Ph, Conductivity & Tds Meters
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eSeasongear SALT-3000 Meter Digital NaCl Salinity ppm Tester for Pool & Koi Pond Ebay.com starting at $15.99
Shipping Calculated by Location Expedited: Yes Next Day: No eSeasonGear Rating: 99.4% |
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Milwaukee Instruments MW500 ORP mV Digital Meter/Tester, Water/Negative/Redox Ebay.com starting at $136.00
Free Worldwide Shipping Expedited: No Next Day: No eSeasonGear Rating: 99.4% |
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Dr.meter Upgraded High Accuracy Backlit Two-Color LCD Display pH Meter with ATC Ebay.com starting at $29.99
Free Worldwide Shipping Expedited: No Next Day: No Multichoice1116 Rating: 97.3% |
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IoT pH meter for ESP8266, Raspberry Pi & Arduino; ATC; aquaruim, beer, wine Ebay.com starting at $42.00
Free Flat Rate Shipping Expedited: No Next Day: No |
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IoT pH meter for aquariums & hydroponics - ESP8266, Raspberry Pi, Arduino Ebay.com starting at $55.00
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Pocket Digital pH Meter Tester Pen 0.05pH - ATC Waterproof for Pool Aquarium Lab Ebay.com starting at $10.32
Free Worldwide Shipping Expedited: No Next Day: No anyvolume Rating: 99.6% |
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Milwaukee Instruments MW801 Digital pH EC TDS COMBO Meter Tester Ebay.com starting at $231.00
Free Worldwide Shipping Expedited: Yes Next Day: No eSeasonGear Rating: 99.4% |
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Apera PC60Z Smart Bluetooth pH/Conductivity/TDS/Salinity/Resistivity/Temp Tester Ebay.com starting at $195.00
Free Worldwide Shipping Expedited: Yes Next Day: No Apera Instruments Rating: 83.3% |
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PH Meter, TDS&EC PPM Meter Water Tester for Household Drinking,Pool and Aquarium Ebay.com starting at $8.99
Free Worldwide Shipping Expedited: No Next Day: No SimPure Office Store Rating: 99.6% |
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Apera PH700 Benchtop Lab pH Meter 0.01 Accuracy with 3-in-1 pH/Temp. Electrode Ebay.com starting at $294.00
Free Worldwide Shipping Expedited: Yes Next Day: No Apera Instruments Rating: 83.3% |
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OPEN BOX New Milwaukee MW500 ORP Meter, BLUE Model Ebay.com starting at $79.99
Shipping Calculated by Location Expedited: Yes Next Day: No eSeasonGear Rating: 99.4% |
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Apera PH60-Z Smart Bluetooth pH Tester for general water solutions Ebay.com starting at $130.50
Free Worldwide Shipping Expedited: Yes Next Day: No Apera Instruments Rating: 83.3% |
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LCD PH Meter Tester Digital Electric Water Test Pen Pocket Hydroponics Aquarium Ebay.com starting at $12.44
Free Worldwide Shipping Expedited: No Next Day: No ninjatoner888 Rating: 98.2% |
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Apera PH60 Premium Waterproof pH Tester for general water solutions Ebay.com starting at $105.00
Free Worldwide Shipping Expedited: Yes Next Day: No Apera Instruments Rating: 83.3% |
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PH Meter, TDS&EC PPM Meter Water Tester for Household Drinking,Pool and Aquarium Ebay.com starting at $8.99
Free Worldwide Shipping Expedited: No Next Day: No SimPure Office Store Rating: 99.6% |
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SALE 067 Body pH TEST Tape Paper Roll 4 Saliva & Urine Acid 5.5 Alkaline Health Ebay.com starting at $10.99
Free Worldwide Shipping Expedited: No Next Day: No and YOU shall find HEALTH Rating: 100.0% |
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Hanna Instruments GroChek pH/EC/TDS/C Portable Meter w/Cal Check HI9813-61 Ebay.com starting at $254.94
