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Temperature and humidity at a glance.

  • +/-2% RH accuracy
  • Updates every 5 seconds
  • -58 to 158 F, 10-99% RH
  • Tiny 1.89 x 1.13 in body
  • 2 LR44 batteries included
Price: $5.99
    Points to Purchase:599

    Item #: MD1
    Availability: In Stock
    Usually ships In 1 Day

    A small, inexpensive gauge that shows temperature and humidity on one LCD screen. It updates every 5 seconds, reads humidity within plus or minus 2%, and is small enough to tuck inside a tub, tent or incubation chamber.

    • +/-2%RH accuracy
    • 5 secRefresh
    • 10-99%Humidity range
    • 0.6 ozWeight

    Why growers use it

    Dual display

    Temperature and humidity on one screen.

    Wide ranges

    -58°F to 158°F and 10-99% RH.

    Fits anywhere

    1.89 x 1.13 x 0.6 in and very light.

    How to use it

    1Place it

    Set it inside your tub, tent or chamber.

    2Let it settle

    Give it a few minutes to adjust.

    3Read it

    Check temperature and humidity on the display.

    4Adjust

    Mist, fan or heat based on the readings.

    Specifications

    SpecDetail
    Temperature range-58°F to 158°F
    Humidity range10-99% RH
    Accuracy+/-2% RH
    SamplingEvery 5 seconds
    Size1.89 x 1.13 x 0.6 in
    Power2 LR44 batteries, included

    Want more?For remote alerts, see the wireless smart hygrometer. To control humidity automatically, pair a digital humidity controller.

    Common questions

    How accurate is it?

    Humidity reads within plus or minus 2%.

    Are batteries included?

    Yes, two LR44 batteries.

    Overall Customer Rating of 9 Reviews:
    review-star review-star review-star review-star review-star

    Good value

    Rating:
    review-star review-star review-star review-star review-star
    Pros:
    Cons:
    Small, works well.

    Little but effective

    Rating:
    review-star review-star review-star review-star review-star
    Pros:
    Cons:
    Great things come On small packages... Say Less x)

    USA

    Pretty good

    Rating:
    review-star review-star review-star review-star review-star
    Pros:
    Cons:
    Simple but effective and tiny

    Perfect for smalk griwers

    Rating:
    review-star review-star review-star review-star review-star
    Pros:
    • Perfect size
    Cons:
    This little temp humidity gauge is perfect small wont use space in my midwest grow kit can place anywhere

    Handy little thermo/hygro

    Rating:
    review-star review-star review-star review-star review-star
    Pros:
    • price
    • quality
    Cons:
    Got one of these last year and it works great. I glued a magnet on the back of it and then use one on the outside of the tub to hold it up. Takes a couple of watch batteries that last a long time, and its easy to read.

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