Environmental – Gain Express Wholesale Deals

EMF-509 Solar Panel Meter 5-1800W MPPT Tester with Auto/Manual Detection Voltage, Current, Photovoltaic Panel Multimeter for PV Systems

Regular Price $56.90 USD

LUX-485 Bluetooth Light Lux Meter with Data Logging Function 0.1~200000LUX / 0.01~20000FC Visible Brightness Measurement High Precision Light Sensor Illuminance Tester

Regular Price $11.90 USD

LUX-484 Lux Light Meter for Visible Brightness Measurement with 0.1~200000LUX / 0.01~20000FC Range Ideal for Warehouses, Factories, Hospitals, and Schools

Regular Price $8.90 USD

HTM-495 Moisture Meter for Drywall, Wood Moisture Meters for Walls, Firewood Floor Humidity Detector Lumber Humidity Tester Paper Ceramic Ceiling Firewood Cardboard Humidity Building Material

Regular Price $28.90 USD

Mini Pro Series OTDR: Compact and Multifunctional Fiber Optic Tester OPM, LS, VFL, RJ45 Cable Tracking for FTTX, Network Construction, etc.

Regular Price $202.90 USD

Professional 8-in-1 Fiber Optic Tester Multifunctional OTDR for FTTx and Network Maintenance 3.5-inch Display Screen, Rechargeable, 600 Internal Storage

Regular Price $150.90 USD

GEM-460 Portable 93mm Length LED Gemstone Polariscope, Dual Lens with 28mm Diameter, Built-in LED Light for Jeweler, Gemologist Tool

Regular Price $23.90 USD

PHM-443 Digital Pentype pH Meter High Accuracy Colored Screen | Red Backlight Alarm | 3-Point Calibration with Temperature Measurement ATC Function for Liquids in Laboratory Food and Medicine Industry

Regular Price $21.90 USD

LUX-426 Split Type Digital Light Lux Meter with Temperature Measure Colored LCD Display Illuminance Meter for Luminosity Measuring & Monitoring

Regular Price $31.90 USD

VAR-412 Mini Camera Digital Video Recorder Body Cam 1080P Rotating Lens Camcorder Video Audio Record Night Vision Motion Detection Loop Recording Body Camera for Law Enforcement, Security Guard, Travel, Lecture Record

Regular Price $31.90 USD

SLM-411 Digital Sound Level Meter 30~130 dBA Decibel Meter Capacitive Microphone Sensor dB Tester 30~130dB SPL Monitor IP54

Regular Price $9.90 USD

AQM-399 Carbon Dioxide CO2 Monitor Indoor Air Quality Meter Temperature Humidity Tester Face Icon Colored Display with Alarm 400~5000PPM NDIR Sensor

Regular Price $29.90 USD

AQM-356 CO2 Controller & Monitor Auto Detect Day Night Carbon Dioxide CO2 Meter with 15ft Remote Dual Beam NDIR Sensor for Greenhouse, Grow Rooms, Hydroponics Rooms

Regular Price $110.90 USD

PAR-355 Light PAR Meter Advanced Quantum Sensor Measure Grow Light Intensity Lux Meter PPFD Tester for Indoor and Outdoor Plant Photosynthetic Activity

Regular Price $68.90 USD

WQM-354 Water Quality Tester 4-in-1 TDS Temperature S.G Salt Salinity Meter with ATC for Testing Drinking Water, Aquaculture, Aquarium, Hydroponics, Swimming Pools

Regular Price $11.94 USD

PHC-342 Digital PH / ORP Controller with Monitoring and Dosing in Water Digital pH Meter Redox Temp Tester App Remote Online Monitor for Swimming Pool Aquaculture Fishpond

Regular Price $54.90 USD

Sold Out $RHCN-200ATC New Handheld 0-12g/dl ATC Clinical Refractometer$

RHCN-200ATC New Handheld 0-12g/dl ATC Clinical Refractometer

Regular Price $19.90 USD

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THE-35 Instrument Infrared Thermometer Instant-read Measuring Range -50~950°C (-58~1742°F), Industrial Chemicals Machinery Cooking Household Used

Regular Price $23.93 USD

GEM-309LI 30x Magnification Magnifying Glass Jewelers Loupe, 6 Lights Desktop Metal Magnifier Portable Folding Scale Eye Loop for Textile Optical Jewelry Tool Coins Currency Stamps Rechargeable Battery

Regular Price $7.90 USD

CLMG-7173_LED+3 Magnifier Scale Loupe 10x Magnification 8 LED Light 20mm Interchangeable 4 Glass Reticle Scale Chart 25mm Field of View

Regular Price $28.50 USD