Does it measure manganese in water ?

This gives an overall measurement of all minerals. It provides a single number of parts per millions. It cannot provide a break out of the different minerals. Your local water utility/supplier can often give you the analysis of your local water. That is, they can tell you the amount of manganese in your local water. Hope this helps.

Does it measure the water hardness?

Yes. The purpose of a TDS (Total Dissolved Solids) is to measure water hardness. The basic answer is the higher the number the harder the water. The lower the number the softer the water. The general rule of thumb is // 0 - 99 is ideal // 100 - 199 is good // 200 - 299 is average // 300 - 399 is marginal // 400+ is hazardous //. Like I said this is just general rule of thumb. The pen is actually pretty accurate for the price and has been effective for my shrimp tank.

batteries constantly drains and die even with product off! any one else with this issue or any ideas to fix?

I have not had a problem with the battery draining...it has the same batter from when I bought it...

What is the range (ppm) of this meter?

The Measurement Range: 0-9990 ppm

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TDS Meter Digital Water Quality Tester - PPM Meter with Temperature Test, 0-9990 ppm Range, Accurate TDS Tester for Drinking Water, RO System, Aquarium, Pool, Hydroponics

Product ID: 122758656

⚡±2% accuracy in 5 seconds

🔋3-year battery life with auto-shutoff

🌡️2-in-1 TDS + temperature readout

€ 15.55

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Sold byAmazon BelgiumDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay ahead of water quality—because your health deserves precision and speed!

INSTANT PRECISION - Get ultra-fast, ±2% accurate water quality readings in just 5 seconds—no more guessing, only confidence.
LONG LASTING POWER - Equipped with 3-year battery life and smart auto-shutoff to keep you testing without interruptions.
DUAL FUNCTION MASTERY - Measure both TDS levels and temperature with a single tap—streamline your water testing routine effortlessly.
PREMIUM DURABILITY SUPPORT - Includes titanium alloy probe, protective leather case, and a 3-year warranty—invest in reliability and peace of mind.
UNIVERSAL WATER COMPATIBILITY - Perfect for drinking water, RO systems, pools, aquariums, and hydroponics—know your water’s health anywhere.

The KOMITASUI TDS Meter is a professional-grade digital water quality tester offering rapid, ±2% accurate readings within 5 seconds. It uniquely combines TDS and temperature measurement in one device, covering a broad 0-9990 ppm range and 0-50°C temperature span. Designed for diverse water sources including drinking water, RO systems, pools, aquariums, and hydroponics, it features a durable titanium probe, long-lasting 3-year battery life with auto-shutoff, and comes with a premium leather case plus a 3-year warranty for dependable, on-the-go water safety assurance.

Specifications

ASIN	B07QDRWSWS
Batteries	2 LR44 batteries required. (included)
Best Sellers Rank	#221,155 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #194 in Lab pH Meters
Date First Available	April 9, 2019
Item Weight	2.12 ounces
Item model number	TDS-3
Manufacturer	KOMITASUI
Product Dimensions	6.1 x 1.2 x 0.9 inches

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€ 15.55

Duties & taxes included

In stock

Sold byAmazon BelgiumDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Belgium.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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