User Manual
4 GMC-I Gossen-Metrawatt GmbH
Standard Equipment Contact Persons
Recalibration Service
GMC-I Gossen-Metrawatt GmbH will calibrate or recalibrate all in-
struments supplied by us or made by any other manufacturer. Our 
calibration facility is licensed by the German DKD organization 
that is recognized throughout the world. Our products can also 
be recalibrated by any other calibration laboratory based on the 
technical specifications published in the operations manual.
Repair and Replacement Parts Service
DKD Calibration Laboratory* and Rental Instrument Service
If required please contact:
GMC-I Gossen-Metrawatt GmbH
Service Center 
Thomas-Mann-Str. 20
90471 Nürnberg, Germany
Phone: +49 911 8602-0
Fax: +49 911 8602-253
e-mail: service@gossenmetrawatt.com
This address is only valid in Germany. Please contact our 
representatives or subsidiaries for service in other countries.
*   Calibration laboratory for measured electrical quantities, 
DKD – K – 19701, 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 Gossen-Metrawatt GmbH is certified in accordance with 
DIN EN ISO 9001:2000.
Our calibration laboratory is accredited per DIN EN ISO/IEC 
17025 by the Physikalisch-Technischen Bundesanstalt (German 
Federal Institute of Physics and Metrology) and the Deutscher 
Kalibrierdienst (German Calibration Service) under registration 
number DKD–K–19701.
We offer a complete range of expertise in the field of metrology: 
from test reports and factory calibration certificates, right on up to 
DKD calibration certificates.
Our spectrum of offerings is rounded out with free test equipment 
management.
As a full service calibration lab, we can calibrate instruments from 
other manufacturers as well.










