Real professionals do not make compromises – least of all with temperature control. We developed the new LAUDA PRO thermostats for you.
Powerful bath thermostats for precise internal temperature control from -100 up to 250 °C. And particularly efficient circulation thermostats for dynamic heating and cooling of external applications from -45 up to 250 °C.
Professional laboratory technicians get what they really need with the new LAUDA PRO: no-compromise reliable temperature control in the research environment, application technology and production.
BASE control unit.
Flexible and user-friendly.
Control your LAUDA PRO just by pushing a button and maintain an overview on the brilliant OLED displays.
Your advantages at a glance

- Bright high contrast OLED display
- Convenient control using softkeys and cursor keys
- Clear menu navigation
- Programmer with 1 program and 20 segments
- Removable
- Control unit for the bath thermostats can rotate through 360°
- Temperature display in °C or °F
- Cable extension up to 50 meters
COMMAND control unit.
Convenient multi-touch screen.
Even more convenience is offered by the COMMAND control unit, with its large color multi-touch screen and versatile functions.
Your advantages at a glance 
- Large color touch screen (5.7")
- Multi-touch operation using freely configurable tiles – can also be operated wearing gloves
- Zoomable graphic view
- Programmer with 100 programs each having 50 segments
- Weekly timer and count-down function
- Ramp function
- Data logging, export to USB stick
- Individual user rights for up to 20 users
- Removable
- Control unit for the bath thermostats can rotate through 360°
- Temperature display in °C or °F
- Cable extension up to 50 meters
LAUDA PRO bath thermostats for internal temperature control.
Heating bath thermostats for rapid heating from 30 up to 250 °C and cooling bath thermostats for temperature control from -100 up to 200 °C. The bath thermostats, having volumes of 10, 20 and 30 liters, are entirely tailor-made for bath applications. This focus guarantees the highest level of temperature stability and homogeneity.
Your advantages at a glance
- Temperature control down to -100 °C *
- Reduced minimum fill level with full functionality
- Rapid heating thanks to high heater power of 3.5 kW 360° access to the bath
- Waste heat reduction as a result of hybrid cooling
- USB and Ethernet interfaces are standard and other interface modules are available
- Operating unit can be rotated through 360°
- Control possible from up to 50 meters away
LAUDA PRO circulation thermostats for external applications.
Heating circulation thermostats for rapid heating from 30 up to 250 °C and cooling circulation thermostats for temperature control from -45 up to 200 °C. The LAUDA PRO circulation thermostats are the right choice for your external applications. Very low filling volume combined with a powerful Varioflex pump facilitate dynamic temperature control with minimum energy consumption.
Your advantages at a glance
- Rapid temperature change
- Lower operating costs thanks to low energy and material consumption
- Control possible from up to 50 meters away
- Waste heat reduction as a result of hybrid cooling
- USB and Ethernet interfaces are standard and other interface modules are available
LAUDA PRO bath heating thermostats with BASE control unit
Working temperature range |
°C |
35...250 |
30...250 |
30...250 |
