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11% off

Hydrogen sulfide detector H2S sensor transmitter RS485 odor concentration monitoring garbage station public toilet breeding

$237.88~~$267.28~~

1 sold

SEES TKE Elevator Door Hanger Roller Use for kone Fermator Concentric 48146002 Thyssenkrupp OD48mm W14mm Bearing6002

$320.00~~$320.00~~

1 sold

Ammonia detector Ammonia tester Ammonia detector NH3 concentration gas analyzer Temperature Hygrometer

$712.14~~$712.14~~

1 sold

45% off

$0-55% Digital Brix Meter Tester Professional Refractometer with Battery Fruit Juice Drinks Sugar Meter High Concentration$ $0-55% Digital Brix Meter Tester Professional Refractometer with Battery Fruit Juice Drinks Sugar Meter High Concentration$

0-55% Digital Brix Meter Tester Professional Refractometer with Battery Fruit Juice Drinks Sugar Meter High Concentration

$35.60~~$64.72~~

1 sold

15% off

$Digital Beer Wort Refractometer Brix 0-50% Specific Gravity 1.000-1.130 Electronic Hydrometer LCD Brewing SG Wine Alcohol Meter$ $Digital Beer Wort Refractometer Brix 0-50% Specific Gravity 1.000-1.130 Electronic Hydrometer LCD Brewing SG Wine Alcohol Meter$

Digital Beer Wort Refractometer Brix 0-50% Specific Gravity 1.000-1.130 Electronic Hydrometer LCD Brewing SG Wine Alcohol Meter

$84.99~~$99.99~~

1 sold

20% off

$Electronic Coffee Refractometer 0-30% Brix Sugar Meter TDS 0-25 Coffee Concentration Meter Coffee Refractometers Measure Tools$ $Electronic Coffee Refractometer 0-30% Brix Sugar Meter TDS 0-25 Coffee Concentration Meter Coffee Refractometers Measure Tools$

Electronic Coffee Refractometer 0-30% Brix Sugar Meter TDS 0-25 Coffee Concentration Meter Coffee Refractometers Measure Tools

$95.20~~$119.00~~

1 sold

33% off

$RZ Digital Refractometer Automotive Antifreeze Ethylene Propylene Glycol -2 Refractometer Freezing Cleaner Battery Refractometer$ $RZ Digital Refractometer Automotive Antifreeze Ethylene Propylene Glycol -2 Refractometer Freezing Cleaner Battery Refractometer$

RZ Digital Refractometer Automotive Antifreeze Ethylene Propylene Glycol -2 Refractometer Freezing Cleaner Battery Refractometer

$85.73~~$127.96~~

1 sold

10% off

High Accuracy High Quality Oxygen Concentration Content Tester Oxygen Detector Monintor Meter

$624.50~~$687.32~~

1 sold

Air Ion Tester High Concentration of +/- Air Ion Portable Negative Ion Concentration Detector With Peak Maximum Hold LCD Display

$400.13~~$400.13~~

1 sold

$Salinity Refractometer 0 to Salinometer Sea Water Salt Concentration Tester$ $Salinity Refractometer 0 to Salinometer Sea Water Salt Concentration Tester$

Salinity Refractometer 0 to Salinometer Sea Water Salt Concentration Tester

$37.14~~$37.14~~

2 sold

20% off

DR602 Digital Display Urea Concentration Meter for Vehicle Urea Concentration Detection Exhaust Gas Treatment Fluid Detection

$77.23~~$96.54~~

2 sold

Diameter 150mm Large Optical PMMA Plastic Big Solar Fresnel Lens Focal Solar Concentrator Large Magnifying Glass

$36.88~~$36.88~~

1 sold

$Cutting fluid concentration meter HZ-90B cleaning fluid drawing oil refractometer content percentage refractometer$ $Cutting fluid concentration meter HZ-90B cleaning fluid drawing oil refractometer content percentage refractometer$

Cutting fluid concentration meter HZ-90B cleaning fluid drawing oil refractometer content percentage refractometer

