Mechanical Humidistat
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Model NO.:MHR 1220
The electromechanical thermostat MHR 1220 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 is effectively prevented.
| Technical data: MHR 1220 | |
|---|---|
| Measuring range: | 35-95％ relative humidity |
| Measurement accuracy: | ±3.0％ relative humidity |
| Switching difference at 50％ RH | 4％ RH |
| Peak voltage: | 250V AC |
| Switching capacity, maximum load Resistive load: |
5A 250V(service life 50,000 cycles) |
| Inductive load cos = 0.8 : | 0.2A 250V AC |
| Inductive load L/R=3ms : | 1A-50V DC,0.5A-75V DC |
| Switching capacity, minimum load : | 100mA,20V DC/AC |
| Contact type: | Change-over contact |
 |
|
| Radio interference suppression level: | N(in compliance with VDE 0875) |
| Permissible ambient temperature: | 0-60℃ |
| Mean temperature coefficient: | -20％ relative humidity/k at 20℃ and 50％ relative humidity |
| Permissible air velocity: | 15m/sec |
| Half value period Where V= 2m/sec |
1.2min |
| Mounting position: | No constraints |
| Connection: | Terminals in casing, 3 x 2.5mm²，3極 3 X 2.5mm² |
| Casing: | Plastic UL94 V-0 |
| Mounting: | Clip for 35mm DIN rail(EN 50022) |
| Protection type: | IP20 (DIN40050) |
| Dimensions: | H × W × D 67×50×38mm |
| Weight: | 60g |
