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GAIN EXPRESS Goods From China

    • ToolsInstruments For Measurement And Analysis 369
    • Instruments For Measurement And AnalysisAnalyzers 159
    • Optical Instruments 130
    • Thermometers 29
    • Physical Measuring Instruments 28
    • Current Measuring Instruments 10
    • Measuring Tools 6
    • Pressure Measuring Instruments 6
    • Measuring Instruments 5
    • Levels And Small Ones 4
    • Test Equipment 2
    • AnalyzersPH Meters 144
    • Gas Analyzers 14
    • Optical InstrumentsMagnifiers 90
    • Refractometers 24
    • Microscopes 17
    • Physical Measuring InstrumentsThickness Gauges 14
    • Sound Level Meters 12
    • Hardness Testers 2
    • Current Measuring InstrumentsMultimeters 8
    • Frequency Meters 2
    • Circuit Breakers 2
    • Pressure Measuring InstrumentsPressure Sensors 6
    • Measuring ToolsProtractors 6
    • Sports And RecreationTourism 2
    • LightingProfessional Lighting 2
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2-in-1 PH & Temperature Meter Dual Display Water Quality Monitoring Kit Replaceable Electrode Aquariums Hydroponics Pools Tank
Price: $1731.2
Old Price: $1924
GAIN EXPRESS2-in-1 PH & Temperature Meter Dual Display Water Quality Monitoring Kit Replaceable Electrode Aquariums Hydroponics Pools TankPh Meters
GAIN EXPRESS HOLDINGS Seller
Professional Digital Large LCD Display Dissolved Oxygen DO Meter Tester 0~199.9% / 0~19.99 PPM / 0~19.99 mg/I Range
Price: $193.5
GAIN EXPRESSProfessional Digital Large LCD Display Dissolved Oxygen DO Meter Tester 0~199.9% / 0~19.99 PPM / 0~19.99 mg/I RangePh Meters
GAIN EXPRESS HOLDINGS Seller
Digital Wireless Weather Station with 3 Sensors Indoor/Outdoor w/ Black LED LCD Display & Alarm Clock 4 Languages
Price: $21.13
GAIN EXPRESSDigital Wireless Weather Station with 3 Sensors Indoor/Outdoor w/ Black LED LCD Display & Alarm Clock 4 LanguagesThermometers
Innovative Life Store
10x Magnification Scale Loupe (1/4/9) Interchangeable Glass Scale Chart 25mm Field of View with 8 LED Light
Price: $20.59
Old Price: $21.9
GAIN EXPRESS10x Magnification Scale Loupe (1/4/9) Interchangeable Glass Scale Chart 25mm Field of View with 8 LED LightMagnifiers
GAIN EXPRESS HOLDINGS Seller
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
Handheld Foldable Ruby Filter Gem Emerald Identification Gemstone Tester Red & Pink GEM identifier
Price: $14.18
GAIN EXPRESSHandheld Foldable Ruby Filter Gem Emerald Identification Gemstone Tester Red & Pink GEM identifierMagnifiers
GAIN EXPRESS HOLDINGS Seller
2-in-1 PH & Temperature Meter 0.00~14.00pH Range Continuous Monitor Dual Display Manual Calibration Replaceable Electrode
Price: $1701.6
Old Price: $1890.4
GAIN EXPRESS2-in-1 PH & Temperature Meter 0.00~14.00pH Range Continuous Monitor Dual Display Manual Calibration Replaceable ElectrodePh Meters China
GAIN EXPRESS HOLDINGS Seller
Online PH/EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Wall Mountable & Rechargeable
Price: $28.85
GAIN EXPRESSOnline PH/EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Wall Mountable & RechargeablePh Meters
RED Protools Store
Diffraction Spectroscope Heavy Duty Gem Gemstone Gemology Tool Aluminum Body
Price: $24.64
GAIN EXPRESSDiffraction Spectroscope Heavy Duty Gem Gemstone Gemology Tool Aluminum BodyMagnifiers China
Ideal Concept Store
Digital Wireless Weather Station Indoor Outdoor Temperature & Humidity Measure w/ 3 Sensor, °C/°F Black LED Light Display, Alarm
Price: $22.73
GAIN EXPRESSDigital Wireless Weather Station Indoor Outdoor Temperature & Humidity Measure w/ 3 Sensor, °C/°F Black LED Light Display, AlarmThermometers
GAIN EXPRESS HOLDINGS Seller
Polariscope Gemstone Moisanite Diagnose Tester Gemology Gem Tool LED Flashlight
Price: $23.24
