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All AgricultureAll IndustrialAcuRiteAgricultural Structures & HardwareBarometersCalibrationChemicalsData RecordersElectrical TestingElectronic & Bench TestingFacility SafetyHealthcare EssentialsHumidity MonitorsKids TelescopesMotion, Speed, Force MeasurementMSANetwork and Cable TestersOxygen ConcentratorsPallet ScalesPatient CarePH and ThermometersPressure & VacuumScalesSurface TestingTelescopesTemperature & HumidityWater Quality & InstrumentationWeather StationsWeight, Sound, and Light MeasurementWind Speed Gauges
Calibration Meter(186)
Uses item details. Price when purchased online
Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New From $2.79
From$279
Zero Water Tester,Drinking Water Tester,Tds Water Tester,0-9990 Ppm Meter Water Quality Tester,Portable Water Tester for Drinking Water,Tds Meter Digital Water Tester,1 Pack — LAILLSH 2026 New
35 out of 5 Stars. 3 reviews
Clearance water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue From $1.49
From$149
water tester,tds meter,zero water tester,0-9990 ppm Digital Water Quality Tester Auto Calibration Easy to Use and Portable,,Professional Testing for Drinking Water,Dark Blue
Clearance 1 Packs Automatic Calibration pH Tester Pen, 0.01 High Precision Digital Water Quality Meter, Portable Acidity Alkalinity Tester for Aquarium, Pool, Hydroponics, Home, Lab, Food, Large LCD Screen From $5.89
5 options
Available in additional 5 optionsFrom$589
1 Packs Automatic Calibration pH Tester Pen, 0.01 High Precision Digital Water Quality Meter, Portable Acidity Alkalinity Tester for Aquarium, Pool, Hydroponics, Home, Lab, Food, Large LCD Screen
Suodoka Professional pH-007T Pen-Type pH Meter (15 cm / 5.9 inches) - High Precision Water Tester with ATC, Auto Calibration, Backlight LCD $18.34
$1834
current price $18.34Suodoka Professional pH-007T Pen-Type pH Meter (15 cm / 5.9 inches) - High Precision Water Tester with ATC, Auto Calibration, Backlight LCD
Nazarian Portable Digital pH Meter Pen with LCD Display High Accuracy Water Quality Tester for Aquarium, Pool, Hydroponics, Wine & Drinking Water Pocket-Size pH & TDS Meter with ATC Calibration $12.99
$1299
current price $12.99Nazarian Portable Digital pH Meter Pen with LCD Display High Accuracy Water Quality Tester for Aquarium, Pool, Hydroponics, Wine & Drinking Water Pocket-Size pH & TDS Meter with ATC Calibration
25 out of 5 Stars. 2 reviews
Handheld Digital Auto Calibration PH Meter Pen Lab Grade Precision Water Acidity Alkalinity Tester for Aquarium Hydroponics Home Brewing $7.68
$768
current price $7.68Handheld Digital Auto Calibration PH Meter Pen Lab Grade Precision Water Acidity Alkalinity Tester for Aquarium Hydroponics Home Brewing
iSpring 3-Button Digital TDS Water Quality Test Meter Kit with Temperature Calibration, 0.11 lb $15.99
$1599
current price $15.99iSpring 3-Button Digital TDS Water Quality Test Meter Kit with Temperature Calibration, 0.11 lb
174.1 out of 5 Stars. 17 reviews
Class 2 Decibel Meter Calibrator PCE-SC 43 $217.00
$21700
current price $217.00Class 2 Decibel Meter Calibrator PCE-SC 43
Clearance TDS Meter Digital Water Tester,Portable Drinking Water Tester,0-9999ppm Water Quality Tester,Auto Calibrating TDS Tester for Drinking Water,Aquariums,Pools,Hydroponics & Home Use Was $5.69
TDS Meter Digital Water Tester,Portable Drinking Water Tester,0-9999ppm Water Quality Tester,Auto Calibrating TDS Tester for Drinking Water,Aquariums,Pools,Hydroponics & Home Use
Bluelab PENPH pH Pen, Digital Meter for Water with Easy Two Point Calibration and Double Junction Probe Test Kit for Hydroponic System and Indoor Plant Grow, White $119.95
$11995
current price $119.95Bluelab PENPH pH Pen, Digital Meter for Water with Easy Two Point Calibration and Double Junction Probe Test Kit for Hydroponic System and Indoor Plant Grow, White
Digital PH Meter Automatic Calibration 0.01 and TDS Tester Probe Water Quality Test Monitor Aquarium Pool From $27.97
From$2797
Digital PH Meter Automatic Calibration 0.01 and TDS Tester Probe Water Quality Test Monitor Aquarium Pool
BOKYAN Professional Pen-Type pH Meter High Precision Water Quality Tester with Automatic Temperature Compensation ATC Auto Calibration Backlight LCD Acidity Tester Portable pH & TEMP Analysis Device
