Obligatory calibration for water meters 


The calibration institute informs the owners of water meters regarding their obligation to legal verification and calibration as follows:

1. Obligation for verification and calibration

According to the measuring and verification act (MessEG) water and heat meters are subject to verification and calibration, as long as they are used for business purposes*.

*Meaning as well the settlement of energy and water using meters between homeowners associations and homeowners as well as between tenants and landlords or between an allotment association and its members.

2. Metrological marking

New measuring devices are being marked by the manufacturer through the so called conformity assessment. The calibration period for these devices starts with their placing on the market; they comply to verified and calibrated measuring devices for the entire period of the respective calibration period and don´t need further calibration for the mentioned calibration period.

3. Validity of verification

6 years for cold water, 5 years for warm water

4. Obligation to notify (§ 32 section 1 and 2 MessEG)

In case of using regenerated measuring devices, it is required to notify the competent authority, at the latest 6 weeks after putting into operation. This obligation does not apply to additional facilities and serving measures. For further details, please check the information sheet at www.agme.de or www.eichamt.de. The notification of the new or regenerated measuring device can also be done at www.eichamt.de

5. Administrative offence

Users of measuring devices or measuring data who negligently or intentionally violate the calibration regulations is an administrative offence. The administrative offence can lead to a fine up to 50.000 €.

6. Legal basis

The legal basis to these references can be found in the following acts and regulations:

1) Measuring and verification act (MessEG) in its currently valid version

2) Directive 2004/22/EG of the European Parliament and the Council as of 31st March 2004 relating to measuring devices.

3) Directive 2014/32/EU of the European Parliament and the Council as of 26th February 2014 on the Harmonization of Legislation of the member countries regarding the supply of measuring devices to the market.

4) Measuring and calibration Regulation (MessEV) in the current applicable version.

7. Information

Further information to be found at www.eichamt.de


Usage duration of cold and warm water meters acc. to § 77, Abs. 9 of the Eichordnung

Year of calibration Year of removal
  Cold water Warm water
1998 2004 2003
1999 2005 2004
2000 2006 2005
2001 2007 2006
2002 2008 2007
2003 2009 2008
2004 2010 2009
2005 2011 2010
2006 2012 2011
2007 2013 2012
2008 2014 2013
2009 2015 2014
2010 2016 2015
2012 2017 2016
2013 2018 2017
2014 2019 2018
2015 2020 2019
2016 2021 2020