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All AgricultureAll IndustrialAcuRiteAgricultural Structures & HardwareBarometersCalibrationChemicalsData RecordersElectrical TestingElectronic & Bench TestingHealthcare EssentialsHumidity MonitorsKids TelescopesMicroscopesMotion, Speed, Force MeasurementNetwork and Cable TestersOxygen ConcentratorsPatient CarePH and ThermometersPressure & VacuumScalesSurface TestingTelescopesTemperature & HumidityWater Quality & InstrumentationWeather StationsWeight, Sound, and Light MeasurementWind Speed Gauges
Calibration Meter(180)
Uses item details. Price when purchased online
KFFKFF Portable Dissolved Oxygen Meter, 0.0-50.0 mg/L Range, Handheld Oxygen Tester with 13.1 ft Probe Cable, Bluetooth/USB Connectivity, 750 Data Points Storage, Ideal for Aquatic Environments $499.99
Sponsored
$49999
current price $499.99KFFKFF Portable Dissolved Oxygen Meter, 0.0-50.0 mg/L Range, Handheld Oxygen Tester with 13.1 ft Probe Cable, Bluetooth/USB Connectivity, 750 Data Points Storage, Ideal for Aquatic Environments
Best seller Presidium Instruments Gem Tester II with Assisted Thermal Calibration for Identifying Diamonds/Moissanites and Common Colored Gemstones $289.00
Best seller
$28900
current price $289.00Presidium Instruments Gem Tester II with Assisted Thermal Calibration for Identifying Diamonds/Moissanites and Common Colored Gemstones
3.9 out of 5 stars
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
Clearance
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
NFTIGB 2 in 1 Digital pH and Temperature Meter, 0-14 pH Range, Automatic 2 Point Calibration Household Water Tester Pen $38.45
$3845
current price $38.45NFTIGB 2 in 1 Digital pH and Temperature Meter, 0-14 pH Range, Automatic 2 Point Calibration Household Water Tester Pen
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 $5.49
From$549
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
4.2 out of 5 stars
Reduced price Electronic Water Tester Digital TDS Meter 09990 PPM Portable Water Test Pen With LCD Display Auto Calibration For Drinking Water Aquariums Pools Hydroponics Home Use,tds meter,zero water tester $5.06 Was $5.68
Reduced price
Now$506
current price Now $5.06, Was $5.68$5.68
Electronic Water Tester Digital TDS Meter 09990 PPM Portable Water Test Pen With LCD Display Auto Calibration For Drinking Water Aquariums Pools Hydroponics Home Use,tds meter,zero water tester
Handheld Digital Auto Calibration PH Meter Pen Lab Grade Precision Water Acidity Alkalinity Tester for Aquarium Hydroponics Home Brewing $11.31
$1131
current price $11.31Handheld Digital Auto Calibration PH Meter Pen Lab Grade Precision Water Acidity Alkalinity Tester for Aquarium Hydroponics Home Brewing
NFTIGB Professional pH-007T Pen-Type pH Meter High Precision Acidity Tester with ATC Auto Calibration Backlight LCD Water Quality Analysis Device $21.85
$2185
current price $21.85NFTIGB Professional pH-007T Pen-Type pH Meter High Precision Acidity Tester with ATC Auto Calibration Backlight LCD Water Quality Analysis Device
Accuracy Real-time Sample Rate Fully PC Calibration Handheld Oscilloscope Digital Multimeter ,Professional Designed $881.93 Was $1,302.07
Now$88193
current price Now $881.93, Was $1,302.07$1,302.07
Accuracy Real-time Sample Rate Fully PC Calibration Handheld Oscilloscope Digital Multimeter ,Professional Designed
Portable Rechargeable Colorimeter Chromometer Handheld Spectrophotometer Color Meter Auto Calibration Color Difference Tester ,Convenient $434.50 Was $519.29
Now$43450
current price Now $434.50, Was $519.29$519.29
Portable Rechargeable Colorimeter Chromometer Handheld Spectrophotometer Color Meter Auto Calibration Color Difference Tester ,Convenient
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 $8.99
$899
current price $8.99PH 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
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 $5.00
Clearance
Now$449
current price Now $4.49, Was $5.00$5.00
Water Quality Tester (Tds Meter), Automated Atc Calibration (0-50C) Guarantees 2% Tds Accuracy For Hydroponic Nutrient Monitoring And Aquarium Salinity Verification, By Meiiso
