
Check all standards with a digital caliper and they are correct. After zeroing and checking with the supplied standards, both the low and high measurements are absolutely accurate and even go back to zero. Worth the money for all inclusive!

π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review

Digital multimeter RGK DM-12
6 Review

π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review

π₯ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review