Integral IN 250 XTW

Operate your Integral process thermostat simply via a modern TFT display directly on the device or optionally via an intuitive operating unit with touch display and extended range of functions.

Order no.: L002674


Process thermostat with integrated cooling system for dynamic temperature control within external circuits
Management of heat transfer liquids with stored properties
Fully electronic continuous controller with PID action for internal & external control
Low-level and adjustable over-temperature protection with acoustic alarm for use with flammable and non-flammable liquids
Port for external Pt100 integrated, second external Pt100 feasible via interface module
Integrated and adjustable bypass
Integrated web server for browser based operation in local area networks via PC, tablet or smart phone, secure data transfer due to authentication procedure and encryption
Condenser cooling Water
Coloured TFT display for simultaneous indication of actual & set values and graphic illustration of the temperature profile
Easy input via cursor and soft keys. Additional Tmax key for overtemperature protection
Self adapt function for determination of control parameters
USB and Ethernet interface equipped as standard
Remote fault indication through floating contact
Programmer with 150 temperature/time segments that can be separated into 5 programs
Digital display of pump pressure
Utilises traditional refrigerants (HFCs) in accordance with European legislation to control F-gases (EU) 573/2024
Clear text menu navigation, six selectable languages DE, EN, FR, ES, IT, RU
SelfCheck Assistant for system diagnosis
PowerAdapt system for the use of the maximum possible amount of heat permitted by the power supply system
Powerful LAUDA Variopump (pressure pump) with 8 selectable output levels or control of outflow pressure
Option for upgrading up to 2 additional interfaces (RS 232/485, Profibus, analogue, contact or EtherCAT module)
Very small internal volume and big non-thermostated expansion vessel (cold fluid layer system)
SmartCool system for energy-saving digital cooling management including compressor on-off control

Working range

Min. working temperature

-45 °C

Max. working temperature

220 °C

Temperature stability

0.05 ± K

Technical data (according to DIN 12876)

Working temperature range
-45 ... 220 °C
Ambient temperature range
5 ... 40 °C
Temperature stability
0.05 ± K
Heater power max.
3.5 kW
Max. power consumption
3.7 kW
Current consumption
16 A
Max. discharge pressure
3,1 bar
Max. pump flow pressure
65 L/min
In / Outlet connection thread (outside)
M30 x 1,5
Inlet/outlet hose size
Min. filling volume
2.5 L
Max. filling volume
8.7 L
Water cooling connection thread (inside)
3/4 ″
Recommended cooling water temperature
15 °C
Cooling Water Temperature Max
30 °C
Cooling water flow rate
4.2 L/min
Pressure difference cooling water min.
0.8 bar
Maximal pressure cooling water
10 bar
Dimensions (WxDxH)
430 x 550 x 760 mm
Noise level
57 dB(A)
Power supply
230 V; 50 Hz
Power plug
Power cord with angled plug (CEE7/7)
TemperaturPumpenstufeTemperiermediumKälteleistung 50 Hz
200 °C8Thermoöl2,2 kW
100 °C8Thermoöl2,2 kW
20 °C8Ethanol2,1 kW
10 °C8Ethanol2 kW
0 °C8Ethanol1,8 kW
-10 °C8Ethanol1,4 kW
-20 °C4Ethanol1 kW
-30 °C4Ethanol0,55 kW
-40 °C4Ethanol0,2 kW
-45 °C2Ethanol0,05 kW


Downloads - general product data

Please select which documents you would like to see in which language:

Available documents
Available languages
Device Device category Document type Language Format File size

Chapter Circulation and process thermostats
Overall brochure

Process thermostats Brochure
PDF 4,76 MB Download document Download document

Integral XT New Generation

Process thermostats Brochure
PDF 2,22 MB Download document Download document

Integral XT New Generation

Process thermostats Operating instructions
PDF 7,28 MB Download document Download document

Flow controller MID 80

Operating instructions
PDF 2,16 MB Download document Download document

Operating unit Command Touch

Accessories Operating instructions
PDF 1,75 MB Download document Download document

LAUDA Command App

Process thermostats Software
EXE 57,88 MB Download document Download document


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