Display
A perfect view
Ample, easy to read VFD Comfort display for simultaneous display of 3 values, warning functions, high temperature cut-off, pump stages (resolution 0.01 °C).
Additional plain text information
Comfortable LCD dialog display for interactive operation with plain text display.
Pump stage and liquid level
Backlit indicator for selected pump stages and filling volume on Presto® PLUS, Magnum 91 & Forte HT.
Operation
Comfortable and detailed
Comfortable keypad with additional menu functions for pump stages, calibration, control parameters, programmer, warnings, etc.
Temperature Control
For perfect results
‘Intelligent Cascade Control’, automatic & self optimizing adjustment of PID control parameters, temperature stability ±0.005 °C internal, <±0.05 °C external
Full control
‘Temperature Control Features’ for individual optimization, access to all important control parameters, additional settings for band limit, limits, Co-Speed factor etc.
Highest measuring accuracy
‘Absolute Temperature Calibration’ for manual compensation of a temperature difference, 3-point calibration.
Refrigeration Technology
Energy saving cooling
Proportional cooling control for automatic adjustment of cooling power or temporary switch-off of compressor as needed to save up to 90 % energy in comparison to unregulated cooling machines.
Consistent cooling capacity
Easily removable venting grid for quick and easy cleaning.
100 % Cooling capacity
‘Active Cooling Control’ for cooling available throughout the entire working temperature range, fast cool-down even at higher temperatures.
Condensation and ice protection
A heated cover plate prevents condensation or ice build-up in the bath.
Technical Features
Clever pump system
Reliable and consistent pump capacity, electronically adjustable pump stages.
Control from the external application
External Pt100 sensor connection for precise measurement and control directly in the external application.
Connection compliant to standard
RS232/RS485 dual-interface for serial data transmission according to EIA-485 industry standard (2-wire bus technology), upgradable with Profibus DP.
Optimal program control
For the execution of time and temperature dependant profiles, 6 temperature profiles with 60 steps max., with real time clock.
Automatic control of operating time
Electronic countdown-timer function for timer-programmed unit shut-down, standby mode after programmed time expires.
Warning & Safety Functions
Early warning system for low liquid level
Maximum safety for applications, optical and audible alarm, allows user to refill bath fluid before the unit shuts down.
Early warning system for high/low temperature limits
Maximum safety for applications, optical and audible alarm, convertible to automated cut-off function.
Enhanced protective functions
Maximum safety, adjustable high temperature cut-off or dry-running protection, additional display of setpoints permits easy and precise adjustments.
For flammable bath fluids
Classification III (FL) according to DIN 12876-1.