Free Worldwide Shipping Expedited: No Next Day: No The Hydroponic Store Rating: 99.5% |
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Mettler Toledo SevenCompact S220 pH Meter, InLab Export Pro Probe Stand Tested Ebay.com starting at $779.00
$0.0 FreePickup Worldwide shipping Expedited: Yes Next Day: No Sierra Lab Instrument Rating: 100.0% |
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VIVOSUN Soil Tester, 3-in-1 Plant Moisture Meter Light PH Tester Ebay.com starting at $10.79
Free Worldwide Shipping Expedited: No Next Day: No vivosun-us Rating: 98.5% |
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pH Calibration Solution - "500 mL" (pH4, pH7, & pH10) (3-pack 1 bottle of each) Ebay.com starting at $39.95
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LCD Digital Water Quality Tester TDS EC/PH/PH PH Paper Meter&TEMP Swimming Pools Ebay.com starting at $9.99
Free Worldwide Shipping Expedited: No Next Day: No Portable Personal Water Filtration Rating: 99.6% |
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Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit Ebay.com starting at $79.99
Shipping Calculated by Location Expedited: No Next Day: No Humble Living Sales Rating: 100.0% |
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Thermo Scientific Orion 8155SC Ross Combination pH Electrode, Body: Epoxy, pH Ebay.com starting at $50.00
Shipping Calculated by Location Expedited: No Next Day: Yes MAssetRecovery Rating: 100.0% |
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Fisher Scientific Accumet Basic AB15 pH Meter w/ Probe Arm + Power Adapter Ebay.com starting at $7.00
$0.0 FreePickup Worldwide shipping Expedited: Yes Next Day: No Spicket River Electronics Rating: 98.2% |
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7-in-1 PH/ORP/EC/TEMP/SALT/S.G/TDS LCD Backlight Water Quality Tester Meter Pen Ebay.com starting at $21.92
Free Worldwide Shipping Expedited: No Next Day: No modulefans Rating: 99.2% |
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Apera Premium Series EC60 EC/TDS/Salinity Waterproof Conductivity Pocket Tester Ebay.com starting at $107.00
Free Worldwide Shipping Expedited: Yes Next Day: No Apera Instruments Rating: 83.3% |
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Mettler SevenExcellence Multiparameter Touch Panel pH Meter Ion Conductivity Ebay.com starting at $699.99
Shipping Calculated by Location Expedited: Yes Next Day: No Sierra Lab Instrument Rating: 100.0% |
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Mettler Toledo Seven Compact S220 pH/Ion Meter Ebay.com starting at $173.97
Free Flat Rate Shipping Expedited: No Next Day: No tvrsales2 Rating: 98.0% |
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Bluelab Conductivity Pen PPM EC TDS Hydroponic Meter Gardening Tool Ebay.com starting at $49.95
Shipping Calculated by Location Expedited: No Next Day: No Desert Wind Arabs Rating: 99.4% |
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Conductivity Meter Water Quality Monitor Analyzer Portable Conductivity Tester Ebay.com starting at $135.00
Free Worldwide Shipping Expedited: No Next Day: No vetus-instruments Rating: 97.1% |
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WTW MultiLine® Multi 3510 SET U St without sensor, armor SM pro (SKU: 2FD35U) Ebay.com starting at $400.00
Shipping Calculated by Location Expedited: Yes Next Day: No |
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Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit Ebay.com starting at $86.95
Free Worldwide Shipping Expedited: No Next Day: No |
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Mesa Labs Neo-2 MeterLiquid Conductivity, Temperature, Pressure, and pH Meter Ebay.com starting at $239.00
Shipping Calculated by Location Expedited: No Next Day: No med-lab tech store Rating: 94.1% |
