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52% off
2 in 1 Handheld Alcohol Brix Refractometer 0-25% Alcohol Beer Wine Concentration Meter 0-40% Sugar Refractometer Tester 2 in 1 Handheld Alcohol Brix Refractometer 0-25% Alcohol Beer Wine Concentration Meter 0-40% Sugar Refractometer Tester

2 in 1 Handheld Alcohol Brix Refractometer 0-25% Alcohol Beer Wine Concentration Meter 0-40% Sugar Refractometer Tester

$72.51$151.06

402 sold
6% off
Single-slit Young's Double-slit Interference Experimental Instrument Diffraction Grating Material Slit Diaphragm Lens Single-slit Young's Double-slit Interference Experimental Instrument Diffraction Grating Material Slit Diaphragm Lens

Single-slit Young's Double-slit Interference Experimental Instrument Diffraction Grating Material Slit Diaphragm Lens

$114.39$121.69

4 sold
Retail Box Refractometer Beer Wort Wine ATC SG 1.000-1.130 Brix 0-32%, for Sugar Wine Beer Fruit 48%Off Retail Box Refractometer Beer Wort Wine ATC SG 1.000-1.130 Brix 0-32%, for Sugar Wine Beer Fruit 48%Off

Retail Box Refractometer Beer Wort Wine ATC SG 1.000-1.130 Brix 0-32%, for Sugar Wine Beer Fruit 48%Off

$10.22$10.22

247 sold
52% off
Beer Wort Refractometer 0-32% Brix Wine Sugar Concentration Brewing Fruit Refractometer 1.000-1.120 Specific Gravity Meter Beer Wort Refractometer 0-32% Brix Wine Sugar Concentration Brewing Fruit Refractometer 1.000-1.120 Specific Gravity Meter

Beer Wort Refractometer 0-32% Brix Wine Sugar Concentration Brewing Fruit Refractometer 1.000-1.120 Specific Gravity Meter

$72.36$150.75

62 sold
26% off
5pcs DOE 5 Rings Concentric Circles Laser Optical Element PET Grating Diffraction Lens 5pcs DOE 5 Rings Concentric Circles Laser Optical Element PET Grating Diffraction Lens

5pcs DOE 5 Rings Concentric Circles Laser Optical Element PET Grating Diffraction Lens

$86.08$116.32

18% off
Ultra Precision Nano Engraving PET Trasmission Diffraction Grating F Teaching spectral decomposition Precision component Detect Ultra Precision Nano Engraving PET Trasmission Diffraction Grating F Teaching spectral decomposition Precision component Detect

Ultra Precision Nano Engraving PET Trasmission Diffraction Grating F Teaching spectral decomposition Precision component Detect

$91.89$112.06

15% off
1PC 50*50*2mm Holographic Diffraction Grating Lens Transmission Mirror Single Slit Mirror Double Slit Teaching Demonstration 1PC 50*50*2mm Holographic Diffraction Grating Lens Transmission Mirror Single Slit Mirror Double Slit Teaching Demonstration

1PC 50*50*2mm Holographic Diffraction Grating Lens Transmission Mirror Single Slit Mirror Double Slit Teaching Demonstration

$95.15$111.94

1 sold
Seawater Refractometer ATC 0-28% Salinity Meter Salt Specific Gravity Sea Salinometer For Aquarium Mariculture Seawater Refractometer ATC 0-28% Salinity Meter Salt Specific Gravity Sea Salinometer For Aquarium Mariculture

Seawater Refractometer ATC 0-28% Salinity Meter Salt Specific Gravity Sea Salinometer For Aquarium Mariculture

$11.47$11.47

14 sold
32% off
1pc Diffraction Grating 80/300/600/1000/1200/1600 Lines Transmission Grating Spectrophotometer Optical Teaching Experiment 1pc Diffraction Grating 80/300/600/1000/1200/1600 Lines Transmission Grating Spectrophotometer Optical Teaching Experiment

