HS 452 “Smart” Pump 450 liters/min.
The first rotary-vane pumps with truly “smart” capabilities
Varian’s HS 452 pumps employ an innovative frequency inverter technology that
delivers optimal and consistent performance while encompassing the worldwide range
of voltage and frequency conditions.
The microprocessor-controlled frequecy inverter, combined with a 3-phase motor, is an
efficient driving unit, capable of delivering the high starting torque required of a dual-stage
HS 452 technology solves the common problems inherent in single-phase motors. These pumps
start with inrush currents about 7 times lower than that of equivalent traditional pumps.
Unlike traditional pumps, the software-driven startup procedure in the HS 452 will
sense in seconds if the pump is faulty, thus avoiding uncontrolled load conditions. The
result is very easy pump integration.
The 3-phase inverter output is constant and independent of single-phase input frequencies
and voltages. Motor efficiency and power factors remain optimal, and, as a result, the
working temperatures of the motor and pump remain low and constant, wherever in the world
they are being used.
HS 452 pumps can be remotely controlled via discrete I/O or through RS-232/RS-485 interfaces.
Varian’s T-plus Navigator Software facilitates this communication. Pump performance
can be tailored for specific applications by setting the rotational speed through the
software. The software also monitors and logs pump parameters, making it possible to
perform diagnostics on the pump and the system.