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