Shop Using a TDS Meter

Sponsored
About our ads
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$30.16
HM Digital DM-1 Dual TDS Meter - 3/8" Feed X 3/8" Product
Fresh Water Systems
$30.16
HM Digital DM-1 Dual TDS Meter - 3/8" Feed X 3/8" Product
Fresh Water Systems
$15.99
Handheld TDS Meter EZ - Single
Fresh Water Systems
6K+
$15.99
Handheld TDS Meter EZ - Single
Fresh Water Systems
6K+
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
843
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
843
$938.05
OAKTON WD-35607-32 CON 150 Waterproof Conductivity, TDS Meter & Probe
Globaltestsupply.com
$938.05
OAKTON WD-35607-32 CON 150 Waterproof Conductivity, TDS Meter & Probe
Globaltestsupply.com
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$101.99
OAKTON TDS Meter, 32 To 122 Degrees, 0 To 10 Ppt, 3563408
Zoro.com
$101.99
OAKTON TDS Meter, 32 To 122 Degrees, 0 To 10 Ppt, 3563408
Zoro.com
$15.57
HM Digital TDS-4, Pocket-Size TDS Meter
Selectum
1K+
$15.57
HM Digital TDS-4, Pocket-Size TDS Meter
Selectum
1K+
$644.99
Hanna Instruments HI8734 Three-Range Portable TDS Meter
Blue Tiger Scientific
$644.99
Hanna Instruments HI8734 Three-Range Portable TDS Meter
Blue Tiger Scientific
$15.38
HM Digital TDS-3, Handheld TDS Meter With Carrying Case
Selectum
11
$15.38
HM Digital TDS-3, Handheld TDS Meter With Carrying Case
Selectum
11
$29.95
$49.92
Advanced TDS Meter For Reverse Osmosis Systems
US Water Systems
40% off
$29.95
$49.92
Advanced TDS Meter For Reverse Osmosis Systems
US Water Systems
$55.14
HM Digital COM-100, Waterproof Professional EC/TDS Meter
Selectum
31
$55.14
HM Digital COM-100, Waterproof Professional EC/TDS Meter
Selectum
31
$225.00
Hanna Instruments HI 98130 Waterproof Ph/Conductivity/TDS Tester With ATC, High Range
Amazon.com
58
Free shipping
$225.00
Hanna Instruments HI 98130 Waterproof Ph/Conductivity/TDS Tester With ATC, High Range
Amazon.com
58
$135.54
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
1K+
Free shipping
$135.54
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
1K+
$334.99
Hanna HI99301 Portable High Range EC/TDS Meter | Waterproof Conductivity Tester
Blue Tiger Scientific
$334.99
Hanna HI99301 Portable High Range EC/TDS Meter | Waterproof Conductivity Tester
Blue Tiger Scientific
$6.45
$13.43
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
51% off
$6.45
$13.43
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
$805.92
OAKTON TDS 6+ Meter Kit
Globaltestsupply.com
$805.92
OAKTON TDS 6+ Meter Kit
Globaltestsupply.com
$74.95
$124.92
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
40% off
$74.95
$124.92
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
$6.07
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen With Backlight LCD
Aliexpress
$6.07
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen With Backlight LCD
Aliexpress
$3.99
$12.98
TDS Meter Digital Water Tester,TDS EC Temperature Meter 3 in 1, Ideal PPM Meter For Drinking Water,RO System Aquariums Swimming Pool And More, 0-9990 Ppm Meter
fortecolchoes.com
69% off
$3.99
$12.98
TDS Meter Digital Water Tester,TDS EC Temperature Meter 3 in 1, Ideal PPM Meter For Drinking Water,RO System Aquariums Swimming Pool And More, 0-9990 Ppm Meter
fortecolchoes.com
$1.80
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
$1.80
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
$2.49
$9.99
TDS Meter Digital Water Quality Tester For RO System Drinking Water, Aquariums, Hydroponics, 0-999 Ppm Measuring Range, 1 Ppm Increments, 2% Readout Accuracy
fortecolchoes.com
75% off
$2.49
$9.99
