Altimeter Vertical Speed Indicator Combo For 3 1/8

The Radiant Technology Altimeter + VSI Combo, part number RI-2024-2, combines altitude and vertical-speed indication in a compact 3 1/8 in (79.4 mm) panel format. The bright display presents altitude and vertical speed in both digital and replica-analogue formats for clear cockpit reference.

• Manufacturer part number: RI-2024-2
• 3 1/8 in (79.4 mm) panel format; adapter ring included
• Digital and replica-analogue altitude indication
• Digital vertical-speed indication with a small analogue VSI dial
• Settable Kollsman window and altimeter calibration function
• Indicated range: 0–20,000 ft; vertical-speed range: ±2,000 ft/min
• Power requirement: 6.5–14 V DC at 125 mA; requires externally switched power
• Dimmable display function
• Black 3D-printed nylon case; instrument thickness is under approximately 13 mm, excluding electrical connectors and bezel

This version uses cabin pressure and does not include a barb adapter or outside-air-temperature probe. It is intended solely for VFR use in experimental and ultralight aircraft. Not EASA/FAA approved and not certified to TSO or PMA standards.

For installation, setup and operating guidance, consult the Radiant Technology Altimeter + VSI Combo documentation.