PRESTO W91 Process System

11 kW cooling capacity for dynamic temperature changes down to -91 °C

Best heating performance combined with high cooling capacity – those are the key features of the W91 systems. These models are just as ready for embedding into pilot plants as they are for use in material and component testing.

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Data based on voltage version:
480V/3P(N)PE/60Hz (Without Plug)
W91
Order No. 9 421 912.07
Working temperature range -91.0 ... +250.0 °C
Temperature stability ±0.05 ... ±0.2 °C
Heating capacity 18 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40 -60 -80
11 11 11 11 11 10.5 10.5 8 2
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40 -60 -80
kW 11 11 11 11 11 10.5 10.5 8 2
Pump capacity flow rate 26 ... 80 l/min
Pump capacity flow pressure 7.3 ... 43.5 psi
Dimensions
(W × L × H)
37.4 x 50 x 74.8 in.
W91
Order No. 9 421 912.17
Working temperature range -91.0 ... +250.0 °C
Temperature stability ±0.05 ... ±0.2 °C
Heating capacity 18 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40 -60 -80
11 11 11 11 11 10.5 10.5 8 2
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40 -60 -80
kW 11 11 11 11 11 10.5 10.5 8 2
Pump capacity flow rate 26 ... 80 l/min
Pump capacity flow pressure 7.3 ... 43.5 psi
Dimensions
(W × L × H)
37.4 x 50 x 74.8 in.

Product Features

  • Rapid heating and cooling
  • Wide working temperature ranges using one bath fluid
  • Designed to quickly compensate exothermic and endothermic reactions
  • Unsurpassed power and efficiency
  • Ambient temperature range +5 °C to +40 °C
  • Space optimized design creates more room directly next to the units
  • Integrated 5.7” industrial color touchscreen displays all essential information and enables simple fingertip control
  • Extensive warning, protection, and monitoring functions with detailed self-explanatory messages
  • ICC cascade control for extraordinary precision, temperature stability ±0.05 °C … ±0.2 °C
  • Integrated programmer
  • Electronic level indication
  • Powerful circulating pumps, select a stage or a specific pressure
  • SD-Card slot
  • Connections for USB, Ethernet, RS232, and Alarm output
  • Optional analog connections, RS485, Profibus DP, Modbus
  • Pump pressure up to 5.5 bar, max. flow rate 80 l/min
  • Temperature stability ±0.05 ... ±0.2°C
  • Intelligent warning and safety functions
Dimensions and volumes
Dimensions
(W × L × H)
37.4 x 50 x 74.8 in.
Internal usable expansion volume 40 l
Minimal process volume 28 l
Active heat exchanger volume 16 l
Weight 1918 lbs
Pump connections M38x1.5  male
Cooling Water Connection G¾ in.
Temperature values
Working temperature range -91.0 ... +250.0 °C
Temperature stability ±0.05 ... ±0.2 °C
Setting the resolution of the temperature display 0.01 °C
Temperature display resolution 0.01 °C
Ambient temperature +5.0 ... +40.0 °C
Data based on voltage version:
480V/3P(N)PE/60Hz (Without Plug)
Performance values
Heating capacity 18 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40 -60 -80
11 11 11 11 11 10.5 10.5 8 2
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40 -60 -80
kW 11 11 11 11 11 10.5 10.5 8 2
Pump capacity flow rate 26 ... 80 l/min
Pump capacity flow pressure 7.3 ... 43.5 psi
Viscosity max. 50 cST
Refrigerant stage 1
Refrigerant R404A
Global Warming Potential for R404A 3922
Filling volume 4500 g
Carbon dioxide equivalent 17.649 t
Refrigerant stage 2
Refrigerant R23
Global Warming Potential for R23 14800
Filling volume 1250 g
Carbon dioxide equivalent 18.5 t
Performance values
Heating capacity 18 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40 -60 -80
11 11 11 11 11 10.5 10.5 8 2
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40 -60 -80
kW 11 11 11 11 11 10.5 10.5 8 2
Pump capacity flow rate 26 ... 80 l/min
Pump capacity flow pressure 7.3 ... 43.5 psi
Viscosity max. 50 cST
Refrigerant stage 1
Refrigerant R404A
Global Warming Potential for R404A 3922
Filling volume 4500 g
Carbon dioxide equivalent 17.649 t
Refrigerant stage 2
Refrigerant R23
Global Warming Potential for R23 14800
Filling volume 1250 g
Carbon dioxide equivalent 18.5 t
Cooling
Cooling of compressor 2-stage Water
Cooling water pressure max. 87 ... 79.8 psi
Cooling water difference pressure 7.3 bar
Cooling water temperature max. 30 °C
1.0Cooling water consumption 16 ... 43 l/min
Other
Sound pressure level 74 dbA
Classification
according to DIN12876-1
Classification III (FL)
IP Code
according to IEC 60529
IP 21
Pump type Centrifugal Pump (Magnetically coupled)
Electronics
External pt100 sensor connection integrated
2nd external Pt100 sensor connection accessory
Integrated programmer 8x60 steps
Temperature control ICC
Absolute temperature calibration 3 Point Calibration
Temperature displayTemperature display 5.7" TFT Touchscreen
Temperature settingTemperature setting Touchscreen
Available voltage versions
400V/3PNPE/50Hz Without Plug 9421912.07
480V/3P(N)PE/60Hz Without Plug 9421912.17
chart_cd-W91

