Item

Function

Test conditions and requirements

Rated   voltage

2V

3V

4.5V

Operating   voltage

1.8V—3V

2.5V—4V

4V—5.5V

Rated current

415mA

170mA

110mA

Load current

900mA

420mA

250mA

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

Air flow

1.5L—3.5L

Pressure

＞80Kpa

Noise

52.5dB

51dB

51.5dB

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

Service   life

Carbon   brush

＞350H

Metal   brush

＞100H

Operating   environment

Temperature: ≤ 50 C

Humidity:   75 %

Fluid Usage

Air

Weight

57.2g

59g

59g