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ProMinent DCM5 DCM 502 Aquatic Water Quality Chemistry Controller DCM 5 7761463 Ebay.com starting at $2,750.00
Shipping Calculated by Location Expedited: No Next Day: No FiresideSurplus Rating: 99.7% |
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Geonics EM31 Digital Ground Conductivity Meter Ebay.com starting at $6,968.64
Free Flat Rate Shipping Expedited: No Next Day: No koo_little_lulu Rating: 100.0% |
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Digital pH Meter PPM,TDS&EC Water Quality Tester,±0.01pH for Home Lab WHOLE SALE Ebay.com starting at $11.99
Free Worldwide Shipping Expedited: No Next Day: No Portable Personal Water Filtration Rating: 99.6% |
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Milwaukee EC60 EC/TDS/°C Tester Conductivity Meter, 60 Ebay.com starting at $55.00
Free Flat Rate Domestic Shipping Calculated International Shipping Expedited: Yes Next Day: No eSeasonGear Rating: 99.4% |
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Portable Conductivity Meter Monitor Water Quality Tester Water Quality Analyzer Ebay.com starting at $103.50
Free Worldwide Shipping Expedited: No Next Day: No vetus-instruments Rating: 97.1% |
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HACH SENSION 1 PH METER P/N 51700-60 (JG57) Ebay.com starting at $75.00
Free Flat Rate Shipping Expedited: Yes Next Day: No SOLANO TRADERS Rating: 99.3% |
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Hanna Instruments HI9813-61 Portable pH/EC/TDS/Temperature Meter with CAL Check Ebay.com starting at $280.00
Free Worldwide Shipping Expedited: No Next Day: No spokaneorganicandhydrosupply Rating: 100.0% |
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Hanna HI98129 pH / EC / TDS Conductivity Tester Meter -98129 hydroponic aquarium Ebay.com starting at $178.99
Free Worldwide Shipping Expedited: No Next Day: No The Hydroponic Store Rating: 99.5% |
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Hanna Instruments GroChek pH/EC/TDS/C Portable Meter w/Cal Check HI9813-61 Ebay.com starting at $169.99
Free Worldwide Shipping Expedited: No Next Day: No |
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HACH HQ40D PORTABLE MULTI-PROBE METER S/N 11100063447 Ebay.com starting at $1,000.00
Shipping Calculated by Location Expedited: Yes Next Day: Yes adamstang2005 Rating: 99.5% |
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LCD Digital Water Quality Tester TDS EC/PH/PH PH Paper Meter&TEMP Swimming Pools Ebay.com starting at $9.99
Free Worldwide Shipping Expedited: No Next Day: No Portable Personal Water Filtration Rating: 99.6% |
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7-in-1 PH/ORP/EC/TEMP/SALT/S.G/TDS LCD Backlight Water Quality Tester Meter Pen Ebay.com starting at $23.76
Free Worldwide Shipping Expedited: No Next Day: No modulefans Rating: 99.2% |
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iSpring TDS2 2-Button Digital Water Quality TDS Test Meter with Backlit LCD Ebay.com starting at $16.99
Free Worldwide Shipping Expedited: Yes Next Day: No iSpring Water Systems Rating: 100.0% |
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Milwaukee MW802 PRO 3-in-1 pH, EC, TDS Combo Meter with ATC Ebay.com starting at $336.03
Free Flat Rate Domestic Shipping Calculated International Shipping Expedited: Yes Next Day: No balanceddeals Rating: 99.6% |
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Mettler Toledo FiveEasy Plus pH meter FP20-Std-Kit (Totally new in its box) Ebay.com starting at $749.00
Free Flat Rate Shipping Expedited: No Next Day: No Science Seller Rating: 100.0% |
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PH Meter Online Controller Digital Industrial PH Tester Water Quality Monitor Ebay.com starting at $126.00
Free Worldwide Shipping Expedited: No Next Day: No vetus-instruments Rating: 97.1% |