BOKYAN Professional Pen-Type pH Meter High Precision Water Quality Tester with Automatic Temperature Compensation ATC Auto Calibration Backlight LCD Acidity Tester Portable pH & TEMP Analysis Device
PH Test Pen Meter 0.01 Precision, Automatic Calibration Portable Water Quality, High Definition LCD Large Screen, Glass Electrode High Sensitivity, Removable Battery Pool Aquarium Lab
PH Test Pen Meter 0.01 Precision, Automatic Calibration Portable Water Quality, High Definition LCD Large Screen, Glass Electrode High Sensitivity, Removable Battery Pool Aquarium Lab
Digital PH-200 PH Meter COM-100 EC TDS Meter Temperature With Automatic Calibration Function PH Water Quality Pen Tester ,Multi-Parameter Meter - WHITE_HM PH-200 $164.98
$16498
current price $164.98Digital PH-200 PH Meter COM-100 EC TDS Meter Temperature With Automatic Calibration Function PH Water Quality Pen Tester ,Multi-Parameter Meter - WHITE_HM PH-200
Digital PH Meter Automatic calibration 0.01 and TDS Tester probe water quality test Monitor Aquarium Pool ,Reliable - PH METER_X $47.69
$4769
current price $47.69Digital PH Meter Automatic calibration 0.01 and TDS Tester probe water quality test Monitor Aquarium Pool ,Reliable - PH METER_X
Clearance Water Quality Tester (Tds Meter), Automated Atc Calibration (0-50C) Guarantees 2% Tds Accuracy For Hydroponic Nutrient Monitoring And Aquarium Salinity Verification, By Meiiso $4.49 Was $4.99
Now$449
current price Now $4.49, Was $4.99$4.99
Water Quality Tester (Tds Meter), Automated Atc Calibration (0-50C) Guarantees 2% Tds Accuracy For Hydroponic Nutrient Monitoring And Aquarium Salinity Verification, By Meiiso
Safeglitz Electronic Water Tester - TDS Water Quality Tester Pen, 0-9990ppm Digital Meter, Automatic Calibration, Drinking Water Purity Check, Hydroponics Nutrient Monitor, 1-3 Sec Reading, 1PC $5.99
$599
current price $5.99Safeglitz Electronic Water Tester - TDS Water Quality Tester Pen, 0-9990ppm Digital Meter, Automatic Calibration, Drinking Water Purity Check, Hydroponics Nutrient Monitor, 1-3 Sec Reading, 1PC
Digital PH Meter Pen Water Quality Tester Accuracy 0.01 Aquarium Pool Water Wine 0-999ppm Urine Automatic Calibration LCD Screen
Digital PH Meter Pen Water Quality Tester Accuracy 0.01 Aquarium Pool Water Wine 0-999ppm Urine Automatic Calibration LCD Screen
Level Sound Level Meter Calibrator for Microphone Professional Noise Decibel Calibration Tool ,Feature Packed $346.59
$34659
current price $346.59Level Sound Level Meter Calibrator for Microphone Professional Noise Decibel Calibration Tool ,Feature Packed
Yokua Digital PH Meter Automatic Calibration 0.01 Water Quality Test Water Tester
Yokua Digital PH Meter Automatic Calibration 0.01 Water Quality Test Water Tester
PHS-3C 2 In 1 PH Desktop Automatic Calibration Acidity Meter PH/Temp Multi-parameter Tester Laboratory Water Quality Analyzer $120.75
$12075
current price $120.75PHS-3C 2 In 1 PH Desktop Automatic Calibration Acidity Meter PH/Temp Multi-parameter Tester Laboratory Water Quality Analyzer
HK 7 in 1 Professional Digital Versatile Water Tester-TDS/EC/PH/Salt/S.G/OPR/Temperature, with Calibration Buffer Powder $25.99
$2599
current price $25.99HK 7 in 1 Professional Digital Versatile Water Tester-TDS/EC/PH/Salt/S.G/OPR/Temperature, with Calibration Buffer Powder
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5 IN 1 PH Temperature TDS EC Salinity Meter Digital Waterproof With Automatic Calibration Function Water Quality PH Tester From $51.47
From$5147
5 IN 1 PH Temperature TDS EC Salinity Meter Digital Waterproof With Automatic Calibration Function Water Quality PH Tester
Clearance REZUOFI 1 Pcs High Precision Digital PH Meter Tester Pen with Automatic Calibration for Water Quality Testing, Portable Acidity Alkalinity Detector From $5.66
2 options
Available in additional 2 optionsFrom$566
REZUOFI 1 Pcs High Precision Digital PH Meter Tester Pen with Automatic Calibration for Water Quality Testing, Portable Acidity Alkalinity Detector
50ML PH Meter Standard Solution Calibration 4.00/7.00/10.01/222mV ORP Tester From $10.69
7 options
Available in additional 7 optionsFrom$1069
50ML PH Meter Standard Solution Calibration 4.00/7.00/10.01/222mV ORP Tester
