Laboratory thermostat Universa U 420 P

benchtopdigitalelectronic

Product description
The Universa U 420 P bath circulation thermostat is supplied with a bath cover and pump connections as standard. A front drain valve located behind the ventilation grille simplifies safe replacement of the temperature control fluid.

Features

• Bath circulation thermostat with advanced electronics for precise temperature control
• Dedicated Tmax button for direct access to overtemperature protection settings during commissioning
• Energy-efficient refrigeration: capillary tube technology with speed-controlled inverter compressor and speed-controlled fan
• Includes programmer, calibration options and weekly scheduler for flexible process control
• Integrated WLAN for connection to PC, tablet and smartphone
• Modular design with interchangeable control head and heating/cooling base for future adaptation
• Vario pump with six adjustable performance levels; flexible flow distribution for internal and external circulation
• Use of natural, environmentally friendly refrigerants
• Integrated web server for secure remote control and monitoring (PKI and 2‑factor authentication); connection to LAUDA.LIVE for cloud-based data analysis and remote maintenance
• Comprehensive safety concept: float-level protection, adjustable overtemperature protection with acoustic alarm and automatic limit-value adjustment for tempering media
• 3.5-inch colour TFT display with progression graph, six-language menu and intuitive cursor/soft-key operation
• Front switch on the control head for pump output adjustment during operation
• Adaptive bath-edge ventilation (patent pending) to prevent icing and condensation and to protect electronics
• Flexible networking: integrated Ethernet and USB plus eleven optional interface modules; Wi‑Fi use limited to certified countries/regions

Working range

• Min. working temperature: -20 °C
• Max. working temperature: 200 °C
• Temperature stability: 0.02 ± K

Cooling capacity table
Temperature | Pump level | Tempering medium | Cooling capacity 50 Hz | Cooling capacity 60 Hz
20 °C | 6 | Ethanol | 0.2 kW | 0.2 kW
10 °C | 6 | Ethanol | 0.19 kW | 0.19 kW
0 °C | 6 | Ethanol | 0.18 kW | 0.18 kW
-10 °C | 6 | Ethanol | 0.14 kW | 0.14 kW
-20 °C | 3 | Ethanol | 0.07 kW | 0.07 kW


Technical specifications

• Working temperature range (DIN 12876): -20 … 200 °C
• Ambient temperature range: 5 … 40 °C
• Temperature stability: 0.02 ± K
• Max. power consumption: 2.9 kW; Current consumption: 12 A
• Bath opening (W×D): 130 x 100 mm; Bath volume min./max.: 1.8 / 4.0 L
• Max. discharge pressure: 0.6 bar; Max. pump flow: 22 L/min
• Inlet/outlet connection thread (outside): M16 x 1
• Dimensions (W×D×H): 210 x 410 x 616 mm; Weight: 26 kg
• Power supply: 220-240 V; 50/60 Hz; example power cord: angled plug (CEE7/7)