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Water Quality Monitor Conductivity Meter TDS Salinity Resistivity Temp Tester Ebay.com starting at $200.00
Free Worldwide Shipping Expedited: No Next Day: No vetus-instruments Rating: 97.1% |
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Milwaukee MW802 Smart 3-in-1 Portable Meter (pH/EC/TDS) ( MW802 ) Ebay.com starting at $204.95
Free Worldwide Shipping Expedited: Yes Next Day: No Alltronics LLC Rating: 99.7% |
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pH Conductivity TDS Salinity Meter Resistivity Tester Water Quality Analyzer Ebay.com starting at $693.00
Free Worldwide Shipping Expedited: No Next Day: No VETUS ELECTRONIC TECHNOLOGY Rating: 89.5% |
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Apera Instruments PH60-E Replacement Probe for PH60 Pocket pH Tester Ebay.com starting at $48.00
Free Worldwide Shipping Expedited: Yes Next Day: No Apera Instruments Rating: 83.3% |
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Fisher Scientific Accumet 13620132 PH / ATC Combination Electrode Probe Ebay.com starting at $99.99
Free Worldwide Shipping Expedited: Yes Next Day: No MountainWestSales Rating: 99.2% |
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Chlorine Dioxide Test Strips 0-500 ppm - 10pcs - Half width strips Ebay.com starting at $2.99
Free Flat Rate Shipping Expedited: No Next Day: No Pure Water Solution Rating: 98.6% |
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Corning pH Meter 430 No Probe READ Ebay.com starting at $17.49
Free Flat Rate Shipping Expedited: Yes Next Day: No GattiSell Rating: 99.5% |
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SALE 067 Body pH TEST Tape Paper Roll 4 Saliva & Urine Acid 5.5 Alkaline Health Ebay.com starting at $10.99
Free Worldwide Shipping Expedited: No Next Day: No and YOU shall find HEALTH Rating: 100.0% |
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METTLER TOLEDO SEVEN COMPACT S220 PH/ION METER W/ PROBE Ebay.com starting at $469.00
Free Worldwide Shipping Expedited: No Next Day: No greendogcomputer Rating: 100.0% |
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THERMO SCIENTIFIC ORION 3 STAR PH ISE BENCHTOP INCLUDES PROBE & AC ADAPTER Ebay.com starting at $50.00
Shipping Calculated by Location Expedited: No Next Day: No |
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YSI 556 MPS Handheld Multiparameter Instrument w/ Accessories & Manual NO CABLE Ebay.com starting at $700.00
Free Flat Rate Shipping Expedited: No Next Day: No |
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Mettler Toledo SevenMulti PH/Conductivity Laboratory Dual Function Meter 214B Ebay.com starting at $250.00
Free Worldwide Shipping Expedited: No Next Day: No Equipment Recycle Rating: 99.4% |
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Hanna Instruments HI98194 Multiparameter Meter pH/EC/DO Ebay.com starting at $999.99
Free Flat Rate Domestic Shipping Calculated International Shipping Expedited: Yes Next Day: No Trail Blaze Auctions Rating: 99.5% |
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Lab Conductivity Meter Cond Tester Wastewater Tester Water Quality Analyzer Ebay.com starting at $247.50
Free Worldwide Shipping Expedited: No Next Day: No vetus-instruments Rating: 97.1% |
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HACH HQ11d Portable pH Meter with Probes, Case & Extras Ebay.com starting at $800.00
$0.0 FreePickup Worldwide shipping Expedited: Yes Next Day: No Tool Liquidation Center Rating: 100.0% |
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APERA Instruments SX721 pH/ORP/Conductivity/TDS ++ Portable Meter Kit Ebay.com starting at $299.00
Free Worldwide Shipping Expedited: No Next Day: No Sharp_Compu1 Rating: 99.1% |
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🍀 RARE! Mettler Toledo SevenEasy pH Meter w InLab Expert Pro ISM Electrode Ebay.com starting at $399.99
Free Worldwide Shipping Expedited: No Next Day: No cjbrase Rating: 99.4% |
