PRESTO W50t Process System

Water-cooled process circulators down to -50 °C

The rapid compensation of reactions even at higher ambient temperatures is the domain of the water-cooled W50 units. High heating and cooling capacity paired with powerful pumps.

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Data at mains voltage / frequency:
208V/3PPE/60Hz (Without Plug)
W50t
Order No. 9 421 502.T.07
Working temperature range -50.0 ... +250.0 °C
Temperature stability +/-0.05 ... +/-0.1 °C
Heating capacity 12 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 20 0 -10 -20 -30 -40
7 7.5 6.5 4.5 2.8 1.6 0.6
Cooling capacity
(Medium: Ethanol)
°C 200 20 0 -10 -20 -30 -40
kW 7 7.5 6.5 4.5 2.8 1.6 0.6
Pump capacity flow rate 35 ... 76 l/min
Pump capacity flow pressure 7 ... 46.4 psi
Dimensions
(W × L × H)
20.9 x 26.2 x 49.6 in.
W50t
Order No. 9 421 502.T.16
Working temperature range -50.0 ... +250.0 °C
Temperature stability +/-0.05 ... +/-0.1 °C
Heating capacity 10 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 20 0 -10 -20 -30 -40
7 7.5 6.5 5 3 1.8 0.6
Cooling capacity
(Medium: 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 35 ... 76 l/min
Pump capacity flow pressure 7 ... 43.5 psi
Dimensions
(W × L × H)
20.9 x 26.2 x 49.6 in.
W50t
Order No. 9 421 502.T.16
Working temperature range -50.0 ... +250.0 °C
Temperature stability +/-0.05 ... +/-0.1 °C
Heating capacity 12 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 20 0 -10 -20 -30 -40
7 7.5 6.5 5 3 1.8 0.6
Cooling capacity
(Medium: 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 35 ... 76 l/min
Pump capacity flow pressure 7 ... 46.4 psi
Dimensions
(W × L × H)
20.9 x 26.2 x 49.6 in.
W50t
Order No. 9 421 502.T.06
Working temperature range -50.0 ... +250.0 °C
Temperature stability +/-0.05 ... +/-0.1 °C
Heating capacity 12 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 20 0 -10 -20 -30 -40
7 7.5 6.5 4.5 2.8 1.6 0.6
Cooling capacity
(Medium: Ethanol)
°C 200 20 0 -10 -20 -30 -40
kW 7 7.5 6.5 4.5 2.8 1.6 0.6
Pump capacity flow rate 35 ... 76 l/min
Pump capacity flow pressure 7 ... 46.4 psi
Dimensions
(W × L × H)
20.9 x 26.2 x 49.6 in.

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
  • Ethernet
  • SD-Card slot
  • RS232
  • Modbus
  • RS485 (Accessory)
  • Profibus DP (Accessory)
  • CCC Anschlüsse für Alarm-Ausgang, Pt100-Externfühler und Standby-Eingang
  • Pump pressure up to 3.2 bar, max. flow rate 76 l/min
  • Second external Pt100 sensor connection (accessory)
  • Temperature stability ±0.05 °C ... ±0.1 °C
Dimensions and volumes
Dimensions
(W × L × H)
20.9 x 26.2 x 49.6 in.
Internal usable expansion volume 7.5 l
Minimal process volume 7.5 l
Active heat exchanger volume 3.5 l
Weight 463 lbs
Pump connections M30x1.5  male
Cooling Water Connection G¾ in.
Temperature values
Working temperature range -50.0 ... +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
Data at mains voltage / frequency:
208V/3PPE/60Hz (Without Plug)
Performance values
Heating capacity 12 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 20 0 -10 -20 -30 -40
7 7.5 6.5 4.5 2.8 1.6 0.6
Cooling capacity
(Medium: Ethanol)
°C 200 20 0 -10 -20 -30 -40
kW 7 7.5 6.5 4.5 2.8 1.6 0.6
Pump capacity flow rate 35 ... 76 l/min
Pump capacity flow pressure 7 ... 46.4 psi
Viscosity max. 50 cST
Refrigerant stage 1
Refrigerant R452A
Global Warming Potential for R452A 2140
Filling volume 1100 g
Carbon dioxide equivalent 2.354 t
Performance values
Heating capacity 10 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 20 0 -10 -20 -30 -40
7 7.5 6.5 5 3 1.8 0.6
Cooling capacity
(Medium: 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 35 ... 76 l/min
Pump capacity flow pressure 7 ... 43.5 psi
Viscosity max. 50 cST
Refrigerant stage 1
Refrigerant R507
Global Warming Potential for R507 3985
Filling volume 0 g
Carbon dioxide equivalent 0 t
Performance values
Heating capacity 12 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 20 0 -10 -20 -30 -40
7 7.5 6.5 5 3 1.8 0.6
Cooling capacity
(Medium: 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 35 ... 76 l/min
Pump capacity flow pressure 7 ... 46.4 psi
Viscosity max. 50 cST
Refrigerant stage 1
Refrigerant R507
Global Warming Potential for R507 3985
Filling volume 0 g
Carbon dioxide equivalent 0 t
Performance values
Heating capacity 12 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 20 0 -10 -20 -30 -40
7 7.5 6.5 4.5 2.8 1.6 0.6
Cooling capacity
(Medium: Ethanol)
°C 200 20 0 -10 -20 -30 -40
kW 7 7.5 6.5 4.5 2.8 1.6 0.6
Pump capacity flow rate 35 ... 76 l/min
Pump capacity flow pressure 7 ... 46.4 psi
Viscosity max. 50 cST
Refrigerant stage 1
Refrigerant R452A
Global Warming Potential for R452A 2140
Filling volume 1100 g
Carbon dioxide equivalent 2.354 t
Cooling
Cooling of compressor 1-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 8 ... 12 l/min
Other
Sound pressure level 65 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 displayTemperature display 5.7" TFT Touchscreen
Temperature settingTemperature setting Touchscreen
Available voltage versions
400V/3PNPE/50Hz Plug 32A CEE 9421502.07
208-230V/3PPE/60Hz Without Plug 9421502.16
230V/3PPE/50Hz Plug 63A CEE 9421502.06

Cool-down time

chart_cd-W50t

Heat-up time

chart_hu-W50t_2

Accessory for PRESTO W50t

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.