Mechanical hygrostat HG80

ambient

On-off controller The humidistat type HG80 is used as an on-off controller to control the relative air humidity. It is used to control air humidifying and dehumidifying in offices and computer rooms. Other areas of use are storage of foodstuffs and luxury foods, cooling rooms for fruit and vegetables, greenhouses for gardening use, the textile industry, the paper and printing industry, the film industry and hospitals. Remarkably straightforward and durable design Our Humidistats feature a simple and robust design. The Polyga® measuring element is a unique hygroscopic fibre that changes its length depending on the humidity. The changes in length of the POLYGA® fibres are transferred via a lever system to a microswitch, resulting in an on/off controller that needs no auxiliary power supply. Waterresistent and maintenance-free It has unparalleled long-term stability and is 100 % waterproof, which makes it ideal for use in high humidity. In pure ambient air the measurement element is maintenance-free. Internal scale and adjusting knob The HG80-i version was designed so that the control knob and scale are inside the housing. This makes unauthorized adjustments more difficult. More HG80-2 Two-point controller with two changeover contacts HG80vs – With a set value adjustment lock available Features Operating temp. up to 60 °C Accuracy: ±3,5 % RH Robust Long-term stability Washable Polyga® measuring element High accuracy in the high humidity range No external power supply required