PRESTO W80 Process System

2-stage process circulators for low temperatures

As air- or water-cooled versions, the A80 and W80 units with 2-stage refrigeration unit offer high cooling and heating capacities for lowest temperatures down to -80 °C.

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Data based on voltage version:
230V/50Hz (Schuko Plug - CEE 7/4 Plug Type F)
W80
Order No. 9 421 801.03
Working temperature range -80.0 ... +250.0 °C
Temperature stability +/-0.01 ... +/-0.05 °C
Heating capacity 1.8 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40 -60 -80
1.2 1.2 1.2 1.2 1.1 1.1 1.1 0.65 0.1
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40 -60 -80
kW 1.2 1.2 1.2 1.2 1.1 1.1 1.1 0.65 0.1
Pump capacity flow rate 16 ... 40 l/min
Pump capacity flow pressure 0.3 ... 1.7 bar
Dimensions
(W × L × H)
43 x 65 x 126 cm
W80
Order No. 9 421 801.04
Working temperature range -80.0 ... +250.0 °C
Temperature stability +/-0.01 ... +/-0.05 °C
Heating capacity 1.05 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40 -60 -80
1.2 1.2 1.2 1.2 1.1 1.1 1.1 0.65 0.1
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40 -60 -80
kW 1.2 1.2 1.2 1.2 1.1 1.1 1.1 0.65 0.1
Pump capacity flow rate 16 ... 40 l/min
Pump capacity flow pressure 0.3 ... 1.7 bar
Dimensions
(W × L × H)
43 x 65 x 126 cm
W80
Order No. 9 421 801.14
Working temperature range -80.0 ... +250.0 °C
Temperature stability +/-0.01 ... +/-0.05 °C
Heating capacity 1.5 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40 -60 -80
1.2 1.2 1.2 1.2 1.1 1.1 1 0.65 0.1
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40 -60 -80
kW 1.2 1.2 1.2 1.2 1.1 1.1 1 0.65 0.1
Pump capacity flow rate 15 ... 38 l/min
Pump capacity flow pressure 0.3 ... 1.3 bar
Dimensions
(W × L × H)
43 x 65 x 126 cm

Product Features

  • For highly precise, external temperature applications
  • Rapid heating and cooling
  • Wide working temperature ranges without changing fluids
  • Highest performance with small footprint
  • Space-saving design optimizes space utilization in your lab
  • 5,7” industrial color TFT touch screen
  • USB connection
  • Ethernet
  • SD-Card slot
  • RS232
  • Modbus
  • RS485 (Accessory)
  • Profibus DP (Accessory)
  • CCC Anschlüsse für Alarm-Ausgang, Pt100-Externfühler und Standby-Eingang
  • Removable ventilation grid
  • Heating capacity up to 3.4 kW
  • Cooling capacity up to 1.2 kW
Dimensions and volumes
Dimensions
(W × L × H)
43 x 65 x 126 cm
Filling volume expansion vessel 8 l
Internal usable expansion volume 5.6 l
Minimal process volume 3.9 l
Active heat exchanger volume 1.7 l
Weight 159 kg
Pump connections M24x1.5  male
Cooling Water Connection G¾ in
Temperature values
Working temperature range -80.0 ... +250.0 °C
Temperature stability +/-0.01 ... +/-0.05 °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:
230V/50Hz (Schuko Plug - CEE 7/4 Plug Type F)
Performance values
Heating capacity 1.8 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40 -60 -80
1.2 1.2 1.2 1.2 1.1 1.1 1.1 0.65 0.1
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40 -60 -80
kW 1.2 1.2 1.2 1.2 1.1 1.1 1.1 0.65 0.1
Pump capacity flow rate 16 ... 40 l/min
Pump capacity flow pressure 0.3 ... 1.7 bar
Viscosity max. 50 cST
Refrigerant stage 1
Refrigerant R507
Global Warming Potential for R507 3985
Filling volume 1140 g
Carbon dioxide equivalent 4.543 t
Refrigerant stage 2
Refrigerant R23
Global Warming Potential for R23 14800
Filling volume 500 g
Carbon dioxide equivalent 7.4 t
Performance values
Heating capacity 1.05 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40 -60 -80
1.2 1.2 1.2 1.2 1.1 1.1 1.1 0.65 0.1
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40 -60 -80
kW 1.2 1.2 1.2 1.2 1.1 1.1 1.1 0.65 0.1
Pump capacity flow rate 16 ... 40 l/min
Pump capacity flow pressure 0.3 ... 1.7 bar
Viscosity max. 50 cST
Refrigerant stage 1
Refrigerant R507
Global Warming Potential for R507 3985
Filling volume 1140 g
Carbon dioxide equivalent 4.543 t
Refrigerant stage 2
Refrigerant R23
Global Warming Potential for R23 14800
Filling volume 500 g
Carbon dioxide equivalent 7.4 t
Performance values
Heating capacity 1.5 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40 -60 -80
1.2 1.2 1.2 1.2 1.1 1.1 1 0.65 0.1
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40 -60 -80
kW 1.2 1.2 1.2 1.2 1.1 1.1 1 0.65 0.1
Pump capacity flow rate 15 ... 38 l/min
Pump capacity flow pressure 0.3 ... 1.3 bar
Viscosity max. 50 cST
Refrigerant stage 1
Refrigerant R507
Global Warming Potential for R507 3985
Filling volume 1140 g
Carbon dioxide equivalent 4.543 t
Refrigerant stage 2
Refrigerant R23
Global Warming Potential for R23 14800
Filling volume 500 g
Carbon dioxide equivalent 7.4 t
Cooling
Cooling of compressor 2-stage Water
Cooling water pressure max. 6 ... 5.5 bar
Cooling water difference pressure 0.5 bar
Cooling water temperature max. 30 °C
Cooling water consumption 2 l/min
Other
Sound pressure level 64 dbA
Classification
according to DIN12876-1
Classification III (FL)
IP Code
according to IEC 60529
IP 20
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 display 5.7" TFT Touchscreen
Temperature setting Touchscreen
Available voltage versions
230V/50Hz Schuko Plug - CEE 7/4 Plug Type F 9421801.03
230V/50Hz UK Plug Type BS1363A 9421801.04
208V/60Hz Nema N5-20 Plug 9421801.14

Cool-down time

chart_cd-W80_2

Heat-up time

chart_hu-W80_2

Accessory for PRESTO W80

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.