Meter Digital Water Tester, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools,Auto-Calibration,1-3s Quick Precise Readings,Blue,0.9x5.5" $5.29
$529
current price $5.29Meter Digital Water Tester, Electronic Water Tester with 0-9990 PPM Measurement Range,Digital Water Test Pen for Farming, Aquariums,Pools,Auto-Calibration,1-3s Quick Precise Readings,Blue,0.9x5.5"
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
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
5 out of 5 stars
Class 2 Decibel Meter Calibrator PCE-SC 43 $197.98
$19798
current price $197.98Class 2 Decibel Meter Calibrator PCE-SC 43
Professional Digital ORP Tester Pen Model ORP-969 High Stability Water Quality Meter Backlight Design with Plastic Storage Box and Calibration Screwdriver for Aquariums Pools Hydroponics 7.4x2.7 in $33.84
$3384
current price $33.84Professional Digital ORP Tester Pen Model ORP-969 High Stability Water Quality Meter Backlight Design with Plastic Storage Box and Calibration Screwdriver for Aquariums Pools Hydroponics 7.4x2.7 in
Portable Rechargeable Colorimeter Chromometer Handheld Spectrophotometer Color Meter Auto Calibration Color Difference Tester ,Convenient $417.40 Was $498.85
Now$41740
current price Now $417.40, Was $498.85$498.85
Portable Rechargeable Colorimeter Chromometer Handheld Spectrophotometer Color Meter Auto Calibration Color Difference Tester ,Convenient
50ML PH Meter Standard Solution Calibration 4.00/7.00/10.01/222mV ORP Tester From $10.99
2 options
Available in additional 2 optionsFrom$1099
50ML PH Meter Standard Solution Calibration 4.00/7.00/10.01/222mV ORP Tester
Clearance Precision PH Meter Pen For Accurate Alkalinity And Acidity Testing Handheld Digital PH Tester With Auto Calibration Lab Grade Measurement For Home Brewing Aquariums Hydroponics $8.37 Was $9.30
Clearance
Now$837
current price Now $8.37, Was $9.30$9.30
Precision PH Meter Pen For Accurate Alkalinity And Acidity Testing Handheld Digital PH Tester With Auto Calibration Lab Grade Measurement For Home Brewing Aquariums Hydroponics
Fule pH Meter Calibration Solution ORP tester Accurate Reading for Plant Growth Test Was $10.50
Fule pH Meter Calibration Solution ORP tester Accurate Reading for Plant Growth Test
Clearance 2 Pack TDS Meter Digital Water Tester, 0-9990 PPM Water Quality Test Pen with Auto Calibration for Drinking Water, Aquariums, Pools, Hydroponics $5.11 Was $5.99
Clearance
Now$511
current price Now $5.11, Was $5.99$5.99
2 Pack TDS Meter Digital Water Tester, 0-9990 PPM Water Quality Test Pen with Auto Calibration for Drinking Water, Aquariums, Pools, Hydroponics
Portable Digital pH Tester Pen with 0.01 High Precision, Large LCD Screen, and Automatic Calibration for Water Quality Testing $4.99
$499
current price $4.99Portable Digital pH Tester Pen with 0.01 High Precision, Large LCD Screen, and Automatic Calibration for Water Quality Testing
Suodoka Professional pH-007T Pen-Type pH Meter (15 cm / 5.9 inches) - High Precision Water Tester with ATC, Auto Calibration, Backlight LCD $17.85
$1785
current price $17.85Suodoka Professional pH-007T Pen-Type pH Meter (15 cm / 5.9 inches) - High Precision Water Tester with ATC, Auto Calibration, Backlight LCD
Clearance Water PH Tester with Automatic Calibration, Portable 0.01 Precision PH Meter for Water Testing $6.80 Was $13.19
Clearance
Now$680
current price Now $6.80, Was $13.19$13.19
Water PH Tester with Automatic Calibration, Portable 0.01 Precision PH Meter for Water Testing
Digital pH Meter Pen Precision Handheld Tester for Water Alkalinity Acidity Auto-Calibration Lab Grade for Aquariums Hydroponics Home Brewing $11.31
$1131
current price $11.31Digital pH Meter Pen Precision Handheld Tester for Water Alkalinity Acidity Auto-Calibration Lab Grade for Aquariums Hydroponics Home Brewing
Yokua Digital PH Meter Automatic Calibration 0.01 Water Quality Test Water Tester Was $10.94
Yokua Digital PH Meter Automatic Calibration 0.01 Water Quality Test Water Tester
Nnndbs Digital pH Meter Pen, 0.00-14.00 High Accuracy Water pH Tester with Backlit LCD, Automatic Calibration for Hydroponics Aquarium Pool Drinking Water $7.17 Was $7.99