Accessory for PRESTO W91

Brochure

Highly dynamic Temperature Control Systems
English
PDF - 2.53 MB

Download

Brochure

Temperature Control Solutions for Material and Component Tests
English
PDF - 2.08 MB

Download

Product Data Sheet

PRESTO W91
English, Canada
PDF - 397 KB

Download

We would also be happy to send you our printed catalogs and brochures by post.

Request brochure

Benefits

  • TCF
    Touch display. Perfect operation.
    With the touch display, the user always has an overview of all values and functions. The intuitive and multilingual menu structure enables perfect control.
  • TCF
    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
  • ACC
    100 % Cooling capacity
    ‘Active Cooling Control’ for cooling available throughout the entire working temperature range, fast cool-down even at higher temperatures
  • ICC
    Intelligent temperature control.
    Intelligent cascade control - automatic and self-optimizing adaptation of the PID control parameters with external stability of +/- 0.05 °C.
  • TCF
    Full control
    ‘Temperature Control Features’, for individual optimization, access to all important control parameters, additional settings for band limit, limits, co-speedfactor etc.
  • PT100
    Control from the external application
    External Pt100 sensor connection for precise measurement and control directly in the external application
  • ATC
    Highest measuring accuracy
    ‘Absolute Temperature Calibration’ for manual compensation of a temperature difference, 3-point calibration
  • Intelligentes Pumpensystem
    Intelligent pump system
    Reliable and consistent pump capacity, electronically adjustable pump stages or pressure value, automatic adjustment of pump capacity to viscosity
  • Viele Schnittstellen
    Many interfaces.
    Straight-forward remote control, data management, and integration into process structures. USB, Ethernet, RS232, SD card, and alarm off are permanently integrated. Further interfaces available as accessories.
  • TCF
    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
  • TCF
    Continuous operation up to +40 °C
    Robust temperature control instrument, continuous operation even at ambient temperatures of up to +40 °C
  • Sicherheit
    Maximum safety.
    Classification III according to DIN12876-1 enables safe operation, even with flammable fluids. Automatic switch-off in the event of high temperature or low liquid level.
  • TCF
    Duplicate safety
    Adjustable high temperature cut-off for internal tank and for integrated expansion vessel
  • S3
    For flammable bath fluid
    Classification III (FL) according to DIN 12876-1
  • TCF
    Quick support
    If an error occurs, the integrated Black-Box function permits fast diagnosis by the JULABO service team
  • 100% geprüft
    100% Checked.
    100% testing. 100% quality. Each JULABO Circulator undergoes thorough quality testing before leaving the factory.
  • Blatt wächst in einer Glühbirne
    Green technology.
    Development consistently applied environmentally friendly materials and technologies.
  • Made in Germany
    JULABO. Quality.
    Highest standards of quality for a long product life.
  • Quickstart
    Quick start.
    Individual JULABO consultation and comprehensive manuals at your disposal.
  • network
    Satisfied customers.
    11 subsidiaries and more than 100 partners worldwide guarantee fast and qualified JULABO support.
  • Downloads
    Services 24/7.
    Around the clock availability. You can find suitable accessories, data sheets, manuals, case studies, and more at www.julabo.com.