Temperature stability |
±K |
0.01 |
0.01 |
0.01 |
Heater power |
kW |
3.5 |
3.5 |
3.5 |
Bath volume |
L |
5.5...10 |
11...20 |
15.5...28.5 |
Bath opening/bath depth |
mm |
240x150/200 |
300x290/200 |
340x385/200 |
Dimensions (WxDxH) |
mm |
310x335x365 |
350x475x365 |
400x600x365 |
Cat.-No. 230V; 50Hz |
- |
L000001 |
L000002 |
L000003 |
Cat.-No. 115V; 60Hz |
- |
L000546 |
L000547 |
L000548 |
LAUDA PRO bath heating thermostats with COMMAND control unit
Working temperature range |
°C |
35...250 |
30...250 |
30...250 |
Temperature stability |
±K |
0.01 |
0.01 |
0.01 |
Heater power |
kW |
3.5 |
3.5 |
3.5 |
Bath volume |
L |
5.5...10 |
11...20 |
15.5...28.5 |
Bath opening/bath depth |
mm |
240x150/200 |
300x290/200 |
340x385/200 |
Dimensions (WxDxH) |
mm |
310x335x415 |
350x475x415 |
400x600x415 |
Cat.-No. 230V; 50Hz |
- |
L000004 |
L000005 |
L000006 |
Cat.-No. 115V; 60Hz |
- |
L000550 |
L000551 |
L000552 |
LAUDA PRO bath cooling thermostats with BASE control unit
Working temperature range |
°C |
-40...200 |
-45...200 |
-35...200 |
-90...200 |
-90...200 |
-100...200 |
Temperature stability |
±K |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
Heater power |
kW |
3.5 |
3.5 |
3.5 |
3.5 |
3.5 |
3.5 |
Cooling output at 20 °C |
kW |
0.8 |
1.5 |
0.8 |
0.8 |
0.8 |
0.4 |
Bath volume |
L |
12.5...21 |
12.5...21 |
17.5...29.5 |
6.5...11 |
12.5...21 |
6.5...11 |
Bath opening/bath depth |
mm |
300x290/200 |
300x290/200 |
340x375/200 |
240x150/200 |
300x290/200 |
240x150/200 |
Dimensions (WxDxH) |
mm |
400x565x680 |
400x565x680 |
440x600x680 |
440x600x730 |
500x600x730 |
500x600x730 |
Cat.-No. 230V; 50Hz |
- |
L000007 |
L000008 |
L000009 |
L000010 |
L000011 |
L000012 |
Cat.-No. 115V; 60Hz |
- |
L000450 |
- |
L000451 |
- |
- |
- |
Cat.-No. 208-220V; 60Hz |
- |
L000306 |
L000307 |
L000308 |
L000309 |
L000310 |
L000311 |
LAUDA PRO bath cooling thermostats with COMMAND control unit
Working temperature range |
°C |
-40...200 |
-45...200 |
-35...200 |
-90...200 |
-90...200 |
-100...200 |
Temperature stability |
±K |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
Heater power |
kW |
3.5 |
3.5 |
3.5 |
3.5 |
3.5 |
3.5 |
Cooling output at 20 °C |
kW |
0.8 |
1.5 |
0.8 |
0.8 |
0.8 |
0.4 |
Bath volume |
L |
12.5...21 |
12.5...21 |
17.5...29.5 |
6.5...11 |
12.5...21 |
6.5...11 |
Bath opening/bath depth |
mm |
300x290/200 |
300x290/200 |
340x375/200 |
240x150/200 |
300x290/200 |
240x150/200 |
Dimensions (WxDxH) |
mm |
400x565x730 |
400x565x730 |
440x600x730 |
440x600x780 |
500x600x780 |
500x600x780 |
Cat.-No. 230V; 50Hz |
- |
L000013 |
L000014 |
L000015 |
L000016 |
L000017 |
L000018 |
Cat.-No. 115V; 60Hz |
- |
L000454 |
- |
L000455 |
- |
- |
- |
Cat.-No. 208-220V; 60Hz |
- |
L000314 |
L000315 |
L000316 |
L000317 |
L000318 |
L000319 |
LAUDA PRO heating circulation thermostats with BASE control unit
Working temperature range |
°C |
35...250 |
Temperature stability |
±K |
0.05 |
Heater power |
kW |
2.5 |
Pump pressure/suction |
bar |
0.7/0.4 |
Pump flow pressure/suction |
L/min |
22/20 |
Pump connection thread |
mm |
M16x1 |
Filling volume |
L |
2.4...4.4 |
Overall dimensions (WxDxH) |
mm |
250x365x425 |
Cat.-No. 230V; 50Hz |
- |
L000019 |
Cat.-No. 115V; 60Hz |
- |
L000549 |
LAUDA PRO heating circulation thermostats with COMMAND control unit
Working temperature range |
°C |
35...250 |
Temperature stability |
±K |
0.05 |
Heater power |
kW |
2.5 |
Pump pressure/suction |
bar |
0.7/0.4 |
