Cheap GAIN EXPRESS pH Meters

144 PH Meters By GAIN EXPRESS Brand Found. Average value products in PH Meters rubric: $20. GAIN EXPRESS brand products are 78% more expensive than others.

PH Meters Brands / GAIN EXPRESS CatalogJUANJUAN, Yieryi, OOTDTY, KKMOON, Alloet, FGHGF, ANENG, Shanwen, VAHIGCY, ACEHE, Easyover, BSIDE, Meterk, VKTECH, Kebidumei and 346 more

PH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller
Price: $2.59
GAIN EXPRESSPH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor ControllerPh Meters China
Innovative Life Store
2-in-1 Combo PH & Temperature Water Quality Meter Tester w/ Replaceable Electrode Dual Display for Aquariums Hydroponics Lab
Price: $2.61
Old Price: $2.9
GAIN EXPRESS2-in-1 Combo PH & Temperature Water Quality Meter Tester w/ Replaceable Electrode Dual Display for Aquariums Hydroponics LabPh Meters
Ideal Concept Store
PH Powder Calibration Solution 4.01 7.00 10.01 pH set
Price: $2.73
Old Price: $2.9
GAIN EXPRESSPH Powder Calibration Solution 4.01 7.00 10.01 pH setPh Meters
GAIN EXPRESS HOLDINGS Seller
5 sets x pH Powder Calibration Solution pH4.01, pH7.00, & pH10.01(3 packs per set)
Price: $3.7
Old Price: $3.9
GAIN EXPRESS5 sets x pH Powder Calibration Solution pH4.01, pH7.00, & pH10.01(3 packs per set)Ph Meters
Ideal Concept Store
Digital Pentype pH Meter Liquid Acidity Water Quality Tester w/ 0.01pH Accuracy Laboratory, Household, Spa, Pool, Aquarium
Price: $3.97
Old Price: $4.26
GAIN EXPRESSDigital Pentype pH Meter Liquid Acidity Water Quality Tester w/ 0.01pH Accuracy Laboratory, Household, Spa, Pool, AquariumPh Meters
Innovative Life Store
Digital Pen type pH Meter Water Quality Liquid Acidity Tester 0.01pH Accuracy for Laboratory, Household Water, Spa, Pool
Price: $4.01
Old Price: $4.26
GAIN EXPRESSDigital Pen type pH Meter Water Quality Liquid Acidity Tester 0.01pH Accuracy for Laboratory, Household Water, Spa, PoolPh Meters China
GAIN EXPRESS HOLDINGS Seller
Pentype Water Quality pH Meter Liquid Acidity Tester 0.01pH Accuracy for Aquarium, Pool, Spa, Laboratory, Household
Price: $4.05
Old Price: $4.26
GAIN EXPRESSPentype Water Quality pH Meter Liquid Acidity Tester 0.01pH Accuracy for Aquarium, Pool, Spa, Laboratory, HouseholdPh Meters
Ideal Concept Store
2-in-1 TDS / EC Meter Temperature Measurement with ATC Water Quality Tester for Water Analysis Hydroponics Aquaculture
Price: $5.61
GAIN EXPRESS2-in-1 TDS / EC Meter Temperature Measurement with ATC Water Quality Tester for Water Analysis Hydroponics AquaculturePh Meters China
Innovative Life Store
Pentype 2-in-1 TDS / EC Meter with ATC Digital Water Quality Tester Temperature Measurement for Water Analysis Hydropinics
Price: $5.78
GAIN EXPRESSPentype 2-in-1 TDS / EC Meter with ATC Digital Water Quality Tester Temperature Measurement for Water Analysis HydropinicsPh Meters
GAIN EXPRESS HOLDINGS Seller
Pentype 2-in-1 TDS / EC Meter Water Quality Temperature Tester w/ ATC for Water Analysis Hydroponics Aquaculture
Price: $5.83
GAIN EXPRESSPentype 2-in-1 TDS / EC Meter Water Quality Temperature Tester w/ ATC for Water Analysis Hydroponics AquaculturePh Meters
Ideal Concept Store
PH Electrode BNC Type Probe w/ Calibration Powder(pH4.00/pH6.86/pH9.18) Long Cable 150cm/200cm/300cm for Wide Liquid Application
Price: $6.8
Old Price: $8.5
GAIN EXPRESSPH Electrode BNC Type Probe w/ Calibration Powder(pH4.00/pH6.86/pH9.18) Long Cable 150cm/200cm/300cm for Wide Liquid ApplicationPh Meters
