• Calibrated, 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 billing

• Detailed data logging of current and counter values and of error messages, off-limit conditions and changes to operating parameters

• Standard models are suitable for connecting and supplying all common volume flow transmitters and temperature measuring points

• Remote readout via Ethernet and fieldbuses

• Verified and certified reliability and accuracy

• Measuring principle

  Energy manager

• Measuring principle

  Energy manager

• 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

• Number of applications

  1

• Data storage

  yes

• Calculation standards

  IAPWS-97

• Communication

  web server
  USB
  Ethernet
  Modbus RTU/TCP Slave
  M-Bus

• Power supply

  Not defined

• 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

• 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")

• 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