Supply of Two Laboratory Refrigerated Bench Top Centrifuges to Defra Network

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Defra Network eTendering Portal awarded a contract to VWR International Ltd for the supply of two laboratory refrigerated bench top centrifuges.

The centrifuges are required to have a 4L capacity (4 x 1000ml), external dimensions not exceeding 380mm height, 760mm width, and 690mm depth, and a weight of up to 120 kg.

They must be constructed from corrosion-resistant, high-thermal conductivity 304 grade stainless steel, achieve a maximum speed of 15,200 rpm (25,830 g; rotor dependent) and up to 4,200 rpm (4,122 g) with a swinging bucket rotor, with speed control accuracy of ±40 rpm.

The temperature range is -10°C to +40°C with accuracy of ±2°C, and a pre-cooling function is included.

Other features include acceleration/deceleration rates up to 9 or 10, programmable settings storage, a display screen for parameters, a viewing window, secure lid locking with sensor, easy chamber access, low noise level (<64 dB), and compatibility with UK 230V power under 8 Amps.

The centrifuges must carry CE, IEC61010-2-020, and EN61326 markings, and rotors must be available for purchase for at least 10 years post-installation.

The contract value is AUD 20,180.