UMA 3-1/8 Altimeter 0-5500 Foot With Baro In Hg

The UMA Instruments 5-300-30 is a 3-1/8 in (approximately 79 mm) mechanical altimeter with a 0–5,500 ft indication range. It features a single-pointer, non-sensitive display and an adjustable Kollsman window calibrated in inches of mercury (inHg) for barometric setting.

This UMA altimeter has a non-sealed case. Consult the manufacturer’s installation instructions before installation; UMA states that the 3-1/8 in model must not be connected to an aircraft static line, as its non-sealed case can result in a static-system leak.

• Manufacturer: UMA Instruments
• Manufacturer part number: 5-300-30
• Nominal instrument size: 3-1/8 in (approximately 79 mm)
• Altitude range: 0–5,500 ft
• Barometric-setting window: inHg
• Design: single-pointer, non-sensitive, non-sealed case
• Approval status: not EASA/FAA approved

For installation guidance, refer to the UMA Altimeter Installation Instructions.