PRESTO W91 Temperature Control System
PRESTO W91
Powerful Temperature Control Systems for demanding applications with a temperature range from -91 °C to +250 °C
The PRESTO W91 Highly Dynamic Temperature Control Systems are amongst the most powerful units available. Their impressive power is harnessed by cutting-edge control technology. The W91 provides extraordinary heating, cooling, and pumping performance. But it also comes with the functions and features that make the new generation of PRESTO so unique.
Your advantages
- Extremely fast cool-down and heat-up times
- Wide working temperature range without changing the bath fluid
- Very fast compensation of exothermic and endothermic reactions
- Unsurpassed power and efficiency
- Heating capacity up to 36 kW
- 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
- Integrated programmer with real-time clock
- Filling level indicator and pump capacity displayed electronically
- Powerfol circulating pumps, electronically adjustable in stages or by setting the pressure value
- Interface for SD memory card
- Connections for USB, Ethernet, RS232, and Alarm output
- Optional analog connections, RS485, Profibus DP, Modbus
Technical Data
| Order No. | 9421912 | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Category | Temperature Control PRESTO | ||||||||||||||||||||
| Working temperature range (°C) | -91 ... +250 | ||||||||||||||||||||
| Temperature control | ICC | ||||||||||||||||||||
| Temperature stability (°C) | ±0.05 ... ±0.2 | ||||||||||||||||||||
| Setting / display resolution | 0.01 °C | ||||||||||||||||||||
| Integrated programmer | 8x60 steps | ||||||||||||||||||||
| Temperature Display | TFT Touchscreen | ||||||||||||||||||||
| Heating capacity (kW) | 18 | ||||||||||||||||||||
| Cooling capacity (Medium: JULABO Thermal | Ethanol) |
|
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| Pump capacity flow rate (l/min) | 26 ... 80 | ||||||||||||||||||||
| Pump capacity flow pressure (psi) | 7.25...43.51 | ||||||||||||||||||||
| Viscosity max. (cSt) | 50 | ||||||||||||||||||||
| Pump connections | M38x1.5 | ||||||||||||||||||||
| Refrigerant stage 1 | R404A | ||||||||||||||||||||
| Filling volume refrigerant stage 1 (g) | 4500 | ||||||||||||||||||||
| Global Warming Potential for | 3922 | ||||||||||||||||||||
| Carbon dioxide equivalent stage 1 (t) | 17.649 | ||||||||||||||||||||
| Refrigerant stage 2 | R23 | ||||||||||||||||||||
| Filling volume refrigerant stage 2 (g) | 1250 | ||||||||||||||||||||
| Global Warming Potential for | 14800 | ||||||||||||||||||||
| Carbon dioxide equivalent stage 2 (t) | 18.5 | ||||||||||||||||||||
| External Pt100 sensor connection | integrated | ||||||||||||||||||||
| Digital interfaces | RS232 Optional Profibus SD memory card USB Ethernet Modbus Alarm-out Optional RS485 |
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| Analog connection input / output | Optional | ||||||||||||||||||||
| Ambient temperature | 5 ... 40 °C | ||||||||||||||||||||
| Dimensions W x L x H (inch) | 37.4 x 50 x 74.8 | ||||||||||||||||||||
| Weight (LBS) | 1698 | ||||||||||||||||||||
| Sound pressure level (distance 1 m) max. (dBA) | 74 | ||||||||||||||||||||
| Process volume min. (active heat exchanger volume) liters | 28 (16) | ||||||||||||||||||||
| Internal usable expansion vol. (liters) | 40 | ||||||||||||||||||||
| Classification according to DIN12876-1 | Classification III (FL) | ||||||||||||||||||||
| Description | All data refers to the nominal voltage of 400 V, 3-phase, nominal frequency of 50 Hz and ambient temperature of +20 °C. Cooling capacity measured at max. pump stage. All pump data refers to a bath fluid with a specific density of 1 kg/dm³. | ||||||||||||||||||||
| Cooling of compressor | 2-stage Water | ||||||||||||||||||||
| Cooling water connection | G ¾‘‘ male with barbed fittings for tubing ½’’ lD | ||||||||||||||||||||
| Cooling water consumption (l/min) | 16…43 | ||||||||||||||||||||
| Cooling water temperature (°C) | <30 | ||||||||||||||||||||
| Cooling water differential pressure (bar) | 0.5 | ||||||||||||||||||||
| Power requirement V / Hz / A | 3x 480/60/38 Additional voltage versions available | ||||||||||||||||||||
| Available voltage versions | 3 x 400V/50Hz (+/- 10%) Without Plug 3 x 480V/60Hz (+/- 10%) Without Plug |
PRESTO W91 Product data sheet Click Here
JULABO PRESTO Brochure Click Here
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