Hach-Lange REFO 60_REFO 60D - Manual (Page 22)

Operating Instructions REFO 60 / REFO 60-D
8
D Technical Information
D1 Service
Even a product such as the Dr. Lange REFO 60 will benefit from occasional care
and attention.
The outer casing can be cleaned using a dry cloth or mild household cleaner.
Solvents such as benzine, acetone or similar substances must NOT be used.
For maintenance of the calibration standard, refer to chapter C.2.2.
Cleaning of the optical parts shouold be carried out by our customer service.
Further servicing need not be carried out.
D2 Service and Addresses
For further information please contact your local service agent or one of the Dr.
Lange branches:
Dr. Bruno Lange GmbH Berlin Industriemeßtechnik Willstätterstraße 11 40549
Düsseldorf Tel.: (0211)5288136 Fax: (0211)5288106
Dr. Bruno Lange AG Zürcherstraße 35 CH-8604 Hegnau Tel.: (01) 9456610
Fax: (01) 9456676
Dr. Bruno Lange Ges.m.b.H. Mühlweg 87a A-3101 St. Pölten Tel.: (02742)
368540 Fax: (02742) 366448
Dr. Lange Benelux Laan van Westroijen 2a NL-4003 AZ Tiel
Tel.: (0344) 631130 Fax: (0344) 631150