0 to +60°C (+32 to +140°F) / -40 to +60°C (-40 to +140°F)
Operating/Storage humidity
max. 95% RH (non-condensing)
Protection type
IP20
¹ at 50% RH
² When connecting with stranded wires, wire end ferrules must be used.
Art. No.
Setting Range
Operating Voltage
84HF
35 to 95% RH
20VAC/DC, 250VAC
• Adjustable relative humidity
• Change-over contact
• High switching capacity
• Easily accessible terminals
• Clip fixing
The electromechanical hygrostat is designed to control enclosure heaters so that the dew point is raised when a critical relative humidity of 65% is exceeded. In this way condensation and corrosion in enclosures with electric/electronic components is effectively prevented.