AP Digital Tyre Inflator — Green with Stainless Braided Hose, Backlit LCD & 0.1 PSI Resolution

The AP Astro Tools 3018GR Digital Tire Inflator is a battery-powered, high-accuracy tire gauge and inflator with a stainless braided 21" hose and a push‑lock self‑locking coupler for quick, durable connections.

Compact and built for regular shop or roadside use, the 3018GR combines a backlit LCD, ±0.1 PSI resolution and selectable units (PSI/BAR/KPA/KGF) so you can check and adjust tire pressure precisely. It runs on dual AAA batteries with an extended life design, features a rubber-sleeved body for better grip and impact protection, and includes a two‑position valve lever that lets you easily deflate or inflate tires. The stainless braided hose with bend guard helps resist wear, while the push‑lock coupler makes hooking up to valves fast and secure. Intended for compressed air systems, it is compatible with standard nitrogen and CO2 setups.

How accurate is the 3018GR for routine tire pressure checks?

The Astro Tools 3018GR offers 0.1 PSI resolution and accuracy that meets industry standards, making it suitable for reliable TPMS calibration and everyday inflation needs. Accuracy varies slightly by range, with tighter tolerances at lower pressures.

• Resolution: 0.1 PSI for fine adjustments
• Accuracy: ±1.2 PSI (0–58 PSI), ±2.0 PSI (59–174 PSI)
• Selectable readouts: PSI, BAR, KPA, KGF for cross‑checking
• Backlit LCD for night or low‑light visibility

What makes the hose and coupler durable for workshop use?

The tool comes with a 21-inch stainless braided hose and a molded bend guard to reduce kinking and abrasion in heavy use environments. The push‑lock self‑locking coupler chuck provides a quick, hands‑free connection that resists accidental release while working under pressure.

• 21" stainless braided hose for abrasion resistance
• Bend guard to prevent kinks and extend hose life
• Push‑lock self‑locking coupler for secure, fast attachment
• Two‑position lever: position one releases air, position two adds air

How does the power system support long usage periods?

The 3018GR uses two AAA batteries and is engineered for extended runtime—about 560 hours—so it stays ready for extended shop shifts or frequent roadside checks. The battery compartment is simplified for quick replacement when needed.

• Power source: dual AAA batteries (included)
• Battery lifetime: approximately 560 hours
• Easy battery access for quick swaps
• Low power consumption display and electronics

What pressure range and environmental limits should I expect?

The inflator covers a wide working range suitable for passenger cars, light trucks and many other vehicles, and is designed for typical garage temperatures. It is intended to be used with a compressed air supply; compatibility with nitrogen and CO2 systems is also supported.

• Measuring range: 3–175 PSI (suitable for many vehicle types)
• Working temperature: 32°F–104°F (0°C–40°C)
• Compliance: European 86/217/EEC and ANSI B40.1 tolerances
• Requires external compressed air source for inflation

Who this is for: The AP Astro Tools 3018GR is built for professional mechanics, fleet technicians and informed car owners who need a reliable, accurate inflator for regular tire maintenance. If you value durability (stainless hose and rubber sleeve), rapid valve connections (push‑lock chuck), and precise readings for TPMS or everyday inflation tasks, this tool fits shop benches and roadside kits alike. It’s a practical choice when you want a rugged, easy‑to‑use inflator with fine resolution and long battery life.