Product data sheet 1/4
PRESTO W50
temperature control system / process system
Reactor temperature control, tests for all kinds of substances or temperature
simulation – the new PRESTO are made for highly precise temperature
control and rapid temperature changes.
PRESTO provide large heating and cooling capacities covering a working
temperature range from -92 °C to +250 °C. Highly efficient components allow
extremely fast compensation of exothermic and endothermic reactions.
Lab users benefit from high flow rates, constant pressure, and a controlled
build-up of pump pressure. Changes in the temperature-control liquid’s
viscosity are balanced dynamically. Permanent internal monitoring and
self-lubricating pumps contribute to the new PRESTO®’s long service life. A
special feature of the new PRESTO is the integrated 5.7’’ industrial touch
screen.
All important information is displayed clearly and concisely enhancing ease
of use considerably.
The new PRESTO can be operated intuitively with the tip of your finger. As
the new PRESTO operate whisper quiet, you will hardly hear them in your
laboratory. Even high room temperatures of up to +40 °C will not make the
new PRESTO sweat. Maintenance-free pumps and drives guarantee
operational readiness. Multiple interfaces permit remote control of the
PRESTO® across networks and in superordinated control systems. The
Design does away with venting slots at the sides. The required installation
space is reduced to an absolute minimum.
PRESTO W50
Your advantages
For highly precise, external temperature applications
Rapid heating and cooling
Fast compensation of exothermic reaction
Wide working temperature ranges without changing fluids
Highest performance with small footprint
Space-saving design optimizes space utilization in your lab
NEW 5,7” industrial color TFT touch screen
well-organized view of important information with unmatched,
intuitive user friendliness
Up to 3 user level with password management
NEW USB (Host und Device)
NEW Ethernet
NEW SD-Card slot
RS232 / optional RS485 / optional Profibus DP
Stand-by input
Filling system accessible from the top
Technical Data
Order No. 9421502
Category Temperature Control PRESTO
Working temperature range (°C) -50 ... +250
Product data sheet 2/4
Temperature control ICC
Temperature stability (°C) ±0.05 ... ±0.1
Setting / display resolution 0.01 °C
Integrated programmer 8x60 steps
Temperature Display TFT Touchscreen
Heating capacity (kW) 6 @ 400V; 6 @ 230V; 5.5 @ 208V
Cooling capacity (Medium: JULABO Thermal | Ethanol) °C 200 20 0 -10 -20 -30 -40
kW 7 7.5 6.5 5 3 1.8 0.6
Pump capacity flow rate (l/min) 35 ... 76
Pump capacity flow pressure (psi) 6.74 ... 43.5 @ 208V; 6.74 ... 46.4 @ 230V; 6.74 ... 46.4 @
400V
Viscosity max. (cSt) 50
Pump connections M30x1.5
Refrigerant stage 1 R507
Filling volume refrigerant stage 1 (g) 1000
PRESTO W50
Global Warming Potential for 3985
Carbon dioxide equivalent stage 1 (t) 3.985
External Pt100 sensor connection integrated
Digital interface RS232, SD memory card, USB, Ethernet, Modbus,
Alarm-out
Optional: RS485, Profibus
Analog connection input / output Optional
Ambient temperature 5 ... 40 °C
Dimensions W x L x H (inch) 20.9 x 26.2 x 49.6
Weight (LBS) 463
Sound pressure level (distance 1 m) max. (dBA) 65
Process volume min. (active heat exchanger volume) liters 7.5 (3.5)
Internal usable expansion vol. (liters) 7.5
Classification according to DIN12876-1 Classification III (FL)
Cooling of compressor 1-stage Water
Cooling water connection G ¾‘‘ male with barbed fittings for tubing ½’’ lD
Cooling water consumption (l/min) 8…12
Cooling water temperature (°C) <30
Cooling water differential pressure (bar) 0.5
Available voltage versions 3 x 208-230V/60Hz (+/- 5%) / 25A @ 208V, 27A @ 230V /
Without Plug
3 x 230V/50Hz (+/- 10%) / 27A / Plug 32A CEE
3 x 400V/50Hz (+/- 10%) / 16A / Plug 16A CEE
Product data sheet 3/4
PRESTO W50
Tip: Counter-cooling your PRESTO with a Recirculating Cooler
If there is no cooling water, the PRESTO W50 can be cooled down with a recirculating cooler with a cooling capacity
of 13 kW at a flow temperature of 15°C. The required circulating pump has to ensure a flow rate of 13 l/min at a
counter-pressure of 0.5 bar. The recommended minimum tank volume is 50 liters.
Characteristics
Display
State-of-the-art display
technology
TFT Display for comfortable user
guidance, colored display of
measurement values, graphs and
control options, user-defined views
Operation
Optimal ease of use
Touch screen for direct operation via
display
Instructions inside
Help menus and explanations in
plain text for all control options, help
messages and warning messages
Multilingual user guidance
Language selection for display of
control options, notifications and
warning messages via touchscreen
Convenience for several users
Administrator level for customizing
instrument settings, user levels with
limited permissions for fast and safe
defined access, password
protection, all levels adjustable
Temperature Control
For perfect results
‘Intelligent Cascade Control’,
automatic & self optimizing
adjustment of PID control
parameters, temperature stability
±0.01 °C ... <±0.2 °C
Full control
‘Temperature Control Features’, for
individual optimization, access to all
important control parameters,
additional settings for band limit,
limits, co-speedfactor etc.
Control from the external
application
External Pt100 sensor connection
for precise measurement and
control directly in the external
application
Highest measuring accuracy
‘Absolute Temperature Calibration’
for manual compensation of a
temperature difference, 3-point
calibration
Refrigeration Technology
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
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
Technical Features
Intelligent pump system
Reliable and consistent pump
capacity, electronically adjustable
pump stages or pressure value,
automatic adjustment of pump
capacity to viscosity
Communication via networks
For the remote control of
instruments via Ethernet networks,
full access to all functions of the unit
via a networkcapable PC
Intelligent communication
USB connection for data exchange
(e.g. service data) or for wireless
remote control via WirelessTEMP®
Data exchange via SD-Card
For data exchange (e.g. service
data) via SD memory card
Connections according to
standard
RS232/RS485 dual-interface for
serial data transmission according to
EIA-485 industry standard (2-wire
bus technology), upgradable with
Profibus DP
Comfortable program control
Integrated programmer for the
execution of time and temperature
dependant profiles, 8 temperature
profiles with 60 steps max., with real
time clock
Quiet as a whisper
Efficient components produce only a
minimal sound decibel level
Space-saving footprint
All connections as well supply and
exhaust air are located at the front
or rear, no venting grids on the
sides, units can be placed close to
each other or the application
Continuous operation up to +40
°C
Robust temperature control
instrument, continuous operation
even at ambient temperatures of up
to +40 °C
Easy transport by one person
Ergonomic design facilitates moving
and positioning by one person
Filling level at a glance
Backlit indicator for selected pump
stages and filling volume
Warning & Safety Functions
Early warning system for high/low
temperature limits
Maximum safety for applications,
optical and audible signal when
limits are exceeded.
Duplicate safety
Adjustable high temperature cut-off
for internal tank and for integrated
expansion vessel
For flammable bath fluid
Classification III (FL) according to
DIN 12876-1
Quick support
If an error occurs, the integrated
Black-Box function permits fast
diagnosis by the JULABO service
team
Product data sheet 4/4
PRESTO W50
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