1pc Diffraction Grating 80/300/600/1000/1200/1600 Lines Transmission Grating Spectrophotometer Optical Teaching Experiment

$83.46$122.73

6 sold
38% off
Yieryi 4-In-1 Antifreeze Refractometer With ATC Engine Fluid Glycol Point Tester For Car Battery Adblue Detergent Handheld Meter Yieryi 4-In-1 Antifreeze Refractometer With ATC Engine Fluid Glycol Point Tester For Car Battery Adblue Detergent Handheld Meter

Yieryi 4-In-1 Antifreeze Refractometer With ATC Engine Fluid Glycol Point Tester For Car Battery Adblue Detergent Handheld Meter

$19.75$31.85

6 sold
72% off
Optical Component Diffraction Grating for Spectrophotometer Integration with 50 to 600 Lines per mm Resolution Options Optical Component Diffraction Grating for Spectrophotometer Integration with 50 to 600 Lines per mm Resolution Options

Optical Component Diffraction Grating for Spectrophotometer Integration with 50 to 600 Lines per mm Resolution Options

$34.73$124.03

100 200 300 500 600/mm holographic diffraction grating Sinusoidal transmission spectrum 100 200 300 500 600/mm holographic diffraction grating Sinusoidal transmission spectrum

100 200 300 500 600/mm holographic diffraction grating Sinusoidal transmission spectrum

$180.00$180.00

55% off
Horizontal Prism Lazy Glasses 90 Degree Periscope Eyewear for Lying Down Use Watch TV Read Without Neck Strain Horizontal Prism Lazy Glasses 90 Degree Periscope Eyewear for Lying Down Use Watch TV Read Without Neck Strain

Horizontal Prism Lazy Glasses 90 Degree Periscope Eyewear for Lying Down Use Watch TV Read Without Neck Strain

$65.57$145.72

3 sold
38% off
~Latest Model Small Diffraction Spectroscope Gemstone Gemological 55Mm Length Jeweler Jewel Tester Tool Handheld Gem Spectroscop ~Latest Model Small Diffraction Spectroscope Gemstone Gemological 55Mm Length Jeweler Jewel Tester Tool Handheld Gem Spectroscop

~Latest Model Small Diffraction Spectroscope Gemstone Gemological 55Mm Length Jeweler Jewel Tester Tool Handheld Gem Spectroscop

$30.31$48.88

46% off
Handheld Spectroscope Physics Tool Spectroscopy Tester Diffraction Grating for Teachers Schools Kids Handheld Spectroscope Physics Tool Spectroscopy Tester Diffraction Grating for Teachers Schools Kids

Handheld Spectroscope Physics Tool Spectroscopy Tester Diffraction Grating for Teachers Schools Kids

$8.17$15.13

50% off
Handheld 0-90% Sugar Refractometer Brix Refratometro for Fruit Juice Liquids Sugar Content ATC Measurement Tool with Retail Box Handheld 0-90% Sugar Refractometer Brix Refratometro for Fruit Juice Liquids Sugar Content ATC Measurement Tool with Retail Box

Handheld 0-90% Sugar Refractometer Brix Refratometro for Fruit Juice Liquids Sugar Content ATC Measurement Tool with Retail Box

$100.64$201.28

6 sold
50% off
Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing

Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing

$78.90$157.80

4 sold
40% off
25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present 25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

$8.65$14.42

4 sold
Teaching demonstration: 50 100 300 500, 600 line, holographic diffraction grating lens transmission teaching instrument Teaching demonstration: 50 100 300 500, 600 line, holographic diffraction grating lens transmission teaching instrument

Teaching demonstration: 50 100 300 500, 600 line, holographic diffraction grating lens transmission teaching instrument

$103.00$103.00

1 sold
39% off
DT38 Transmission Diffraction Grating with Frame Line Spectrophotometer Diffraction Grating Optical Teaching Experiment D DT38 Transmission Diffraction Grating with Frame Line Spectrophotometer Diffraction Grating Optical Teaching Experiment D

DT38 Transmission Diffraction Grating with Frame Line Spectrophotometer Diffraction Grating Optical Teaching Experiment D

