1. Technical requirements:

It is used for direct  measurement of the breathability of cast molds in the casting workshop, and also for the breathability of standard samples in the dry or wet state of raw sand for casting and mixture. Digital display and automatic printing functions (with computer communication interface including software).

1.1 Working pressure of gas source: 981±5Pa;

1.2 Measurement accuracy: ±1%;

1.3 Specifications of ventilation holes: large hole Φ1.5mm; small hole Φ0.5mm;

1.4 Breathability determination range: 0-2450.

2. Main configuration details: