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Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
$134.00
Amazon.com
147
Free shipping
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
$134.00
Amazon.com
147
Lamotte 1749 Salt/TDS/Temperature/EC Pocket Tester Tracer
$149.00
Pool Warehouse
10
Lamotte 1749 Salt/TDS/Temperature/EC Pocket Tester Tracer
$149.00
Pool Warehouse
10
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
$18.99
Amazon.com
394
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
$18.99
Amazon.com
394
Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
$1,118.60
$1,511.50
Amazon.com
28
Free shipping
25% off
Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
$1,118.60
$1,511.50
Amazon.com
28
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
$159.95
Cannon Water Technology
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
$159.95
Cannon Water Technology
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
$148.03
Amazon.com
1K+
Free shipping
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
$148.03
Amazon.com
1K+
Myron L 4PII Conductivity, Resistivity, TDS, Temperature Meter
$903.98
$1,131.00
Amazon.com
5
Free shipping
20% off
Myron L 4PII Conductivity, Resistivity, TDS, Temperature Meter
$903.98
$1,131.00
Amazon.com
5
Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
$309.99
LED Lights Depot
Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
$309.99
LED Lights Depot
WD-35634-60 - Description : Waterproof Pocket Multiparameter Tester Ph, Conductivity, TDS, Salinity, And Temperature - Oakton Pctstestr 5 Waterproof
$234.49
Amazon.com
Free shipping
WD-35634-60 - Description : Waterproof Pocket Multiparameter Tester Ph, Conductivity, TDS, Salinity, And Temperature - Oakton Pctstestr 5 Waterproof
$234.49
Amazon.com
Free shipping
Pool Salt Tester - Multifunctional 5 in 1 Salinity, PH, TDS, EC, And Temperature Meter, Pool Salinity Testing Kit, Digital Salinity Tester For
$32.99
Amazon.com
183
Pool Salt Tester - Multifunctional 5 in 1 Salinity, PH, TDS, EC, And Temperature Meter, Pool Salinity Testing Kit, Digital Salinity Tester For
$32.99
Amazon.com
183
TDS Meter - Third Wave Water
$15.00
Third Wave Water
TDS Meter - Third Wave Water
$15.00
Third Wave Water
Groline Waterproof EC/TDS (Ppm) Tester (HI98318)
$109.99
LED Lights Depot
Groline Waterproof EC/TDS (Ppm) Tester (HI98318)
$109.99
LED Lights Depot
Waterproof EC / TDS / Temperature Combo Meter COM-100
$54.00
Cannon Water Technology
Waterproof EC / TDS / Temperature Combo Meter COM-100
$54.00
Cannon Water Technology
3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
$14.49
LightIntheBox.com
3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
$14.49
LightIntheBox.com
OAKTON 35660-38 EC250 Waterproof Conductivity, TDS, Resistivity, And Salinity Handheld Meter
$361.17
Globaltestsupply.com
OAKTON 35660-38 EC250 Waterproof Conductivity, TDS, Resistivity, And Salinity Handheld Meter
$361.17
Globaltestsupply.com
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
$184.00
Agriculture Solutions LLC
Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
$184.00
Agriculture Solutions LLC
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
$49.99
$54.99
Tilswall US
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
$49.99
$54.99
Tilswall US
Seawater Pro TDS Monitor Handheld
$85.00
Seawater Pro, LLC
Seawater Pro TDS Monitor Handheld
$85.00
Seawater Pro, LLC
OAKTON TDS 6+ Meter And Probe
$699.34
Globaltestsupply.com
OAKTON TDS 6+ Meter And Probe
$699.34
Globaltestsupply.com
HM Digital COM-80 EC/TDS Hydrotester
$39.95
Cannon Water Technology
HM Digital COM-80 EC/TDS Hydrotester
$39.95
Cannon Water Technology
