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Two vivid orange digital tire gauges with backlit displays and angled nozzles

ETENWOLF

ETENWOLF T300 Digital Tire Pressure Gauge 3-200 PSI 2 Pack

SKU CH-S2HW-S3PJG MPN T300

A two-pack of digital gauges measuring 3 to 200 PSI with ANSI B40.7 Grade 2A calibration and replaceable AAA batteries

  • Housing MaterialPlastic
  • Size/Dimensions6.3 x 1.46 x 1.06 inches
  • Calibrated to ANSI B40.7 Grade 2A for professional-grade accuracy
  • Accurate below 12 PSI and above 140 PSI across extreme ranges
  • Built-in AI chip with thermal compensation works from -4°F to 130°F
  • Measures 3 to 200 PSI covering all vehicle types
  • Replaceable AAA batteries extend lifespan with LED light for dark areas

Industrial-grade accuracy

The ETENWOLF T300 is a digital tire pressure gauge calibrated to ANSI B40.7 Grade 2A with a tolerance of plus-minus .5 percent. It measures from 3 to 200 PSI, covering passenger cars, light trucks and higher-pressure commercial tyres. A built-in AI chip provides thermal compensation so readings stay reliable from minus 4 °F to 130 °F. Two gauges are included in the pack.

Replaces analogue stick gauges

Mechanics and fleet operators who currently rely on mechanical pencil gauges gain repeatable, process-level accuracy without parallax error. The upgrade is worthwhile when pressure checks must be documented to a recognised standard or when readings below 12 PSI and above 140 PSI are routine. The replaceable AAA cells eliminate the throw-away cycle of sealed-battery models.

Consistent reading under continuous use

The thermal-compensation circuit keeps deviation within the rated .5 percent band during extended sessions in hot bays or sub-zero forecourts. Plastic housing resists shop solvents and impact while the integrated LED illuminates valve stems in low light. Accuracy holds across the full 3 to 200 PSI span without drift between successive measurements.

Highlights

  • Calibrated to ANSI B40.7 Grade 2A for professional-grade accuracy
  • Accurate below 12 PSI and above 140 PSI across extreme ranges
  • Built-in AI chip with thermal compensation works from -4°F to 130°F
  • Measures 3 to 200 PSI covering all vehicle types
  • Replaceable AAA batteries extend lifespan with LED light for dark areas

Specifications

Housing MaterialPlastic
Size/Dimensions6.3 x 1.46 x 1.06 inches
ModelT300
Part NumberT300

Questions about this item

What valve stem size does the T300 gauge fit?

The gauge connects to standard Schrader valve stems found on cars, trucks, motorcycles and bicycles with a press-on chuck.

How do I install the AAA batteries and what step is often missed?

Unscrew the battery cap, insert two AAA cells matching the polarity markings, then tighten the cap until the O-ring seals — skipping the seal lets moisture in.

When should I replace the AAA batteries in the T300?

Replace both AAA cells when the LCD dims or the backlight LED no longer illuminates the display in low light.

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