---
title: 'Presto W91t'
date: '2022-09-13T15:39:09+02:00'
author: Anonimo
tags:
  - Termostatazione
  - Sintesi chimica
  - Reazione
  - Refrigerazione
  - Chiller
  - JULABO
  - Chimico
  - Farmaceutico
type: prodotto
url: https://www.steroglass.it/presto-w91t
id: 979
---

[JULABO](https://www.steroglass.it/marchi/julabo)

# Presto W91t

[Strumentazione Da Laboratorio](https://www.steroglass.it/strumentazione-da-laboratorio)

[Chiller](https://www.steroglass.it/strumentazione-da-laboratorio/chiller)

#### Contatta un nostro esperto per maggiori informazioni.

 ![](/sites/default/files/styles/scale_580x380/public/images/prodotti/2022-09/5599.jpg?itok=-kXrjHXi)

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  

 -Powerful 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  

 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): 24  

 Cooling capacity (Medium 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): 26 ... 80  

 Pump capacity flow pressure (bar): 0.5 ... 3.0  

 Pump connections: M38x1.5  

 Refrigerant: R23, R404a  

 External Pt100 sensor connection: integrated  

 Digital interfaces: RS232, Optional Profibus, SD memory card, USB, Ethernet, Modbus, Alarm-out, Optional RS485  

 Ambient temperature: 5 ... 40 °C  

 Dimensions W x L x H (cm): 95 x 127 x 190  

 Weight (kg): 780  

 Sound pressure level (distance 1 m) max. (dBA): 74  

 Viscosity max. (cSt): 50  

 Process volume min. (active heat exchanger volume) liters: 28 (16)  

 Internal usable expansion vol. (liters): 40  

 Classification according to DIN12876-1: Classification III (FL)  

 Analog connection input / output: Optional  

 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 differential pressure (bar): 0.5  

 (r.230516)

 ##### Settori

Chimico

Farmaceutico

 ##### Applicazioni

Termostatazione

Sintesi chimica

Reazione

Refrigerazione

## Codici prodotto

| Codice Steroglass | Codice fornitore | Description | Temperature range |
|---|---|---|---|
| 9421912.T |  | Presto W91t | -91 ... +250 |