Julabo PRESTO W91 Temperature Control System Model # 9421912
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.
- 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
|Category||Temperature Control PRESTO|
|Working temperature range (°C)||-91 ... +250|
|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)||
|Pump capacity flow rate (l/min)||26 ... 80|
|Pump capacity flow pressure (psi)||7.25...43.51|
|Viscosity max. (cSt)||50|
|External Pt100 sensor connection||integrated|
SD memory card
|Analog connection input / output||Optional|
|Ambient temperature||5 ... 40 °C|
|Dimensions W x L x H (inch)||37.4 x 50 x 74.8|
|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
All returns must be authorized by Spectra Services in order to insure proper credit and must be requested within 30 days of purchase. All returns are subject to a minimum 15% restocking charge. For returns not due to error on behalf of Spectra Services, the customer is responsible for all transportation fees related to the returned product. To ensure proper credit, each product return must include the following information:
- Customer name and address
- Purchase order number
- Spectra Services shipping order number
- Date of invoice
- Item number of returned item(s)
- Spectra Services return authorization number (RMA)
- Reason for return
Unfortunately, Spectra Services is unable to accept the following returns at this time:
- Products not in completely resalable condition (including products with damaged, missing, or defaced labeling or packaging
- Chemicals, reagents, diagnostics, sterile, or any controlled products (unless products do not meet specification
- Labroatory apparatus or instruments that have been used or are without the original packaging, labeling and operating manuals
- Refrigerated products or other perishables
- Products which are not inventoried by Spectra Services and are not able to be returned to the manufacturer
- Products purchased on a special order
- Products not purchased from Spectra Services
- Products with an expired shelf life or an expiration date too short for resale
- Discontinued products
Spectra Services reserves the right to review this policy on a case-by-case basis.
Upon receipt of the pre-owned product(s), the customer has one week to evaluate the product to ensure it meets their expectations. If for some reason the customer decides to return the product, they may do so at any point during those seven (7) days for a full refund. No restocking fee will be assessed, however, the customer is responsible for the return shipping costs. Full credit will be issued upon receipt and inspection of the item(s) to ensure equipment was returned in the same condition it was initially shipped out in.
All exchanges and returns require the completion of a Return Merchandise Authorization (RMA) form. Once completed, please return the merchandise immediately as the RMA number is only active for ten (10) days from the date of issuance.
Charges associated with returning items are the responsibility of the customer unless the item(s) arrived defective, damaged, or incorrect.
Spectra Services highly recommends that return packages be insured for full value and packaged securely to prevent shipping damage.
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249 David Parkway
Ontario, NY 14519 US
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