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HACH HQ40D PORTABLE MULTI-PROBE METER , HC#266 Ebay.com starting at $550.00
Free Worldwide Shipping Expedited: Yes Next Day: No HYDRAULIC AUTOMATIONS Rating: 100.0% |
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GLI HACHPRO-F3A1a pH ORP Transmitter w/ Mounts, Manual, & Warranty -NEW Ebay.com starting at $279.99
Shipping Calculated by Location Expedited: No Next Day: No Miami Pharma Rating: 100.0% |
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YSI ENVIRONMENTAL WATER QUALITY MONITORING SYSTEMS 610-DM Ebay.com starting at $150.00
Free Flat Rate Shipping Expedited: Yes Next Day: No SOLANO TRADERS Rating: 99.3% |
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Milwaukee MW802 pH, Conductivity, TDS Combination Meter with Electrode Ebay.com starting at $231.00
Free Worldwide Shipping Expedited: No Next Day: Yes TestEquipmentDepot Rating: 99.6% |
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YSI Pro Plus Multiparameter Water Quality Meter with Accessories Ebay.com starting at $1,100.00
Free Worldwide Shipping Expedited: No Next Day: No |
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Apera PH60S-Z Smart Spear pH Tester for Food and Solid Sampling pH Measurement Ebay.com starting at $275.00
Free Worldwide Shipping Expedited: Yes Next Day: No Apera Instruments Rating: 83.3% |
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86031 AZ Water Quality meter PH Conductivity SalinityDissolvedoxygenTemperate✦Kd Ebay.com starting at $369.30
Free Worldwide Shipping Expedited: No Next Day: No ZB_Electronic Rating: 98.5% |
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Industrial PH/ORP Control Meter Monitor Detection Sensor +5m Composite Electrode Ebay.com starting at $159.99
Free Worldwide Shipping Expedited: No Next Day: No HaiTaoGou-US Rating: 96.9% |
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Hach Conductivity Probe 50161 K=1.0 Ebay.com starting at $99.99
Free Worldwide Shipping Expedited: No Next Day: No Southwestern Sales Rating: 99.9% |
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Hanna Instruments HI981400-02 LCD Temperature Indicator pH Meter with Alarm Ebay.com starting at $62.39
Shipping Calculated by Location Expedited: Yes Next Day: No Great Lakes Supply Company Rating: 99.4% |
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4 in 1 Digital Water Quality Tester TDS/EC/PH/TEMP Meter Test Filter Pen US Ebay.com starting at $17.85
Free Worldwide Shipping Expedited: No Next Day: No xyz-electronic Rating: 98.9% |
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ATI Orion Model 128 Conductivity Meter w/ Probe and Case - Made in Germany Ebay.com starting at $179.97
Free Worldwide Shipping Expedited: Yes Next Day: Yes NEVRACA Rating: 99.6% |
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HACH 2100P TURBIDIMETER Ebay.com starting at $288.00
Free Flat Rate Shipping Expedited: No Next Day: No |
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Beckman 340 pH/temp meter, digital Ebay.com starting at $39.99
Free Worldwide Shipping Expedited: No Next Day: No Czubin Industries Rating: 99.7% |
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Thermo Scientific Orion 9102BNWP Combination pH Electrode Ebay.com starting at $99.99
$0.0 FreePickup Worldwide shipping Expedited: No Next Day: No BaneBio Consumables & Glassware Rating: 100.0% |
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Water Quality Tester Meter TDS Meter 3 Ebay.com starting at $6.99
Free Worldwide Shipping Expedited: No Next Day: No Magnetic Water Technology/RX Bottle Rating: 100.0% |
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Milwaukee, MW101 Automated Portable pH/Temperature Meter Ebay.com starting at $110.95
Free Worldwide Shipping Expedited: No Next Day: Yes Anatek Components Rating: 100.0% |
