After a few months of use, the fine adjustment knob broke off the 6" calipers. Now I'm struggling to fix them at the factory.
π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review
π§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review
π Dioxide Controller for Digital Gas Monitoring
5 Review
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review