Stepper-controlled variable-speed peristaltic pump, vacuum pump, high-suction pump, self-priming pump, viscous fluid pump, material transfer pump, laboratory test pump Product Specifications 1. Power Supply: AC 220V/50Hz 2. Motor Type: Driven by a 42-step stepper motor 3. Pump Tubing Material: Food-grade silicone tubing specifically designed for peristaltic pumps, or imported composite rubber tubing 4. Connector Model: Optional 5. Compatible Tubing: Compatible with tubing with a wall thickness of 1 mm and an outer diameter not exceeding 5 mm 6. Equipped with an imported high-end 42-step stepper motor drive and control circuit 7. Suction/Discharge Head: 10 meters 8. Power: Approx. 20W 9. Current: 1A or higher 10. Weight: Approx. 1500g 11. Product Dimensions: L x W x H: 13.5cm x 10cm x 12.2cm 12. Flow Rate: Approx. 0.06–160 mL/min (Flow rates vary depending on the tube specifications; details are as follows:) With silicone tube: Inner diameter 1 mm × Outer diameter 3 mm; Flow rate per revolution: 0.06 mL/rev With silicone tube: Inner diameter 2 mm × Outer diameter 4 mm; Flow rate per revolution: 0.21 mL/rev With silicone tube: Inner diameter 3 mm × Outer diameter 5 mm; Flow rate per revolution: 0.42 mL/rev