GAIN EXPRESS

4.9

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Products of the GAIN EXPRESS range from £17.9 to £118.9, and the average price of all the products is about £37.31. So your total expense can vary depending on the products chosen, which allows you to choose products according to your budget.

GAIN EXPRESS offers a variety of products, there are 255 products available, 20 of which were analyzed in detail and recommended to customers. The GAIN EXPRESS review aims to sharpen your understanding of the brand and introduces you to their bestselling products. Just keep reading!

GAIN EXPRESS Best Sellers

Last Updated: 14 Jun 2023

10X 21mm Lens Magnification Mini Folding Jewelers Eye Loupe Jewelry Magnifier for Gems Jewelry Rocks Stamps Coins Watches Hobbies Antiques Gems, Coins, Stamps

Coins Magnifying Glasses Magnifying Glasses

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10X MAGNIFICATION , 2-IN-1 with 6 LED Light and UV light and 21mm triplet lens to enable achromatically and alphabetically corrected.

Natural white light helps to look at inclusions, perfect light for viewing diamonds and other gemstones. One switch for LED and UV, functions as either LED loupe or UV loupe.

Made with the finest quality optics and with top quality metal cases

Achromatic & aplanatic optical glass magnifier

Ideal for inspecting diamonds, gemstones, watches, and many more applications

Handheld Digital Humidity & Temperature Meter 0~100% RH/ -30~70°C (-22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor

Digital Hygrometers Hygrometers

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PORTABILITY. It's small enough to put it in your pocket without any problem. You can carry it anywhere anytime.

SIMPLE OPERATION. Operate using 2 buttons only. Temperature reads in °C/°F. It responds quickly and shuts down automatically when not in use.

WIDE APPLICATIONS. It can measure a wide range of temperature and humidity at once, it's best fit in agriculture, meteorology, household, lab, warehouse, air conditioning system, quallity control and other applications that require monitoring and instant checking of humidity and temperature

STABLE & PRECISE. comes with high precision sensor, quick response, high stability readings, plus it has MAX/MIN measurements and freezes readings when you want to.

BACKLIGHT LCD DISPLAY. Dual large display of Temperature & Humidity with Backlight. You can see the reading even in a dark environment.

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Professional Decibel Meter, Digital Sound Level Meter with Backlight Display High Accuracy

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Measurement range: 30~130dBA

Frequency response: 31.5~8.5KHz, Auto Range and A/C weighting

Calibration sound source: 94dB @ 1kHz

CE Certified & RoHS Compliant

Magnifying Mini Folding 21mm Optic Lens Glass Jewellers Lens Loupe with LED Light for Map, Jewelry, Diamonds, Gems, Coins, Stamps (20 x Magnification + LED and UV Lights)

Magnifying Glasses

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Magnification Power: 20x

Achromatic - Corrected for color distortions, for true color viewing With 2 Lightings:

Mini Jeweler Loupe 20X Magnifier , 21mm Lens

Loupe with 6 LED lights

Built-in band of six LED lights wrapping round the edge of the lens

Digital 2 Channels K-Type Thermometer w/ 4 Thermocouples (Wired & Stainless Steel), -50~1300°C (-58~2372°F) Handheld Desktop High Temperature Kelvin Scale Dual Measurement Meter Sensor

Digital Industrial Thermometers Lab Digital Thermometers

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WIDE MEASUREMENT TEMPERATURE RANGE - Range of the main unit is -50°C ~ 1300°C (-58°F ~ 2372°F); Includes 2 thermocouples that can measure from -50 to 400°C (-58 to 752°F). Comes with °C, °F and K temperature modes

SET WITH 4 THERMOCOUPLES- 2 Thermocouples with bead-type tips and 2 Extra Stainless Steel Thermocouples

PROTECTED BY SILICON RUBBER HOLSTER - The main unit is protected by a removable silicon rubber holster, it protects your device from an accidental drop and extends its life

HIGH MOBILITY & EASY OPERATION - Battery-operated, portable and built-in foldable stand and only operate with 6 simple buttons with clear indications, suitable for beginners and professional users.

2 Temperature display with DIFFERENTIAL TEMPERATURE (T1-T2) - Apart from Max/Min/Average, Data Hold, Auto power-off function, this K-type Thermometer has specially designed a "T1-T2" calculation function that facilitates users to find the difference between 2 samples easily

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Professional Digital Manometer, Portable Handheld Air Vacuum/Gas Pressure Gauge Meter 11 Units with Backlight, ±13.78kPa ±2PSI, Suitable for Differential Pressure of 1-2 Pipes, Ventilation,etc

Pressure & Vacuum Measurement

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Repeatability: ±0.2% (Max±0.5%FSO), Linearity/Hysteresis: ±0.29% FSO

Pressure Range: ±2psi, Accuracy: ±0.3% FSO (at 25C)

Large LCD with backlight with Zeroing, offset, and data compensation function

Ideal tools for measuring the air pressure of a single pipe, the differential pressure of two pipes, ventilation, air condition systems, gas pressure system, etc.

