KJMR-IV Blood Roller Mixer 15-Tube Rotator

The KJMR-IV Blood Roller Mixer is a compact laboratory rotator designed for gentle and continuous mixing of blood samples in vacuum blood collection tubes. Its inclined circular plate rotates slowly to keep blood cells and anticoagulant evenly mixed, helping maintain sample consistency before hematology and other laboratory analyses. The unit accommodates up to 15 tubes per cycle, supports tubes with a diameter of approximately 13 ±0.1 mm, and provides an adjustable rotational speed of 8–32 rpm according to the specification you supplied. A current KJMR-IV listing confirms the same 15-tube capacity, 13 mm tube diameter and 220 mm plate size. Key Features Designed for vacuum blood tube mixing Adjustable rotation speed of 8–32 rpm Capacity of 1–15 tubes per cycle Supports tubes approximately Ø13 ±0.1 mm Ø220 mm circular mixing plate Gentle rotational mixing action Helps maintain blood samples in uniform suspension Silicone tube holders help protect sample tubes Compact benchtop laboratory design Continuous operation Suitable for hematology and blood-analysis workflows Specification Details Product Type Blood Roller Mixer / Rotator Mixer Model / Art. No. KJMR-IV Speed Range 8–32 rpm Tube Capacity 1–15 pcs/time Tube Diameter Ø13 ±0.1 mm Plate Diameter Ø220 mm Mixing Motion Inclined Circular Rotation Typical Inclination Angle 38° Operation Mode Continuous Typical Power Supply AC 220 V 50/60 Hz Typical Power Consumption Approx. 6 W* Installation Benchtop