Micro 130 Air Pump Diaphragm Pump DC 3V-5V Oxygenation Sphygmomanometer Air Pump
The applicable voltage of this batch of air pumps is DC 3V-5V, power on and test the machine, we think the best working voltage is DC 4.2V on this voltage the air volume is good and the sound is quiet. Of course, the air volume at DC 5V is stronger, but the sound is a bit noisy.
Motor model: 130SH
Outer diameter of air outlet: 3.2 MM (suitable for 3*6MM trachea)
Weight: 32 grams
Voltage: DC3V Current: 138 MA
Voltage: DC3.7V Current: 157 MA
Voltage: DC4.2V Current: 167 MA
Voltage: DC5V Current: 189 MA