wtw pH 315i Operating Manual page 38

Technical data
Power supply
Mechanical
structure
Guidelines
and norms used
Test certificates
38
Batteries
Operational life
Type of protection
EMC
Instrument safety
Climatic class
Type of protection
FCC Class A Equipment Statement
Note: This equipment has been tested and found to comply with
the limits for a Class A digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is
operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual,
may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause
harmful interference in which case the user will be required to
correct the interference at his own expense.
cETLus, CE
4 x 1.5 V alkali-manganese batteries,
Type AA
Approx. 3000 operating hours
IP 66
EG guideline 89/336/EWG
EN 61326 -1:1997
EN 61000-3-2 A14:2000
EN 61000-3-3:1995; FCC Class A
EG guideline 73/23/EWG
EN 61010-1 A2:1995
VDI/VDE 3540
EN 60529:1991
pH 315i