TRSI TA640A Handheld High Precision Wind Speed Instrument Wind Volume Tester chair seat support MATERIAL: Made of 68

MATERIAL: Made of 68

The durable construction and easy-care features simplify cleaning and upkeep

and appear to be genuine diamonds

Size: 78 × 78 × 85 mm

Closure type : Latch

TRSI TA640A Handheld High Precision Wind Speed Instrument Wind Volume Tester chair seat support MATERIAL: Made of 68Features: 1. 8 blade design, with low friction high precision bearings, more responsive 2. Can lock the maximum, minimum and real time values ?? during the measurement process 3. High definition large screen display with white background light 4. Use 2x1. 5VAAA (not included) No. 7 batteries, automatically shut down after 15 minutes of no operation (can be canceled manually) Parameters: 1. Measuring range: 0. 1 30. 0m s 2. Resolution: 0. 1m s 3.