User manual

GMC-I Messtechnik GmbH 27
Recalibration
The respective measuring task and the stress to which your mea-
suring instrument is subjected affect the ageing of the compo-
nents and may result in deviations from the guaranteed accuracy.
If high measuring accuracy is required and the instrument is fre-
quently used in field applications, combined with transport stress
and great temperature fluctuations, we recommend a relatively
short calibration interval of 1 year. If your measuring instrument is
mainly used in the laboratory and indoors without being exposed
to any major climatic or mechanical stress, a calibration interval of
2-3 years is usually sufficient.
During recalibration* in an accredited calibration laboratory
(DIN EN ISO/IEC 17025) the deviations of your instrument in rela-
tion to traceable standards are measured and documented. The
deviations determined in the process are used for correction of the
readings during subsequent application.
We are pleased to perform DAkkS or factory calibrations for you in
our calibration laboratory. Please visit our website at
www.gossenmetrawatt.com (→ Company → DAkkS Calibration
Center or → FAQs → Calibration questions and answers).
By having your measuring instrument calibrated regularly, you fulfill
the requirements of a quality management system per
DIN EN ISO 9001.
* Verification of specifications or adjustment services are not part of the
calibration. For products from our factory, however, any necessary ad-
justment is frequently performed and the observance of the relevant
specification is confirmed.
Device Return and Environmentally Compatible Disposal
The instrument is a category 9 product (monitoring and control
instrument) in accordance with ElektroG (German Electrical and
Electronic Device Law). This device is subject to the RoHS direc-
tive. Furthermore, we make reference to the fact that the current
status in this regard can be accessed on the Internet at
www.gossenmetrawatt.com by entering the search term WEEE.
We identify our electrical and electronic devices in
accordance with WEEE 2012/19/EU and ElektroG with the
symbol shown to the right per DIN EN 50419.
These devices may not be disposed of with the trash. Please con-
tact our service department regarding the return of old devices.