PRESTO W92tt Process System
Highest cooling capacity of 27 kW and heating capacity up to 36 kW
Best cooling capacity and best heating capacity: PRESTO W92 are the most powerful systems offering the most modern temperature control technology. Environmental conditions can be simulated or vacuum chambers can be kept at defined temperatures (space conditions). The W92 systems always provide sufficient power.
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| Order No. | 9 421 922.TT.07 | |||||||||||||||||||||
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| Working temperature range | -92.0 ... +250.0 °C | |||||||||||||||||||||
| Temperature stability | ±0.05 ... ±0.2 °C | |||||||||||||||||||||
| Heating capacity | 36 kW | |||||||||||||||||||||
| Cooling capacity (Medium: Ethanol) |
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Cooling capacity
(Medium: Ethanol) |
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| Pump capacity flow rate | 26 ... 80 l/min | |||||||||||||||||||||
| Pump capacity flow pressure | 7.3 ... 43.5 psi | |||||||||||||||||||||
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Dimensions (W × L × H) |
37.4 x 50 x 74.8 in. | |||||||||||||||||||||
| Order No. | 9 421 922.TT.17 | |||||||||||||||||||||
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| Working temperature range | -92.0 ... +250.0 °C | |||||||||||||||||||||
| Temperature stability | ±0.05 ... ±0.2 °C | |||||||||||||||||||||
| Heating capacity | 36 kW | |||||||||||||||||||||
| Cooling capacity (Medium: Ethanol) |
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Cooling capacity
(Medium: Ethanol) |
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| Pump capacity flow rate | 26 ... 80 l/min | |||||||||||||||||||||
| Pump capacity flow pressure | 7.3 ... 43.5 psi | |||||||||||||||||||||
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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
- Intelligent warning and safety functions
- 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
- Cooling capacity up to 31 kW
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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 |
| Pump connections | M38x1.5 male |
| Cooling Water Connection | G¾ in. |
| Working temperature range | -92.0 ... +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 |
| Heating capacity | 36 kW | ||||||||||||||||||||||
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| Cooling capacity (Medium: Ethanol) |
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Cooling capacity
(Medium: Ethanol) |
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| 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 | ||||||||||||||||||||||
| Heating capacity | 36 kW | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cooling capacity (Medium: Ethanol) |
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|
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|
Cooling capacity
(Medium: Ethanol) |
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|
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| 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 of compressor | 2-stage Water |
|---|---|
| Cooling water pressure max. | 87 ... 79.8 psi |
| Cooling water difference pressure | 7.3 psi |
| Cooling water temperature max. | 30 °C |
| 1.0Cooling water consumption | 16 ... 43 l/min |
| 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) |
| 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 |
| 400V/3PNPE/50Hz Without Plug | 9421922.07 |
|---|---|
| 480V/3P(N)PE/60Hz Without Plug | 9421922.17 |
Accessory for PRESTO W92tt
Benefits
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![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.