TDS Meter Digital Water Quality Tester For RO System Drinking Water, Aquariums, Hydroponics, 0-999 Ppm Measuring Range, 1 Ppm Increments, 2% Readout Accuracy
fortecolchoes.com
$2.89
$7.49
Tds Meter Water Tester Affordable Reliable Water Testing Kits For Drinking Water Biominerals Tester Water Test Meter For Drinking Water
fortecolchoes.com
61% off
$2.89
$7.49
Tds Meter Water Tester Affordable Reliable Water Testing Kits For Drinking Water Biominerals Tester Water Test Meter For Drinking Water
fortecolchoes.com
$27.99
$33.35
Pocket Conductivity / TDS Meter
Sper Direct
16% off
$27.99
$33.35
Pocket Conductivity / TDS Meter
Sper Direct
$144.99
Hanna Instruments HI98318U Groline Waterproof EC/TDS (Ppm) Tester
Blue Tiger Scientific
$144.99
Hanna Instruments HI98318U Groline Waterproof EC/TDS (Ppm) Tester
Blue Tiger Scientific
$7.99
$9.99
High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
Banggood
20% off
$7.99
$9.99
High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
Banggood
$21.97
$43.94
TDS 3 Meter Temp PPM Digital LCD Tester For Tap Water Purity Filter | Prime Goods Market
Inspire Uplift
Free shipping
50% off
$21.97
$43.94
TDS 3 Meter Temp PPM Digital LCD Tester For Tap Water Purity Filter | Prime Goods Market
Inspire Uplift
Free shipping
$104.99
$209.98
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring - C 600A 0.1 | Inspired Finds
Inspire Uplift
50% off
$104.99
$209.98
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring - C 600A 0.1 | Inspired Finds
Inspire Uplift
$113.99
$227.98
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring - Yy 1010 0.1 | Inspired Finds
Inspire Uplift
50% off
$113.99
$227.98
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring - Yy 1010 0.1 | Inspired Finds
Inspire Uplift
$334.80
Environmental Express Oakton Pctstestr 50 Waterproof Pocket Ph/Cond/TDS/Salinity Tester | Cole-Parmer
Cole-Parmer
$334.80
Environmental Express Oakton Pctstestr 50 Waterproof Pocket Ph/Cond/TDS/Salinity Tester | Cole-Parmer
Cole-Parmer
$109.00
Environmental Express Oakton Ecotestr CTS1 Pocket Conductivity, Salinity, And TDS Meter | Cole-Parmer
Cole-Parmer
$109.00
Environmental Express Oakton Ecotestr CTS1 Pocket Conductivity, Salinity, And TDS Meter | Cole-Parmer
Cole-Parmer
$7.92
$11.38
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
20
Free shipping
30% off
$7.92
$11.38
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
20
$34.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
vipih.com
1
$34.78
3 in 1 Digital PH TDS TEMP Waterproof Water Quality Meter Tester Test Pen Tool
vipih.com
1
$4.98
2025 All-New 4 in 1 Tds Meter Digital Water Tester,4 in 1 Tds Meter Digital Water Tester,Portable Multi-Function Digital Water Purity Tester,Digital W
Walmart
$4.98
2025 All-New 4 in 1 Tds Meter Digital Water Tester,4 in 1 Tds Meter Digital Water Tester,Portable Multi-Function Digital Water Purity Tester,Digital W
Walmart
$375.00
REED R3100SD Data Logging Conductivity/TDS/Salinity Meter
Globaltestsupply.com
$375.00
REED R3100SD Data Logging Conductivity/TDS/Salinity Meter
Globaltestsupply.com
How to - TDS Meter Instructions
1:12
How to - TDS Meter Instructions
141.2K viewsDec 31, 2020
YouTubeBombora Supplies
How to Use Water TDS Meter (Review and Sample Testing)
5:47
How to Use Water TDS Meter (Review and Sample Testing)
434 views10 months ago
YouTubeShop Extra
How To Use A TDS Meter (Water Purity Testing Guide)
0:58
How To Use A TDS Meter (Water Purity Testing Guide)
850 viewsMar 11, 2025
YouTubeWater Tech
How to Use a TDS Meter | Full Beginner Guide to Check Water Quality
1:00
How to Use a TDS Meter | Full Beginner Guide to Check Water Q…
14 views3 months ago
YouTubeRamesh143
How to Calibrate TDS Meter at home??
