The Thermal Measurement Principle of
the AERIUS Gas Meter
II. INTERNATIONAL ISTANBUL SMART GRID
CONGRESS AND FAIR – 8th/9th May 2014
Diehl Group
Corporate Divisions of Diehl:
Sales:
2.83 Bil. Euro
Employees:
14.369
Headquarter:
Nuremberg
Family-owned company since 1902
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
3
Diehl & Diehl Metering Division
Sales:
270 million Euro
Employees:
2.020
7.0 million
Measuring units p.a.
4.6 million
Radio modules p.a.
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
5
Diehl Gas Metering GmbH
Diehl
Gas Metering
Competence center
Gas measurement
Diehl Gas Metering GmbH
Ansbach/Germany
Gas
Jan. 2010 Foundation of Diehl Gas Metering GmbH
Nov. 2011 Approval AERIUS 1.0, start of series
production
June 2012 1. Rev. MID Approval (Pmax 0.5 bar /
Hydrogen admixture to natural gas)
April 2013 2. Rev. MID Approval AERIUS 1.1 + 1.2
(2-pipe version / 434 MHz Radio Frequency)
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
10
Europes most modern gas test laboratory
Our gas meters are tested in the in-house
laboratory in Ansbach (Germany) under realistic
conditions (-25C° to +55C°). This laboratory is
Europes most modern testing center for gas
meters.
The bavarian authority for measurement and
weighting approved the laboratory officially for
testing of gas meters up to 10 m³/h due to 012012-GB 11
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
11
Natural Gas Test Bench
Climate chamber
Heat
exchanger
Heat
exchanger
AERIUS
Rotary piston
meter
Supersonic
nozzle block
AERIUS
1
n
Gastank
• Supersonic nozzles for flow rate setup
• Gas is pumped in circle: less waste of natural gas
• Rotary piston meter for check of supersonic nozzles
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
12
Pump
AERIUS – Solution gas meter…
…the combination of standard volume and intelligent functions
pressure and temperature converting volume
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
13
Microthermal Principle: AERIUS
Temperature range:
Max. operating pressure:
Battery life time:
Communication module:
-25 °C to 55 °C
0.5 bar
20 years
wired M-Bus
wireless M-Bus
Integrated radio module: 868 MHz / 434 MHz
OMS® protocol
AES Key
Fraud detection:
air detection
ATEX
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
14
Microthermal Principle: AERIUS
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
15
Microthermal Principle: AERIUS
Thermopile 1
Thermopile 2
Heating Element
Sensor
Absolute Temperature
Sensor
Electronics
(analog part,
A/D-Converter,
memory)
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
16
Microthermal Principle: AERIUS
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
17
AERIUS in system architecture
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
18
Residential gas billing - Germany DVGW
G685
Diaphragm gas meter
AERIUS
Assumptions:
Temperature 15°C
Air pressure 1016mbar
Pressure in supply pipe 22mbar
Display in relation to:
Temperature 0 °C
Air pressure 1013.25mbar
T-correction
273.15 / 288.15 = 0.9479
p-correction
1016 – (0.12 * m.ü.M.) + 22
1013.25
condition number
= 0.9479 * p-correction
Calorific value
kWh/m3
relative to
273.15 K and 1013.25 mbar
Multiplication with the count
and the condition number
Bill
kWh
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
19
condition number
=1
Residential gas billing - IGDAS
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
20
AERIUS installations in Germany
Fieldtest/Pilotproject 2012
Sample
Pilotproject 2013
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
21
What is the AERIUS benefit?
 A high tech gas metering device…
 Extended dynamic range
 Patented antipollution cyclone filter
 20 years operating lifetime
 …to develop Smart Gas Grid…
 standard volume (RLP)
 High performance and safe communication (OMS)
 Fraud detection
 …and experience satisfied customers
 Transparent and fair billing
 Noiseless and wear-free
 Fire detection
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
22
Do you want to know more?
Steffen Lacher
Product Manager
Steffen.Lacher@diehl-gas-metering.de
Tel: +49-981-1806-309
Fax: +49-981-1806-325
Diehl Gas Metering GmbH
Industriestrasse 13
91522 Ansbach
Germany
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
23
TEŞEKKÜR EDERİM!
AERIUS Gas Meter, May, 9th 2014 - ICSG
© Diehl Metering
24