How does this device accurately measure nutrients in soil? Meaning what is the actual science behind its function?

No idea but it seems to work my plants look great as long as I keep the ph ,nutes, where they need to be

The needle never moves when testing ph. I tried different soil types and the needle remained all the way to the left. Why isn't it reading?

how do you know that you have several different types of soil? so to find out add a handful of ph stuff, one way or another...acid or basic..like camilla fertilizer to a small area and water and wait a week and retest..if it doesn't good acid them the meter is faulty...or...take it to a nursery and test it on different plants there. The seconds reason is that because the current soil conditions are ideal,the soil is slighty acidic to neutral. So the scale plate needle does not swing and stays on the 5-7 position after inserting soil. Please note insert the meter probe into the soil 2-4 inches, or the pH value testing may fail.

Not sure,it doesn't say on it.There is a symbol on the back saying UKCA.Other than that it's made by moistanland and their website has a contact email that might help you! Meter works great no matter where it's from.I'm happy with it!

How long is the probe on this meter?

The probe is about 4 inches long but you only have to insert in the soil 2 inches for readings.

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[Upgraded] Soil Moisture Meter, 4-in-1 Soil pH Tester, Soil Moisture/Light/Nutrients/pH Meter for Gardening, Lawn, Farming, Indoor & Outdoor Plants Use, No Batteries Required

[Upgraded] Soil Moisture Meter, 4-in-1 Soil pH Tester, Soil Moisture/Light/Nutrients/pH Meter for Gardening, Lawn, Farming, Indoor & Outdoor Plants Use, No Batteries Required

Product ID: 476730778

Details

Brand
Moistenland
Item dimensions L x W x H
26.4 x 6.6 x
Item weight
118 Grams
Sensing distance
2.5 Inches
Specific uses for product
gardening lawn

💧4-in-1 moisture & soil sensor

🔄90° rotatable head for ergonomic reading

🔋No batteries needed, always ready

€ 56.32

Duties & taxes included

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Description

🌿 Unlock your garden’s hidden potential with precision and ease!

ROOT FRIENDLY SINGLE PROBE - Durable, upgraded probe minimizes root damage while delivering precise readings in complex soil conditions.
ALL IN ONE SOIL INTELLIGENCE - Measure moisture, light, nutrients, and pH in one sleek device to optimize plant health effortlessly.
ERGONOMIC 90 ROTATING HEAD - Read soil data comfortably without bending—designed for busy professionals who value efficiency and posture.
INSTANT BATTERY FREE OPERATION - No power source required—just insert and get results in seconds, perfect for on-the-go plant care.
VERSATILE FOR EVERY GREEN SPACE - Ideal for indoor plants, lawns, farms, and greenhouses—your all-season, all-location gardening companion.

The Moistenland Upgraded Soil Moisture Meter is a professional 4-in-1 soil tester that measures moisture, light, nutrients, and pH levels with a durable single probe and a patented 90° rotating head for ergonomic readings. It requires no batteries, providing instant, accurate soil diagnostics for indoor and outdoor plants, lawns, and farms, empowering gardeners to optimize plant care and boost growth efficiently.

Specifications

ASIN	B0B7DQDRZC
Best Sellers Rank	92,850 in Garden ( See Top 100 in Garden ) 114 in Soil Meters
Brand	Moistenland
Country Of Origin	China
Customer Reviews	4.0 4.0 out of 5 stars (2,876)
Item Dimensions	26.4 x 6.6 x 3.3 centimetres
Item Weight	118 Grams
Manufacturer	Moistenland
Manufacturer Part Number	P403W
Model Number	P403W
Number of Items	1
Number of Packs	1
Sensing Distance	2.5 Inches
Specific Uses For Product	gardening, lawn, farming, indoor plants, outdoor plants, greenhouse
Unit Count	1.0 count

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