pH, Conductivity & TDS Meters
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2,744 Results
New ListingHach DR3900
$277.002 bids$35.00 shippingEnding Tuesday at 3:29PM PDT2d 4hMW500 Standard Portable ORP Meter - Milwaukee Instruments No Lead
$55.96Was: $69.95or Best OfferFree shippinghach sc200 controller
$200.00or Best OfferFree shippingDr.meter Upgraded High Accuracy Backlit Two-Color LCD Display pH Meter with ATC
$29.99Free shippingOnly 1 left!Hach HQ2200 pH/DO/Conductivity Meter NEW
$2,400.00$12.32 shippingYSI ProDSS Water Quality Meter GPS 4 Port Cable Assembly Turbidity Sensor NEW
$5,999.99or Best OfferFree shippingMETTLER TOLEDO INLAB 413 52-000-100 ELECTRODE USED IN ORIGINAL BOX-MULTIPLE
$50.00or Best Offer$12.99 shippingApera Instruments SX811-MS Portable pH Meter
$39.00$8.45 shippingNew ListingOakton Ph 5 Meter With Case. Has Everything But Ph Electrode New Never Used
$13.501 bid$16.45 shippingEnding Saturday at 11:00AM PDT6dCorning pH Meter 430 No Probe READ
$17.49Was: $24.99or Best Offer$10.99 shippingMettler Toledo pH Sensor InPro3250i/SG/120 52005373
$395.00or Best OfferFree shippingMesa Labs Neo-2 Meter (R16)
$250.00$15.00 shippingApera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit
(16)16 product ratings - Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit$79.99Was: $99.99or Best Offer$10.80 shipping9 watchingApera EC60-Z Smart Bluetooth Conductivity EC/TDS/Sal/Res Tester KIT for Water.
$132.00or Best OfferMettler Toledo SevenCompact S220 pH Meter, InLab Export Pro Probe Stand Tested
$779.00or Best Offer$60.65 shipping10 watchingHanna Instruments Primo EC and TDS Testers Conductivity Meter
$5.001 bid$5.15 shippingEnding Today at 12:56PM PDT2h 1mBenefits charityDenver Instruments Model 215 pH Meter
$69.99$20.00 shippingAccumet excel XL 15 pH Meter, Touchscreen, Fisher Scientific
$129.00or Best OfferFree shippingBarnant 559-3800 Digi Sense Digital PH/MV/ORP Meter
$125.99or Best OfferThermo Scientific Orion Star A211 A-Series Benchtop pH Meter Lab Instrument
$69.99or Best Offer$11.78 shippingHach HQ40d Portable Multi-probe Multi Handheld Meter
$390.99Trending at $400.00eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.VIVOSUN Soil Tester, 3-in-1 Plant Moisture Meter Light PH Tester
$11.39Was: $11.99or Best OfferFree shippingHM Digital TDS-4 Pocket Size TDS Tester Meter with 0-9990 ppm Measurement Range
$6.95Trending at $9.10eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.or Best Offer$6.95 shippingMilwaukee, MW101 Automated Portable pH/Temperature Meter
$110.95Free shippingHanna Instruments Primo EC and TDS Testers Conductivity Meter
$20.00Was: $25.00or Best Offer$8.30 shippingPH Meter, TDS&EC PPM Meter Water Tester for Household Drinking,Pool and Aquarium
$8.99 to $29.99Was: $11.99Free shipping74 soldHach HQ1140 Portable Dedicated Conductivity/TDS Meter
$800.00or Best Offer$35.00 shippingMilwaukee, MW100 Low Cost Portable pH Tester/Meter
$98.95Free shippingAccumet Basic AB15 Plus pH Meter
$119.00or Best OfferFree shippingAtlas Scientific Lab Grade pH Probe 1 x Double junction silver / silver chloride
$60.00or Best Offer$13.45 shippingHach Sens ION156 54650-60 PH/Conductivity/Dissolved Oxygen Multi-Parameter Meter
$89.99or Best OfferFree shippingAccumet AR50 Dual Channel pH/Ion/Conductivity Meter
$69.00or Best OfferFree shippingSchott Instruments Lab 860 PH Meter
$199.00Free shippingMettler Toledo SevenMulti Dual pH/Conductivity Meter
$424.15Was: $499.00Free shippingLot of 3 Thermo Scientific Orion Probes pH ATC 927005MD 9157BNMD 927007MD
$129.00or Best OfferFree shippingHanna Instruments HI 9813-6 PH/EC/TDS/temp. Meter
$70.00or Best Offer$11.40 shippingWater analysis PH meter automatic Industry online pH/ORP controller ph sensor
$74.25 to $314.25Was: $289.00Free shippingFisher Scientific AB15 pH Meter Accumet Basic
$164.75or Best OfferFree shipping