0.5 seconds fast response time and 11 selectable units of measurement with Max/ Min/ Average reading record function

GAIN EXPRESS 30x Magnification Jewelry Gem Loupe with UV & 6 LED Light, 21mm Optical Glass Triplet Magnifiers Lens Portable Handheld Magnifying Tool

Magnifying Glasses

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30x Magnification Power with 6 LED light + UV Light , 21mm Lens

Triplet magnifiers (3 lens) bonded together to correct spherical & chromatic aberrations eliminating color degradation & every part of wide field of view in sharp focus for optimum chromatic performance & true color clarity.

Made with the finest quality optics and with top quality metal cases

FEATURES: Foldaway Loupe and Black frame, designed not to reflect light onto the object being viewed

Emits a cool bright light that produces bright image and good visibility, even in poor light conditions

Digital EMF Tester Electric and Magnetic Field Radiation Detector Temperature Measure with Color-screen Display and Rechargeable Battery Handheld Tool

Multi Testers

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Magnetic Field Radiaition: (1)Range: 0.01μT-99.99μT (2)Accuracy: 0.01μT (3)Alarm threshold: 0.4μT

Electric Field Radiaition: (1)Range: 1V/m-1999V/m (2)Accuracy: 1V/m (3)Alarm threshold: 40V/m

POWER SOURCE: Comes with USB Cable, Rechargeable battery strenght indicator is display on the screen and the meter will automatically shut down after 5 minutes of no operation

FEATURES: Sound and light alarm (when the test result exceeds the safe value), Data Hold feature, Temperature measurement and with Backight function

APPLICATION: Electromagnetic radiation monitoring (House and apartment, office, outdoor and industrial site), Electromagnetic radiation test (Mobile phone, computer, TV set, refrigerator and high voltage cable radiation test), Radiation protection product test (Test effects of radiation-proof clothes, radiation proof film and other radiation prevention products)

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Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory

Lab pH Meters

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Multi-points Calibration: Up to 3 Points PH calibration (pH 7.0 / pH 4.01 / pH 10.01). It has advance one touch calibration function with automatic buffer recognition to avoid errors.

FEATURES: Large screen monitor with smart backlight which allows you to read easily even in dark sorroundings. pH and Temperature display with low battery indicator and the unit operates power saving mode.

POWER SOURCE: The monitor is operated with 4 x AA Alkaline Battery. It will go into power saving mode after around 5 minutes. In this way, it can provide battery life time for at least 3 months.

HIGHLY ACCURATE MEASUREMENT: It has separate probe. When taking a measurement, simply place your probes into the solution and and then the accurate readings will be displayed on screen.

ATC (Automatic Temperature Compensation): The monitor has ATC function so it will decrease the error of PH readings caused by the fluctuation of water temperature.

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Digital Pinless Non-invasive Inductive Moisture Meter Hard Soft Wood Drywall Masonry Scanner Tricolor Bar Graph Indicator Intelligent Lumber Timber Board Wet Dry Tester Traders Craftsmen DIY

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BIG & CLEAR DISPLAY - Measurement is shown on its 2-inch monitor with backlight, clearly observe even in basements without adequate lightings.

INTELLIGENT GAUGE - No need to dig two pins into the surface anymore. This is a non-invasive & non-marring pinless moisture meter with an electromagnetic sensor located on its back. Its intelligent design allows users to measure wood moisture content without damaging the testing sample.

TRICOLOR INDICATOR - A tricolor LED bar graph indicator is built under the display monitor. Green, yellow and red LED lights up indicating Dry, Normal and Wet moisture level. Measurement is easily understandable even for beginners.

OTHER FUNCTIONS - With buzzer alarm, data hold, auto power off, auto calibration. Ideal for craftsmen, DIY enthusiasts, woodworkers, contractors, building inspectors, water damage remediates, timber industry.

BUILT-IN 4 TYPES OF MATERIAL SETTING - separate settings for (1) Drywall, (2) Masonry, (3) Softwoods and (4) Hardwoods. Taking different kinds of density into account provides a more accurate moisture measurement result.

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10X Illuminated Jewelers Loupe Magnifier with Interchangeable Reticle Scale, LED Light, 25mm Field of View, for Jewelry,Gems, Coins, Hobby Tool (1 Glass Scale Chart)

Magnifying Glasses

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10X SHARP FOCUS MAGNIFICATIONS - The optical lens of up to 10x zoom, the small details can be truly magnified without distortion. 25mm Fiel of View to provide a larger viewing area that allow you convenient to check.

