Model 541 High Temperature Metering Pumps allow operation up to 100°C and 4,000 PSI (2,000 PSI for Semi-Prep flow) and have all of the other features of the M541 pumps.  Available in Micro, Analytical, and Semi-Prep ranges.  A unique feature of this model is the ability to operate the pump remotely, up to 3 meters away from the electronics and control panel.