Item

Function

Test conditions and requirements

Rated   voltage

3V

6V

Operating   voltage

2.8V—4V

5V—7V

Rated current

21mA

28mA

Load current

42mA

42mA

Fillwith   50KPa gas into 100CC   bottle to   test the working current of the product.

Air mass flow

≥0.3L

Pressure

≥35Kpa

Noise

45dB

45dB

Fill with 50Kpa gas into 100CC bottle to test   the product's working noisy（Ambient   noise ≤ 45dB）

Service   life

Carbon   brush

＞350H

Metal   brush

＞100H

Operating   environment

Temperature：≤50°C

Humidity：75%

Fluid Usage

Weight

27g