SUPER CLEARLY & HIGH TRANSMITTANCE - It has 8 LED Lights ,which can clearly magnify the details, will not easy to cause visual fatigue even you use for a long time.

SCALE CHART - for different measuring range applications and viewing purposes

WIDE APPLICATIONS - This magnifier is a essential tool for reading newspapers, magazines, exploring science, reading maps, appreciating antiques, inspecting collectibles and jewelry, etc. Everything is under your sight.

STYLISH LEATHER CASE - It also come with a soft artificial leather case to protect the lens,also quite convenient to carry at hand and store anywhere.

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Fish Finder Wireless Sonar Sensor 125kHz Frequency 45 Meters / 147 Feet Depth Alarm Function and Large LCD Display

Marine Electronics

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SENSOR FEATURES: With LED indicator that helps identify when it's charging or working, it has fish attractive lamp, line hole with built-in rechargeable battery

DISPLAY FEATURES: The sonar fish finder displays water depth, fish approximate location, fish size (small,middle,big), water temperature, bottom contour and so on. The measurement unit can be freely switched in (M/°C, M/°F, Ft/°C, Ft/°F)

Multi-Language Setting: 21 language selection English / German / French / Italian / Spanish / Russian / Bulgarian / Chinese / Japanese / Korean / Dutch / Swedish / Polish / Finnish / Greek / Danish / Czech / Portuguese / Romanian / Hungarian / Slovak

APPLICATION: sonar fish finder is ideal for different fishing situation like ice fishing, kayak fishing, boat fishing and bank fishing, etc

ADJUSTIBILITY: 2.4-inch color TFT LCD, and can adjust the sensitivity, brightness, and chart speed setting. Depth upper and lower limit setting can also be adjusted.

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Salinity & Temp Meter Pen Type Salt Water Quality Tester ATC NaCl, 9999 ppm / 100.0ppt/ 10% / 0.95-1.08 SG Measurement Units 4-in-1 Checker for Saltwater Aquarium Pond Food Pool Cooking Seawater

Lab pH Meters

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DISPLAY: Dual Temperature and Salinity in three measurement units (ppm, %, S.G) / 30 x 18mm LCD Size

MEASURING RANGE: 0~9999 ppm or 10.0ppt~100.0ppt or 0.0%~10.0% or 0.950~1.080 (S.G.) based on NaCl with ±%F.S ±1 digit / ±0.5°C Accuracy

POWER SUPPLY / SENSOR : 4 x LR44 button batteries

FEATURES: Waterproof IP65 / One touch calibration / Auto power off and Non-Sleep mode disable / Multi points calibration

GAIN EXPRESS Large-Capacity Battery Organizer and Storage Case with Battery Tester Flexible Battery Carrying Holder Container (Not Includes Batteries) (Battery Organizer)

Household Battery Holders

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Protection for your batteries: the durable and water/scratch-resistant case prevents external damage to the batteries.

Key to home and workplace safety: solid exterior of the case that minimizes the danger and loss caused by battery friction and explosion should they happen.

Removable sponges: allows you to flexibly organize and customize the ideal combination of battery storage. Move the sponges to the compartment to leave more space for larger batteries.

Organized storage of batteries: even a glimpse of the case allows you to know what is in stock and quickly get the right battery. Store many and different types of batteries: AA, AAA, C, D, 9V, 1.5V button cell (AG13, LR44, LR1154, 157, 357A, GPA76, A76, 357A, SR44, LR54) and 3V lithium (CR2032, CR2025, CR2016, CR1632, CR1620, CR1616).

Battery tester included: easy and instant check on the power level of different batteries, indicating when to replace and recycle them.

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2-in-1 Chlorine & PH Meter Swimming Pool Tester, CL2 Level Meter Test Spa Water Quality Analysis Monitoring Monitor Analyzer, Handheld Portable

Pool & Hot Tub Testers

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Ideal for keeping your pool or spa within the safe Chlorine and PH ranges

Critical tool for fast and accurate ph & chlorine readings

Recommended Chlorine Level for pool and spa: 2 to 1.7ppm and 7.2 to 7.8ph for PH Level for pool and spa

Light weight and easy to carry

An electro-tester for testing pH and chlorine (Cl2) levels in water for routine monitoring of pH and chlorine levels of swimming pools, spas and different water sources

Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Professional Noise Decibel Calibration Tool Measurement (Digital Calibrator 94dB & 114dB with LCD)

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Fits ½ inch and 1 inch microphones (includes ½ inch adapter)

Two output levels of 94dB and 114dB with Output frequency of 1000±0.1%Hz (allows calibration with A,B,C or D weighting networks or linear)

