The Stuart SRT9D is a 9-roller digital tube roller mixer designed to gently and efficiently mix samples such as blood, viscous liquids, cell suspensions and other laboratory solutions with minimal aeration.
Key Features
Gentle rocking & rolling action — combines rolling with a slight tilting motion for thorough mixing of tubes and bottles.
Digital control: Variable speed range 5 – 60 rpm, with an integral timer for programmable mixing sessions.
LCD display: Shows speed and time; includes memory function to recall commonly used settings.
Continuous & quiet operation: Suitable for extended use in busy labs.
Adaptable sample accommodation: 9 rollers allow mixing of many tubes, flasks and bottles up to ~100 mm diameter.
Robust design: Built for reliable long-term laboratory use.
Technical Specifications
Model: Digital 9-roller mixer (SRT9D)
Number of rollers: 9
Speed range: ≈5 – 60 rpm (variable)
Mixing amplitude: ~16 mm
Max load: ~5 kg total across all rollers
Roller size: ~340 × 30 mm each
Dimensions: ~565 × 360 × 110 mm (W × D × H)
Net weight: ~6.9 kg
Power: 230 V, 50 Hz, ~50 W
Operating conditions: Usable in incubators up to ~60 °C and cold rooms down to ~4 °C, humidity up to ~80 %
Protection class: IP 20
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