Dro works pretty accuratelyWill make anyone do a better job than counting cranks worring about backlashWorth the moneyObviously a more expensive dro would be better but if your on a budget this seems to work well
Digital multimeter RGK DM-12
6 Review
🔍 Dioxide Controller for Digital Gas Monitoring
5 Review
🌬️ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
🌡️ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review