Now$717
current price Now $7.17, Was $7.99$7.99
Nnndbs Digital pH Meter Pen, 0.00-14.00 High Accuracy Water pH Tester with Backlit LCD, Automatic Calibration for Hydroponics Aquarium Pool Drinking Water
YG60S 60 Degree Economic Gloss Meter Glossmeter 0 to 200GU with Auto-Calibration for Ink Ceramic $100.85
$10085
current price $100.85YG60S 60 Degree Economic Gloss Meter Glossmeter 0 to 200GU with Auto-Calibration for Ink Ceramic
Instant 4-In-1 Tds Meter Digital Water Tester, Digital Testing Pen for Aquarium, Auto Calibration Portable Tds Pen for Drinking Water Hydroponics $2.09 Was $2.34
Now$209
current price Now $2.09, Was $2.34$2.34
Instant 4-In-1 Tds Meter Digital Water Tester, Digital Testing Pen for Aquarium, Auto Calibration Portable Tds Pen for Drinking Water Hydroponics
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 $139.77
$13977
current price $139.77Digital 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
HG268 Gloss Meter 20 60 85 Degree Digital Glarimeter Tri-angle Glossmeter Gloss Meter With Auto-Calibration Function ,Easy to Use $804.12 Was $856.36
Now$80412
current price Now $804.12, Was $856.36$856.36
HG268 Gloss Meter 20 60 85 Degree Digital Glarimeter Tri-angle Glossmeter Gloss Meter With Auto-Calibration Function ,Easy to Use
Digital Temp H2 Hydrogen-rich Meter 0-2990ppb Auto-Calibration Blue Tooth APP Online Monitor Drinking Water Quality Tester Tool ,Multifunctional $51.44
$5144
current price $51.44Digital Temp H2 Hydrogen-rich Meter 0-2990ppb Auto-Calibration Blue Tooth APP Online Monitor Drinking Water Quality Tester Tool ,Multifunctional
Level Sound Level Meter Calibrator for Microphone Professional Noise Decibel Calibration Tool ,Feature Packed $234.75 Was $292.13
Now$23475
current price Now $234.75, Was $292.13$292.13
Level Sound Level Meter Calibrator for Microphone Professional Noise Decibel Calibration Tool ,Feature Packed
Quality analyzer,Compensation Atc Function Professional Ph Meter Ph-007t Pen-type Calibration And Lcd Meter Precision With Auto Calibration And Function Auto Calibration Laoshe Red ATC & LCD $14.63
$1463
current price $14.63Quality analyzer,Compensation Atc Function Professional Ph Meter Ph-007t Pen-type Calibration And Lcd Meter Precision With Auto Calibration And Function Auto Calibration Laoshe Red ATC & LCD
Digital PH Meter Automatic calibration 0.01 and TDS Tester probe water quality test Monitor Aquarium Pool ,Multifunctional $32.98
$3298
current price $32.98Digital PH Meter Automatic calibration 0.01 and TDS Tester probe water quality test Monitor Aquarium Pool ,Multifunctional
Electronic Water Tester Pen Digital TDS Test Meter for Farming Aquariums Pools Hydroponics Drinking Water Measurement Auto Calibration Pocket Size Was $5.70
Electronic Water Tester Pen Digital TDS Test Meter for Farming Aquariums Pools Hydroponics Drinking Water Measurement Auto Calibration Pocket Size
Digital Meter Pen, 0-14 High Accuracy Auto Calibration Water Tester for Soil, Hydroponics & Drinking Water Analysis $14.96
$1496
current price $14.96Digital Meter Pen, 0-14 High Accuracy Auto Calibration Water Tester for Soil, Hydroponics & Drinking Water Analysis
Black+Green pH Meter with Three-Point Calibration, Perfect for Various Liquid Testing Needs $11.94
$1194
current price $11.94Black+Green pH Meter with Three-Point Calibration, Perfect for Various Liquid Testing Needs
YG60S 60 Degree Economic Gloss Meter Glossmeter 0 to 200GU with Auto-Calibration for Paints Ink Ceramic Marble $104.88
$10488
current price $104.88YG60S 60 Degree Economic Gloss Meter Glossmeter 0 to 200GU with Auto-Calibration for Paints Ink Ceramic Marble
Digital PH and TDS Water Quality Tester Meter, 0.01 High Accuracy Water Testing Tool with ATC Auto Calibration & LCD Hold Function, for Drinking Water, Aquariums, Pools and Hydroponic Systems $7.49
$749
current price $7.49Digital PH and TDS Water Quality Tester Meter, 0.01 High Accuracy Water Testing Tool with ATC Auto Calibration & LCD Hold Function, for Drinking Water, Aquariums, Pools and Hydroponic Systems
Other options to consider(247)
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