how accurate (%) is the humidity reading?

Humidity is accurate, i would say +-5% but after just maybe 2 weeks of hanging on wall dials on temp. become loose and ist very fiddly to reset To be honest do not buy...

How big is it? It looks beautiful, but I don't see the diameter written anywhere!

Diameter is just under 100mm (4inches) and depth/thickness is about 40mm (1.5inches) including the knurled adjustment knobs on the front.

CAN THE UNIT BE MOUNTED FOR OUTDOOR USE?

Hi Stewart, I'm not overly impressed with this product as I find the min and max needles stiff and awkward to reset. As to your question.... I have mine mounted under my car port as not confident of it being water proof. Doesn't appear to be that accurate either but that may be due to it's frost protected position underneath the car port. Product instructions didn't seem to suggest that it's rain proof and has open slots in outer casing.

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Brannan Max Min Thermometer and Hygrometer - Ideal Greenhouse Thermometer and Humidity Meter To Monitor Maximum and Minimum Temperatures and Humidity Easily Wall Mounted

Brannan Max Min Thermometer and Hygrometer - Ideal Greenhouse Thermometer and Humidity Meter To Monitor Maximum and Minimum Temperatures and Humidity Easily Wall Mounted

Product ID: 52625673

Details

Battery description
No batteries
Brand
Brannan
Colour
Bronze Effect
Item weight
0.22 Pounds
Product dimensions
10.9W x 4.8H

💧0-100% humidity range

🌡️Max/Min temp tracking

🛠️Wall-mounted, no batteries

QAR 99

Duties & taxes included

In stock

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Description

🌿 Stay ahead of the climate curve with Brannan’s Max-Min precision!

MAX MIN MEMORY - Easily reset and review daily high and low temperature extremes to stay ahead of weather shifts.
HUMIDITY MASTERY - Track full 0-100% RH range to maintain perfect greenhouse moisture levels.
EFFORTLESS INSTALLATION - Stylish wall-mounted design requires zero batteries—set and forget elegance.
PRECISION CLIMATE CONTROL - Accurately monitor temperature fluctuations within ±1°C for optimal plant care.
TRUSTED QUALITY SUPPORT - Backed by Brannan’s accuracy guarantee and expert customer service for peace of mind.

The Brannan Max Min Thermometer and Hygrometer is a stylish, battery-free wall-mounted device designed for precise monitoring of temperature and humidity in greenhouses, homes, or offices. It tracks maximum and minimum temperatures with ±1°C accuracy and measures humidity across the full 0-100% range, making it an essential tool for gardeners and professionals seeking reliable environmental data.

Specifications

ASIN	B000TAW5AY
Battery Description	No batteries required
Best Sellers Rank	9,934 in Garden ( See Top 100 in Garden ) 33 in Weather Thermometers
Brand	Brannan
Colour	Bronze Effect
Country Of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (1,365)
Global Trade Identification Number	05011405124135
Item Dimensions W x H	10.9W x 4.8H centimetres
Item Weight	0.22 Pounds
Manufacturer	Brannan
Manufacturer Part Number	12/413/3
Model Number	12/413/3
Mounting Type	Inside Mount,Wall Mount
Operating Humidity	0-100% RH
Temperature Accuracy	< 50 grados Celsius)
Temperature Reading Accuracy	plus_minus_1_degree_celsius
UPC	771948323925
Unit Count	1.0 count
Upper Temperature Rating	50 Degrees Celsius

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