AUTOOL PT520 – Digital Manometer / Differential Pressure Gauge
The AUTOOL PT520 is a professional-grade digital manometer and differential pressure gauge for accurate testing of vacuum and pressure systems. With 10 selectable units, dual-port measurement, and a compact handheld design, it’s ideal for diagnosing intake, brake booster, crankcase, and exhaust pressures in modern vehicles.
Designed for technicians who demand precision, portability, and reliability in workshop environments. Key Features
Dual-port differential design for simultaneous positive/negative pressure testing
Wide range: -100 kPa to 200 kPa (vacuum and pressure)
10 measurement units: kPa, hPa, Torr, mbar, inHg, mmHg, inH₂O, mmH₂O, psi, kg/cm²
High accuracy: ± 0.3 % FS with 0.1 kPa resolution
Data hold & record functions for steady readings during testing
Back-lit LCD display for easy viewing in dark environments
Durable, anti-slip silicone housing for workshop use
Auto power-off and low-battery indicator for extended life
3-year warranty (non-human damage) Technical Specifications Specification Value Measurement Range -100 kPa to 200 kPa Accuracy ± 0.3 % FS Resolution 0.1 kPa / 1 hPa Units Supported kPa, hPa, Torr, mbar, inHg, mmHg, inH₂O, mmH₂O, psi, kg/cm² Power Supply 4 × AAA 1.5 V batteries Operating Temperature -10 °C – 60 °C Storage Temperature -20 °C – 65 °C Display Back-lit digital LCD Dimensions Approx. 145 × 70 × 35 mm Weight ~250 g Ideal For
Automotive workshops diagnosing intake manifold or brake booster pressure
Turbo and EGR performance testing
Vacuum leak diagnostics and calibration
Air-conditioning and HVAC testing applications Why Choose the AUTOOL PT520
This compact and durable manometer gives accurate, real-time readings to help identify pressure-related faults before they cause damage. Its multiple units and high accuracy make it ideal for professional use across a range of automotive and mechanical applications.
Whether for ECU calibration, boost-leak testing, or system diagnostics, the PT520 delivers consistent results every time. In the Box
AUTOOL PT520 main unit
Dual silicone test hoses (positive & negative ports)
Protective rubber sleeve
User manual ✅ Product Highlights
✔ Wide measurement range (-100 kPa – 200 kPa)
✔ 10 pressure/vacuum units supported
✔ Data hold & record function
✔ Backlit LCD screen
✔ Durable workshop design
✔ 3-year warranty