GAIN EXPRESSPolariscope Gemstone Moisanite Diagnose Tester Gemology Gem Tool LED FlashlightMagnifiers
Ideal Concept Store
Digital Wireless Weather Station Indoor Outdoor Temperature & Humidity Hygrometer w/ 3 Sensors Alarm Clock Function LED Light
Price: $23.74
GAIN EXPRESSDigital Wireless Weather Station Indoor Outdoor Temperature & Humidity Hygrometer w/ 3 Sensors Alarm Clock Function LED LightThermometers
GAIN EXPRESS HOLDINGS Seller
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
Handheld Digital Dual-port Manometer Professional pressure gauge Differential Air Pressure Tester pressure measuring instruments
Price: $28.82
GAIN EXPRESSHandheld Digital Dual-port Manometer Professional pressure gauge Differential Air Pressure Tester pressure measuring instrumentsPressure Sensors
GAIN EXPRESS HOLDINGS Seller
3-in1 CO2 Carbon Dioxide Desktop Datalogger Monitor Indoor Air Quality Temperature Relative Humidity RH 0~9999ppm Clock
Price: $163.5
GAIN EXPRESS3-in1 CO2 Carbon Dioxide Desktop Datalogger Monitor Indoor Air Quality Temperature Relative Humidity RH 0~9999ppm ClockThermometers China
GAIN EXPRESS HOLDINGS Seller
10x 15x 20x 30x Loupe Tester Jewelry Gemstone 20.5mm Lens Diameter Triplet Lens Achromatic Optical Glass Black Frame Metal Body
Price: $7.05
Old Price: $7.5
GAIN EXPRESS10x 15x 20x 30x Loupe Tester Jewelry Gemstone 20.5mm Lens Diameter Triplet Lens Achromatic Optical Glass Black Frame Metal BodyMagnifiers
GAIN EXPRESS HOLDINGS Seller
Pen type Aquarium pH Meter Digital Water Quality Tester Hydroponics Spa Waterproof 14 pH Range
Price: $31.9
GAIN EXPRESSPen type Aquarium pH Meter Digital Water Quality Tester Hydroponics Spa Waterproof 14 pH RangePh Meters
Ideal Concept Store
Digital pH ORP Redox 2 in 1 Controller Monitor w/ Output Power Relay Control Electrode Probe BNC for Aquarium Hydroponics Plants
Price: $7413.6
Old Price: $7972
GAIN EXPRESSDigital pH ORP Redox 2 in 1 Controller Monitor w/ Output Power Relay Control Electrode Probe BNC for Aquarium Hydroponics PlantsPh Meters China
Innovative Life Store
0-10% Brix Refractometer with ATC Low-Concentrated Sugar Content Solutions Machining Coolants Maple Sap Accuracy 0.1
Price: $8.94
GAIN EXPRESS0-10% Brix Refractometer with ATC Low-Concentrated Sugar Content Solutions Machining Coolants Maple Sap Accuracy 0.1Refractometers
Innovative Life Store
Diamond Tester with UV Ultraviolet Light Gemstone Jewellry Selector Jeweler Gem Tools
Price: $39.79
GAIN EXPRESSDiamond Tester with UV Ultraviolet Light Gemstone Jewellry Selector Jeweler Gem ToolsMagnifiers
Ideal Concept 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
Handheld Precise Small Diffraction Spectroscope Gemstone Gem Gemelogy Gemological 55mm Length
Price: $22.86
GAIN EXPRESSHandheld Precise Small Diffraction Spectroscope Gemstone Gem Gemelogy Gemological 55mm LengthMagnifiers China
RED Protools Store
Digital LCD Coating Thickness Gauge Tester Car Automotive Paint Thickness Meter 1.25mm Iron Aluminum Base
Price: $26.3
GAIN EXPRESSDigital LCD Coating Thickness Gauge Tester Car Automotive Paint Thickness Meter 1.25mm Iron Aluminum BaseThickness Gauges
RED Protools Store
6-in-1 Water Quality Meter Tester IP57 Pen type, pH, Temperature, Conductivity, TDS, ORP, Salinity Floats on Water Optional ORP
Price: $31
GAIN EXPRESS6-in-1 Water Quality Meter Tester IP57 Pen type, pH, Temperature, Conductivity, TDS, ORP, Salinity Floats on Water Optional ORPPh Meters China
GAIN EXPRESS HOLDINGS Seller
Handheld Heavy Duty Calcite Dichroscope, Trichoic Gem & Gemstones Gemological Testing, 15mm Diameter Jeweler Tool Metal Body
Price: $28.26
GAIN EXPRESSHandheld Heavy Duty Calcite Dichroscope, Trichoic Gem & Gemstones Gemological Testing, 15mm Diameter Jeweler Tool Metal BodyMagnifiers
GAIN EXPRESS HOLDINGS Seller
