The VetScan VS2 is a state-of-the-art chemistry, electrolyte, immunoassay and blood gas analyzer that delivers uncompromising accuracy from just two drops of blood. The VetScan VS2 machines at each Natterjacks surgery give precision, reference laboratory quality results in 12 minutes meaning that we can get potentially life-saving results on the spot – many practices have to wait for days for results from external laboratories.