$84.62$138.72

0-10% Brix Refractometer with Adjustable Focus Simple Calibration ATC Rubberized Grip Sugar Content Solutions Traditional Tool 0-10% Brix Refractometer with Adjustable Focus Simple Calibration ATC Rubberized Grip Sugar Content Solutions Traditional Tool

0-10% Brix Refractometer with Adjustable Focus Simple Calibration ATC Rubberized Grip Sugar Content Solutions Traditional Tool

$8.90$8.90

4 sold
39% off
DT38 Handheld Honey Refractometer 0-80% Sugar Content Meter for Honey Fruits Food DT38 Handheld Honey Refractometer 0-80% Sugar Content Meter for Honey Fruits Food

DT38 Handheld Honey Refractometer 0-80% Sugar Content Meter for Honey Fruits Food

$110.26$180.75

3 sold
3% off
High Transmittance Diffraction Prism 25.4mm Transparent Small TV Semi-transmissive And Semi-reflective Diffraction Prism Glued Q High Transmittance Diffraction Prism 25.4mm Transparent Small TV Semi-transmissive And Semi-reflective Diffraction Prism Glued Q

High Transmittance Diffraction Prism 25.4mm Transparent Small TV Semi-transmissive And Semi-reflective Diffraction Prism Glued Q

$96.48$99.46

9 sold
50% off
0-40% Brix 0-25% Alcohol Grapes Wine Refractometer ATC Handheld Concentration Meter Fruit Sugar Content Tester Measurement 0-40% Brix 0-25% Alcohol Grapes Wine Refractometer ATC Handheld Concentration Meter Fruit Sugar Content Tester Measurement

0-40% Brix 0-25% Alcohol Grapes Wine Refractometer ATC Handheld Concentration Meter Fruit Sugar Content Tester Measurement

$75.31$150.63

59 sold
20% off
Holographic Diffraction Grating Lens Transmission 50 100 300 500 600Lines Transmission Teaching Equipment Teaching Demonstration Holographic Diffraction Grating Lens Transmission 50 100 300 500 600Lines Transmission Teaching Equipment Teaching Demonstration

Holographic Diffraction Grating Lens Transmission 50 100 300 500 600Lines Transmission Teaching Equipment Teaching Demonstration

$92.00$115.00

50% off
Hot New Shockproof Packaging Hand-held 0-80% Alcohol Refractometer Alcohol Concentration Meter Liquor Alcohol Tester Hot New Shockproof Packaging Hand-held 0-80% Alcohol Refractometer Alcohol Concentration Meter Liquor Alcohol Tester

Hot New Shockproof Packaging Hand-held 0-80% Alcohol Refractometer Alcohol Concentration Meter Liquor Alcohol Tester

$115.30$230.61

1 sold
25% off
Ripple simulation Morie fringe interference diffraction film grating film Physical Optics Teaching Equipment Ripple simulation Morie fringe interference diffraction film grating film Physical Optics Teaching Equipment

Ripple simulation Morie fringe interference diffraction film grating film Physical Optics Teaching Equipment

$8.99$11.99

20% off
Doe Grating Homogenizer Optical Diffractive Element Laser Scanning Projection Lens Adapted To Visible Light 5 Pieces Doe Grating Homogenizer Optical Diffractive Element Laser Scanning Projection Lens Adapted To Visible Light 5 Pieces

Doe Grating Homogenizer Optical Diffractive Element Laser Scanning Projection Lens Adapted To Visible Light 5 Pieces

$17.60$22.00

36% off
Yieryi 3-In-1 Handheld Refractometer ATC Brix 0-44% °Oe 0-190 °KMW Sugar Tester For Fruit Juice Sucrose Food Beverage Industry Yieryi 3-In-1 Handheld Refractometer ATC Brix 0-44% °Oe 0-190 °KMW Sugar Tester For Fruit Juice Sucrose Food Beverage Industry

