10 Best conductivity meters accessories in Canada

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Last Updated - 2025/05/12

Best Choice

01
bluelab

Bluelab PENCON Conductivity Pen and Digital TDS Meter, Water Tester for Temperature and Nutrient (CF, EC, PPM 500, PPM 700), TDS Testing Kit for Hydroponic System and Indoor Plant Grow
Main highlights

This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; Durable design for repeated uses and fully waterproof and it floats in any solution
Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for grower; 2-Year Limited Warranty with proof of purchase
Conductivity pen can test and monitor your nutrients (TDS) level to maximize your grow and ensure plants get the balanced feed they need; General uses include growing tent, swimming pool, drinking water, aquarium, fish tank, and brewing
Combine with our pH pens and meters for full garden nutrient monitoring in water and soil; Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery, probe care kit is sold separately
Calibration optional, the meter comes factory calibrated so it's ready to be used; Regular cleaning is recommended for accurate reading; Different units are available (EC, PPM 500, PPM700, and CF)
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9.9

Exceptional

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02
HM Digital

HM Digital Meters HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter
Main highlights

Three different nonlinear ECtoTDS conversion factors (KCl, 442TM, NaCl).
Package Dimensions: 2.1H" x 8.9L" x 2.9W"
Measures electrical conductivity (EC), total dissolved solids (TDS), and temperature
Four scales: µS, mS, ppm, ppt (mS and ppt are new)
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9.8

Exceptional

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03
Tbest

Conductivity Meters & Accessories,Analog TDS Sensor with 2 Probes for Quality Monitoring to Domestic Water and Hydroponics
Main highlights

【Brief introduction - TDS】TDS Indicates how many milligrams of dissolved solids are dissolved in 1 liter of water. Generally, the higher TDS value means that the more lysate is contained in the water and the less cleanness of water.
TDS Indicates how many milligrams of dissolved solids are dissolved in 1 liter of water. Generally, the higher TDS value means that the more lysate is contained in the water and the less cleanness of water.
Powered by 2 * AAA batteries (NOT included).
Also, it can be used for water quality testing in the field of domestic water and hydroponics.
1. This product is used to test the TDS value, using the TDS sensor. The TDS value reflects the cleanliness of the water and can be used for water quality testing in the field of domestic water and hydroponics.
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9.7

Exceptional

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Value for Money

04
HEALTH METRIC

TDS Meter Digital Water Tester - ppm Meter, EC & Temperature Test Pen 3-in-1 | Easy to Use Water Quality Tester | Ideal for Testing RO Drinking Water Hydroponics Aquarium Swimming Pool & More (Green)

21% Off Free Shipping

9.3 Simple to use

9.3 clearly written

8.7 worth the money
Main highlights

UPGRADED ACCURACY THAT LASTS - With the titanium alloy probe and the latest sensors, you can get almost exact readings every time. What’s more, the meter can be easily recalibrated for extended precision whenever needed.
SUITABLE FOR ANY TYPE OF TDS OR EC TESTING - Check the TDS or EC of your aquarium, pool, or any water source. You can determine the effectiveness of your RO, DI, or distillation unit, check the nutrient levels of your hydroponic setup, and more.
SAVE THE MONEY AND HASSLE - Instead of forking out for an expensive lab test or professional equipment, you can get reliable results from home. This ppm meter can also be taken anywhere with you in the free leather case, ready to test on the go.
RESULTS YOU CAN UNDERSTAND - Your free (opt-in only) emailed user guide explains exactly what the results mean, and what you may want to do about them. If you have any questions, just ask our team of EPA water quality experts. We’re here to help!
OUR SIMPLEST, FASTEST TDS METER YET - Just dip in the meter, stir, and get your results in seconds. No calibration or setup needed, you can use it straight out of the box. Follow the step-by-step instructions then check the easy-to-read screen.
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9.6

Exceptional

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05
ProPOW

TDS Meter,ProPOW 3-in-1 TDS/EC/Temperature Meter,PPM Meter, Measure 0-9999 ppm (Yellow)

Free Shipping

9.5 Simple to use

8.7 worth the money

8.2 Precision
Main highlights

Upgrade LCD Backlit Display: The water tester designed with advance LCD backlit display, which is easier and clearer to be read. PPM Less Than 40, The Measuring Result Shows with Green Backlight. PPM More Than 40, The Measuring Result Shows with Red Backlight.
High Accuracy,Automatic Calibration: With premium quality titanium alloy probe and ACT(Automatic Temperature Compensation) function,ensures the water quality tester reading accurately at various temperatures.
Easy to Carry: TDS ppm meter comes with a leather case for easy carrying. You can test water anywhere to get the purest drinking water.We promise 2 years warranty,and 90 days Money Back.
Auto Hold and Turn Off: The reading result will be auto-locked on LCD in seconds.TDS tester has power saving function, the digital water tester will shut down automatically after 2 minutes stand by.
3 in 1 Function: This professional TDS meter can test TDS，EC and temperature. Its measuring range, TDS: 0-9999 ppm (accuracy: ± 2%),EC: 0-9999 us/cm and the temp:32.0-212°F/ 0-99.0°C (accuracy ±0.1℃).
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9.5

