Proline
Heating and
Cooling
Thermostats

  • Overview
  • Features
  • Models
  • Specs
  • Accessories

Heating bridge and clear view thermostats with temperature control from 30 to 230°C for professional use in research, application technology and production.

For more than ten successful years now, the LAUDA Proline name has stood for uncompromisingly reliable thermostating, intuitive operation and high flexibility in the research, application technology and production areas.

LAUDA Proline thermostats are our solution for high performance and reliable temperature regulation. With their broad temperature range they fulfill high requirements. LAUDA Proline thermostats are available in two versions: in the basic version with the Master control head, and as a Command version with a removable control unit for enhanced ease of operation.

Master version devices can be retrofitted with the Command remote control, which are simply connected to the control head. The thermostat automatically recognises and controls all newly installed modules.

Application examples

  • Temperature control for chemical synthesis
  • Tests on electronic components at different temperatures
  • Temperature control of measuring structures in process technology
  • Heating and cooling of glass reactors

Download a PDF of our Proline brochure:

LAUDA Proline Brochure (1.8 MB)

Working Temp Min.

Working temperature min.

-90 °C

Working Temp Max.

Working temperature max.

300 °C

Temp Stability

Temperature stability

0.01 ±K

The Proline Advantages

Removable remote control unit for easy and intuitive operation

Extendable telescopic rods for mounting on 310 up to 550 mm wide baths

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Master or Command version – the right solution for every application

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Simple retrofitting from Master to Command version – subsequent extension or adaptation to changing application requirements

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Graphical user guidance – easy and intuitive operation

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Adaptive control on cooling thermostats – saves time-consuming calculation of control parameters

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Patented SmartCool system – up to 75 percent energy saving with digital cooling management

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PowerAdapt system for adjustment of the power consumption – use of the maximum available output from the power supply system

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Two insert ports can be combined with five different interface modules – high level of flexibility for the user allowing for broad range of system integration

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Easy distribution of the pump flow by means of bypass valve – simultaneous connection of two external applications

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Pump connections on the side and rear – flexible connection of external applications from different sides

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High-performance pressure-suction-pump (Varioflex pump) with eight pump levels – suitable for internal and external applications; adaptation of the pump power to the respective application and bath size

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Up to 3.5 kW (230 V) heating power – even on all cooling thermostats via SmartCool system – rapid heating achieved

Proline Control Heads

Proline Master control head

The Proline Master devices are designed with high thermostating accuracy and reliability for all applications from -90 up to 300 °C where operating parameters are not changed or modified frequently. They have all the basic features and safety functions required for professional thermostating during continuous use. A modular structure and bus technology have created an instrument capable of extending its function and performance as the application requires.

  • Easy-to-read green LED display
  • Convenient setting of set-temperature and Varioflex pump via three operation buttons
  • Indicator lights for heating, cooling, external control and alarm
  • Resolution of indication 0.01 ­C, setting resolution selectable 0.1 or 0.01 °C
  • Selectable operating temperature range and additional button for overtemperature protection
  • External temperature control via Pt 100
  • Optical and audible alarm function
  • Simple temperature probe calibration
  • Integrated mains network safety device
  • Start mode control (automatic or manual)
  • Two slots for LiBus modules
  • LAUDA Wintherm Plus control software via RS 232/485 interface (optional)

Proline Command control head

The Command control heads are the top models of the LAUDA Proline. The highly-efficient programmer fulfills all the requirements of complex thermostating processes D with real-time function. It offers the utmost in user-friendliness and optimum functionality, e.g. for an industrial testing lab. The simple menu-driven operation and the easy editing of test programs allow for quickly changing thermostating tasks. The Command console is removable and can easily be used as a remote control (with cable). Comprehensive basic equipment as with the Proline Master range.

Proline Clear-view thermostats

LAUDA Proline clear-view thermostats for the direct observation of the samples: the PVL models come equipped with five layers of insulating glass and are suitable for low temperatures down to -60 °C. This makes them ideal for the use with the fully-automatic LAUDA PVS viscosity measuring system. The two-chamber principle in the measuring area ensures a constant level, irrespective of the loading and the temperature. The connection of a through-flow cooler or Proline RP 890 enables low temperature measurements down to -40 °C/-60 °C.