Easy One handed operation with low battery indicator

Battery life approx. 100 hours and Conforms to IEC942 Class 1

Altitude Effects: Approximately0.1dB decrease for each 2000ft increase in altitude from the sea level to 12,000ft elevation or comparable atmospheric pressure change (approx. every 50mm of Hg decrease)

0-32% Brix Refractometer ATC High-Concentrated Sugar Solution Content Test Tool 0.2% Division, Homebrew Tester Meter, Brandy Beer Fruits Vegetables Juices Soft Drinks

Brewing Refractometers

$0-32% Brix Refractometer ATC High-Concentrated Sugar Solution Content Test Tool 0.2% Division, Homebrew Tester Meter, Brandy Beer Fruits Vegetables Juices Soft Drinks Cover$

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Especially useful in measuring the ripeness (sugar content) of fruit juice, such as grapes, in degrees brix, also an ideal tool for measuring brix in beer and wine

0-32% Brix Range with 0.2% Division and Accuracy of ±0.2% Brix

Made with highest and finest materials

Easy calibration simply by distilled water

Automatic temperature compensation (ATC) for immediate and accurate calibration readings, regardless of ambient temperature

Automotive Circuit Tester Tracer Wire Short Circuit Finder DC 42V Circuit Breaker Tracker Short and Open Finder Detector Probe Car Diagnostic Tools

Circuit Testers

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[Check Short Circuit] Receiver: On/Off button / Test button / Probe length: 7" flexible probe

[Easy to use] Transmitter and Receiver LEDs show open or short circuit conditions

[Suits 42V ] DC Voltage: Operates not exceeding 42 volts

[Locate Open Circuit] Sender:Tone/Off/Cont (Continuity) switch / Tone/Cont (Continuity) LEDs / Red and black test leads cable (61cm length, approximate)

[Flexible Probe] 7" flexible probe allows reaching wires in congested places

Desktop CO2/RH/Temp 3 in 1 Monitor, Indoor Air Quality 9999 ppm Carbon Dioxide/Humidity/Temperature Deg C/F Meter Tester Detector, for Home/Office/Laboratory/Room/Classroom

Gas Detectors

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Resolution : CO2 :1ppm / Air Temp.:0.1°C / 0.1°F / Air RH%:0.1%RH

Measuring Range : CO2 : 0~2000ppm 2001~9999 (out of scale) / Air Temp. : -10°C~60°C (14°F~140°F) / Air RH% : 0.1%RH~99.9%RH

Response: CO2:

Accuracy: CO2 : 50ppm ±5% of reading / Air Temp.:±0.6°C, ±0.9°F / Air RH%: ±5%RH (at 25°C, 10~90% RH)/±7%RH (at 25°C, 90% RH)

Pocket Diffraction Grating Gemological Spectroscope for Quick Gemstone Identification and GIA Use

Scales

$Pocket Diffraction Grating Gemological Spectroscope for Quick Gemstone Identification and GIA Use Cover$

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Bring it with you on buying trips, vacations, or to trade shows

Compact, pocket size makes it great for traveling

Made of aircraft aluminum and finest optics.

GAIN EXPRESS FAQs

How much do GAIN EXPRESS products cost?

10X 21mm Lens Magnification Mini Folding Jewelers... is the top 1 product we recommend in the GAIN EXPRESS buying guide, which is priced at £19.5, you can view it on Amazon page.
Handheld Digital Humidity & Temperature Meter 0~10... is one of the popular products we recommend in the GAIN EXPRESS buying guide, which is priced at £22.5, you can view it on Amazon page.
GAIN EXPRESS Large-Capacity Battery Organizer and... is the cheapest product in the GAIN EXPRESS picks list, which is priced at £17.9, you can view it on Amazon page.
Sound Level Meter Calibrator 94dB & 114dB for 1/2"... is the most expensive product in the GAIN EXPRESS picks list, which is priced at £118.9, you can view it on Amazon page.

Where can you buy GAIN EXPRESS products?

You can purchase GAIN EXPRESS products from the seller JNPRO LTD, over the last 12 months, the seller has received honest feedback from 42 consumers, and the average rating is 4.85. The shop has a good reputation so you can purchase from it with confidence.

What do customers think of GAIN EXPRESS?

We did a questionnaire online and hundreds of customers participated in this survey, the consumers rated the products in terms of quality, user experience and other aspects. The results of the questionnaire demonstrate how much customers appreciate their products. It's safe to say that most customers are overwhelmingly satisfied with their purchases and GAIN EXPRESS is worth your consideration.

Who are the manufacturers of the GAIN EXPRESS products?

Most of the GAIN EXPRESS products are produced by Gain Express Holdings Ltd and Gain Express Holdings Ltd.. The manufacturer provides GAIN EXPRESS with a steady supply of products, and they have a good cooperative relationship with each other.

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