GAIN EXPRESS HOLDINGS Goods

20mL Salinity Meter NaCl 50ppt Calibration Buffer Solution Saltmeter Salt Seawater Tester Monitor Standard (Set of 2 Bottles)
Price: $9.14
DANOPLUS20mL Salinity Meter NaCl 50ppt Calibration Buffer Solution Saltmeter Salt Seawater Tester Monitor Standard (Set of 2 Bottles)Ph Meters
GAIN EXPRESS HOLDINGS Seller
Optional ORP electrode for M0199720
Price: $28.2
Old Price: $30
DANOPLUSOptional ORP electrode for M0199720Ph Meters China
GAIN EXPRESS HOLDINGS Seller
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
Digital Angle Finder Level 360 Degree Range Spirit Upright Inclinometer with Magnets Protractor Ruler
Price: $18.37
DANOPLUSDigital Angle Finder Level 360 Degree Range Spirit Upright Inclinometer with Magnets Protractor RulerLevels And Small Ones
GAIN EXPRESS HOLDINGS Seller
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
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
Bench Type / Desktop Polariscope Built-in LED Gemstone + 2 Glass Rotatable Filters 110V/220V
Price: $89.2
DANOPLUSBench Type / Desktop Polariscope Built-in LED Gemstone + 2 Glass Rotatable Filters 110V/220VMagnifiers
GAIN EXPRESS HOLDINGS Seller
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
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
PH Replacement Electrode for Pen Type Combo Meter PHM-224 TDS-240 ECM-226
Price: $6.49
Old Price: $6.9
DANOPLUSPH Replacement Electrode for Pen Type Combo Meter PHM-224 TDS-240 ECM-226Ph Meters China
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
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
Laser Digital Non-Contact Tachometer Handheld Rotational Speed Measuring Gun 2.5-99999 RPM, Record (60 Data) Speedometer
Price: $12.88
Old Price: $13.7
DANOPLUSLaser Digital Non-Contact Tachometer Handheld Rotational Speed Measuring Gun 2.5-99999 RPM, Record (60 Data) SpeedometerTachometers
GAIN EXPRESS HOLDINGS Seller
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
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
Digital Ultrasonic Thickness Meter Tester Gauge Measure 1.2~220 mm Velocity glass iron plastics tile brass gold silver zinc
Price: $127.59
Old Price: $135.72
DANOPLUSDigital Ultrasonic Thickness Meter Tester Gauge Measure 1.2~220 mm Velocity glass iron plastics tile brass gold silver zincLevels And Small Ones China
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
Handheld Precise Small Diffraction Spectroscope Gemstone Gem GemelogyGemological 55mm Length
Price: $22.05
Old Price: $24.5
DANOPLUSHandheld Precise Small Diffraction Spectroscope Gemstone Gem GemelogyGemological 55mm LengthMagnifiers China
GAIN EXPRESS HOLDINGS Seller
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
Professional Anemometer Datalogger Wind Speed Velocity Meter Air Flow CFM CMM Air Volume Wind Direction Temperature Humidity
Price: $49.9
DANOPLUSProfessional Anemometer Datalogger Wind Speed Velocity Meter Air Flow CFM CMM Air Volume Wind Direction Temperature HumidityTachometers
GAIN EXPRESS HOLDINGS Seller
Professional Handheld Splashproof Digital pH Meter Temperature High Accuracy +/-0.05PH with Replaceable Electrode
