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!

【改良版】土壌水分計 1台4役土壌pHテスター土壌水分/光/栄養素/pHメーターガーデニング芝生農業屋内外植物用電池不要

【改良版】土壌水分計 1台4役土壌pHテスター土壌水分/光/栄養素/pHメーターガーデニング芝生農業屋内外植物用電池不要

Q: 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

Q: 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.

Q: 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.

4.1/5

Product ID: 725763503

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💧4-in-1 soil moisture & nutrient sensor

🔄90° adjustable rotating head

🔋Battery-free, hassle-free use

Frequently Bought Together

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

Rapitest Soil Test Kit for Gardens, Vegetables, Flowers and Lawns. USA designed and assembled soil tester completely, quickly and accurately measures/analyzes soil pH acidity and garden nutrients.

SONKIR Soil pH Meter, MS02 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care, Great for Garden, Lawn, Farm, Indoor & Outdoor Use (Green)

Description

🌿 Cultivate confidence with every soil test—because your plants deserve the best!

ALL IN ONE PRECISION - Measure moisture, light, nutrients, and pH with one sleek device—ultimate plant care in your hands.
ROOT FRIENDLY SINGLE PROBE - Durable, upgraded probe designed to protect roots while delivering accurate readings in complex soils.
ERGONOMIC 90 ROTATING HEAD - Read results comfortably from any angle without awkward bending or guesswork.
VERSATILE INDOOR OUTDOOR USE - Ideal for potted plants, lawns, greenhouses, and farms—join the community of savvy plant pros.
INSTANT RESULTS ZERO BATTERIES - Get reliable data in seconds—no charging or battery replacements needed, perfect for on-the-go gardening.

The Moistenland P403W is a professional-grade 4-in-1 soil tester that measures moisture, light, nutrients, and pH levels. Featuring a patented 90° rotating head for ergonomic readings and a durable single probe that protects roots, it delivers fast, accurate results without batteries. Lightweight and portable, it’s perfect for indoor and outdoor gardening, lawn care, and agriculture.

Specifications

Manufacturer	Moistenland
Item model number	P403W
Product Dimensions	26.42 x 6.6 x 3.3 cm; 118 g
ASIN	B0B7DQDRZC

Have a Question? See What Others Asked

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

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?

Where is this made?

How long is the probe on this meter?

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