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-45% Off

Oxygen Data Logger Analyzer with NIST Calibration - Portable Dissolved Oxygen Meter for Water Quality Testing in Aquariums, Pools, and Laboratories

$492.25

$895

-45% Off

Ozone Analyzer with Data Logging & NIST Calibration - Accurate Air Quality Monitoring for Labs, Industrial Safety, and Environmental Testing

$272.25

$495

-45% Off

Ozone Analyzer with Data Logging & NIST Calibration | High Precision 0.01ppm Detection | for Air Quality Monitoring, Industrial Safety & Environmental Testing

$657.25

$1195

-45% Off

Ozone Detector with NIST Calibration - Portable Air Quality Monitor for Home, Office & Industrial Use | Accurate O3 Gas Detection for Safety & Health Protection

$178.75

$325

-45% Off

Ozone Monitor Wall Mount - NIST Calibration Certified | Accurate Air Quality Detection for Home, Office & Industrial Use

$382.25

$695

-45% Off

Ozone Bromine Chlorine Test Strips - 50 Count Water Testing Kit for Hot Tubs, Pools & Spas | Accurate pH Level Measurement for Clean & Safe Water

$54.45

$99

-45% Off

Pentane Gas | 50% LEL in Air | Industrial & Laboratory Use for Combustion Testing & Safety Monitoring

$77

$140

-45% Off

Phosphine Gas Detector | 10 ppm | Portable Gas Leak Monitor for Industrial Safety, Agriculture & Warehouse Fumigation | Home & Lab Use

$154

$280

-45% Off

24V Power Supply & Cable - High Efficiency AC/DC Adapter with Durable Cord for LED Strips, CCTV Cameras, and Home Electronics

$11

$20

-45% Off

THT Gas Detector - Portable Tetrahydrothiophene Leak Detector for Industrial Safety & Environmental Monitoring | Ideal for Chemical Plants, Laboratories & Oil Refineries

$519.75

$945

-45% Off

50 ppm VOC Gas Detector - Portable Air Quality Monitor for Home, Office & Industrial Safety | Leak Detection & Indoor Pollution Testing

$154

$280

-45% Off

4-in-1 Gas Detector - CO/O2/CH4/H2S Monitor with Wall Mount & Alarm - NIST Certified for Home & Industrial Safety (Kitchen, Garage, Workshop)

$767.25

$1395

-45% Off

5 Gas Analyzer for Automotive Exhaust Emission Testing - Measures CO, O2, HC, NOx & CO2 Levels | Vehicle Inspection & Environmental Compliance Tool

$1097.25

$1995

-45% Off

Portable Acid Gas Detector with NIST Calibration Certificate | Accurate H2S, SO2 & CO Detection for Industrial Safety & Confined Space Monitoring

$274.45

$499

-45% Off

Alligator Clip Cover for Car & Aircraft Detector - Durable Insulated Protector for Battery Terminals | Perfect for Automotive Repair, Aircraft Maintenance & DIY Electrical Projects (FD CAR002)

$10.45

$19

-45% Off

6-Inch Alligator Probe for Exhaust Pipe Inspection - Durable Automotive Diagnostic Tool for Mechanics & DIY Enthusiasts (Perfect for Engine Maintenance & Emissions Testing)

$24.75

$45

-45% Off

Ammonia Gas Detector with NIST Calibration - Portable NH3 Monitor for Industrial Safety, Refrigeration, and Agricultural Use

$217.25

$395

-45% Off

High Accuracy Ammonia Sensor (NH3) 0-100 ppm for Industrial, Agricultural, and Home Air Quality Monitoring | Reliable Gas Detection for Farms, Refrigerators, and Smart Home Systems

$52.25

$95

-45% Off

Argon Analyzer - 0-100% Leak Detection with NIST Calibration | High-Precision Gas Analysis for Laboratories & Industrial Applications

$547.25

$995

-45% Off

4-Gas Detector with Pump | Portable Multi-Gas Monitor for CO, O2, H2S, LEL | NIST Calibrated in USA | Ideal for Industrial Safety, Confined Space & Construction Site Monitoring

$178.75

$325

-45% Off

Benzene Gas Detector with NIST Calibration - Portable VOC Monitor for Industrial Safety & Home Air Quality Testing

$1042.25

$1895

-45% Off

FD 4A Calibration Cap - Professional Lens Calibration Tool for DSLR & Mirrorless Cameras | Perfect for Photography Studios & Outdoor Shooting

$5.5

$10

-45% Off

FD 90E & FD 91 Calibration Cap - Precision Tool for Flow Meter Calibration | Ideal for Industrial & Laboratory Use

$5.5

$10

-45% Off

High Precision Carbon Dioxide (CO2) Data Logger Analyzer 0-100% with NIST Calibration | Indoor Air Quality Monitor for Greenhouses, Labs & Offices

$767.25

$1395

-45% Off

High Accuracy Carbon Dioxide (CO2) Meter 0-100% Range with NIST Calibration | Indoor Air Quality Monitor for Home, Office & Classroom

$272.25

$495

-45% Off

Carbon Dioxide (CO2) Bump Gas - Industrial Grade for Welding, Beverage Carbonation & HVAC Systems" 或者更详细版本： "High-Purity Carbon Dioxide (CO2) Gas Cylinder - Industrial & Food Grade for Welding, Beer Brewing, Soda Carbonation & Refrigeration Systems" （注：根据实际产品属性选择适用场景，如焊接/饮料碳酸化/HVAC系统等）

$71.5

$130

-45% Off

Carbon Monoxide Gas Detector | 10 ppm CO Alarm | Home & Industrial Safety for Kitchen, Garage, RV, and Workplace

$77

$140

-45% Off

Carbon Monoxide Gas Detector - 500 ppm CO Alarm for Home & Industrial Safety | Ideal for Garage, Kitchen, RV, and Workplace Protection

$77

$140

-45% Off

Carbon Monoxide Detector with Pump - NIST Calibrated CO Meter for Home, Garage & RV Safety Monitoring

$96.25

$175

-45% Off

Carbon Monoxide Detector with NIST Calibration | Portable CO Alarm for Home, Garage & RV Safety | Digital CO Meter for Indoor Air Quality Monitoring

$48.95

$89

-45% Off

Carbon Monoxide Detector & Bump Gas Tester - Home & Industrial Safety Alarm for Kitchen, Garage, RV | Portable CO Gas Leak Monitor

$71.5

$130

-45% Off

Chlorine Gas Detector with NIST Calibration - Portable & Accurate for Industrial Safety, Water Treatment, and Pool Monitoring

$217.25

$395

-45% Off

10 ppm Chlorine Gas Detector - Portable & Accurate for Industrial Safety, Water Treatment, and Pool Maintenance

$154

$280

-45% Off

CO2 Monitor with Plug-in 110V AC Power - Indoor Air Quality Detector for Home, Office & Classroom Use

$54.45

$99

-45% Off

Combustible Gas Detector Analyzer with EX LEL Sensor | NIST Calibrated for Accuracy | Portable Gas Leak Detection for Industrial Safety & Home Use

$217.25

$395

-45% Off

Combustible Gas Detector EX LEL - Wall Mounted Gas Leak Alarm with NIST Calibration Certificate | Home & Industrial Safety for Kitchen, Garage, and Workshop

$327.25

$595