How often do you need to refill the bottle at different humidity levels?

Please note I added a 30mm fan to move air across the wick. With humidity the 45% range and the fan operating, I need to add water about every 4 days.

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Sper Scientific 736740 Mason's Hygrometer

Sper Scientific 736740 Mason's Hygrometer

Product ID: 16904815

Details

Battery Description
No batteries
Brand
Sper
Color
White
Item Weight
3.8 Ounces
Mounting Type
Tabletop

💧Wet & dry bulb tech for precise humidity

🔋No batteries needed - eco-friendly

🌡️Dual temp scales -10/50°C & 10/120°F

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A$44

Duties & taxes included

In stock

Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay ahead of the climate curve with vintage precision!

BATTERY FREE OPERATION - Eco-conscious design means zero maintenance and uninterrupted performance.
COMPACT DURABLE BUILD - Lightweight 3.8 oz with tough plastic housing fits seamlessly into any workspace.
VIBRANT RED LIQUID DISPLAY - Safe, easy-to-read red liquid enhances visibility and style on your desk.
CLASSIC WET DRY BULB DESIGN - Time-tested method ensures reliable humidity measurement without digital fuss.
PRECISION DUAL SCALE READINGS - Effortlessly switch between Celsius and Fahrenheit for versatile monitoring.

The 736740 Mason's Hygrometer by Sper Scientific combines classic wet and dry bulb technology with dual temperature scales (-10/50°C and 10/120°F) displayed via a vibrant red liquid. This battery-free, lightweight tabletop device offers reliable humidity readings with easy visibility, making it an essential tool for professionals who demand accuracy and style in environmental monitoring.

Specifications

ASIN	B00N5IRZS4
Battery Description	No batteries required
Best Sellers Rank	#248,318 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #106 in Weather Hygrometers
Brand	Sper Scientific
Brand Name	Sper Scientific
Color	White
Customer Reviews	4.0 out of 5 stars 37 Reviews
Included Components	Hygrometer
Item Weight	3.8 Ounces
Manufacturer	Sper Scientific
Model	736740
Mounting Type	Tabletop
Part Number	736740
Smart Home Compatibility	Not Smart Home Compatible
Temperature Accuracy	5.56
UPC	077754662617 696738569263
Unit Count	1 Count
Upper Temperature Range	120 Degrees Fahrenheit
Upper Temperature Rating	120 Degrees Fahrenheit

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