Environmental – Gain Express Wholesale Deals

PAR-414 Full-Spectrum Quantum PAR Meter Waterproof Sensor IP68 for Aquarium Reef Tank Plants PPFD Tester Indoor Plants, Garden, Farm, Hydroponics Photosynthetic Activity

Regular Price $92.90 USD

MAN-277 Digital Manometer Air Pressure Meter Differential Air Pressure Gauge Dual Port

Regular Price $38.07 USD

68022_2P Digital 2 Channels K-Type Thermometer w/ 4 Thermocouples (Wired & Stainless Steel), -50~1300°C (-58~2372°F)

Regular Price $16.40 USD

WQM-241 pH / EC / Temperature Meter ATC 3 in 1 Waterproof Pen Type Water Quality Combo Multi-Parameter

Regular Price $20.90 USD

$REBS-28ATC 2-in-1 Brix Salinity Refractometer Dual Scale 0-32% Brix & 0-28% Salinity with ATC Sodium Chloride in Food Salt Seawater Brine$

REBS-28ATC 2-in-1 Brix Salinity Refractometer Dual Scale 0-32% Brix & 0-28% Salinity with ATC Sodium Chloride in Food Salt Seawater Brine

Regular Price $12.90 USD

N03NF-388B Multipurpose Network LAN Cable Tester w/ 8 far-end test jacks

Regular Price $56.90 USD

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LX-1330B Digital Light Level Meter 200,000 Lux Photo Camera

Regular Price $24.90 USD

GM11 Mini 10X Jeweler Loupe Magnifier + LED & UV light, 21mm lens

Regular Price $12.90 USD

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E04-019 Digital Thermo-Hygrometer Thermometer Measure Dew Point & Relative Humidity RH

Regular Price $20.40 USD

DT-2350PA Digital Handheld Stroboscope with 50-12,000 FPM 110V/220V

Regular Price $91.90 USD

MC-7828GG Digital Grain Seed Moisture Meter Rice Coffee Wheat Tester 7~30% LED Indicator 36 Species

Regular Price $140.90 USD

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VA-8040 Moisture & Temperature Meter °C °F Wood Bricks Concrete Cement Lime Mortar CE Marking Dual Meter Tester

Regular Price $0.00 USD

GAM-391 Geiger Counter Nuclear Radiation Detector Handheld Dosimeter Beta Gamma X-ray Rechargeable Radioactive Monitor Tester Switchable 5 Dosage Units for Outdoor Industry Research and Personal Home Usage

Regular Price $40.90 USD

HTM-278 Digital Humidity Temperature Meter Psychrometer Thermo-Hygrometer

Regular Price $13.90 USD

CTM-276 Thickness Meter Gauge Digital HD Colored Display Car Paint Coating Tester

Regular Price $81.90 USD

RM-206 Digital Reflectance Meter 0~100 Range Portable Cryptometer Light Reflectivity Transparency Tester

Regular Price $196.90 USD

$REBS-10ATC Tri-Scale Optics Refractometer ATC 0-10% Brix, Salinity 100 PPT , Density 1.000 to 1.070 g/cm3 & Salinity for CNC Cutting Liquid Coolant Salt Sea Water Aquarium Tank Marine$

REBS-10ATC Tri-Scale Optics Refractometer ATC 0-10% Brix, Salinity 100 PPT , Density 1.000 to 1.070 g/cm3 & Salinity for CNC Cutting Liquid Coolant Salt Sea Water Aquarium Tank Marine

Regular Price $12.90 USD

HTM-49 Gain Express Digital Humidity & Temperature Meter Hygrometer Psychrometer, Dew point and Wet-bulb Temperature range -20~70°C, Humidity range 0~100%RH, Min/Max Hold, LCD Backlight

Regular Price $16.90 USD

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PH-025RE Digital pH Monitor Meter ATC 0~14.00pH Replaceable Electrode BNC Probe

Regular Price $15.90 USD

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E-2627 PH Probe with BNC Connector, 150cm Long Cable 0-14pH Test Sensor Electrode for PH Meter Monitor Controller

Regular Price $0.00 USD