Price: $50.5
GAIN EXPRESSProfessional Handheld Splashproof Digital pH Meter Temperature High Accuracy +/-0.05PH with Replaceable ElectrodePh Meters
GAIN EXPRESS HOLDINGS Seller
Diamond Moisanite Tester Gemstone 2pt Jewel Stone Combo Gem Test Jewelry Identifier Tool Equipment
Price: $103.45
GAIN EXPRESSDiamond Moisanite Tester Gemstone 2pt Jewel Stone Combo Gem Test Jewelry Identifier Tool EquipmentMagnifiers
GAIN EXPRESS HOLDINGS Seller
NEW Handheld 0-80% Wide Range Heavy Duty Brix Refractometer Syrup Jam CNC with Dual Scales and Adjustable Focus
Price: $49.26
GAIN EXPRESSNEW Handheld 0-80% Wide Range Heavy Duty Brix Refractometer Syrup Jam CNC with Dual Scales and Adjustable FocusRefractometers China
GAIN EXPRESS HOLDINGS Seller
Digital Level Angle Finder Bevel Box Magnetic Base Backlight Tilt Direction Indicator, 360deg (4 x 90deg) Inclinometer Gauge
Price: $17.39
Old Price: $18.5
DANOPLUSDigital Level Angle Finder Bevel Box Magnetic Base Backlight Tilt Direction Indicator, 360deg (4 x 90deg) Inclinometer GaugeProtractors
GAIN EXPRESS HOLDINGS Seller
Digital CEM Paint Coating Thickness Meter Gauge 1250um (49.2mils) F/ NF Probe Sensor, 400 Memory with USB & CD Software
Price: $99.17
Old Price: $105.5
DANOPLUSDigital CEM Paint Coating Thickness Meter Gauge 1250um (49.2mils) F/ NF Probe Sensor, 400 Memory with USB & CD SoftwareThickness Gauges
GAIN EXPRESS HOLDINGS Seller
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 Protractor Gauge Angle Finder Bevel Box Inclinometer Level Meter Magnetic Base
Price: $16.25
DANOPLUSDigital Protractor Gauge Angle Finder Bevel Box Inclinometer Level Meter Magnetic BaseLevels And Small Ones
GAIN EXPRESS HOLDINGS Seller
Sound Level Meter High Accuracy Measuirng 30dB-130dB Compact Professional Sound Level with Backlit Display
Price: $21.15
Old Price: $23.5
GAIN EXPRESSSound Level Meter High Accuracy Measuirng 30dB-130dB Compact Professional Sound Level with Backlit DisplaySound Level Meters
GAIN EXPRESS HOLDINGS Seller
Handy Big Prism Spectroscope Gem Gemstone Gemology Testing Gemological Test Tool 130mm Length 20mm in Diameter
Price: $56.19
GAIN EXPRESSHandy Big Prism Spectroscope Gem Gemstone Gemology Testing Gemological Test Tool 130mm Length 20mm in DiameterMagnifiers
GAIN EXPRESS HOLDINGS Seller
30x Magnification Magnifying Glass Jewelers Loupe, 6 Lights Desktop Magnifier Portable Folding Scale (Rechargeable/Replaceable)
Price: $6.98
GAIN EXPRESS30x Magnification Magnifying Glass Jewelers Loupe, 6 Lights Desktop Magnifier Portable Folding Scale (Rechargeable/Replaceable)Magnifiers
GAIN EXPRESS HOLDINGS Seller
Handheld Made of Metal Foldable Folding Chelsea Jadeite Filter for Gem Emerald Identification tools 20mm diameter
Price: $13.13
GAIN EXPRESSHandheld Made of Metal Foldable Folding Chelsea Jadeite Filter for Gem Emerald Identification tools 20mm diameterMagnifiers
GAIN EXPRESS HOLDINGS Seller
Gem Gemological Gemelogy Refractometer with Built-in LED Light + RI Oil + 1.30 - 1.81 RI Range + 0.01 nD Scale Division
Price: $60.63
Old Price: $64.5
