The Anton APM 135 Differential Pressure Meter is an economical and ergonomic device tailored for all your domestic pressure testing needs. This robust and easy-to-use manometer offers eight units of measurement within a range of -39.99 to +130.0 mbar, ensuring precise readings with a resolution of 0.01 up to +19.99 mbar. Key Features Efficient and Practical Design: Engineered for simplicity and ease of use in domestic pressure testing Multiple Measurement Units: Measures pressure in eight different units for versatile applications Wide Measurement Range: Covers from -39.99 to 130.0 mbar High Accuracy: Provides a 0.01 resolution up to 19.99 mbar, then 0.1 resoluti