Huber circulation thermostat unistat 140
Circulation thermostat for open baths and closed systems. Air-cooled chiller. Closed circulation pump with cooled shaft seal (max. 50°C) and exposed shaft, without bearings in the liquid. Automatic switching and performance adjustment for heating and cooling machines. Expansion vessel with sight glass for closed systems, lockable for open bathrooms. Overtemperature protection and flow monitor, safety class FL, extended safety with float in the expansion tank (option). Microprocessor control with master controller for internal-external. Digital setpoint and actual value display and programmer. RS232, RS485 and analog (4-20mA) interface for bidirectional communication. Serial printer connection.
Technical data unistat 140
Temperature range -40...200 °C
Temperature stability at -10°C in a 20l bath 0.02K
Digital temperature setting
Digital temperature display
Display resolution 0.1 K
Internal temperature sensor Pt100
Connection® external sensor Pt100
Control input 14-24V
Potential-free contact 30V/0.1A
Safety class FL
Heating output 2 kW
Cold output with Thermodl
at 200°C 2 kW
at 100°C 2 kW
at 20°C 2 kW
Cold performance with ethanol
at 0°C 2 kW
at -20°C 1.8 kW
at -40°C 0.2 kW
Coolant R507
Circulation pump at ext. Pressure
at 0.4 bar 40 l/min
at 0.5 bar 35 l/min
at 1.0 bar 25 l/min
Pump connection/for hose 1/2"/NW15b
Deheater connection/ for hose/
max. permissible kin. Viscosity 50 mm?/s
Filling volume 3.31
Filling volume expansion area 3.61
Dimensions WxDxH 460x550x1336 mm
Weight, net 190 kg
Mains connection 400V 3~N 50Hz
Fuse three-phase current 3x16A
Condition: Used, very well preserved