GAIN EXPRESSGem Gemological Gemelogy Refractometer with Built-in LED Light + RI Oil + 1.30 - 1.81 RI Range + 0.01 nD Scale DivisionRefractometers China
GAIN EXPRESS HOLDINGS Seller
Professional Compact Sound Level Meter with Data Record Function 30dB-130dB High Accuracy Measuring with Backlit Display
Price: $20.39
DANOPLUSProfessional Compact Sound Level Meter with Data Record Function 30dB-130dB High Accuracy Measuring with Backlit DisplaySound Level 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: $21.96
DANOPLUSPH /EC/Temperature Meter ATC 3 in 1 Waterproof Pen Type Water Quality Combo Multi-Parameter Tester Monitor Analyzer AcidometerPh Meters
GAIN EXPRESS HOLDINGS Seller
Automotive Noise Sensor Finder Electronic Stethoscope / Car Truck 100Hz~10kHz + High Sensitivity Long & Short probe + Earphone
Price: $31.21
All SunAutomotive Noise Sensor Finder Electronic Stethoscope / Car Truck 100Hz~10kHz + High Sensitivity Long & Short probe + EarphoneMetal Detectors China
GAIN EXPRESS HOLDINGS Seller
Automotive Fuel Injector Tester, 12V 4 Pulse Modes, Handheld Car Vehicle Fuel Pressure System Diagnostic Scan Testing Tool Gauge
Price: $22.63
All SunAutomotive Fuel Injector Tester, 12V 4 Pulse Modes, Handheld Car Vehicle Fuel Pressure System Diagnostic Scan Testing Tool GaugeVoltmeters
GAIN EXPRESS HOLDINGS Seller
Handheld Clinical Refractometer w/ ATC, Tri Scale Blood Serum Protein/ Urine Specific Gravity/ Refractive Index
Price: $10.45
Old Price: $11.12
GAIN EXPRESSHandheld Clinical Refractometer w/ ATC, Tri Scale Blood Serum Protein/ Urine Specific Gravity/ Refractive IndexRefractometers
GAIN EXPRESS HOLDINGS Seller
Optional Air Dryer Moisture Absorbing Silica Beads for Ozone Generator
Price: $408.8
Old Price: $435.2
DANOPLUSOptional Air Dryer Moisture Absorbing Silica Beads for Ozone GeneratorPressure Sensors
GAIN EXPRESS HOLDINGS Seller
Portable Handheld 30x 21mm Triplet Loupe Jeweler Loupe Magnifier w/ White LED Lights + UV Lighting LED
Price: $13.16
Old Price: $14
GAIN EXPRESSPortable Handheld 30x 21mm Triplet Loupe Jeweler Loupe Magnifier w/ White LED Lights + UV Lighting LEDMagnifiers
GAIN EXPRESS HOLDINGS Seller
Ultrasonic Leak Transmitter, 40 KHz Frequency, Emit Ultra Sonic Wave Air Water Windshield Roofs Pipe Leaks Detection Handy Tool
Price: $65.02
DANOPLUSUltrasonic Leak Transmitter, 40 KHz Frequency, Emit Ultra Sonic Wave Air Water Windshield Roofs Pipe Leaks Detection Handy ToolLevels And Small Ones
GAIN EXPRESS HOLDINGS Seller
Digital Handheld Stroboscope 50-12,000 FPM Range Xenon lamp Flash Type Meter Strobe Tester 110V/220V
Price: $101.72
CnlandtekDigital Handheld Stroboscope 50-12,000 FPM Range Xenon lamp Flash Type Meter Strobe Tester 110V/220VTachometers China
GAIN EXPRESS HOLDINGS Seller
Digital Automotive Voltage Tester Multi-tester Car Auto Motor Battery 9~35V Interior and Exterior Lamps Relays Checker Analyzer
Price: $49.06
All SunDigital Automotive Voltage Tester Multi-tester Car Auto Motor Battery 9~35V Interior and Exterior Lamps Relays Checker AnalyzerTesters
GAIN EXPRESS HOLDINGS Seller
10x Magnification Jewelery Loupe, 20.5mm Triplet Lens Achromatic Optical Glass Metal(Aluminum) Body Black Frame Hexagonal Design
