When you meet calibration error-like you would like to calibrate pH 6.86 but get 4.01 value, please

Long press the "HOLD/TEMP" & "MODE/CAL" Button for 3-5 seconds to restore factory Settings, and then use the powder pack for calibration the Digital pH meter

It took a long time to calibrate or after calibrating, the reading was tested but the reading came out "0" value?

Please check whether the glass probe was broken. If not that means you met calibration error. For this issue, please long press the "HOLD/TEMP" & "MODE/CAL" Button for 3-5 seconds to restore factory Settings, and then use the powder pack to calibrate

For better using experience of the pH meter for water

We recommend to soak the pH meter in clear water for 5 minutes before starting calibration after receive the product or long time no use. Because it may cause inaccurate readings if you immediate use for the first time or long time no use.

Accuracy of this digital pool water tester

±0.01 pH Resolution, pH Range: 0.00 to 14.00 pH; 1ppm, ±0.1ppt Resolution, TDS Value: -9990ppm; ±32.9˚F/0.5˚C Resolution,TEMP: 32 to 140˚F (0 to 60˚C); Auto Power-Off: 5 minutes without operation.

Why isn't the pH meter calibrating correctly after following the temperature and solution instructions?

Please check if the product has gotten water inside. If it has, please disassemble the product, shake out the water, and then let it air dry naturally.

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pH Meter, 3-in-1 TDS Meter Digital Water Tester with 0.01 High Precision

pH Meter, 3-in-1 TDS Meter Digital Water Tester with 0.01 High Precision

Product ID: 267856059

Details

Battery Description
Alkaline
Brand
PmoYoKo
Color
Grey
Item Weight
0.17 Kilograms
Product Dimensions
1.5"W x 7.2"H

💧3-in-1 pH/TDS/Temp

⚖️0.01 pH precision

🌡️Temp range 0-60°C

14824 Ft

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Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Master your water quality game with precision and style!

POCKET SIZED POWERHOUSE - Compact, lightweight design fits your lifestyle—test pools, aquariums, wine, and more on the go.
TRIPLE THREAT WATER TESTING - Simultaneous pH, TDS, and temperature readings—ditch the clutter, keep the accuracy.
GLOW UP YOUR TESTING ROUTINE - Auto-activated backlight ensures effortless readings anytime, even in low light.
SMART TEMPERATURE COMPENSATION - Accurate pH readings from 32°F to 140°F without manual adjustments—precision meets convenience.
LAB GRADE PRECISION AT YOUR FINGERTIPS - Ultra-sensitive 0.01 pH resolution for flawless water quality insights.

The PmoYoKo 3-in-1 Digital pH Meter offers lab-grade accuracy with 0.01 resolution, measuring pH, TDS, and temperature simultaneously. Designed for professionals and enthusiasts alike, it features auto backlight for easy reading in any environment and smart temperature compensation for reliable results across 0-60°C. Compact and portable, it’s perfect for testing drinking water, aquariums, pools, gardens, and beverages, streamlining your water quality monitoring with one sleek device.

Specifications

ASIN	B08RD488NP
Battery Description	Alkaline
Best Sellers Rank	#20,653 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #20 in Lab pH Meters
Brand	PmoYoKo
Brand Name	PmoYoKo
Color	Grey
Customer Reviews	4.0 out of 5 stars 2,252 Reviews
Global Trade Identification Number	00721678690132
Included Components	1*pH Meter Digtal, 3 pH buffer powder
Item Dimensions W x H	1.5"W x 7.2"H
Item Highlight	0-14 pH Test Range, LCD Display, ATC, Pocket Size TDS/Temp/pH Tester for Wine, Aquarium, Pool, Indoor Plants and Drinking
Item Weight	0.17 kg
Manufacturer	PmoYoKo
Model	EZ-9901
Mounting Type	Tabletop
Number of Items	1
Part Number	PH-9901
Product Dimensions	1.5"W x 7.2"H
Temperature Accuracy	0.5
Temperature Reading Accuracy	plus_minus_0_point_5_degrees_celsius
UPC	692041265243 692041265113 721678690132 692041265106
Unit Count	1 Count
Upper Temperature Range	140 °F
Voltage	1.5 volts

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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.

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TrustScore 4.5 | 7,300+ reviews

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14824 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered 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 Hungary.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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