Operation Manual
4 GMC-I Messtechnik GmbH
Standard Equipment Contact Persons
Recalibration Service
We calibrate and recalibrate all instruments supplied by GMC-I 
Messtechnik GmbH, as well as other manufacturers, at our 
service center, for example after one year within the framework of 
your test equipment monitoring program, as well as prior to use 
etc.
Repair and Replacement Parts Service
Calibration Laboratory* and Rental Instrument Service
If required please contact:
GMC-I Service GmbH
Service Center 
Thomas-Mann-Str. 20
90471 Nürnberg, Germany
Phone: +49 911 817718-0
Fax: +49 911 817718-253
e-mail: service@gossenmetrawatt.com
www.gmci-service.com
This address is only valid in Germany. Please contact our 
representatives or subsidiaries for service in other countries.
DAkkS Calibration laboratory for measured electrical quantities, 
D-K-15080-01-01, accredited in accordance with 
DIN EN ISO/IEC 17025:2005
Accredited quantities: direct voltage, direct current value, direct current 
resistance, alternating voltage, alternating current value, AC active 
power, AC apparent power, DC power, capacitance, frequency, 
temperature
Competent Partner
GMC-I Messtechnik GmbH is certified in accordance with 
DIN EN ISO 9001:2008.
Our DAkkS calibration laboratory is accredited by the Deutsche 
Akkreditierungsstelle GmbH (National accreditation body for the 
Federal Republic of Germany) in accordance with DIN EN ISO/
IEC 17025:2005 under registration number D-K-15080-01-01.
We offer a complete range of expertise in the field of metrology: 
from test reports and factory calibration certificates, right on up to 
DAkkS calibration certificates.
Our spectrum of offerings is rounded out with free test equipment 
management.
As a full service calibration laboratory, we can calibrate instru-
ments from other manufacturers as well.