Pump flow pressure/suction |
L/min |
22/20 |
Pump connection thread |
mm |
M16x1 |
Filling volume |
L |
2.4...4.4 |
Overall dimensions (WxDxH) |
mm |
250x365x425 |
Cat.-No. 230V; 50Hz |
- |
L000020 |
Cat.-No. 115V; 60Hz |
- |
L000553 |
LAUDA PRO cooling circulation thermostats with BASE control unit
Working temperature range |
°C |
-40...200 |
-45...200 |
Temperature stability |
±K |
0.05 |
0.05 |
Heater power |
kW |
2.5 |
2.5 |
Cooling capacity |
kW |
0.6 |
0.6 |
Pump pressure/suction |
bar |
0.7/0.4 |
0.7/0.4 |
Pump flow pressure/suction |
L/min |
22/20 |
22/20 |
Pump connection thread |
mm |
M16x1 |
M16x1 |
Filling volume |
L |
2.4...4.4 |
2.4...4.4 |
Overall dimensions (WxDxH) |
mm |
300x430x675 |
300x430x675 |
Cat.-No. 230V; 50Hz |
- |
L000021 |
L000022 |
Cat.-No. 115V; 60Hz |
- |
L000452 |
L000453 |
Cat.-No. 208-220V; 60Hz |
- |
L000312 |
L000313 |
LAUDA PRO cooling circulation thermostats with CONTROL control unit
Working temperature range |
°C |
-40...200 |
-45...200 |
Temperature stability |
±K |
0.05 |
0.05 |
Heater power |
kW |
2.5 |
2.5 |
Cooling capacity |
kW |
0.6 |
0.6 |
Pump pressure/suction |
bar |
0.7/0.4 |
0.7/0.4 |
Pump flow pressure/suction |
L/min |
22/20 |
22/20 |
Pump connection thread |
mm |
M16x1 |
M16x1 |
Filling volume |
L |
2.4...4.4 |
2.4...4.4 |
Overall dimensions (WxDxH) |
mm |
300x430x675 |
300x430x675 |
Cat.-No. 230V; 50Hz |
- |
L000023 |
L000024 |
Cat.-No. 115V; 60Hz |
- |
L000456 |
L000457 |
Cat.-No. 208-220V; 60Hz |
- |
L000320 |
L000321 |
Policies
SHIPPING
Shipping is Extra and will be charged separately. Shipping Quotes will be given upon request.
REPORTING DAMAGED ITEMS AND SHORTAGES
All shortages, defects and deficiencies must be reported within 7 days of receiving the shipment. Merlan Scientific cannot assume responsibility for shortages reported after this period.
On receiving goods, check your packing slip and the package contents carefully. Please report any damaged items immediately and keep all shipping materials for inspection. If you have any questions please call 1-800-387-2474 or write us at info@merlan.ca.
RETURNING GOODS
Before returning any item to Merlan Scientific, please call for a Return Authorization Number. Shipments received without authorization may be refused.
WARRANTY POLICY
Merlan Scientific warrants that each product will be free of defects in materials and
workmanship for a period set forth in its published user manuals for its system products and for a
period of one (1) year for its component products. The warranty commences on the date the
product is shipped by Merlan Scientific. Merlan Scientifics’ sole liability and responsibility
under this warranty is to repair or replace any defective product, which is returned to it by the
buyer, and which Merlan Scientific determines qualifies for repair or replacement under the
terms of the applicable warranty. The product returned to Merlan Scientific for warranty service
will be shipped to Merlan Scientific at the buyers expense and will be returned to buyer at
Merlan Scientifics’ expense. In no event shall Merlan Scientific be responsible under its
warranty for any defect, which is caused by negligence, misuse or mistreatment of a product, or
for any unit, which has been altered or modified in any way. The warranty of repaired and
replacement products shall terminate with the original warranty of the product.
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