Tube Pumps Capable of One-Touch Pump Head Replacements Stepper motor type with two discharge volume options.(20 µL/min to 7 mL/min, 30 µL to 10 mL/min) Pump head replacement is a one-touch method using strong magnets. The standard model is compatible with three types of motors: Brushed DC Motors, Brushless DC Motors, and Stepper Motors. This pump uses a brushless DC motor and a stepper motor, which achieved 5,000 hours* of continuous operation by using needle roller bearings. The pump head can be sterilized. Autoclave (25 minutes at 121℃) 10 times is possible.However, pumps using "Transmaster TM-15" tubes can not be autoclaved. Gamma ray sterilization (25 kGy) is possible. Note: Details such as specifications, etc., may be changed without notice. *: Our experimental values use water and do not guarantee the pump's lifespan. We also have a similar product to this pump, it's called: Ring Pump RP-H Series (Brushed DC Motor Type) Ring Pump RP-H Series (Brushless DC Motor Type) DIMENSIONS Note 1: Details such as specifications, etc., may be changed without notice. Note 2: For product dimensions please refer to specifications for the wire lengths. MECHANISM OF THE RING PUMP For more information: Mechanism of the Micro Ring Pump Note 1: Details such as specifications, etc., may be changed without notice. Note 2: Visual diagram above is from Aquatech Co., Ltd.