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ETENWOLF T300 Digital Tire Pressure Gauge - Precision Tool for China Suppliers and Factory Use, 3~200 PSI

If you're looking for a reliable product line, the T300 stands out as an excellent choice. Designed by top China suppliers, this device combines smart features with high precision in a compact and rugged design. Its versatility allows for wide compatibility across various automotive and consumer segments, making it an ideal low-cost add-on for tire inflators, car kits, or travel bundles. The T300 is battery-powered and maintenance-friendly, ensuring no proprietary parts are needed for operation. This flexibility makes it suitable for both retail and white-label applications, making it a smart investment for any factory looking to enhance their offerings.

  • Measuring Range 3–200 PSI (0.2–13.8 Bar)
  • Accuracy ±0.5 PSI (±0.035 Bar), ASME Grade 2A Standard
  • Pressure Units Selectable between PSI / BAR / KPA
  • Power Supply 2 × AAA alkaline batteries, globally available and easy to replace
  • Smart Calibration Auto zero-reset for accurate readings in all altitudes or climates
  • LED Light Built-in for low-light or emergency night usage
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Product Details

Product Video
Smart, Wide-Range Digital Pressure Gauge for All Vehicle Tires & Air Equipment
The ETENWOLF T300 is a compact yet powerful digital tire pressure gauge, engineered for precision, durability, and ease of use. Designed to serve a broad user base—from everyday drivers to off-road enthusiasts and professional fleets—this device offers intelligent auto-calibration, a broad pressure range, and reliable performance across challenging environments.
With a high-accuracy sensor core conforming to ASME B40.7 Grade 2A, the T300 automatically recalibrates itself based on ambient air pressure, ensuring consistent readings whether you're in the mountains or on the highway. Its testing range covers 3 to 200 PSI (0.2–13.8 bar), making it suitable not just for cars and bikes, but also for pickup trucks, trailers, motorcycles, and sporting equipment.
ASME B40.7 Grade 2A

Equipped with a high-accuracy sensor core that guarantees precise measurement outputs by auto-calibrating to current ambient air pressure.

3 to 200 PSI Range

An exceptionally wide pressure testing range (0.2–13.8 bar) makes it highly versatile for diverse tire types and inflatables.

Frequently Asked Questions
What is the ETENWOLF T300?
The ETENWOLF T300 is a compact, powerful digital tire pressure gauge designed for precision, durability, and ease of use across various vehicle tires and air equipment.
What is the measurement accuracy of the ETENWOLF T300?
It features a high-accuracy sensor core that conforms to the ASME B40.7 Grade 2A standard, ensuring highly reliable and consistent pressure readings.
Does the T300 require manual calibration?
No, the T300 features intelligent auto-calibration. It automatically recalibrates itself based on the ambient air pressure of your current location.
What is the pressure testing range of this gauge?
The gauge supports a wide testing range from 3 to 200 PSI (which is equivalent to 0.2 to 13.8 bar).
Which vehicles and equipment are compatible with the T300?
Due to its wide range, it is suitable for cars, bikes, pickup trucks, trailers, motorcycles, and various sporting equipment.