Digital PH Meter Automatic calibration 0.01 and TDS Tester probe water quality test Monitor Aquarium Pool ,Accurate - PH METER_X $46.57
$4657
current price $46.57Digital PH Meter Automatic calibration 0.01 and TDS Tester probe water quality test Monitor Aquarium Pool ,Accurate - PH METER_X
VEVOR pH Meter, 0-14 pH Range, IP68 Waterproof Probe, 3-Point Auto Calibration, Portable Tester Kit with Calibration Powder Packets, Temperature Probe, Carrying Case, for Drinking Water, Hydroponics $234.99
$23499
current price $234.99VEVOR pH Meter, 0-14 pH Range, IP68 Waterproof Probe, 3-Point Auto Calibration, Portable Tester Kit with Calibration Powder Packets, Temperature Probe, Carrying Case, for Drinking Water, Hydroponics
PHS-3C 2 In 1 PH Desktop Automatic Calibration Acidity Meter PH/Temp Multi-parameter Tester Laboratory Water Quality Analyzer ,Tool $178.91
$17891
current price $178.91PHS-3C 2 In 1 PH Desktop Automatic Calibration Acidity Meter PH/Temp Multi-parameter Tester Laboratory Water Quality Analyzer ,Tool
Portable Rechargeable Colorimeter Chromometer Handheld Spectrophotometer Color Meter Auto Calibration Color Difference Tester Color Measuring Instrument 6mm Test Aperture IPS $170.44
$17044
current price $170.44Portable Rechargeable Colorimeter Chromometer Handheld Spectrophotometer Color Meter Auto Calibration Color Difference Tester Color Measuring Instrument 6mm Test Aperture IPS
Fule pH Meter Calibration Solution ORP tester Accurate Reading for Plant Growth Test From $10.50
2 options
Available in additional 2 optionsFrom$1050
Fule pH Meter Calibration Solution ORP tester Accurate Reading for Plant Growth Test
Tuy/a Bluetooth 5 In 1 PH Temperature TDS EC CF Meter Digital PH Tester Automatic Calibration Function Water Quality Detector $83.02
$8302
current price $83.02Tuy/a Bluetooth 5 In 1 PH Temperature TDS EC CF Meter Digital PH Tester Automatic Calibration Function Water Quality Detector
Professional COM-100 EC Analyzer TDS Meter Temp Tester With Automatic Calibration And Data Hold Measurement Tools For Pool $126.98
$12698
current price $126.98Professional COM-100 EC Analyzer TDS Meter Temp Tester With Automatic Calibration And Data Hold Measurement Tools For Pool
Milwaukee Instruments Milwaukee MW100 Ph Meter With 2 Point Manual Calibration $158.70
$15870
current price $158.70Milwaukee Instruments Milwaukee MW100 Ph Meter With 2 Point Manual Calibration
Digital PH Meter Automatic calibration 0.01 and TDS Tester probe water quality test Monitor Aquarium Pool ,Multifunctional $47.31
$4731
current price $47.31Digital PH Meter Automatic calibration 0.01 and TDS Tester probe water quality test Monitor Aquarium Pool ,Multifunctional
Digital AP-2 EC Meter 2 In 1 EC Temperature Water Quality With Automatic Calibration Electrical Conductivity Tester ,Multifunctional $64.80
$6480
current price $64.80Digital AP-2 EC Meter 2 In 1 EC Temperature Water Quality With Automatic Calibration Electrical Conductivity Tester ,Multifunctional
Accurate e Analog Hygrometer Cigar Humidity Calibration Gauge With Glass Lens $7.95
$795
current price $7.95Accurate e Analog Hygrometer Cigar Humidity Calibration Gauge With Glass Lens
Portable Automatic Calibration Ph Test Pen - 0.01 Precision Digital Ph Tester for Water, Aquariums & Laboratory Use, Easy-to-Read Display, Durable Home/Work Measuring Tool, 1.2*6.1in, Yellow $4.97
$497
current price $4.97Portable Automatic Calibration Ph Test Pen - 0.01 Precision Digital Ph Tester for Water, Aquariums & Laboratory Use, Easy-to-Read Display, Durable Home/Work Measuring Tool, 1.2*6.1in, Yellow
Water PH Tester with Automatic Calibration, Portable 0.01 Precision PH Meter for Water Testing
Water PH Tester with Automatic Calibration, Portable 0.01 Precision PH Meter for Water Testing
KFFKFF Food pH Meter, 0-14 pH Range, Waterproof Probe, Compact Tester Kit with Temperature Adjustment, Calibration Powder Included, Clear Display, Suitable for Fermentation, Dough, and Meat $151.99
$15199
current price $151.99KFFKFF Food pH Meter, 0-14 pH Range, Waterproof Probe, Compact Tester Kit with Temperature Adjustment, Calibration Powder Included, Clear Display, Suitable for Fermentation, Dough, and Meat
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