$435.00~~$435.00~~

1 sold

2% off

Oxygen concentrator filter Y007-3 Y007C-3W Y007-5 Oxygen Doctor 3L5L oxygen machine filter

$260.92~~$266.24~~

1 sold

25% off

Air Negative Ion Tester Ion Meter Aeroanion Detector Negative Oxygen Ions Concentration Detector

$33.97~~$45.30~~

1 sold

$Gem Gemological Gemelogy Refractometer with Built-in LED Light + RI Oil + 1.30 - 1.81 RI Range + 0.01 nD Scale Division$ $Gem Gemological Gemelogy Refractometer with Built-in LED Light + RI Oil + 1.30 - 1.81 RI Range + 0.01 nD Scale Division$

Gem Gemological Gemelogy Refractometer with Built-in LED Light + RI Oil + 1.30 - 1.81 RI Range + 0.01 nD Scale Division

$64.06~~$64.06~~

1 sold

3% off

$1.30-1.81 Gem Refractometer with LED Flashlight Jewelry Gemstone Refractometer High Precision Zircon Gemstone Detector$ $1.30-1.81 Gem Refractometer with LED Flashlight Jewelry Gemstone Refractometer High Precision Zircon Gemstone Detector$

1.30-1.81 Gem Refractometer with LED Flashlight Jewelry Gemstone Refractometer High Precision Zircon Gemstone Detector

$50.51~~$52.50~~

1 sold

32% off

Air Negative Ion Tester Ion Meter Aeroanion Detector Negative Oxygen Ions Concentration Detector

$32.44~~$47.71~~

2 sold

5% off

Co2 Transmitter Air Duct Carbon Dioxide Sensor Agricultural Pipe Greenhouse Gas Concentration Detector

$291.02~~$306.34~~

1 sold

50% off

Portable High Accuracy Oxygen Concentration Content Tester Oxygen Detector Monintor Meter

$62.53~~$125.06~~

2 sold

8% off

$Digital Refractometer Brix Meter Fruit Juice Beverage Wine Beer Alcohol Content Measuring Tool Concentration 0-35% Sugar Meter$ $Digital Refractometer Brix Meter Fruit Juice Beverage Wine Beer Alcohol Content Measuring Tool Concentration 0-35% Sugar Meter$

Digital Refractometer Brix Meter Fruit Juice Beverage Wine Beer Alcohol Content Measuring Tool Concentration 0-35% Sugar Meter

$35.70~~$38.90~~

1 sold

Bluetooth Digital Dissolved Oxygen Meter Professional Dissolved Oxygen Analyzer Oxygen Concentration Tester 0,0-40.0 mg/L

$61.92~~$61.92~~

1 sold

10% off

Particulate matter detector transmitter air quality haze concentration temperature and humidity PM2.5/10 dust sensor

$315.00~~$350.00~~

1 sold

24% off

5PCS ZE08-CH2O/ZE08B-CH2O Winsen Electrochemical CH2O Detection Module, A Serial Port Output Module Gas Concentration Detection

$70.30~~$92.50~~

1 sold

3% off

AGc12 Carbon Dioxide Controller Dual Channel Automatic Greenhouse Plants CO2 Concentration Control Pressure Reducer US EU Plug

$50.47~~$52.15~~

1 sold

35% off

$1.30 ~ 1.81 RI Range Gemology Gemstone Gemalogical Gem Refractometer W/ Monochromatic Light Filter And Polarizing Lens$ $1.30 ~ 1.81 RI Range Gemology Gemstone Gemalogical Gem Refractometer W/ Monochromatic Light Filter And Polarizing Lens$

1.30 ~ 1.81 RI Range Gemology Gemstone Gemalogical Gem Refractometer W/ Monochromatic Light Filter And Polarizing Lens

$85.07~~$130.88~~

1 sold

5% off

AGc12 CO2 Carbon Dioxide Controller Dual Channel Automatic Greenhouse Plants CO2 Concentration Control Pressure Regulator US EU