Proline Bridge thermostats

LAUDA Proline bridge thermostats are available in two versions with different pump models and immersion depths. The PB models have a pressure/suction pump and require a bath depth of 200 mm, while the PBD models have a more powerful pressure pump (D) and thermostat baths with a depth from 320 mm. In addition, both series of models differ in the selected control head: Master or Command (C). Through variably extendable telescopic rods, all models can be attached without problem to baths with a width of 310 mm up to 550 mm.

Select up to 3 products to compare:
Compare Products
Proline Clear-view thermostats
Technical features PV 15 PV 15 C PVL 15 PVL 15 C PV 24 PV 24 C PVL 24 PVL 24 C PV 36 PV 36 C
Select to compare:
Working temperature min. °C 30 30 30 30 30 30 30 30 30 30
Working temperature max. °C 230 230 100 100 230 230 100 100 230 230
Temperature stability ±K 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01
Bath volume L 15.0 15.0 15.0 15.0 24.0 24.0 24.0 24.0 36.0 36.0
Bath depth mm 320 320 320 320 320 320 320 320 320 320
Heater power max. kW 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6
Pump pressure max. bar 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
Pump flow max. L/min 25 25 25 25 25 25 25 25 25 25
Cat. No. 115 V; 60 Hz L001574 L001575 L001576 L001578 L001577 L001579
Cat. No. 208-220 V; 60 Hz L001598 L001600 L001599 L001601
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Proline Bridge thermostats
Technical features PB PB C PBD PBD C
Select to compare:
Working temperature min. °C 30 30 30 30
Working temperature max. °C 300 300 300 300
Temperature stability ±K 0.01 0.01 0.01 0.01
Bath volume L 80.0 80.0 80.0 80.0
Heater power max. kW 3.6 3.6 3.6 3.6
Pump pressure max. bar 0.7 0.7 1.1 1.1
Pump suction max. bar 0.4 0.4
Pump flow max. L/min 25 25 32 32
Cat. No. 115 V; 60 Hz L001580 L001581 L001582 L001583
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All LAUDA Proline Edition X models include Wintherm Plus software. Efficient and convenient: Thanks to control of thermostats via PC

Shut down valve/Reverse flow protection Reverse flow protection when thermostating external systems, to avoid over-flow when pump stops, for retrofitting with LiBus. Temperature range -40…140 °C

Cat. No. Designation
LCZ 9673 Shut down valve reverse flow protection with LiBus
Suitable for All Proline devices

Solenoid valve
Water-conscious cooling on heating thermostats for cooling water control. Controlled cooling operation for exothermal reactions or controlled cooling with programmer. Up to 155 °C bath temperature.

Cat. No. Description Temperature range
LCZ 9662 Solenoid valve with LiBus-connector -10…155 °C
Suitable for All heating and clear-view thermostats

Baskets
For notch bending test

Cat. No. Suitable for
LCZ 0658 RP 870, RP 870 C, RP 890, RP 890 C
LCZ 0694 RP 1290, RP 1290 C

Constant level device
Necessary for the constant liquid level when thermostating open external baths. Connection set: for wall thickness of bath vessel between 0 to 30 mm, with opening for thermometers 4 mm or 1.9 mm Ø and clamping gland HX 077 and HX 078.

Cat. No. Description Suitable for
LCZ 0660 Level controller, mechanical P 8 (C), RP 845 (C) RP 855 (C)
LCZ 0679 Connection set for external inlet and outlet LCZ 0660

Automatic filling device
For automatic replacement of liquid losses in thermostat bath, for example by evaporation. Also from vessels with max. 1 m suction height

Cat. No. Description
LCZ 9661 Automatic filling device with LiBus

Controlled high-temperature chiller HTC with LiBus
For controlled cooling of thermostats in the operating temperature range up to 300 °C without formation of vapors, to be connected to external water cooling source.

Cat. No. Description
LCZ 9663 Controlled high-temperature chiller HTC