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Mettler Toledo SevenMulti PH/Conductivity Laboratory Dual Function Meter 216D Ebay.com starting at $250.00
Free Worldwide Shipping Expedited: No Next Day: No Equipment Recycle Rating: 99.4% |
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Mettler Toledo Seven Excellence Multiparameter PH/MV Ion Conductivity Meter 216C Ebay.com starting at $1,250.00
Free Worldwide Shipping Expedited: No Next Day: No Equipment Recycle Rating: 99.4% |
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HACH MULTI TOOL Ebay.com starting at $17.50
Free Flat Rate Shipping Expedited: Yes Next Day: No THE TOOL MAN SHOP Rating: 99.4% |
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Apera Instruments Value Series PH850 Portable Handheld pH Meter Kit Ebay.com starting at $174.99
Free Worldwide Shipping Expedited: Yes Next Day: No |
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Conductivity Meter Kit Resistivity TDS Salinity Temperature Tester Data storage Ebay.com starting at $186.00
Free Worldwide Shipping Expedited: No Next Day: No VETUS-METER Rating: 98.0% |
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Handheld Conductivity Meter Tester Lab Water Quality Monitor Ebay.com starting at $105.00
Free Worldwide Shipping Expedited: No Next Day: No VETUS-METER Rating: 98.0% |
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YSI 556 MPS Handheld DO pH ORP Multiparameter Water Quality Meter Ebay.com starting at $1,450.99
Free Flat Rate Shipping Expedited: Yes Next Day: No tangyue Rating: 96.4% |
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1PCS Portable Pen Digital TDS Meter Filter Measuring Water Quality Purity Tester Ebay.com starting at $2.59
Free Flat Rate Shipping Expedited: No Next Day: No Satisfy Electronics Rating: 99.5% |
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Hach HQ40D Multi Meter W/ PH Probe and Protective Case Ebay.com starting at $375.00
Free Flat Rate Shipping Expedited: Yes Next Day: No |
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Pro Soil EC & Temperature Tester (0.00~10.00mS/cm,-30.0~80.0°С) Probe Soil Meter Ebay.com starting at $42.76
Free Worldwide Shipping Expedited: No Next Day: No kaiixiinn Rating: 96.9% |
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Industrial online pH meter controller ORP/pH analyzer Transmitter Detector Monit Ebay.com starting at $160.55
Free Worldwide Shipping Expedited: No Next Day: No goodlei Rating: 100.0% |
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METTLER-TOLEDO SevenEasy PH DIGITAL METER AG 8603 , Power Supply (Tested) Ebay.com starting at $120.00
Shipping Calculated by Location Expedited: Yes Next Day: No |
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Charging Dock For Hach Sension Portable Conductivity pH Meter P/N: 5187560 Ebay.com starting at $49.99
Free Worldwide Shipping Expedited: No Next Day: No Landrum Electronics LLC Rating: 100.0% |
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Apera Instruments MP500 Temperature Probe, NTC 30 kohm thermisto, RCA, 3ft cable Ebay.com starting at $57.00
Free Worldwide Shipping Expedited: Yes Next Day: No Apera Instruments Rating: 83.3% |
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Apera PH8500-HF Portable pH Meter for Solutions containing Strong Acid Ebay.com starting at $452.00
Free Worldwide Shipping Expedited: Yes Next Day: No Apera Instruments Rating: 83.3% |
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Hanna Instruments Professional-Quality Water Testing Instruments Ebay.com starting at $90.00
Shipping Calculated by Location Expedited: No Next Day: No |
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Thermo Scientific Orion 3 Star Benchtop Conductivity Meter with Probe Ebay.com starting at $170.00
Free Flat Rate Domestic Shipping Calculated International Shipping Expedited: No Next Day: No L_Automation Rating: 100.0% |
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