Yieryi 3-In-1 Handheld Refractometer ATC Brix 0-44% °Oe 0-190 °KMW Sugar Tester For Fruit Juice Sucrose Food Beverage Industry

$18.98$29.65

4 sold
52% off
Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing

Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing

$73.54$153.20

406 sold
3% off
DOE Diffractive Optical Element with DG Laser Grating Pattern for Stage Projection Star Lighting Effect 5 UNIDS/Patches per Pack DOE Diffractive Optical Element with DG Laser Grating Pattern for Stage Projection Star Lighting Effect 5 UNIDS/Patches per Pack

DOE Diffractive Optical Element with DG Laser Grating Pattern for Stage Projection Star Lighting Effect 5 UNIDS/Patches per Pack

$15.49$15.81

2 sold
49% off
HAPPY EVER Optical Physics Interference Diffraction Grating Set for Scientific Experiments HAPPY EVER Optical Physics Interference Diffraction Grating Set for Scientific Experiments

HAPPY EVER Optical Physics Interference Diffraction Grating Set for Scientific Experiments

$6.50$12.74

50% off
Diffraction grating Optical grate Teaching demonstration Transmission grating Spectrophotometer holographic imaging 50x50mm Diffraction grating Optical grate Teaching demonstration Transmission grating Spectrophotometer holographic imaging 50x50mm

Diffraction grating Optical grate Teaching demonstration Transmission grating Spectrophotometer holographic imaging 50x50mm

$8.20$16.40

8 sold
50% off
4 in 1 Hand Held Car Refractometer Vehicle 30-35% Adblue Fluid Glycol Urea Tester Battery Antifreeze with ATC 4 in 1 Hand Held Car Refractometer Vehicle 30-35% Adblue Fluid Glycol Urea Tester Battery Antifreeze with ATC

4 in 1 Hand Held Car Refractometer Vehicle 30-35% Adblue Fluid Glycol Urea Tester Battery Antifreeze with ATC

$72.55$145.11

354 sold
48% off
Car Antifreeze Refractometer Ethylene Propylene Glycol 1-1.4 Antifreeze Battery Fluid Hydrometer Glass Freezing Point Tester Car Antifreeze Refractometer Ethylene Propylene Glycol 1-1.4 Antifreeze Battery Fluid Hydrometer Glass Freezing Point Tester

Car Antifreeze Refractometer Ethylene Propylene Glycol 1-1.4 Antifreeze Battery Fluid Hydrometer Glass Freezing Point Tester

$73.39$141.13

47 sold
49% off
Handheld Salinity Refractometer 0-100% Salinometer 1.000-1.070SG Salinity Seawater Salinometer For Aquarium Handheld Salinity Refractometer 0-100% Salinometer 1.000-1.070SG Salinity Seawater Salinometer For Aquarium

Handheld Salinity Refractometer 0-100% Salinometer 1.000-1.070SG Salinity Seawater Salinometer For Aquarium

$74.41$146.48

199 sold
52% off
2 in 1 Handheld Alcohol Brix Refractometer 0-25% Alcohol Beer Wine Concentration Meter 0-40% Sugar Refractometer Tester 2 in 1 Handheld Alcohol Brix Refractometer 0-25% Alcohol Beer Wine Concentration Meter 0-40% Sugar Refractometer Tester

2 in 1 Handheld Alcohol Brix Refractometer 0-25% Alcohol Beer Wine Concentration Meter 0-40% Sugar Refractometer Tester

$72.51 $151.06

402 sold

Categories: Tools, Measurement & Analysis Instruments

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6% off
Single-slit Young's Double-slit Interference Experimental Instrument Diffraction Grating Material Slit Diaphragm Lens Single-slit Young's Double-slit Interference Experimental Instrument Diffraction Grating Material Slit Diaphragm Lens

Single-slit Young's Double-slit Interference Experimental Instrument Diffraction Grating Material Slit Diaphragm Lens

