Datasheet

13
CERTIFICATION
QM
Reliable Measured Values through Calibration at Regular Intervals
DIN EN ISO 9001-9004 demands test equipment monitoring, if this equipment is relevant for product quality or is used for the preparation of assessments.
This test equipment must be calibrated at regular intervals and retraceable back to national standards. Calibration means to state and document the
deviation of the meter display to an illuminant which is normed by and retraceable to a National Standard. This must be done in a specific procedure.
Depending upon how the respective device is used, a calibration interval of between 12 and 24 months is recommended. A combination including receiving
report, adjustment and final report is also possible for GOSSEN meters.
Strictest Standards for the GOSSEN Light Lab
The GOSSEN Light Lab is equipped with a tested and monitored optical
bench, whose traceability to the national standard maintained by the PTB
(Highest technical authority under the auspices of the Federal Ministry of
Economics and Technology) is guaranteed by means of a Wi41G standard
lamp. The lab is subject to test equipment monitoring in accordance with
DIN EN ISO 9001-9004, and is additionally accredited for illuminance
by DAkks in accordance with DIN EN ISO/IEC 17025 under registration
number D-K-15080-01-00. Therefore the reliability of the product quality,
the competence of all personnel involved, continuous external auditing and
international recognition of the calibration service is a given fact. GOSSEN
offers two different calibration certificates.
Factory Calibration Certificate
The factory calibration certificate comprises testing and documentation of 14
different luminosities over the entire measuring range of 0.00 to 20,000 lx
with a measuring uncertainty of 3 %. Date of calibration, the device’s serial
number, reference conditions, identification of utilized test equipment and
admissible deviations are listed as well in accordance with the standards.
DAkkS Calibration Certificate
The DAkkS calibration certificate comprises testing and documentation
of luminosities including 10, 180 and 1800 lx within the DAkkS certified
range of 1.75 to 2000 lx with a measuring uncertainty of 1.5 %. Type of
calibration, calibration device, calibration method, measurement conditions,
measurement results and measurement uncertainty are described in detail
as well. Calibration is limited to luxmeters which comply with at least class C
in accordance with DIN 5032 or DIN EN 13032.
Calibration of Devices from
Other Manufacturers
After determining that devices from other manufacturers are capable
of being calibrated, we are pleased to issue either a DAkkS or a factory
calibration certificate. If the device does not comply with at least class C, only
factory calibration can be offered.
Devices from other manufacturers cannot be adjusted.