Excellent

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06
HM Digital

HM Digital DM-1 in-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2-Percent Readout Accuracy

Free Shipping
Main highlights

This TDS Monitor is highly efficient and accurate due to its advanced microprocessor technology
The In-Line Dual TDS Meter displays TDS levels of the feed water and product water with in and out electrode probes
The DM-1 helps you to measure the tap water coming in vs the purified water going out of your water filtration system at any time
Installs quickly and easily
Highly efficient and accurate due to its advanced microprocessor technology
Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use
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9.4

Excellent

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07
HM Digital

HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 PPM Measurement Range, 1 PPM Resolution, +/- 3-Percent Readout Accuracy

24% Off Free Shipping

9.5 Water Resistant

9.3 Simple to use

9.1 worth the money
Main highlights

TDS-EZ meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Includes a TDS chart sticker on the back of the meter that explains TDS values.
Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image. Fun, translucent blue housing that's very strong and durable.
Hold Function: saves measurements for convenient reading and recording and battery life is approx. 1000 hours of usage and power source is 2 x 1.5V button cell batteries (included) (LR44 or equivalent)
Economy model that is ideal for end-users. Highly efficient and accurate due to its advanced microprocessor technology.
Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Display: large and easy-to-read LCD screen.
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9.3

Excellent

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08
VIVOSUN

VIVOSUN TDS Tester 3-in-1 TDS EC & Temperature Meter Ultrahigh Accuracy Digital Water Quality TDS Tester (Blue)

Free Shipping

9.7 worth the money

9.5 Simple to use

9.3 clearly written
Main highlights

Saves you money while protecting your health; Home water test kit alerts you when it’s time to change filters to remove contaminants from your water
Provides accurate and reliable test readings; 3-In-1 Digital TDS meter provides accurate readings for TDS (Total Dissolved Solids) EC (Electrical Conductivity) and temperature
Measurement Range:0-9990ppm, 0-9990µs/cm; Accuracy: 2%, 0.1- 80.0°C, 32.0-176.0°F.; Factory calibrated; Automatic Temperature Compensation (ATC)
Long battery life and lower power consumption; Auto-off function saves on battery usage and our TDS meter has lower power consumption than HM TDS meter
Locks your reading making it easy to record; Large, easy to read LCD screen and data-hold function makes reading and recording a snap
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9.1

Excellent

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09
RIMOL

TDS Meter Digital Water Tester, RIMOL 3-in-1 4 Modes TDS/EC/Temperature(°C,°F) Meter,Water Testing for Drinking Water,Swimming Pools,Aquariums,Hydroponics, Measure 0-9999 ppm (Yellow)

Free Shipping
Main highlights

High Accuracy-Automatic Calibration: High precision chip and premium quality titanium alloy probe and ACT(Automatic Temperature Compensation) function,ensures the water quality tester reading accurately at various temperatures.
Easy to Carry: TDS ppm meter comes with a leather case for easy store and carrying. You can test water anywhere to get the purest drinking water.
Auto Hold and Turn Off: The reading result will be auto-locked on LCD in seconds (The test results are directly compared with the TDS chart on the back of the TDS water tester, which is convenient and fast).TDS tester has power saving function, the digital water tester will shut down automatically after 2 minutes stand by.
4 in 1 Multifunctional Function: This professional TDS meter can test TDS，EC and temperature(Degree Centigrade~°C,Fahrenheit~°F). Its measuring range, TDS: 0-9999 ppm (accuracy: ± 2%),EC: 0-9999 us/cm and the temp:32.0-212°F/ 0-99.0°C (accuracy ±0.1℃).
Upgrade Dual Color Backlit LCD Screen: The TDS water tester designed with advance LCD backlit display, PPM Less Than 40, The Measuring Result Shows with Green Backlight, PPM More Than 40, The Measuring Result Shows with Red Backlight, which is easier and clearer to be read.
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9.0

Excellent

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10
kactoily

6-in-1 TDS Meter Digital Water Tester, UV275/TOC/COD/TDS/Temp/EC Meter for Pool, Well, Tap Water, Accurate and Reliable Water Tester for Drinking Water

Free Shipping
Main highlights

Small and Portable: This pen-type tds tester is compact, portable and IP67 rated waterproof, ideal for all-around applications like testing of drinking water, laboratory testing, hydroponics, spas, aquariums and well, tap water
High Precision: The water tester is equipped with a highly sensitive glass probe with automatic temperature compensation over a temperature range of 0°C-60°C, which can perfectly solve the measurement error caused by the liquid temperature change
Easy to Calibrate: Put the ppm meter into puried/distilled water, follow the prompts and long press the M button to calibrate successfully. An accurate water test for all your test needs, measuring all aspects of water quality to ensure healthy water
Digital Water Tester Visualisation: The water tester intelligently evaluates the water quality by combining the test results and quickly displays the score in four colours, making it more convenient than water testing kits for drinking water
6 in 1 Water Tester: This is a reagent-free, one-touch water test kit for 6 parameters. The UV275 indirectly indicates the residual chlorine level in the water and the higher the residual chlorine level, the higher the UV275 value
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8.7

Very Good

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