It is used to measure and indicate the absolute and relative barometric altitude of aircrafts. The indicating unit could be either “m” or “ft”. Indicating units of air pressure correction could be “mmHg”, “inHg”, “inHg” or “mb”.
Main Technical Data
MODEL
MEASURING RANGE
DISCRIPTION
Dimension (mm)
BG-3
-1000~20000ft 28.1~31.0inHg
Three pointer, Ten thousand pointer in plate form
ф 80×105
BG-3A
-1000~20000ft 950~1050mbar
Three pointer, Ten thousand pointer in plate form
ф 80×105
BG-3B
-1000~20000ft 28.1~31.0inHg
Three pointer, Ten thousand pointer in needle form
ф 80×105
BG-3E
-1000~20000ft 950~1050mbar
Three pointer, Ten thousand pointer in needle form
ф 80×105
BG-3G
-1000~20000ft 950~1050mbar 28.1~31.0inHg
Two baro-windows, Three pointer ten thousand pointer in needle form
ф 80×105
BG-3H
-1000~20000ft 950~1050mbar 28.1~31.0inHg
Two baro-windows, Three pointer ten thousand pointer in plate form