1:18
How to Calibrate TDS Meter at home??
22.5K viewsJun 27, 2021
YouTubecreative creation
How To Use a TDS Meter with Reverse Osmosis
1:35
How To Use a TDS Meter with Reverse Osmosis
11.1K viewsMar 11, 2020
YouTubeUS Water Systems - American Water Treatment
Understanding TDS Thermometers for Water Quality
0:19
Understanding TDS Thermometers for Water Quality
81.5K viewsJan 26, 2023
TikToknjeriuisharrit
0:34
How to use your TDS meter
11.2K viewsSep 26, 2022
YouTubeAlex Brunner
4:18
DFROBOT TDS Meter Sensor With Arduino & LCD || Measure Water Q…
21.7K viewsMar 14, 2021
YouTubeTECHEONICS
2:04
How to take a TDS meter reading
244.2K viewsNov 7, 2008
YouTubeFresh Water Systems
How to use your TDS meter
15 viewsNov 14, 2024
rutube.ru
14:48
Complete Guide on TDS Sensor with Arduino ESP32 and IoT Cloud | W…
14.8K viewsAug 29, 2024
YouTubeIoT Projects Ideas
2:57
How to use a TDS Meter
148.3K viewsMar 18, 2011
YouTubeTier1 Water and Air Filtration
3:57
Quickly test the quality of your drinking water with a TDS Meter
762 viewsAug 18, 2021
YouTubeZeta Aid
2:48
What is TDS in water and how to use TDS METER
608 viewsFeb 12, 2020
YouTubeTechDevotee
7:49
How to measure TDS of water using a TDS meter
104.3K viewsJul 29, 2015
YouTubekooljnana
1:44
How to use a TDS meter to test water purity - total dissolved solids
48.7K viewsFeb 13, 2023
YouTubeWCSkills
4:37
TDS Meter Instructional Video - Nimbus Water Systems
157.8K viewsJul 6, 2011
YouTubenimbuswaterusa
7:48
How to Measure Conductivity and TDS with Digital Conductivity Met…
11.2K viewsFeb 21, 2021
YouTubeRathore Saptendra Singh
0:38
TDS Analysis of Water Sample | Total Dissolved Solids Testing Ex…
1.8K views10 months ago
YouTubeDr Singh Industry Consultancy Jaipur
3:00
TDS Meter 3 - Digital Water Quality Tester
150.7K viewsApr 4, 2015
YouTubeTake It Or Leave It
0:54
đź’§ How to Measure Water TDS at Home | Quick & Easy Test
907 views6 months ago
YouTubeThe RK Travel Diaries
9:45
Test Your Water Quality Using TDS and EC
7.2K viewsJan 29, 2025
YouTubeScience by Gabrawy
6:47
Water Purity Test Using TDS meter | Testing Indian Water Brands Purit…
4 views1 month ago
YouTubeVD Reviews
0:51
What is a TDS Meter? |Quick Guide to Total Dissolved Solids
1.1K viewsOct 4, 2024
YouTubeBOOK TO LAB
4:25
How to Check TDS of Water at Home - Measuring TDS Level with TDS …
22.9K viewsFeb 17, 2022
YouTubePurefyin
3:23
TDS meter
2K viewsOct 22, 2024
YouTubeM* Daud Ashraf
1:11
HOW TO MEASURE TDS OF WATER | TOTAL DISSOLVED SOLIDS
4K views9 months ago
YouTubeSteveO The Window Cleaner
0:39
How to Use Your TDS Meter for Water Quality
314 viewsJul 29, 2024
TikTokculliganzerowateruk
8:20
Aquarium Water Quality Monitoring System for Aquatic Life using TD…
38.7K viewsDec 13, 2021
YouTubeHow To Electronics
See more videos
Static thumbnail place holder

Shop Using a TDS Meter

Sponsored
About our ads
$29.95
$49.92
Advanced TDS Meter For Reverse Osmosis Systems
US Water Systems
40% off
$29.95
$49.92
Advanced TDS Meter For Reverse Osmosis Systems
US Water Systems
$55.14
HM Digital COM-100, Waterproof Professional EC/TDS Meter
Selectum