4.0x 4x Magnification Nickel Alloy Frame Binocular Dental Loupes Surgical Medical Dentistry Prismatic Keplerian Style 420mm
Price: $156.82
GAIN EXPRESS4.0x 4x Magnification Nickel Alloy Frame Binocular Dental Loupes Surgical Medical Dentistry Prismatic Keplerian Style 420mmMagnifiers
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
Portable Dark Field 10x Magnification Power Loupe Gem Gemstone Gemology Tester with 18mm Diameter Viewing Lens
Price: $17.61
GAIN EXPRESSPortable Dark Field 10x Magnification Power Loupe Gem Gemstone Gemology Tester with 18mm Diameter Viewing LensMagnifiers
RED Protools 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
Gem Loupe Magnifiers 30x Magnification Jewelry with UV & 6 LED Light, 21mm Optical Glass Achromatic Aplanatic Triplet Magnifiers
Price: $15.23
GAIN EXPRESSGem Loupe Magnifiers 30x Magnification Jewelry with UV & 6 LED Light, 21mm Optical Glass Achromatic Aplanatic Triplet MagnifiersMagnifiers China
GAIN EXPRESS HOLDINGS Seller
Wearable 2-in-1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter
Price: $35.15
GAIN EXPRESSWearable 2-in-1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress MeterThermometers
GAIN EXPRESS HOLDINGS Seller
Optional Reference Block and Dioptric Oil for New design or Traditional Honey Brix Refractometer
Price: $12.8
GAIN EXPRESSOptional Reference Block and Dioptric Oil for New design or Traditional Honey Brix RefractometerRefractometers China
RED Protools Store
Dental Loupes Keplerian Galilean Style Magnification 2.5x 3.5x 4x 6x Binocular Surgical Medical Dentistry Nickel Alloy Frame
Price: $116.5
GAIN EXPRESSDental Loupes Keplerian Galilean Style Magnification 2.5x 3.5x 4x 6x Binocular Surgical Medical Dentistry Nickel Alloy FrameMagnifiers
GAIN EXPRESS HOLDINGS Seller
Precision Foldable 10x Magnification Triplet Optic Lens Jeweler Loupe Magnifier + 6 LED light, 21mm lens
Price: $11.19
Old Price: $11.9
GAIN EXPRESSPrecision Foldable 10x Magnification Triplet Optic Lens Jeweler Loupe Magnifier + 6 LED light, 21mm lensMagnifiers
GAIN EXPRESS HOLDINGS Seller
Sound Level Calibrator Meter 114dB / 94dB / 104dB Calibration Level For 1/2" 13.2mm Microphone Size
Price: $71.92
GAIN EXPRESSSound Level Calibrator Meter 114dB / 94dB / 104dB Calibration Level For 1/2" 13.2mm Microphone SizeSound Level Meters
Ideal Concept Store
Digital 0~9999ppm IAQ CO2 Monitor Carbon Dioxide Air Temperature Humidity Dew Point Wet Bulb NDIR Sensor
Price: $148.08
GAIN EXPRESSDigital 0~9999ppm IAQ CO2 Monitor Carbon Dioxide Air Temperature Humidity Dew Point Wet Bulb NDIR SensorGas Analyzers China
Innovative Life Store
Digital USB Datalogger Humidity Temperature & Pressure Barometric Data Logger gauge Waterproof PDF & Excel report LED indicator
Price: $74.8
GAIN EXPRESSDigital USB Datalogger Humidity Temperature & Pressure Barometric Data Logger gauge Waterproof PDF & Excel report LED indicatorThermometers
Innovative Life Store
PM1208M Gamma Master II, Radiation Watch, Calibrated by Polimaster Ltd.(Belarus) with 0.06 to 1.5 MeV Energy Range
Price: $33163.2
Old Price: $35280
GAIN EXPRESSPM1208M Gamma Master II, Radiation Watch, Calibrated by Polimaster Ltd.(Belarus) with 0.06 to 1.5 MeV Energy RangeFrequency Meters
GAIN EXPRESS HOLDINGS Seller
Diamond Tester with UV Ultraviolet Light Gemstone Precious Loose Stone Tool Selector
Price: $39.38
GAIN EXPRESSDiamond Tester with UV Ultraviolet Light Gemstone Precious Loose Stone Tool SelectorMagnifiers
GAIN EXPRESS HOLDINGS Seller
Optical Beer Brix & Specific Gravity Refractometer with ATC Optic Dual Scale 0~32% Brix 1.000-1.120 SG Wine Wort Making Beer
Price: $12.08
GAIN EXPRESSOptical Beer Brix & Specific Gravity Refractometer with ATC Optic Dual Scale 0~32% Brix 1.000-1.120 SG Wine Wort Making BeerRefractometers
GAIN EXPRESS HOLDINGS Seller
