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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Saip
  • Model Number: MRF 012
  • Usage: Industrial
  • Theory: Hygrometer
  • Accuracy: 4% RH
  • Temperature range: 0 to +60°C
  • Operating/Storage temperature: 0 to +60°C (+32 to +140°F)
  • Dimensions: 67*58*38cm
  • Weight: 60g
  • Service Life: Great than 100,000 Cycles
  • EMC: Acc.ToEN55014-1-2,EN61000-3-2,EN61000-3-3
  • Switch Temperature Difference:: 4%RH (± 3% tolerance)
  • Contact Type: Change-over Contact
  • Protection Type: IP20
  • Name: Mechanical Hygrostat, Humidity controller

Packaging & Delivery

Packaging Details Mechanical Hygrostat
standard export packing
Delivery Time 5-7days



Saipwell Mechanical Hygrostat, small thermostat MFR 012




Product Description


Saipwell Mechanical Hygrostat, small thermostat MFR 012


 MFR 012 

    ♦  Adjustable relative humidity 
    ♦  Change-over contact

    ♦  Easily accessible terminals

    ♦  High switching capacity 

    ♦  Clip fixing


Saipwell Mechanical Hygrostat, small thermostat MFR 012

The electromechanical hygrostat MRF 012 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

Saipwell Mechanical Hygrostat, small thermostat MFR 012

Switch difference 

4% RH (±3% tolerance)

Permissible air velocity 


Contact type 

change-over contact

Contact resistance 

< 10mΩ

Service life 

> 100,000 cycles

Min.Switching capacity 

20V AC/DC, 100mA

Max. Switching capacity 

250VAC, 5 (1) A

DC 20W


acc. to EN 55014-1-2, EN 61000-3-2, EN 61000-3-3


3-pole terminal,clamping torque 0.5Nm max.:rigid wire 2.5mm2 stranded wire (with wire end ferrule) 1.5mm2


clip for 35mm DIN rail,EN60715 or for exit filter EF 118 Series


plastic according to UL94 V-0, light grey


67 x 50 x 38mm


approx. 60g

Fitting position


Operating/Storage temperature

0 to +60°C (+32 to +140°F) / -20 to +80°C (-4 to +176°F )

Protection type




Setting range


35 to 95% RH



Detailed Images


Saipwell Mechanical Hygrostat, small thermostat MFR 012



Series of products

   Saipwell Mechanical Hygrostat, small thermostat MFR 012


NO.1 Cabinet Thermostat


NO.2 Mechanical Room Thermostat


NO.3 Industrial Cabinet Heater



Our Services


OEM/ODM is available


♦How to order our product ? 


1.Please tell us the model and quantity and other request you need. 


2.We make the PI for you.


3.After you confirm the PI, we arrange the order for you after receiving your payment.


4.After the goods finished, we send the goods out to you and tell you the tracking number.


5.We will track your goods until you receive the goods. 


♦High quality after-sale service : 


1.Two years warranty 


2.Track the order until you get the goods 


3.Choose the shipping company according to customer's requirements


4.We will replace the broken parts with new parts in your next order 


5.Solve the problem with you during using our products 


♦Shipment: UPS/TNT/FedEX/EMS/DHL etc.(1-3days for sample,3-7days for order )


♦Payment: L/C, T/T, Western Union, Paypal


Company Information


Shanghai Saipwell Electric Co., Ltd. is a manufacturer of PTC heaters, Thermostats and all kinds of waterproof boxes with well-equipped testing equipment and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in terminal substitution rail installation, button box, small terminal, relay, sensor, communication and other industries.


Saip always inherits the principle---- "high quality and sincere service" , bearing the aim to create products that brings happiness.


We would like to cooperate with all walks of life friends and  to establish friendly long-term business relationship.


Thanks for your view,welcome to visit our website: www.saipgroup.com 




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Supplier's Trade Assurance Limit: US $116,000
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