Endress+Hauser EngyCal RH33
BTU meter

Endress+Hauser EngyCal RH33
Input

1x Puls/Analog
2x RTD/Analog
Loop power supply 24V DC (+/-16%)

Output

1x 4...20mA
2x digital (Open Collector)

Display

160 x 80 Dot-Matrix LCD with white backlit
colour change in case of alarm event
active display area 70 x 34 mm

Calculations

heat quantity and heat quantity difference

Item Number: EngyCal RH33
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  • Overview
  • Comments

Custody transfer BTU meter for recording heat quantities of water.

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 (В±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

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.

Certification

CE, UL listed, CSA GP, MID 004 (custody transfer) according EN1434 (water/other liquids) and OIML R75

Input

1x Puls/Analog,
2x RTD/Analog,
Loop power supply 24V DC (+/-16%)

Output

1x 4...20mA,
2x digital (Open Collector)

Relay output

2x

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 (В±50%)

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

Display

160 x 80 Dot-Matrix LCD with white backlit, colour change in case of alarm event, active display area 70 x 34 mm

Others

electronic temperature sensor matching via CvD coefficients, logbook measured values, custody transfer logbook, event logbook, limit monitoring

Calculations

IAPWS-IF97

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