Digital Water Quality Tester Pen PH TDS EC ORP Temp SG Salinity Meter Digital Water Quality Tester Pen PH TDS EC ORP Temp SG Salinity Meter
$44.97
Inspire Uplift
Digital Water Quality Tester Pen PH TDS EC ORP Temp SG Salinity Meter Digital Water Quality Tester Pen PH TDS EC ORP Temp SG Salinity Meter
$44.97
Inspire Uplift
Digital Ph Meter 7In1 Water Quality Tester EC TDS Salinity S.G ORP TEMP Monitor
$203.55
eBay
Digital Ph Meter 7In1 Water Quality Tester EC TDS Salinity S.G ORP TEMP Monitor
$203.55
eBay
4In1 PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester Test Tool
$30.78
www.madhornets.com
30-day returns (most items)
4In1 PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester Test Tool
$30.78
www.madhornets.com
30-day returns
TQC Sheen Elite Multifunctional Meter - Conductivity, TDS, Salinity, And Temperature
$316.00
Industrial Physics
TQC Sheen Elite Multifunctional Meter - Conductivity, TDS, Salinity, And Temperature
$316.00
Industrial Physics
HM Digital COM-300 Waterproof Professional Ph/EC/TDS/Temp Meter
$120.00
eBay
Free shipping
HM Digital COM-300 Waterproof Professional Ph/EC/TDS/Temp Meter
$120.00
eBay
Free shipping
5,In,1 Water Quality Tester, Ph/EC/TDS/Salinity/Temp. For Accurate Readings
$142.79
eBay
Free shipping
5,In,1 Water Quality Tester, Ph/EC/TDS/Salinity/Temp. For Accurate Readings
$142.79
eBay
Free shipping
Azzota PCM-540-DL, 2020 Model Portable Conductivity/TDS/Salinity Meter - 0100Us/Cm CON-0.1
$753.20
Selectum
30-day returns (most items)
Azzota PCM-540-DL, 2020 Model Portable Conductivity/TDS/Salinity Meter - 0100Us/Cm CON-0.1
$753.20
Selectum
30-day returns
Myron L TDS Meter For 0-50, 500, 5000 Ppm
$569.00
Cannon Water Technology
Myron L TDS Meter For 0-50, 500, 5000 Ppm
$569.00
Cannon Water Technology
HM Digital COM-360, Waterproof Professional Ph/EC/TDS/Temp Meter
$116.91
Selectum
30-day returns (most items)
HM Digital COM-360, Waterproof Professional Ph/EC/TDS/Temp Meter
$116.91
Selectum
30-day returns
HM Digital COM-300, Waterproof Professional Ph/EC/TDS/Temp Meter
$116.91
Selectum
30-day returns (most items)
HM Digital COM-300, Waterproof Professional Ph/EC/TDS/Temp Meter
$116.91
Selectum
30-day returns
OAKTON WD-35462-11 Ecotestr™ CTS Water Quality Pocket Meter, Conductivity, Salinity, TDS
$79.57
Globaltestsupply.com
1
OAKTON WD-35462-11 Ecotestr™ CTS Water Quality Pocket Meter, Conductivity, Salinity, TDS
$79.57
Globaltestsupply.com
1
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
$15.99
Home Depot
Free shipping
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
$15.99
Home Depot
Free shipping
TDS Meter Digital Water Quality Tester - White
$23.99
tohittheroad.com
TDS Meter Digital Water Quality Tester - White
$23.99
tohittheroad.com
5-In-1 Digital Ph Meter With TDS /EC /Salinity /Temp
$65.99
$129.98
tohittheroad.com
49% off
5-In-1 Digital Ph Meter With TDS /EC /Salinity /Temp
$65.99
$129.98
tohittheroad.com
Lamotte Co - Tds/C Meter Tds 6 Plus Handheld W/ Carrying Case -
$966.26
Pool Spa Supplies
30-day returns (most items)
Lamotte Co - Tds/C Meter Tds 6 Plus Handheld W/ Carrying Case -
$966.26
Pool Spa Supplies
30-day returns
HM Digital COM-300L, Waterproof Professional Series Ph/EC/TDS/Temp Meter
$139.93
Selectum
30-day returns (most items)
HM Digital COM-300L, Waterproof Professional Series Ph/EC/TDS/Temp Meter
$139.93
Selectum
30-day returns
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    Shop tds reader

    Sponsored
    About our ads
    Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
    $134.00
    Amazon.com
    147
    Free shipping
    Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
    $134.00
    Amazon.com
    147
    Lamotte 1749 Salt/TDS/Temperature/EC Pocket Tester Tracer
    $149.00
    Pool Warehouse
