I have no standards to compare its accuracy. , so there is no need to make a strong distinction between pollution sources. No web link for clear instructions. The enclosed leaflet is unclear regarding the "good air" calibration and the number does not correspond to the buttons on the device. The price is right.
🔧 Calibration of American Weigh Scales 500WGT for Optimal Performance
4 Review
🔌 Enhanced Connectivity with Fluke IR3000FC Infrared Connector
6 Review
📏 Accurate Truweigh Calibration Weight Precision 6 Piece Set: For Precise Measurements
5 Review
12X9X3 Inch Granite Surface Plate With No Ledge - Perfect For Precision Measurement
9 Review