Anemometro:
+/- 5% a 6,12,25,40,75 mph (3,5,11,18,34 m/sec)

Barometro:
+/- 0.05Hg (+/- 1.3 mm/Hg, 1.7 mb, 1.7 hPa)

Umidità esterna:
+/- 3%

Umidità interna:
+/- 5%

Temperatura esterna ed interna:
+/- 1°F a -50,-15,0,40,80,140°F (+/- 0.5°C a -45,-26,-18,+4,+27,+60)

Pluviometro:
+/- 4% di 0.2mm

EMC:
EN50082-1: 1991 Generic Immunity Standard for Residential, Commercial
and Light Industrial Product
EN55022: 1992 Limits and Methods of Measurement of Radio
interference Information Technology Equipment

SAFETY:
EN60950 incl. amendments 1&2: Safety of information technology
equipment including electronic business equipment

Sono conformi alla direttiva EC EMC 89/336/EC