Model No.: : TM-740
Product Description
- 30mm 6 plastics vane.
- Light air response 0.4m/ s.
- Air flow calculate function.
- Max/ Min/ Avg and data hold.
- Auto power off with disable function.

TM-740 is a low cost and pocket size model, it measures air speed and temperature, and ideal for spot measurements.

Application : 

Pocket size: 
- Dimensions : 135 × 48 × 23 mm ( L × W × H) .
- Weight : 80g ( excluding the battery) .

Specification
- Dual LCD display with max. readings is 9999 and 999.
- Sampling Rate : 1 sample per second.
- Power Supply : 2 batteries 1.5V AAA MN2400 LR03 AM4.
- Battery Life : 50 hours during consecutive use.
- Dimensions : 135 × 48 × 23 mm ( L × W × H) .
- Weight : 80g ( excluding the battery) .
- Accessories : User manual, battery, and carrying case.

Velocity ( Air Speed) : 
Unit
Range
Resolution
Accuracy
m/ s
0.4~ 25
0.1
± 2j+ 0.2
Km/ hr( kph) 
1.5 ~ 90
0.1
± 2j+ 0.8
mph
0.9~ 55
0.1
± 2j+ 0.4
Knots( kts) 
0.8~ 48
0.1
± 2j+ 0.4
ft/ min( fpm) 
79~ 4921
1
± 2j+ 40

Temperature: 
Unit
Range
Resolution
Accuracy
 
-20~ 50
0.1
± 1 

-4~ 122
0.1
± 1.8