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.

Sper Scientific736740 Mason's Hygrometer

Sper Scientific736740 Mason's Hygrometer

Product ID: 223411347

Secure Transaction

Details

Colour
White
Brand
Sper
Item weight
3.8 Ounces
Battery description
No batteries
Mounting type
Tabletop

💧Precision humidity measurement with red liquid indicator

⚖️Lightweight at just 108g for easy tabletop use

🌡️Dual temperature scales (-10/50°C & 10/120°F)

Description

💧 Stay ahead of the climate curve with precision you can see!

DUAL SCALE MASTERY - Seamlessly switch between Celsius and Fahrenheit for versatile climate tracking.
SLEEK TABLETOP DESIGN - Compact and lightweight, perfect for your office desk or home workspace.
BATTERY FREE RELIABILITY - No batteries needed—always ready to deliver accurate data without interruptions.
PRECISION RED LIQUID INDICATOR - Instant, clear humidity readings with vibrant red liquid for quick decision-making.
TRUSTED SPER SCIENTIFIC QUALITY - Engineered for professionals who demand accuracy and durability.

The Sper Scientific 736740 Mason's Hygrometer offers dual temperature scales and a vivid red liquid humidity indicator in a lightweight, battery-free tabletop design, delivering reliable and precise environmental readings for professional and home use.

Specifications

Manufacturer	Sper Scientific
Part number	736740
Item Weight	108 g
Product Dimensions	7.3 x 3.2 x 30.4 cm; 107.73 g
Item model number	736740
Colour	White
Item Package Quantity	1
Plug profile	Tabletop
tech_spec_battery_description_toys	No batteries required

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

€ 51.85

Duties & taxes incl.

Francestore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews