Qdos 120 Profibus - Santoprene - Left

The Watson-Marlow Qdos 120 Profibus is a peristaltic metering pump that delivers accurate and consistent fluid handling. Equipped with a Santoprene ReNu pumphead, this model is ideal for general use, offering excellent chemical compatibility. The pump head is mounted on the left side.

The pump delivers flow rates from 0.1 to 2000 ml/min (0.001-31.7 USGPH) and can handle pressures up to 7 bar (100 psi) RMS. The ReNu pump head maximises uptime by preventing gas entrapment or valve clogging and enables fast, tool-free replacement. This minimises downtime and reduces chemical waste. The Qdos 120 offers flow control up to 20000:1 with an accuracy of ±1% and a repeatability of ±0.5%.

The Qdos 120 is IP66 rated, meaning it is waterproof and dustproof. It operates in ambient temperatures from 5 °C to 45 °C with Santoprene tubing. The drive weighs 4.6 kg (10 lb 2 oz) and the pump head 1.1 kg (2 lb 7 oz). This model is specifically equipped with PROFIBUS functionality for network integration, with a bus speed of 9.6 to 1,500 kb/s. The pump has a noise level of less than 70 dB(A) at 1 metre. The pump can optionally be powered by a 12-24 V DC option.