31
$55.14
HM Digital COM-100, Waterproof Professional EC/TDS Meter
Selectum
$225.00
Hanna Instruments HI 98130 Waterproof Ph/Conductivity/TDS Tester With ATC, High Range
Amazon.com
58
Free shipping
$225.00
Hanna Instruments HI 98130 Waterproof Ph/Conductivity/TDS Tester With ATC, High Range
Amazon.com
$135.54
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
1K+
Free shipping
$135.54
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
$334.99
Hanna HI99301 Portable High Range EC/TDS Meter | Waterproof Conductivity Tester
Blue Tiger Scientific
$334.99
Hanna HI99301 Portable High Range EC/TDS Meter | Waterproof Conductivity Tester
Blue Tiger Scientific
$6.45
$13.43
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
51% off
$6.45
$13.43
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
$805.92
OAKTON TDS 6+ Meter Kit
Globaltestsupply.com
$805.92
OAKTON TDS 6+ Meter Kit
Globaltestsupply.com
$74.95
$124.92
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
40% off
$74.95
$124.92
COM-100 HM Digital EC TDS & Temperature Waterproof Meter
US Water Systems
$6.07
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen With Backlight LCD
Aliexpress
$6.07
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen With Backlight LCD
Aliexpress
$3.99
$12.98
TDS Meter Digital Water Tester,TDS EC Temperature Meter 3 in 1, Ideal PPM Meter For Drinking Water,RO System Aquariums Swimming Pool And More, 0-9990 Ppm Meter
fortecolchoes.com
69% off
$3.99
$12.98
TDS Meter Digital Water Tester,TDS EC Temperature Meter 3 in 1, Ideal PPM Meter For Drinking Water,RO System Aquariums Swimming Pool And More, 0-9990 Ppm Meter
fortecolchoes.com
$1.80
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
$1.80
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
$2.49
$9.99
TDS Meter Digital Water Quality Tester For RO System Drinking Water, Aquariums, Hydroponics, 0-999 Ppm Measuring Range, 1 Ppm Increments, 2% Readout Accuracy
fortecolchoes.com
75% off
$2.49
$9.99
TDS Meter Digital Water Quality Tester For RO System Drinking Water, Aquariums, Hydroponics, 0-999 Ppm Measuring Range, 1 Ppm Increments, 2% Readout Accuracy
fortecolchoes.com
$2.89
$7.49
Tds Meter Water Tester Affordable Reliable Water Testing Kits For Drinking Water Biominerals Tester Water Test Meter For Drinking Water
fortecolchoes.com
61% off
$2.89
$7.49
Tds Meter Water Tester Affordable Reliable Water Testing Kits For Drinking Water Biominerals Tester Water Test Meter For Drinking Water
fortecolchoes.com
$27.99
$33.35
Pocket Conductivity / TDS Meter
Sper Direct
16% off
$27.99
$33.35
Pocket Conductivity / TDS Meter
Sper Direct
$144.99
Hanna Instruments HI98318U Groline Waterproof EC/TDS (Ppm) Tester
Blue Tiger Scientific
$144.99
Hanna Instruments HI98318U Groline Waterproof EC/TDS (Ppm) Tester
Blue Tiger Scientific
$7.99
$9.99
High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
Banggood
20% off
$7.99
$9.99
High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
Banggood
$21.97
$43.94
TDS 3 Meter Temp PPM Digital LCD Tester For Tap Water Purity Filter | Prime Goods Market
