Rotax 912 Tachometer 3 With Range Marks

The Aviasport IM-149 is an 80 mm electronic engine tachometer designed to indicate RPM from the Rotax 912/914 pick-up. Its 0–7,000 rpm scale uses a 240° pointer movement for clear analogue RPM indication.

Colour-coded operating ranges are marked on the dial to support at-a-glance engine-speed monitoring. Refer to the current engine operating documentation for applicable operating limits.

• Manufacturer part number: IM-149
• Dial diameter: 80 mm
• Scale: 0–7,000 rpm
• Scale graduations: 100 rpm
• Power supply: 10–30 V DC
• Maximum current draw: 0.1 A
• Suitable input: Rotax 912/914 pick-up
• Manufacturer-stated maximum deviation: 2%
• Approximate instrument weight: 220 g

This instrument has not undergone safety or durability examination to civil aviation standards and is not EASA/FAA approved. Installation and use should be assessed against the applicable aircraft, engine and maintenance documentation.

Manufacturer documentation: Aviasport IM-149 datasheet.