9.4 Calibration
To maintain the specified precision of the measurement results, the instrument must be recali-
brated at regular intervals by our factory service. We recommend a recalibration interval of one
year. Send the appliance to the following address:
BENNING Elektrotechnik & Elektronik GmbH & Co. KG
Service Centre
Robert-Bosch-Str. 20
D - 46397 Bocholt
10. Environmental notice
At the end of the product's useful life, please dispose of it at appropriate collection
points provided in your country.
11/ 2008
BENNING ST 710
20