Perhaps I have too high requirements for small levels, but still this is Stanley, I expected more. I checked 3 copies, they all lie in different ways :) I returned it to the store.
Portable Handheld Manometer 📏 for Accurate Pressure Differential Measurement
5 Review
🔍 Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review
🌡️ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review
🔍 Dioxide Controller for Digital Gas Monitoring
5 Review