Price: $6.75
Old Price: $7.5
GAIN EXPRESS10x Magnification Jewelery Loupe, 20.5mm Triplet Lens Achromatic Optical Glass Metal(Aluminum) Body Black Frame Hexagonal DesignMagnifiers China
GAIN EXPRESS HOLDINGS Seller
REFRACTIVE INDEX FLUID OIL x TwO BOTTLES REFRACTOMETER 1ml Each 1.300 to 1.800 RI Range
Price: $16.92
Old Price: $18
DANOPLUSREFRACTIVE INDEX FLUID OIL x TwO BOTTLES REFRACTOMETER 1ml Each 1.300 to 1.800 RI RangeRefractometers
GAIN EXPRESS HOLDINGS Seller
Digital 2-in-1 pH ORP mV CO2 Controller Meter Aquarium Fish Tank 0.00~14.00PH Range + Switched Socket 110V / 220V
Price: $84.18
DANOPLUSDigital 2-in-1 pH ORP mV CO2 Controller Meter Aquarium Fish Tank 0.00~14.00PH Range + Switched Socket 110V / 220VPh Meters
GAIN EXPRESS HOLDINGS Seller
High Sensitivity Handheld Precision Combustible Methane Propane Gas Leak Detector Alarm Sensor 40-640ppm Range + Mute Function
Price: $79.73
GAIN EXPRESSHigh Sensitivity Handheld Precision Combustible Methane Propane Gas Leak Detector Alarm Sensor 40-640ppm Range + Mute FunctionGas Analyzers
GAIN EXPRESS HOLDINGS Seller
Wireless Weather Station 2 Remote Sensors Weather Forecast Moonphase Alarm Indoor Outdoor Temperature Humidity DCF RCC
Price: $27.17
Old Price: $28.9
DANOPLUSWireless Weather Station 2 Remote Sensors Weather Forecast Moonphase Alarm Indoor Outdoor Temperature Humidity DCF RCCThermometers
GAIN EXPRESS HOLDINGS Seller
2-in-1 Electronic Ultrasonic Repeller Anti Mouse & Mosquito 50/60Hz, Rats Control, Plug-in Non-Toxic Repellent, Pet & Kids Safe
Price: $12.86
Old Price: $15.5
DANOPLUS2-in-1 Electronic Ultrasonic Repeller Anti Mouse & Mosquito 50/60Hz, Rats Control, Plug-in Non-Toxic Repellent, Pet & Kids SafeMosquito Repellents China
GAIN EXPRESS HOLDINGS Seller
Digital Light Meter Luxmeter 0~100,000 Lux w/ Selectable Range x1 x10 x100, Handheld Illuminance Tester Sensor Illuminometer
Price: $14.58
Old Price: $15.51
DANOPLUSDigital Light Meter Luxmeter 0~100,000 Lux w/ Selectable Range x1 x10 x100, Handheld Illuminance Tester Sensor IlluminometerLevels And Small Ones
GAIN EXPRESS HOLDINGS Seller
10x 15x 20x 30x Loupe 21mm Optical Glass Magnifier 6 LED Light UV Light Mini Magnification Jeweller Black Frame Achromatic Lens
Price: $12.31
Old Price: $13.1
GAIN EXPRESS10x 15x 20x 30x Loupe 21mm Optical Glass Magnifier 6 LED Light UV Light Mini Magnification Jeweller Black Frame Achromatic LensMagnifiers
GAIN EXPRESS HOLDINGS Seller
Handheld MOISANITE TESTER Mounted Jewelry Loose Stone Tool Selector + Ultraviolet UV Light 2pt Jewel Stone No Calibration Needed
Price: $39.38
GAIN EXPRESSHandheld MOISANITE TESTER Mounted Jewelry Loose Stone Tool Selector + Ultraviolet UV Light 2pt Jewel Stone No Calibration NeededMagnifiers China
GAIN EXPRESS HOLDINGS Seller
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
6-in-1 Pen type Water Quality Meter pH Temperature Conductivity ORP TDS Salinity Tester optional ORP ( Made in Taiwan )
Price: $97.72
GAIN EXPRESS6-in-1 Pen type Water Quality Meter pH Temperature Conductivity ORP TDS Salinity Tester optional ORP ( Made in Taiwan )Ph Meters
GAIN EXPRESS HOLDINGS Seller