Vertical Speed Indicators


3 1/8" Vertical Speed indicators 
Part # 
Range 
Dial Name 
831020 
±2000 ft/min 
Vertical Speed 
831022 
±2000 ft/min 
Climb 
831023 
±2000 ft/min 
Rate of Change 
831024 
±2000 ft/min 
Cabin Climb 
831030 
±3000 ft/min 
Vertical Speed 
831032 
±3000 ft/min 
Climb 
831033 
±3000 ft/min 
Rate of Change 
831034 
±3000 ft/min 
Cabin Climb 
831040 
±4000 ft/min 
Vertical Speed 
831042 
±4000 ft/min 
Climb 
831043 
±4000 ft/min 
Rate of Change 
831044 
±4000 ft/min 
Cabin Climb 
831060 
±6000 ft/min 
Vertical Speed 
831062 
±6000 ft/min 
Climb 
831063 
±6000 ft/min 
Rate of Change 
831064 
±6000 ft/min 
Cabin Climb 
831110 
±10 M/S 
Vertical Speed 
831112 
±10 M/S 
Climb 
831113 
±10 M/S 
Rate of Change 
831114 
±10 M/S 
Cabin Climb 

2 1/4" Vertical Speed indicators 
Part # 
Range 
Dial Name 
821020 
±2000 ft/min 
Vertical Speed 
821022 
±2000 ft/min 
Climb 
821023 
±2000 ft/min 
Rate of Change 
821024 
±2000 ft/min 
Cabin Climb 
821030 
±3000 ft/min 
Vertical Speed 
821032 
±3000 ft/min 
Climb 
821033 
±3000 ft/min 
Rate of Change 
821034 
±3000 ft/min 
Cabin Climb 
821040 
±4000 ft/min 
Vertical Speed 
821042 
±4000 ft/min 
Climb 
821043 
±4000 ft/min 
Rate of Change 
821044 
±4000 ft/min 
Cabin Climb 
821060 
±6000 ft/min 
Vertical Speed 
821062 
±6000 ft/min 
Climb 
821063 
±6000 ft/min 
Rate of Change 
821064 
±6000 ft/min 
Cabin Climb 
821110 
±10 M/S 
Vertical Speed 
821112 
±10 M/S 
Climb 
821113 
±10 M/S 
Rate of Change 
821114 
±10 M/S 
Cabin Climb 

Weight 3 1/8": 8.8 Oz.
Weight 2 1/4": 7.4 Oz.
Case: Valox 420 Plastic
Mounting Information:2 1/4", 3 1/8"