1. Insert the test unit into the base stand.
2. Connect the breast pump’s power supply.
3. Connect the testing unit to the pump.
4. Turn the vacuum adjustment knob to the maximum setting (maximum vacuum).
5. Turn the interval selection knob to the maximum setting (longest cycle time).
6. The testing manometer should display -33 kPa (± 3 kPa).

Small tolerances may arise from the manometer. If you do not notice any proper suction performance, please return the breast pump to us. The test unit must be checked by the manufacturer every 2 years. The date of the next inspection is marked on the test unit.