PRESTO W85 Process system

Powerhouses among the process system

High cooling capacities enable extremely low temperatures down to -85 °C possible. The high heating capacity, particularly with the A85t and the W85t, provides even more flexibility in the application.

Performance data depends on the mains voltage in the country of use. Please select:

Country of use | Mains voltage | Plug | JULABO voltage version code
W85
Order No. 9421852.07
Working temperature range -85.0 ... +250.0 °C
Temperature stability +/-0.05 ... +/-0.1 °C
Heating capacity 6 kW
Cooling capacity
Medium: Ethanol
°C 200 20 0 -20 -30 -40 -60 -80
kW* 2.8
2.5
2.4
2.4
2.4
2.4
2.2
0.4
Refrigerant Information Refrigerant stage 1 Refrigerant stage 2
Refrigerant R507 R23
Global Warming Potential 3985 14800
Filling volume 900 g 680 g
Carbon dioxide equivalent 3.587 t 10.064 t
Pump capacity flow rate 35 ... 80 l/min
Pump capacity flow pressure 0.48 ... 3.2 bar
Dimensions
(W × L × H)
61 x 84.5 x 125 cm
Arrange callback Accessory

Product Features

  • Rapid heating and cooling
  • For highly precise, external temperature applications
  • Wide working temperature ranges without changing fluids
  • Highest performance with small footprint
  • Space-saving design optimizes space utilization in your lab
  • Cooling capacity up to 2.8 kW
  • Pump pressure up to 3.2 bar, max. flow rate 80 l/min
  • 5,7” industrial color TFT touch screen
  • SD-Card slot
  • Connections for USB, Ethernet, RS232, and Alarm output
  • Modbus
  • Connections for alarm-output, Pt100 external sensor and standby-input
  • Ports for USB, Ethernet, RS232, Modbus
Dimensions and volumes
Dimensions
(W × L × H)
61 x 84.5 x 125 cm
Internal usable expansion volume 7 l
Minimal process volume 9.5 l
Active heat exchanger volume 5 l
Weight 335 kg
Pump connections M30x1.5 male
Cooling Water Connection G¾ in
Temperature values
Working temperature range -85.0 ... +250.0 °C
Temperature stability +/-0.05 ... +/-0.1 °C
Setting the resolution of the temperature display 0.01 °C
Temperature display resolution 0.01 °C
Ambient temperature +5.0 ... +40.0 °C

Performance data depends on the mains voltage in the country of use. Please select:

Country of use | Mains voltage | Plug | JULABO voltage version code
Performance values
Heating capacity 6 kW
Cooling capacity
Medium: Ethanol
°C 200 20 0 -20 -30 -40 -60 -80
kW* 2.8
2.5
2.4
2.4
2.4
2.4
2.2
0.4
Refrigerant Information Refrigerant stage 1 Refrigerant stage 2
Refrigerant R507 R23
Global Warming Potential 3985 14800
Filling volume 900 g 680 g
Carbon dioxide equivalent 3.587 t 10.064 t
Pump capacity flow rate 35 ... 80 l/min
Pump capacity flow pressure 0.48 ... 3.2 bar
Viscosity max. 50 cST
Power 18 A
Cooling
Cooling of compressor 2-stage Water
Cooling water pressure max. 6 bar
Cooling water difference pressure 0.5 bar
Cooling water temperature max. 35 °C
Cooling water consumption 2 ... 6 l/min
Other
Sound pressure level 69 dbA
Classification
according to DIN12876-1
Classification III (FL)
IP Code
according to IEC 60529
IP 21
Pump type Centrifugal Pump (Magnetically coupled)
Electronics
Digital interface USB / Ethernet
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 display 5.7" TFT Touchscreen
Temperature setting Touchscreen
Available voltage versions
9421852.07 400V/3PNPE/50Hz (Plug 32A CEE) (R507)
9421852.16 208-230V/3PPE/60Hz (Without Plug) (R507)
9421852.06 230V/3PPE/50Hz (Plug 63A CEE) (R507)

Cool-down time

Pump capacity

Accessory for PRESTO W85

Contact expert

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


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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.