VOL-SP-3.8 is an optional spindle for an extended viscosity range. It is especially suitable for sample volumes of 3.8 ml. It is required to use the 3.8 ml chamber VOL-C-RTD-3.8 in combination with the VOL-SP-3.8 spindle. The chamber is available as accessory. VOL-SP-3.8 is an optional spindle for an extended viscosity range. It is especially suitable for sample volumes of 3.8 ml. It is required to use the 3.8 ml chamber VOL-C-RTD-3.8 in combination with the VOL-SP-3.8 spindle. The chamber is available as accessory.