$46.04~~$48.84~~

2 sold

15% off

Pipeline O2 oxygen sensor transmitter indoor and outdoor laboratory oxygen concentration detection gas transmitter 4-20ma RS485

$287.30~~$338.00~~

1 sold

5% off

3 in 1 NH3 sensor industrial-grade nh3-concentration temperature and humidity transmitter RS485 high-precision 4-20mA detector

$279.31~~$294.01~~

1 sold

15% off

Oxygen concentration content sensor air quality industrial grade 485 agricultural greenhouse breeding O2 detection transmitter

$295.34~~$347.46~~

1 sold

20% off

Portable Negative Ion Concentration Detector Air Ion Concentration Tester High Quality Gold Plated Blue Screen Display

$32.44~~$40.55~~

1 sold

50% off

$0-80 degree Baijiu degree tester measuring Baijiu fruit wine concentration counting display alcohol meter sugar refractometer$ $0-80 degree Baijiu degree tester measuring Baijiu fruit wine concentration counting display alcohol meter sugar refractometer$

0-80 degree Baijiu degree tester measuring Baijiu fruit wine concentration counting display alcohol meter sugar refractometer

$614.91~~$1229.82~~

1 sold

42% off

Portable Min Professional O2 Oxygen Concentration Content Tester Oxygen Detector Monintor Meter Gas Analyzer Household

$472.91~~$815.36~~

1 sold

56% off

UNI-T UT337A Carbon Monoxide Tester Gas Analyzer Sound and Light Alarm LCD Backlight Display CO Concentration Monitoring

$84.47~~$191.98~~

1 sold

$Refractometer Cutting fluid concentration meter 0-90% Refractometer Cutting Fluid Concentration Meter Emulsion Detector$ $Refractometer Cutting fluid concentration meter 0-90% Refractometer Cutting Fluid Concentration Meter Emulsion Detector$

Refractometer Cutting fluid concentration meter 0-90% Refractometer Cutting Fluid Concentration Meter Emulsion Detector

$68.05~~$68.05~~

1 sold

17% off

Greentest 1 Digital Food Nitrate Tester Home Kitchen Concentration Meters For Fruit Vegetable Meat Radiation TDS Water Detector

$58.93~~$71.00~~

1 sold

11% off

Hydrogen sulfide detector H2S sensor transmitter RS485 odor concentration monitoring garbage station public toilet breeding

$237.88 $267.28

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

SEES TKE Elevator Door Hanger Roller Use for kone Fermator Concentric 48146002 Thyssenkrupp OD48mm W14mm Bearing6002

$320.00 $320.00

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

Ammonia detector Ammonia tester Ammonia detector NH3 concentration gas analyzer Temperature Hygrometer

$712.14 $712.14

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

45% off

0-55% Digital Brix Meter Tester Professional Refractometer with Battery Fruit Juice Drinks Sugar Meter High Concentration

$35.60 $64.72

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

15% off

Digital Beer Wort Refractometer Brix 0-50% Specific Gravity 1.000-1.130 Electronic Hydrometer LCD Brewing SG Wine Alcohol Meter

$84.99 $99.99

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

20% off

Electronic Coffee Refractometer 0-30% Brix Sugar Meter TDS 0-25 Coffee Concentration Meter Coffee Refractometers Measure Tools

$95.20 $119.00

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

33% off

RZ Digital Refractometer Automotive Antifreeze Ethylene Propylene Glycol -2 Refractometer Freezing Cleaner Battery Refractometer

$85.73 $127.96

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

10% off

High Accuracy High Quality Oxygen Concentration Content Tester Oxygen Detector Monintor Meter

$624.50 $687.32

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

Air Ion Tester High Concentration of +/- Air Ion Portable Negative Ion Concentration Detector With Peak Maximum Hold LCD Display

$400.13 $400.13

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Salinity Refractometer 0 to Salinometer Sea Water Salt Concentration Tester$ $Salinity Refractometer 0 to Salinometer Sea Water Salt Concentration Tester$