Decibel Meter Sound Level Tester 30~130dBA Noise Volume Measuring and Monitoring Instrument Digital LCD display w/ Backlight
Price: $11.54
Old Price: $12.28
GAIN EXPRESSDecibel Meter Sound Level Tester 30~130dBA Noise Volume Measuring and Monitoring Instrument Digital LCD display w/ BacklightSound Level Meters
GAIN EXPRESS HOLDINGS Seller
0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller for Aquarium Hydroponics Plant Pool Spa
Price: $916
GAIN EXPRESS0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller for Aquarium Hydroponics Plant Pool SpaPh Meters
RED Protools Store
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
Desktop LED light for Polariscope / Darkfield Loupe 24mm Diameter + 3 high quality LED illumination
Price: $8.08
Old Price: $8.6
GAIN EXPRESSDesktop LED light for Polariscope / Darkfield Loupe 24mm Diameter + 3 high quality LED illuminationMagnifiers China
GAIN EXPRESS HOLDINGS Seller
4.0x 4x Magnification Nickel Alloy Frame Binocular Dental Loupes Surgical Medical Dentistry Prismatic Keplerian Style 420mm
Price: $173.11
GAIN EXPRESS4.0x 4x Magnification Nickel Alloy Frame Binocular Dental Loupes Surgical Medical Dentistry Prismatic Keplerian Style 420mmMagnifiers
GAIN EXPRESS HOLDINGS Seller
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
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
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
Keplerian Style 6.0x Magnification Binocular Dental Loupes Surgical Medical Dentistry Frame 420mm Working Distance
Price: $185.28
GAIN EXPRESSKeplerian Style 6.0x Magnification Binocular Dental Loupes Surgical Medical Dentistry Frame 420mm Working DistanceMagnifiers
GAIN EXPRESS HOLDINGS Seller
New Digital LCD Body Fat Caliper Skin Fold Measurement Thickness 50mm 2inch LCD
Price: $727.2
GAIN EXPRESSNew Digital LCD Body Fat Caliper Skin Fold Measurement Thickness 50mm 2inch LCDThickness Gauges
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
Desktop LED light for Polariscope / Darkfield Loupe 24mm Diameter + 3 high quality LED illumination
Price: $8.83
GAIN EXPRESSDesktop LED light for Polariscope / Darkfield Loupe 24mm Diameter + 3 high quality LED illuminationMagnifiers
RED Protools Store
Durable Pocket Diffraction Spectroscope Medium Size Gem Tool
Price: $26.38
GAIN EXPRESSDurable Pocket Diffraction Spectroscope Medium Size Gem ToolMagnifiers
RED Protools Store
Triplet Loupe 30x Magnification LED & UV Lighted Loupe 21mm Lens Gems Diamond
Price: $13.17
GAIN EXPRESSTriplet Loupe 30x Magnification LED & UV Lighted Loupe 21mm Lens Gems DiamondMagnifiers
Ideal Concept 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
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
Digital Dissolved Oxygen DO Meter Tester 0~199.9% / 0~19.99 PPM / 0~19.99 mg/I Range for Aquaculture, Industrial, Environmental
Price: $193.5
GAIN EXPRESSDigital Dissolved Oxygen DO Meter Tester 0~199.9% / 0~19.99 PPM / 0~19.99 mg/I Range for Aquaculture, Industrial, EnvironmentalPh Meters
Innovative Life Store
Prism Spectroscope Gemology Gem Gemstone Diamond Stone Tester Heavy Duty Precise 130mm in Length
Price: $55.9
GAIN EXPRESSPrism Spectroscope Gemology Gem Gemstone Diamond Stone Tester Heavy Duty Precise 130mm in LengthMagnifiers
Ideal Concept Store
30x Magnifying Jeweler Tool Optical Glass Loupe 21mm Foldable LED Light
Price: $13.65
GAIN EXPRESS30x Magnifying Jeweler Tool Optical Glass Loupe 21mm Foldable LED LightMagnifiers China
GAIN EXPRESS HOLDINGS Seller
Pentype TDS Salinity Water Quality Tester Temperature Meter Saltiness Seawater Hydrometer Detector Big LCD Display Data Hold
Price: $34.5
GAIN EXPRESSPentype TDS Salinity Water Quality Tester Temperature Meter Saltiness Seawater Hydrometer Detector Big LCD Display Data HoldPh Meters China
Ideal Concept Store
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