Used Huber Unistat 390W Circulator Chiller

Huber 390W Technical Specifications:

Operating temperature range -90...150 °C
Temperature stability at -10°C 0,02 K
Temperature adjustment digital
Temperature indication digital
Resolution of display 0,1 K
Internal temperature sensor Pt100
Sensor external connection Pt100
Control input 14-24V
Dry contact POKO 30V/0.1A
Safety classification FL
Heating power 6 kW
Cooling power with Thermooil
at 300°C 4,5 kW
at 200°C 2,6 kW
at 150°C 8 kW
at 100°C 7 kW
at 50°C 5,5 kW
at 20°C 5,2 kW
Cooling power with Ethanol
at 0°C 5,2 kW
at -20°C 5 kW
at -40°C 4,2 kW
at -60°C 3,1 kW
at -80°C 0,9 kW
Refrigeration machine water-cooled, CFC-free
Refrigerant R507 R23
Circulation pump:
max. delivery 35 l/min
max. delivery pressure 1.5 bar
Delivery at 0,5 bar 30 l/min
Delivery at 1,0 bar 20 l/min
Pump connection M30x1,5
Pump connection for hose NW20
max. permissible kin. viscosity 50 mm²/s
Cooling water connection 1/2"
Cooling water connection for hose 3/8"
Cooling water consumption at water 15°C, flow 0°C 470 l/h
min. cooling water differential pressure 3 bar
max. cooling water pressure 6 bar
min. filling capacity 6,4 l
Filling capacity expansion tank 6 l
Overall dimensions WxDxH 600x700x1560 mm
Net weight 424 kg
Power supply (3 Phase) 400V 3~N 50Hz
max. current (3 Phase) 21,5 A
Fuse (3 phase) 3x25 A
min. ambient temperature 5 °C




Refrigerated Heating Circulator for open baths and closed system. Cooling with water-cooled HT-cooler. Closed circulation
pump made of stainless steel with cooled shaft seal and shaft without bearing in the liquid. Automatical switch-over and
capacity adaption for heating and HT-cooler. Expansion vessel with sight glass for closed systems, lockable for open
baths. Moistened parts and housing made of stainless steel. With adjustable overtemperature protection according to DIN
12876.


Plug & Play Technology. Removable control panel for remote control from the workspace. Microprocessor controlled,
interactive by NAMUR interfaces (RS232, RS485, 4-20mA). Safety classification FL, extended security with float in the
expansion tank (option), self test automatically when starting. LED- and LCD-display, operation dialog controlled or direct
input. Digital set point- and actual value indication. Programmer and sequence controller. Connection for external sensor.
Calibrateable, multifunctional alarm, energy management, failure protection.