    10
    Lamotte 1749 Salt/TDS/Temperature/EC Pocket Tester Tracer
    $149.00
    Pool Warehouse
    10
    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
    $18.99
    Amazon.com
    394
    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
    $18.99
    Amazon.com
    394
    Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
    $1,118.60
    $1,511.50
    Amazon.com
    28
    Free shipping
    25% off
    Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
    $1,118.60
    $1,511.50
    Amazon.com
    28
    HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
    $159.95
    Cannon Water Technology
    HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
    $159.95
    Cannon Water Technology
    APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
    $148.03
    Amazon.com
    1K+
    Free shipping
    APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
    $148.03
    Amazon.com
    1K+
    Myron L 4PII Conductivity, Resistivity, TDS, Temperature Meter
    $903.98
    $1,131.00
    Amazon.com
    5
    Free shipping
    20% off
    Myron L 4PII Conductivity, Resistivity, TDS, Temperature Meter
    $903.98
    $1,131.00
    Amazon.com
    5
    Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
    $309.99
    LED Lights Depot
    Groline Waterproof Portable Ph/EC/TDS Meter (HI9814)
    $309.99
    LED Lights Depot
    WD-35634-60 - Description : Waterproof Pocket Multiparameter Tester Ph, Conductivity, TDS, Salinity, And Temperature - Oakton Pctstestr 5 Waterproof
    $234.49
    Amazon.com
    Free shipping
    WD-35634-60 - Description : Waterproof Pocket Multiparameter Tester Ph, Conductivity, TDS, Salinity, And Temperature - Oakton Pctstestr 5 Waterproof
    $234.49
    Amazon.com
    Free shipping
    Pool Salt Tester - Multifunctional 5 in 1 Salinity, PH, TDS, EC, And Temperature Meter, Pool Salinity Testing Kit, Digital Salinity Tester For
    $32.99
    Amazon.com
    183
    Pool Salt Tester - Multifunctional 5 in 1 Salinity, PH, TDS, EC, And Temperature Meter, Pool Salinity Testing Kit, Digital Salinity Tester For
    $32.99
    Amazon.com
    183
    TDS Meter - Third Wave Water
    $15.00
    Third Wave Water
    TDS Meter - Third Wave Water
    $15.00
    Third Wave Water
    Groline Waterproof EC/TDS (Ppm) Tester (HI98318)
    $109.99
    LED Lights Depot
    Groline Waterproof EC/TDS (Ppm) Tester (HI98318)
    $109.99
    LED Lights Depot
    Waterproof EC / TDS / Temperature Combo Meter COM-100
    $54.00
    Cannon Water Technology
    Waterproof EC / TDS / Temperature Combo Meter COM-100
    $54.00
    Cannon Water Technology
    3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
    $14.49
    LightIntheBox.com
    3 In1 Meter Digital Water Quality Tester TDS EC Meter Temperature Tester Pen Multifunctional Digital Water Quality Tester For Water Purity TEMP PPM Te
    $14.49
    LightIntheBox.com
    OAKTON 35660-38 EC250 Waterproof Conductivity, TDS, Resistivity, And Salinity Handheld Meter
    $361.17
    Globaltestsupply.com
    OAKTON 35660-38 EC250 Waterproof Conductivity, TDS, Resistivity, And Salinity Handheld Meter
    $361.17
    Globaltestsupply.com
    Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
    $184.00
    Agriculture Solutions LLC
    Horiba Laquatwin Conductivity (EC), Salt, TDS Meter (EC-33)
    $184.00
    Agriculture Solutions LLC
    Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
    $49.99
    $54.99
    Tilswall US
    Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
    $49.99
    $54.99
    Tilswall US
    Seawater Pro TDS Monitor Handheld
    $85.00
    Seawater Pro, LLC
    Seawater Pro TDS Monitor Handheld
    $85.00
    Seawater Pro, LLC