Product Description

   Three Pointer 3 1/8" Barometric Scale Inches Aircraft Altitude Indicator BG-3A # 3 1/8"Dia # Three Pointers Configuration Barometric Scale Inches of Mercury and Millibars Standard, # Range :-1, 000 To 20, 000 ft                                                                                                                                     # Part No. BG-3(28.1-31inHg)                         BG-3A (950-1050mb) #  Weight: 610g   Other part No:   BG-11         0-10000ft,      3 1/8”       28-31inHg BG-11A      0-10000ft,      3 1/8”       950-1050mb BG-11B      0-3000m,        3 1/8”       950-1050mb BG-12         0-5500ft ,       3 1/8”       28-31inHg BG-12A      0-5500ft,         3 1/8”      950-1050mb BG-14         0-5000ft,        2 1/4”       27-31inHg BG-15         0-10000ft,      2 1/4”       27-31inHg BG3            0-3000m,        2 1/4”       910-1050mb BG6-1A      0-6000m,       2 1/4”       900-1050mb BG6-2        0-6000m,        3  1/8”     700-1040mb BG10-2      0-10000m,      3 1/8”      600-1040mb