If installed and operated in accordance with these operating instructions, your device will rarely present any problems.

Should you nevertheless need to return an instrument for inspection or repair, please pay strict attention to the following points.

Due to statutory regulations concerning protection of the environment and the health and safety of our personnel, KROHNE may only handle, test and repair returned devices that have been in contact with products that do not pose a risk to personnel and environment. This means that KROHNE can only service your device if it is accompanied by a certificate in line with the specimen shown below confirming that the device is safe to handle. If the device has been operated together with toxic, caustic, flammable or water-endangering products, you are kindly requested:

• to check and ensure, if necessary by rinsing or neutralizing, that all cavities are free from such dangerous substances,

• to enclose a certificate with the gauge conforming that it is safe to handle and stating the product used.

KROHNE regrets that they cannot service your gauge unless such a certificate accompanies it.