Ideal Concept Store
High Accuracy pH Electrode with Calibration Powder, 0-14 pH Glass Bulb Probe with BNC Connector 300cm Cable for Wide Application
Price: $6.8
Old Price: $8.5
GAIN EXPRESSHigh Accuracy pH Electrode with Calibration Powder, 0-14 pH Glass Bulb Probe with BNC Connector 300cm Cable for Wide ApplicationPh Meters
Innovative Life Store
PH Electrode Probe 0-14pH with Calibration Powder BNC Connector & 300cm Cable for Wide Application
Price: $7.12
Old Price: $8.9
GAIN EXPRESSPH Electrode Probe 0-14pH with Calibration Powder BNC Connector & 300cm Cable for Wide ApplicationPh Meters
GAIN EXPRESS HOLDINGS Seller
Optional Replaceable Electrode For Waterproof Temperature Tester Ph Meter
Price: $7.32
GAIN EXPRESSOptional Replaceable Electrode For Waterproof Temperature Tester Ph MeterPh Meters
Ideal Concept Store
Pen-type PH Meter Digital Water Quality Tester, 0~14pH for Hydroponics Aquarium Pool Wine Cola Urine Water Tank with Clear LCD
Price: $8.57
GAIN EXPRESSPen-type PH Meter Digital Water Quality Tester, 0~14pH for Hydroponics Aquarium Pool Wine Cola Urine Water Tank with Clear LCDPh Meters
RED Protools Store
PH Electrode BNC Type Probe w/ Calibration Powder (pH 4.00/pH 6.86/pH 9.18), 150cm/200cm/300cm for Wide Liquid Application
Price: $8.84
GAIN EXPRESSPH Electrode BNC Type Probe w/ Calibration Powder (pH 4.00/pH 6.86/pH 9.18), 150cm/200cm/300cm for Wide Liquid ApplicationPh Meters
Innovative Life Store
Digital Soil Survey Meter Instrument 4-in-1 Sunlight / Moisture / Soil pH / Temperature Tester w/ Backlight for Lawns and Plants
Price: $8.93
Old Price: $9.5
GAIN EXPRESSDigital Soil Survey Meter Instrument 4-in-1 Sunlight / Moisture / Soil pH / Temperature Tester w/ Backlight for Lawns and PlantsPh Meters
GAIN EXPRESS HOLDINGS Seller
Pen-type Digital EC Conductivity Meter Tester 0~19.99ms/cm + Electrode + ATC
Price: $9.27
GAIN EXPRESSPen-type Digital EC Conductivity Meter Tester 0~19.99ms/cm + Electrode + ATCPh Meters
RED Protools Store
4 in 1 Digital pH Meter measure Soil PH/ Temperature / Moisture / Sunlight Tester with Backlight
Price: $9.27
GAIN EXPRESS4 in 1 Digital pH Meter measure Soil PH/ Temperature / Moisture / Sunlight Tester with BacklightPh Meters
RED Protools Store
200cm Replacement pH Electrode with Calibration Powder, Highly Accurate Probe w/ BNC Connector for Continuous Liquid Measurement
Price: $9.6
Old Price: $12
GAIN EXPRESS200cm Replacement pH Electrode with Calibration Powder, Highly Accurate Probe w/ BNC Connector for Continuous Liquid MeasurementPh Meters China
Ideal Concept Store
300cm Cable for PH Meter Monitor Controller 0-14 pH Electrode Probe BNC Connector, Replacement Kit for Aquarium Hydroponics
Price: $10.35
GAIN EXPRESS300cm Cable for PH Meter Monitor Controller 0-14 pH Electrode Probe BNC Connector, Replacement Kit for Aquarium HydroponicsPh Meters
Ideal Concept Store
Handheld Heavy Duty pH Electrode Probe BNC 0.00 to 14.00pH Range + 300cm Cable + 2 Calibration Buffer Solution
Price: $10.44
GAIN EXPRESSHandheld Heavy Duty pH Electrode Probe BNC 0.00 to 14.00pH Range + 300cm Cable + 2 Calibration Buffer SolutionPh Meters
RED Protools Store
Handheld Heavy Duty pH Electrode Probe BNC 0.00 to 14.00pH Range + 300cm Cable + 2 Calibration Buffer Solution
Price: $13.8
GAIN EXPRESSHandheld Heavy Duty pH Electrode Probe BNC 0.00 to 14.00pH Range + 300cm Cable + 2 Calibration Buffer SolutionPh Meters
RED Protools Store
