wtw LF 538 Instruction Manuals page 44

Data storage and operation mode in case of power failure
Settings and measuring values remain stored.
Housing
Dimensions / Weight
Instrument security
Protection class
Protection system
44
Technical data
240 x 220 x 110 mm / approx. 1,5 kg
IEC 1010 / class 3
IEC 529 / IP 54
BA51101/11.95/Pro/LF538-1