I use this in my high school architectural design and geometry class. It is durable and easy to use. The optics are surprisingly clear. I liked the distance calculator built into the grid.
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review
π₯ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review
π§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review