Product query
Wall mounting miniature humidistat
This humidistat is designed for indoor application to switch on a heater or a ventilating fan It can also be used to switch on humidifiers, dehumidifiers, or other devices.
Weight | 0.5 kg |
---|---|
Dimensions | 67 × 31 × 50 mm |
Maximum setting (%RH) | |
Minimum setting (%RH) | |
Measuring accuracy (%RH) | |
Differential at 50% RH | |
Electrical rating | |
Voltage | |
Min operating temperature (°C) | |
Max operating temperature (°C) | |
Min storage temperature (°C) | |
Max storage temperature (°C) | |
Ingress protection |
Main Application: This humidistat is designed for indoor application to switch on a heater or a ventilating fan It can also be used to switch on humidifiers, dehumidifiers, or other devices. It must be vertically wall mounted in a ventilated area.
Humidity sensing element: hygroscopic polymer film with special treatment, produced by Ultimheat, ensuring a fast response, long life and high stability.
Setting range: 35 to 95% RH
Measuring accuracy: ±5% RH
Differential at 50% RH: 8% RH (±3% RH )
Measuring medium: air, pressure-less, non-aggressive
Electrical contact: silver contacts, SPDT, 5A 250V
Connection: 3 screw terminals for 1.5mm² wires, max torque 0.5Nm
Mounting: wall mounting, with 2 screws dia 4 mm max, distance 31 x51 mm
Operating temperature: 0 to+60°C (+32 to +140F)
Storage temperature: -20 to +70°C (-4 to +158F)
Mounting position: vertical
Voltage supply: the humidistat should be mounted such that there is no buildup of condensate on or in the device. If the voltage supply is higher than 48V there is a risk of voltage arcing in the event of water condensation on the micro-switch or connecting terminals which might destroy the control.
Ingress protection class: IP30
Dimension: 67x50x29mm
Maintenance: The humidity sensing ribbon is maintenance-free in clean air. Air containing solvent can cause measuring errors and failure, depending on the type and concentration. Deposits such as resin aerosols, lacquer aerosols, smokes, which eventually form a water-repellent film are harmful for the measuring element.
downloadables
Technical specifications sheet
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Technical informations associated to this product
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Electrical contacts
As numerous mechanisms exist, we decided not to distinguish on the basis of constructive technique, but according to their operation speed, which is the key element. -
Conversion table relative humidity / absolute humidity
Diagramme psychrométrique ou diagramme de Mollier Mode d‘emploi: Pour connaître le taux d’humidité absolue à partir du taux d’humidité relative pour une température ambiante donnée, se placer à l’intersection entre la courbe d’humidité relative (chiffres rouges) et la température ambiante (chiffres blancs, axes verticaux). Le poids d’eau par M3 d’air est donné par les axes horizontaux [...] -
Humidistats technical features
Introduction to nylon ribbon humidistats technology (Others names: Humidostats, hygrostats, humidity switches) -
Humidistats historical foreword
Relative humidity control is relatively new, and the first mechanical devices that were used for this purpose dating from the early 20th century, and were related to the development of central heating and air conditioning, and the concept of environmental comfort.