Digital pH Monitor Meter ATC 0.00~14.00pH 1-1.5M Cable Electrode Probe Water Quality Tester Kit Spa Tank Pool Aquarium Lab
Price: $13.86
Old Price: $14.74
GAIN EXPRESSDigital pH Monitor Meter ATC 0.00~14.00pH 1-1.5M Cable Electrode Probe Water Quality Tester Kit Spa Tank Pool Aquarium LabPh Meters
GAIN EXPRESS HOLDINGS Seller
Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe Mini Portable Water Quality Monitoring Tester Kit
Price: $13.86
Old Price: $14.9
GAIN EXPRESSDigital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe Mini Portable Water Quality Monitoring Tester KitPh Meters
Innovative Life Store
Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester Kit
Price: $13.86
Old Price: $14.74
GAIN EXPRESSDigital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester KitPh Meters
GAIN EXPRESS HOLDINGS Seller
Flexible Pocket Size PH Meter Water Quality Tester 360degree Angle Display 0.00~14.00pH Range Hydroponics Aquariums Pools
Price: $14.82
GAIN EXPRESSFlexible Pocket Size PH Meter Water Quality Tester 360degree Angle Display 0.00~14.00pH Range Hydroponics Aquariums PoolsPh Meters
GAIN EXPRESS HOLDINGS Seller
Pen type pH & Temperature Meter Tester 0.00-14.00pH & 0.0-55.0degC Range Water Quality Tester Kit w/ ATC Dual-level LCD
Price: $14.94
GAIN EXPRESSPen type pH & Temperature Meter Tester 0.00-14.00pH & 0.0-55.0degC Range Water Quality Tester Kit w/ ATC Dual-level LCDPh Meters
GAIN EXPRESS HOLDINGS Seller
Digital Pen-type Redox Meter -1999mV~1999mV Millivolts Backlight LCD Pool Aquarium ORP Water Quality Tester
Price: $15.1
GAIN EXPRESSDigital Pen-type Redox Meter -1999mV~1999mV Millivolts Backlight LCD Pool Aquarium ORP Water Quality TesterPh Meters
RED Protools Store
Digital pH Monitor Meter ATC 0~14.00pH Replaceable Electrode Probe BNC Water Quality Monitoring Tester Kit Aquarium Hydroponics
Price: $15.57
GAIN EXPRESSDigital pH Monitor Meter ATC 0~14.00pH Replaceable Electrode Probe BNC Water Quality Monitoring Tester Kit Aquarium HydroponicsPh Meters China
RED Protools Store
Digital Chlorine Tester, PH & Chlorine Cl2 Level Meter Tester Test Monitor Swimming Pool Spa Water monitor Quality Analysis
Price: $16.04
GAIN EXPRESSDigital Chlorine Tester, PH & Chlorine Cl2 Level Meter Tester Test Monitor Swimming Pool Spa Water monitor Quality AnalysisPh Meters
RED Protools Store
Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester Kit Aquarium Spa
Price: $16.05
GAIN EXPRESSDigital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester Kit Aquarium SpaPh Meters
RED Protools Store
Digital pH Monitor Meter ATC 0~14.00pH Water Quality Monitoring Tester Kit Replaceable Electrode Probe BNC
Price: $16.3
GAIN EXPRESSDigital pH Monitor Meter ATC 0~14.00pH Water Quality Monitoring Tester Kit Replaceable Electrode Probe BNCPh Meters
Ideal Concept Store
Digital pH Monitor Meter ATC 0~14.00pH Replaceable Electrode Probe Mini Portable Water Quality Monitoring Tester Kit
Price: $17.38
GAIN EXPRESSDigital pH Monitor Meter ATC 0~14.00pH Replaceable Electrode Probe Mini Portable Water Quality Monitoring Tester KitPh Meters
Innovative Life Store
Digital pH Monitor Meter ATC 0~14.00pH Replaceable Electrode Probe BNC Water Quality Monitoring Tester Kit Aquarium Hydroponics
Price: $17.38
GAIN EXPRESSDigital pH Monitor Meter ATC 0~14.00pH Replaceable Electrode Probe BNC Water Quality Monitoring Tester Kit Aquarium HydroponicsPh Meters
GAIN EXPRESS HOLDINGS Seller
