AstroAI Digital Tire Inflator with Pressure
Gauge 250PSI-M User Manual

Thank you for purchasing the AstroAI 250 PSI Tire Inflator Gauge. Inflate tires without having to continually check pressure and then adjust. We hope you enjoy your new Tire Inflator Gauge. If you have any questions or concerns about your new product, please contact AstroAI Customer Support at[email protected].


Use the AstroAI Tire Inflator Gauge to inflate tires to the optimal pressure level.

Inflate Tires Using an Air Compressor

  1. Thread one of the NPT connectors to the bottom of the tire gauge.
  2. Connect the AstroAI Inflator Gauge to an air compressor using the NPT connector.
  3. Press the Air Bleed Valve/Reset Button to ensure the gauge is set to Zero.
  4. Connect an Air Chuck to the rubber hose. Use the chuck to connect to the tire valve.
  5. Fill by pressing the Valve Controller to desired pressure level.
  6. Release excess air using the Air Bleed Valve/Reset Button.


Inflation Range: 0-250 PSI
Accuracy: ±1%
Display Resolution: 0.1 PSI
Display Type: Backlit LCD
Measurement Units: PSI, KPA, Bar, Kg/cm2
Compatibility: NPT air compressor connector

Package Contents

  • 1 x AstroAI Tire Inflator Gauge
  • 1 x User Manual
  • 4 x Valve Caps
  • 1 x Brass Air Chuck
  • 2 x AAA Batteries
  • 1 x ¼” NPT Steel Fitting
  • 1 x Valve core tool
  • 1 x Thread Seal Tape Roll

3 Year Warranty Limited Warranty From AstroAI

Each AstroAI Inflator Gauge Diagram will be free from defects in material and workmanship. This warranty does not cover damage from neglect, misuse, contamination, alteration, accident, or abnormal conditions of operation or handling. This warranty covers the original purchaser only and is not transferable.

Questions or Concerns? We’re happy to help!
[email protected]

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AstroAI Digital Tire Inflator with Pressure
Gauge 250PSI-M User Manual PDF Download

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