Inspire Uplift
Free shipping
50% off
$21.97
$43.94
TDS 3 Meter Temp PPM Digital LCD Tester For Tap Water Purity Filter | Prime Goods Market
Inspire Uplift
$104.99
$209.98
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring - C 600A 0.1 | Inspired Finds
Inspire Uplift
50% off
$104.99
$209.98
Yieryi Digital Water Quality Tester Professional TDS EC PH Meter With Salinity, ORP, SG & Temperature Monitoring - C 600A 0.1 | Inspired Finds
Inspire Uplift

Shop Using a TDS Meter

Sponsored
About our ads
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$30.16
HM Digital DM-1 Dual TDS Meter - 3/8" Feed X 3/8" Product
Fresh Water Systems
$30.16
HM Digital DM-1 Dual TDS Meter - 3/8" Feed X 3/8" Product
Fresh Water Systems
$15.99
Handheld TDS Meter EZ - Single
Fresh Water Systems
6K+
$15.99
Handheld TDS Meter EZ - Single
Fresh Water Systems
6K+
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
843
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
843
$938.05
OAKTON WD-35607-32 CON 150 Waterproof Conductivity, TDS Meter & Probe
Globaltestsupply.com
$938.05
OAKTON WD-35607-32 CON 150 Waterproof Conductivity, TDS Meter & Probe
Globaltestsupply.com
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$184.00
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
Agriculture Solutions LLC
$101.99
OAKTON TDS Meter, 32 To 122 Degrees, 0 To 10 Ppt, 3563408
Zoro.com
$101.99
OAKTON TDS Meter, 32 To 122 Degrees, 0 To 10 Ppt, 3563408
Zoro.com
$15.57
HM Digital TDS-4, Pocket-Size TDS Meter
Selectum
1K+
$15.57
HM Digital TDS-4, Pocket-Size TDS Meter
Selectum
1K+
$644.99
Hanna Instruments HI8734 Three-Range Portable TDS Meter
Blue Tiger Scientific
$644.99
Hanna Instruments HI8734 Three-Range Portable TDS Meter
Blue Tiger Scientific
$15.38
HM Digital TDS-3, Handheld TDS Meter With Carrying Case
Selectum
11
$15.38
HM Digital TDS-3, Handheld TDS Meter With Carrying Case
Selectum
11
$29.95
$49.92
Advanced TDS Meter For Reverse Osmosis Systems
US Water Systems
40% off
$29.95
$49.92
Advanced TDS Meter For Reverse Osmosis Systems
US Water Systems
$55.14
HM Digital COM-100, Waterproof Professional EC/TDS Meter
Selectum
31
$55.14
HM Digital COM-100, Waterproof Professional EC/TDS Meter
Selectum
31
$225.00
Hanna Instruments HI 98130 Waterproof Ph/Conductivity/TDS Tester With ATC, High Range
Amazon.com
58
Free shipping
$225.00
Hanna Instruments HI 98130 Waterproof Ph/Conductivity/TDS Tester With ATC, High Range
Amazon.com
58
$135.54
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
1K+
Free shipping
$135.54
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
1K+
$334.99
Hanna HI99301 Portable High Range EC/TDS Meter | Waterproof Conductivity Tester
Blue Tiger Scientific
$334.99
Hanna HI99301 Portable High Range EC/TDS Meter | Waterproof Conductivity Tester
Blue Tiger Scientific
$6.45
$13.43
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
51% off
$6.45
$13.43
4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen Backlit LCD Display For
Aliexpress
$805.92
OAKTON TDS 6+ Meter Kit
Globaltestsupply.com
$805.92
OAKTON TDS 6+ Meter Kit
Globaltestsupply.com