PH & Chlorine Cl2 Level Meter Tester, Digital Chlorine Tester, Test Monitor Swimming Pool Spa Water monitor Quality Analysis
Price: $17.7
GAIN EXPRESSPH & Chlorine Cl2 Level Meter Tester, Digital Chlorine Tester, Test Monitor Swimming Pool Spa Water monitor Quality AnalysisPh Meters
RED Protools Store
Digital pH Monitor Meter ATC 0.00~14.00pH w/ Power Adaptor & 1.5M Long Electrode Probe, Continuous Water Quality Monitoring Kit
Price: $17.89
GAIN EXPRESSDigital pH Monitor Meter ATC 0.00~14.00pH w/ Power Adaptor & 1.5M Long Electrode Probe, Continuous Water Quality Monitoring KitPh Meters
RED Protools Store
ORP (Oxidation Reduction Potential) Redox Tester Water Quality Meter 1200~1200mV, ±2mV High Accuracy
Price: $18.51
Old Price: $19.89
GAIN EXPRESSORP (Oxidation Reduction Potential) Redox Tester Water Quality Meter 1200~1200mV, ±2mV High AccuracyPh Meters China
Innovative Life Store
ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Aquaculture
Price: $18.6
GAIN EXPRESSORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, AquaculturePh Meters
RED Protools Store
ORP-301 Pensize ORP Redox Tester -1200~1200mV Water Quality Measurement ±2mV High Accuracy Oxidation Reduction Potential Meter
Price: $18.71
Old Price: $19.89
GAIN EXPRESSORP-301 Pensize ORP Redox Tester -1200~1200mV Water Quality Measurement ±2mV High Accuracy Oxidation Reduction Potential MeterPh Meters
GAIN EXPRESS HOLDINGS Seller
PH /EC/Temperature Meter ATC 3 in 1 Waterproof Pen Type Water Quality Combo Multi-Parameter Tester Monitor Analyzer Acidometer
Price: $19.75
GAIN EXPRESSPH /EC/Temperature Meter ATC 3 in 1 Waterproof Pen Type Water Quality Combo Multi-Parameter Tester Monitor Analyzer AcidometerPh Meters
RED Protools Store
Precise Pocket-size Digital Oxidation Reduction Potentialis ORP Redox Meter Tester Water Quality Pool Aquarium +/-1000mV Range
Price: $19.75
GAIN EXPRESSPrecise Pocket-size Digital Oxidation Reduction Potentialis ORP Redox Meter Tester Water Quality Pool Aquarium +/-1000mV RangePh Meters
RED Protools Store
2-in-1 Digital Pen-type pH Temperature Meter Built-in ATC Auto Calibration IP65 with Replaceable Electrode
Price: $20.5
GAIN EXPRESS2-in-1 Digital Pen-type pH Temperature Meter Built-in ATC Auto Calibration IP65 with Replaceable ElectrodePh Meters
GAIN EXPRESS HOLDINGS Seller
Digital Waterproof Detachable pH Temperature Pen Meter High Accuracy with 3 Points Auto Calibration 0.00 ~ 14.00pH Range
Price: $20.5
GAIN EXPRESSDigital Waterproof Detachable pH Temperature Pen Meter High Accuracy with 3 Points Auto Calibration 0.00 ~ 14.00pH RangePh Meters
Innovative Life Store
Optional Electrode with Cap for pH Temperature Pen Meter
Price: $20.5
GAIN EXPRESSOptional Electrode with Cap for pH Temperature Pen MeterPh Meters
Innovative Life Store
Optional Replaceable Electrode with Cap for pH Temperature Pen Meter (868-9)
Price: $20.5
GAIN EXPRESSOptional Replaceable Electrode with Cap for pH Temperature Pen Meter (868-9)Ph Meters
GAIN EXPRESS HOLDINGS Seller
Mini Digital ORP Redox pH Meter Tester +/-1999mV Range Water Quality Tester Laboratory Aquarium
Price: $21.46
GAIN EXPRESSMini Digital ORP Redox pH Meter Tester +/-1999mV Range Water Quality Tester Laboratory AquariumPh Meters China
GAIN EXPRESS HOLDINGS Seller
Replaceable ORP REDOX Electrode Probe 0 ~ +/- 1999 mV ORP Meter Tester 300cm long Cable with BNC socket
Price: $22.1
GAIN EXPRESSReplaceable ORP REDOX Electrode Probe 0 ~ +/- 1999 mV ORP Meter Tester 300cm long Cable with BNC socketPh Meters
