Zeal P2505 Wet and Dry Bulb Hygrometer Masons Non Toxic Red Spirit Thermometer

The Greenhouse Store
(38384)
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GBP 21.00
ApproximatelyUS $28.32
Condition:
New
More information - About this item condition
More than 10 available30 sold
Breathe easy. Returns accepted.
This one's trending. 30 have already sold.
Shipping:
Does not ship to United States.
Located in: Elloughton, United Kingdom
Delivery:
Varies
Returns:
Seller does not accept returns.
Payments:
     Diners Club
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eBay item number:295181387838
Last updated on Aug 28, 2025 04:44:58 PDTView all revisionsView all revisions

Item specifics

Condition
New
Custom Bundle
No
MPN
Does Not Apply
Modified Item
No
Country/Region of Manufacture
United Kingdom
Non-Domestic Product
No
Brand
Zeal UK
Type
Hygrometer
EAN
5060323590300
Category

Item description from the seller

Seller business information

VAT number: GB 423895277
About this seller

The Greenhouse Store

99.9% positive feedback•106K items sold

Joined Jan 2003
Usually responds within 24 hours
We only sell high quality greenhouse spares and accessories we have tried and tested including: Autovents, Greenhouse Nuts & Bolts, Greenhouse Glazing Clips, Horticultural Glass, Greenhouse Glazing ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Popular categories from this store

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Greenhouse AutoventsGreenhouse Nuts & BoltsGreenhouse Glazing ClipsGreenhouse Window & Door PartsGreenhouse Glazing SealGreenhouse Base Brackets, LegsHorticultural Greenhouse GlassGreenhouse BracesInsulation / Shading Clips

Seller feedback (42,562)

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  • n***o (30)- Feedback left by buyer.
    Past year
    Verified purchase
    Seems to be working well. I don't have any experience with these, but the instructions are easy to follow (if printed in very small typeface!). I hope it's more accurate than the electronic hygrometers, which is why I chose it after reading about this.
  • 0***4 (839)- Feedback left by buyer.
    Past year
    Verified purchase
    very good product well packed and quick delivery many thanks
  • eBay automated feedback- Feedback left by buyer.
    Past 6 months
    Order delivered on time with no issues
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Product ratings and reviews

Learn more
4.8
10 product ratings
  • 8 users rated this 5 out of 5 stars
  • 2 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 9 reviews
  • by rainhorse68
    Nov 19, 2016

    Time-honoured tech!

    If you need to monitor room humidity the I guess you could say the Mason's Pattern Hygrometer is certainly proven technology. My need-to-know concerns re-homing loads of Kodachrome transparencies, negs and paper prints (c.1964 to 79). I borrowed an industrial hand-held psychrometer for a weekend to see how close the readings are. Well, in the 14 to 24 degrees C range they're are amazingly accurate. I'd assume they are similarly accurate over more extreme ranges gardeners might encounter in the greenhouse. Since laws of physics tend not to change much! This particular hygrometer is by Zeal. A UK company who appear to supply a huge range of technical instruments (met, laboratory, environmental etc etc) to the trade and public alike. It's large, with a lovely clear and easy to read scale. Can ...

    Verified purchase: YesCondition: NewSold by: elloughtongreenhouses

  • by rolin6308
    Dec 28, 2022

    A real hygrometer (not a digital one).

    It is a sad comment on today's obsession with digital technology that if you do an internet search for 'hygrometer' you're shown digital devices. If you want a real hygrometer you have to search for 'wet bulb hygrometer'. This is one such. It does what it says using simple non-electronic physics. You don't have to cross your fingers and hope it's telling the truth (as is the case with digital ones). You can see for yourself how and why it works. This hygrometer is what I wanted, it does what I want, and I'm satisfied with the purchase. Put it on a hook on a wall or, as I have done, screw the frame to a portable board so it can be moved around. Just be careful to keep it upright when moving it, as otherwise water will come out of the small wet-bulb reservoir.

    Verified purchase: YesCondition: NewSold by: elloughtongreenhouses

  • by davidmcf54
    Sep 20, 2021

    Good.

    Nice product. It is a shame that the wet side thermometer has been glued to the back (scale) sheet approx 0.4 degree C higher than the dry thermometer. (ie - gives a higher reading). Small, but makes a difference in the humidity calculation. Just have to do a small correction before using the tables.

    Verified purchase: YesCondition: NewSold by: elloughtongreenhouses

  • by sam_noja
    May 10, 2017

    great product

    Great Item have used them for years and keep going back for more. highly accurate easy to read.

    Verified purchase: YesCondition: NewSold by: elloughtongreenhouses

  • by grangerd51
    May 31, 2020

    Gives a reliable indication of humidity

    If you need a wet and dry bulb hygrometer this one is good value

    Verified purchase: YesCondition: NewSold by: elloughtongreenhouses

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