PRESTO W40 Process System

Compact process circulators down to -40 °C

The A30, A40 and W40 process circulators combine high performance and a very compact design with the advantages of the PRESTO series for a working temperature range down to -40 °C.

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Data at mains voltage / frequency:
230V/50Hz (Schuko Plug - CEE 7/4 Plug Type F)
Change
W40
Order No. 9 421 401.33
Working temperature range -40.0 ... +250.0 °C
Temperature stability ±0.01 ... ±0.05 °C
Heating capacity 2.1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.33
Working temperature range -40.0 ... +250.0 °C
Temperature stability ±0.01 ... ±0.05 °C
Heating capacity 2.1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.33
Working temperature range -40.0 ... +250.0 °C
Temperature stability ±0.01 ... ±0.05 °C
Heating capacity 2.7 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 16 ... 40 l/min
Pump capacity flow pressure 0.3 ... 1.7 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.33
Working temperature range -40.0 ... +250.0 °C
Temperature stability ±0.01 ... ±0.05 °C
Heating capacity 2.7 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 16 ... 40 l/min
Pump capacity flow pressure 0.3 ... 1.7 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.04
Working temperature range -40.0 ... +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 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.04
Working temperature range -40.0 ... +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 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.04
Working temperature range -40.0 ... +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 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 16 ... 40 l/min
Pump capacity flow pressure 0.3 ... 1.7 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.04
Working temperature range -40.0 ... +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 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 16 ... 40 l/min
Pump capacity flow pressure 0.3 ... 1.7 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.05
Working temperature range -40.0 ... +250.0 °C
Temperature stability ±0.01 ... ±0.05 °C
Heating capacity 1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.05
Working temperature range -40.0 ... +250.0 °C
Temperature stability ±0.01 ... ±0.05 °C
Heating capacity 1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.05
Working temperature range -40.0 ... +250.0 °C
Temperature stability ±0.01 ... ±0.05 °C
Heating capacity 1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 16 ... 40 l/min
Pump capacity flow pressure 0.3 ... 1.7 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.05
Working temperature range -40.0 ... +250.0 °C
Temperature stability ±0.01 ... ±0.05 °C
Heating capacity 1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40
1.2 1.2 1.2 1 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40
kW 1.2 1.2 1.2 1 0.55 0.3 0.07
Pump capacity flow rate 16 ... 40 l/min
Pump capacity flow pressure 0.3 ... 1.7 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
W40
Order No. 9 421 401.14
Working temperature range -40.0 ... +250.0 °C
Temperature stability ±0.01 ... ±0.05 °C
Heating capacity 2.3 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 16 ... 38 l/min
Pump capacity flow pressure 0.1 ... 1.3 bar
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Cooling capacities at pump stage 1
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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
  • Built-in 5.7’’ industrial color touchscreen
  • 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 2.7 kW
  • Cooling capacity up to 1.2 kW
  • Pump pressure up to 1.7 bar, max. flow rate 40 l/min
  • Temperature stability ±0.01 °C ... ±0.05 °C
  • Alarm output
  • Second external Pt100 sensor connection for A40 and W40 (accessory)
Dimensions and volumes
Dimensions
(W × L × H)		 33 x 59 x 67 cm
Internal usable expansion volume 2.7 l
Minimal process volume 3.5 l
Active heat exchanger volume 1.7 l
Weight 78 kg
Pump connections M24x1.5  male
Cooling Water Connection G¾ in
Temperature values
Working temperature range -40.0 ... +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 at mains voltage / frequency:
230V/50Hz (Schuko Plug - CEE 7/4 Plug Type F)
Change
Performance values
Heating capacity 2.1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Viscosity max. 50 cST
Refrigerant stage 1
 Refrigerant R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 2.1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Viscosity max. 50 cST
Refrigerant stage 1
 Refrigerant R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 2.7 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
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 R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 2.7 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
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 R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 1.8 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Viscosity max. 50 cST
Refrigerant stage 1
 Refrigerant R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 1.8 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Viscosity max. 50 cST
Refrigerant stage 1
 Refrigerant R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 1.8 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
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 R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 1.8 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
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 R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Viscosity max. 50 cST
Refrigerant stage 1
 Refrigerant R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 15 ... 36 l/min
Pump capacity flow pressure 0.1 ... 1.2 bar
Viscosity max. 50 cST
Refrigerant stage 1
 Refrigerant R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
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 R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 1 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -20 -30 -40
1.2 1.2 1.2 1 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -20 -30 -40
kW 1.2 1.2 1.2 1 0.55 0.3 0.07
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 R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Performance values
Heating capacity 2.3 kW
Cooling capacity
(Medium: Ethanol)
°C
kW
200 100 20 0 -10 -20 -30 -40
1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Cooling capacity
(Medium: Ethanol)
°C 200 100 20 0 -10 -20 -30 -40
kW 1.2 1.2 1.2 1 0.8 0.55 0.3 0.07
Pump capacity flow rate 16 ... 38 l/min
Pump capacity flow pressure 0.1 ... 1.3 bar
Viscosity max. 50 cST
Refrigerant stage 1
 Refrigerant R449A
Global Warming Potential for R449A 1397
Filling volume 380 g
Carbon dioxide equivalent 0.531 t
Cooling
Cooling of compressor 1-stage Water
Cooling water pressure max. 6 ... 5.5 bar
Cooling water difference pressure 0.5 bar
Cooling water temperature max. 40 °C
Cooling water consumption 1 l/min
Other
Sound pressure level 53 dbA
Classification
according to DIN12876-1 		Classification III (FL)
IP Code
according to IEC 60529 		IP 21
Pump type Centrifugal Pump (Magnetically coupled)
Cooling capacities at pump stage 1
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
200-230V/50-60Hz Schuko Plug - CEE 7/4 Plug Type F 9421401.33
230V/50-60Hz UK Plug Type BS1363A 9421401.04
230V/50-60Hz CH Plug Type SEV 1011 9421401.05
208V/60Hz Nema N6-20 Plug 9421401.14
Cooling capacities at pump stage 1

Overview

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Cool-down time

chart_cd-W40

Accessory for PRESTO W40

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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.