RED Protools Store
3-in-1 Digital EC / CF / TDS Meter Combo Water Quality Tester IP65 Waterproof Conductivity with ATC Aquarium, Hydroponic, Lab
Price: $22.32
Old Price: $26.89
GAIN EXPRESS3-in-1 Digital EC / CF / TDS Meter Combo Water Quality Tester IP65 Waterproof Conductivity with ATC Aquarium, Hydroponic, LabPh Meters
GAIN EXPRESS HOLDINGS Seller
Handheld 3in1 Waterproof Professional EC CF PPM Dipstick Conductivity Stick Meter Nutrient Tester +/-4% Accuracy + ATC
Price: $23.03
GAIN EXPRESSHandheld 3in1 Waterproof Professional EC CF PPM Dipstick Conductivity Stick Meter Nutrient Tester +/-4% Accuracy + ATCPh Meters
GAIN EXPRESS HOLDINGS Seller
Handheld 3in1 Waterproof Professional EC CF PPM Dipstick Conductivity Stick Meter Nutrient Tester +/-4% Accuracy + ATC
Price: $23.25
GAIN EXPRESSHandheld 3in1 Waterproof Professional EC CF PPM Dipstick Conductivity Stick Meter Nutrient Tester +/-4% Accuracy + ATCPh Meters
RED Protools Store
Replaceable ORP REDOX Electrode Probe 0 ~ +/- 1999 mV ORP Meter Tester 300cm long Cable with BNC socket
Price: $23.58
GAIN EXPRESSReplaceable ORP REDOX Electrode Probe 0 ~ +/- 1999 mV ORP Meter Tester 300cm long Cable with BNC socketPh Meters
GAIN EXPRESS HOLDINGS Seller
3-in-1 Conductivity EC & pH & Temperature Multi-parameter Tester Digital Pen ATC, Water Quality Test Analyze Calibration Kit
Price: $23.96
GAIN EXPRESS3-in-1 Conductivity EC & pH & Temperature Multi-parameter Tester Digital Pen ATC, Water Quality Test Analyze Calibration KitPh Meters China
RED Protools Store
Portable Digital LCD Display Mini ORP REDOX Meter Tester 0 ~ +/-1999mV Range Electrode +/- 5mV Accuracy
Price: $24.19
GAIN EXPRESSPortable Digital LCD Display Mini ORP REDOX Meter Tester 0 ~ +/-1999mV Range Electrode +/- 5mV AccuracyPh Meters China
RED Protools Store
Digital Pentype 3-in-1 Combo pH TDS Temperature Meter 0.00~14.00pH 0~1999mg/L(ppm) Water Quality Tester w/ ATC
Price: $24.35
Old Price: $25.9
GAIN EXPRESSDigital Pentype 3-in-1 Combo pH TDS Temperature Meter 0.00~14.00pH 0~1999mg/L(ppm) Water Quality Tester w/ ATCPh Meters
GAIN EXPRESS HOLDINGS Seller
Portable Digital LCD Display Mini ORP REDOX Meter Tester 0 ~ +/-1999mV Range Electrode +/- 5mV Accuracy
Price: $24.42
GAIN EXPRESSPortable Digital LCD Display Mini ORP REDOX Meter Tester 0 ~ +/-1999mV Range Electrode +/- 5mV AccuracyPh Meters
RED Protools Store
ORP Redox Electrode, BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long Cable
Price: $25
GAIN EXPRESSORP Redox Electrode, BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long CablePh Meters
RED Protools Store
16 pieces x Pen-type Conductivity TDS Meter ppm ppt uS mS C/F Digital 3-in-1 Pool Spa Water Treatment Tester
Price: $25
GAIN EXPRESS16 pieces x Pen-type Conductivity TDS Meter ppm ppt uS mS C/F Digital 3-in-1 Pool Spa Water Treatment TesterPh Meters
Innovative Life Store
Portable Digital Pen type Waterproof 3 in 1 EC CF TDS Conductivity Hydroponic Meter Tester 19990 ppm Built-in ATC
Price: $25.35
GAIN EXPRESSPortable Digital Pen type Waterproof 3 in 1 EC CF TDS Conductivity Hydroponic Meter Tester 19990 ppm Built-in ATCPh Meters
RED Protools Store
Monitor Meter Tester ATC, Online PH/EC Conductivity, Water Quality Real-time Continuous Monitoring, Wall Mountable&Rechargeable
Price: $25.82
GAIN EXPRESSMonitor Meter Tester ATC, Online PH/EC Conductivity, Water Quality Real-time Continuous Monitoring, Wall Mountable&RechargeablePh Meters
RED Protools Store