Integral IN 1850 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.: L002680


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
Very small internal volume and big non-thermostated expansion vessel (cold fluid layer system)
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
Powerful LAUDA Variopump (pressure pump) with 8 selectable output levels or control of outflow pressure
Remote fault indication through floating contact
Programmer with 150 temperature/time segments that can be separated into 5 programs
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
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
USB and Ethernet interface equipped as standard
Option for upgrading up to 2 additional interfaces (RS 232/485, Profibus, analogue, contact or EtherCAT module)
Digital display of pump pressure
SmartCool system for energy-saving digital cooling management including compressor on-off control

Working range

Min. working temperature

-50 °C

Max. working temperature

220 °C

Temperature stability

0.05 ± K

Technical data (according to DIN 12876)

Working temperature range
-50 ... 220 °C
Ambient temperature range
5 ... 40 °C
Temperature stability
0.05 ± K
Heater power max.
16 kW
Max. power consumption
18 kW
Current consumption
25 A
Max. discharge pressure
6,0 bar
Max. pump flow pressure
120 L/min
In / Outlet connection thread (outside)
M38 x 1,5
Inlet/outlet hose size
Min. filling volume
8 L
Max. filling volume
28.6 L
Water cooling connection thread (inside)
3/4 ″
Recommended cooling water temperature
15 °C
Cooling Water Temperature Max
30 °C
Cooling water flow rate
26 L/min
Pressure difference cooling water min.
0.8 bar
Maximal pressure cooling water
10 bar
Dimensions (WxDxH)
760 x 650 x 1605 mm
288 kg
Noise level
62 dB(A)
Power supply
400 V; 3/PE; 50 Hz & 460 V; 3/PE; 60 Hz
Power plug
Power cord with plug (IEC 60309, 5-pol, CEE, red, 32 A)
TemperaturPumpenstufeTemperiermediumKälteleistung 50 HzKälteleistung 60 Hz
200 °C8Thermoöl20 kW20 kW
100 °C8Thermoöl20 kW20 kW
20 °C8Ethanol20 kW20 kW
10 °C8Ethanol15 kW15 kW
0 °C8Ethanol11,5 kW11,5 kW
-10 °C8Ethanol8,5 kW8,5 kW
-20 °C4Ethanol6,1 kW6,1 kW
-30 °C4Ethanol3,6 kW3,6 kW
-40 °C4Ethanol1,9 kW1,9 kW
-50 °C2Ethanol1,1 kW1,1 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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