If you need simple measurements for daily measurement in LEV, this is a good entry level set with a combination of thermal anemometer and differential pressure measuring instrument with smartphone operation.
Readings can be viewed conveniently on your smartphone/tablet via the testo Smart Probes App and reports can emailed immediately.
Intermediate - Pocket Series LEV Set
This LEV measurement set is suitable for beginner for quick and easy measurement.
The equipments are at pocket size which comes in handy to conduct a quick test for instant results. Results are display on screeen and recording values can be done easily.
Professional - testo 440 dP LEV Set
This is suitable for LEV application expert. The professional LEV series is a reliable multi-function measuring instrument for analysis, regulating and testing VAC systems.
It has an integrated pressure difference sensor for measurements with pitot static tube and filter monitoring and a wide range of optionally available sensors and probes to choose from.