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White Humidity Sensor Head 5V/12V Relay Module Switch Humidity Switch Module

Humidity Sensor Relay Module
Item Code: TOP480923
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  • Type:
    5V 12V
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  • Description
  • Documents
  • Shipping Methods
  • Payment Methods


  • Humidity-sensitive sensor most sensitive to humidity, generally used for detection of humidity of the surrounding environment;
  • Module in the ambient humidity exceeds the set threshold value, the relay sucks and shuts, common Terminal and start connecting, and when relative humidity falls below the specified threshold value, the relay disconnect, common end and closed-end connected;
  • Common, normally open, normally closed three ports as a dual-control switch, relay coil is electrified, the public side and start conducting, when there was no electricity, the common end and closed-end pass;


Humidity, humidity sensor, humidity detection, relay outputs, direct control device power Module


  • The use of high quality HR202 humidity sensor;
  • The comparator output direct drive relays, 220V AC, or other device;
  • Distribution adjusting temperature detection threshold
  • Sensor interface can be mounted pin, plus humidity sensor with wire;
  • Circuit board dimensions are: 50x26mm, 19mm, with 4 3mm bolt holes for easy installationElectrical


  • Power supply voltage: 5V/12V DC
  • Current: more than 150mA
  • Maximum load: 250V 10A DC or 30V 10A, is less than the power you can use

Shipping List

  • Humidity Sensor Relay module with humidity resistance: 1pcs


(1) The Two main shipping methods

When you order from the smaring.com, you can choose your preferred shipping method on the Order Information page during the checkout process. The smaring.com offers the following TWO different international shipping methods:

Shipping Way

Shipping Company

Estimated Delivery Time

Tracking Information

Registered Post

China Post,HongKong Post, Singapore Post,etc.

7-39 days


Expedited Shipping

DHL, FeDex, UPS, EMS, etc.

6-13 days



(2) Free shipping on all orders over $50

If the total price of all orders in one time is over $50, and the total weight is less than 2kg, then, your order would be FREE shipped by Registered Post all over the world. 

(3) Tracking your order

All orders can be tracked in the site: http://www.17track.net. Open this site, and fill in the tracking number, like RS387577781CN (NOT order number), Then you can see the shipping information.

Any problem, please contact us by http://www.smaring.com/help/

Smaring.com can accept payment through PayPal and Directly via credit card, and other payments. 

Paying with PayPal

NOTE: Your order will be shipped to your PayPal address. Ensure you have chosen or entered the correct delivery address.

1) Login To Your Account or use Credit Card Express.

2) Enter your Card Details the order will be shipped to your PayPal address. and click Submit.

3) Your Payment will be processed and a receipt will be sent to your email inbox.

Paying with Credit card

1) Choose your shipping address OR create a new one.

2) Enter your Card Details and click Submit.

3) Your Payment will be processed and a receipt will be sent to your email inbox.

If you want to use other payment methods, please contact us. Thanks.

Any problem, please contact us by http://www.smaring.com/help/.

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