Attributes . Operating Temperature: 17-23?C ?0.85% rdg (0-?2 mm/m, 0-?0.1146?) ?1.0% rdg (?2-?5 mm/m, ?0.1146?-?0.2865?) Operating Temperature0-40?C ?2.6% rdg (0-2 mm/m, 0-?0.1146?)?2.7% rdg (?2-?5 mm/m, ?0.1146?-?0.2865?) . Names