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SKU: 9421913-TT Julabo PRESTO W91ttx Temperature Control System Model # 9421913-TT

Julabo PRESTO W91ttx Temperature Control System Model # 9421913-TT

Julabo PRESTO W91ttx Temperature Control System Model # 9421913-TT

SKU: 9421913-TT

Vendor: Julabo
Shipping Weight: 1775.00 pounds
Part Number: julabo-9421913-17-TT
Product Documents
Purchase Julabo PRESTO W91ttx Temperature Control System Model # 9421913-TT

Julabo PRESTO W91ttx Temperature Control System Model # 9421913-TT

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.


  • 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. 9421913.TT
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) 36
Cooling capacity (Medium: JULABO Thermal | Ethanol)
°C 200 100 20 0 -20 -40 -60 -80
kW 11 11 11 10 9.5 9 6.5 1.5
Pump capacity flow rate (l/min) 18 ... 70
Pump capacity flow pressure (psi) 11.6...79.77
Viscosity max. (cSt) 70
Pump connections M38x1.5
External Pt100 sensor connection integrated
Digital interfaces RS232
Optional Profibus
SD memory card
Optional RS485
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) 1775
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 480/60/60 Additional voltage versions available
Available voltage versions 3 x 400V/50Hz (+/- 10%) / 76A / Without Plug
3 x 480V/60Hz (+/- 10%) / 45A / 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

Non-Returnable Goods
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
  • Laboratory 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.

Pre-Owned Products

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.

Important Information

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.

We're Here To Help

Your satisfaction is important to us! Use this form Contact Us to email us your questions about products, online orders, store experiences and more.

Order Questions:

If you need help or have any other questions concerning your orders, please click on the "Contact us" form above or call: 800-955-7732.

Our Address:
Spectra Services, Inc.
249 David Parkway
Ontario, NY 14519 US
Phone: 800-955-7732
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International Shipping Policy

and contact us if we can assist.

"Will I be charged for shipping?"

Shipping charges will be added to your invoice unless you provide us with your UPS, DHL, or FedEx account number. For a more detailed insight into our shipping process, see our shipping information page.

"I received a damaged shipment. What can I do?"

Accidental damage during shipment can sometimes happen. When you take delivery of your freight, please inspect thoroughly for any visible damage to the outside of the shipping container before signing for it. If there are multiple pieces to the shipment, please account for all them. Should you find that any of the products are damaged or missing after receipt, contact us within three days to address the matter.

"I'd like to make a return. How do I do that?"

Take a look at our Return Policy, and then contact us to continue with the process. Let us know if you have any questions.

"Can you guarantee pricing and availability?"

While we attempt to list and provide you the most up-to-date pricing, we reserve the right to make changes. Additionally, we cannot guarantee that we will always have a product in stock, but we do our best to accommodate your needs. If you have questions regarding pricing or availability, please do not hesitate to ask.

"Can you explain where you come up with the 'List Price,' please?"

Our "List Price" represents the full retail price as suggested by the supplier or manufacturer, the price estimated based on comparable items offered elsewhere in the marketplace, a former price the item was offered for by Spectra Services, or the price estimated in accordance with industry standards. Please note that we do our best to provide accurate list prices, and that it may vary by geographic location.