Laboratory thermostat Variocool VC 5000 W

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Product overview
The Variocool VC 5000 W is a water-cooled process thermostat in tower design for precise temperature control from -20 to 80 °C. Models are available in air- or water-cooled versions (W = water-cooled) and are fitted with steerable fixed castors. Options include sound insulation or outdoor installation.

Key features

• Suitable for non-flammable heat transfer fluids (water, water/glycol, ethanol)
• Intuitive input via cursor and soft keys
• Powerful pressure pump with adjustable bypass for pressure limiting
• Upgradeable with interface modules: analogue, contact, RS-232/485, Profibus, Ethernet-USB
• Top filler opening and rear drain tap
• Condenser cooling: water
• Coloured TFT display for simultaneous actual & set values plus graphical temperature profile
• Fully electronic continuous PID controller
• USB interface as standard
• Integrated programmer with max. 150 segments, splittable into 5 programmes
• SmartCool system for energy-saving digital cooling management including compressor on/off control
• Electronic level indication and low-level alarm; remote fault indication via floating contact
• Uses conventional refrigerants (HFCs) in accordance with EU regulation (EU) 573/2024 on F-gases
• Clear-text menu navigation, six selectable languages: DE, EN, FR, ES, IT, RU

Working range
Min. working temperature: -20 °C
Max. working temperature: 80 °C
Temperature stability: 0.05 ± K

Cooling capacity (50 Hz)
20 °C | Ethanol | 4.65 kW
10 °C | Ethanol | 3.55 kW
0 °C | Ethanol | 2.4 kW
-10 °C | Ethanol | 1.35 kW
-20 °C | Ethanol | 0.55 kW

Technical specifications

• Working temperature range: -20 ... 80 °C
• Ambient temperature range: 5 ... 40 °C
• Temperature stability: 0.05 ± K
• Heater power max.: 4.5 kW
• Max. power consumption: 7.8 kW
• Current consumption: 12 A
• Max. discharge pressure: 5.0 bar
• Max. pump flow (flow rate): 60 L/min
• In/Outlet connection thread (outside): G 3/4"
• Pressure adjustment: bypass
• Min. filling volume: 20 L
• Max. filling volume: 33 L
• Water cooling connection thread (outside): 3/4 "
• Recommended cooling water temperature: 15 °C
• Cooling water flow rate: 10 L/min
• Pressure difference cooling water min.: 3 bar
• Maximum pressure cooling water: 10 bar
• Dimensions (WxDxH): 550 x 650 x 970 mm
• Weight: 97 kg
• Power supply (example variant shown): 400 V; 3/N/PE; 50 Hz
• Power plug (example variant shown): Power cord with plug (IEC 60309, 5-pol, CEE, red, 16 A)