$114.39 $121.69

4 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Retail Box Refractometer Beer Wort Wine ATC SG 1.000-1.130 Brix 0-32%, for Sugar Wine Beer Fruit 48%Off Retail Box Refractometer Beer Wort Wine ATC SG 1.000-1.130 Brix 0-32%, for Sugar Wine Beer Fruit 48%Off

Retail Box Refractometer Beer Wort Wine ATC SG 1.000-1.130 Brix 0-32%, for Sugar Wine Beer Fruit 48%Off

$10.22 $10.22

247 sold

Categories: Tools, Measurement & Analysis Instruments

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52% off
Beer Wort Refractometer 0-32% Brix Wine Sugar Concentration Brewing Fruit Refractometer 1.000-1.120 Specific Gravity Meter Beer Wort Refractometer 0-32% Brix Wine Sugar Concentration Brewing Fruit Refractometer 1.000-1.120 Specific Gravity Meter

Beer Wort Refractometer 0-32% Brix Wine Sugar Concentration Brewing Fruit Refractometer 1.000-1.120 Specific Gravity Meter

$72.36 $150.75

62 sold

Categories: Tools, Measurement & Analysis Instruments

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26% off
5pcs DOE 5 Rings Concentric Circles Laser Optical Element PET Grating Diffraction Lens 5pcs DOE 5 Rings Concentric Circles Laser Optical Element PET Grating Diffraction Lens

5pcs DOE 5 Rings Concentric Circles Laser Optical Element PET Grating Diffraction Lens

$86.08 $116.32

Categories: Tools, Measurement & Analysis Instruments

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18% off
Ultra Precision Nano Engraving PET Trasmission Diffraction Grating F Teaching spectral decomposition Precision component Detect Ultra Precision Nano Engraving PET Trasmission Diffraction Grating F Teaching spectral decomposition Precision component Detect

Ultra Precision Nano Engraving PET Trasmission Diffraction Grating F Teaching spectral decomposition Precision component Detect

$91.89 $112.06

Categories: Tools, Measurement & Analysis Instruments

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15% off
1PC 50*50*2mm Holographic Diffraction Grating Lens Transmission Mirror Single Slit Mirror Double Slit Teaching Demonstration 1PC 50*50*2mm Holographic Diffraction Grating Lens Transmission Mirror Single Slit Mirror Double Slit Teaching Demonstration

1PC 50*50*2mm Holographic Diffraction Grating Lens Transmission Mirror Single Slit Mirror Double Slit Teaching Demonstration

$95.15 $111.94

1 sold

Categories: Tools, Measurement & Analysis Instruments

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Seawater Refractometer ATC 0-28% Salinity Meter Salt Specific Gravity Sea Salinometer For Aquarium Mariculture Seawater Refractometer ATC 0-28% Salinity Meter Salt Specific Gravity Sea Salinometer For Aquarium Mariculture

Seawater Refractometer ATC 0-28% Salinity Meter Salt Specific Gravity Sea Salinometer For Aquarium Mariculture

$11.47 $11.47

14 sold

Categories: Tools, Measurement & Analysis Instruments

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32% off
1pc Diffraction Grating 80/300/600/1000/1200/1600 Lines Transmission Grating Spectrophotometer Optical Teaching Experiment 1pc Diffraction Grating 80/300/600/1000/1200/1600 Lines Transmission Grating Spectrophotometer Optical Teaching Experiment

1pc Diffraction Grating 80/300/600/1000/1200/1600 Lines Transmission Grating Spectrophotometer Optical Teaching Experiment

$83.46 $122.73

6 sold

Categories: Tools, Measurement & Analysis Instruments

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38% off
Yieryi 4-In-1 Antifreeze Refractometer With ATC Engine Fluid Glycol Point Tester For Car Battery Adblue Detergent Handheld Meter Yieryi 4-In-1 Antifreeze Refractometer With ATC Engine Fluid Glycol Point Tester For Car Battery Adblue Detergent Handheld Meter

Yieryi 4-In-1 Antifreeze Refractometer With ATC Engine Fluid Glycol Point Tester For Car Battery Adblue Detergent Handheld Meter

$19.75 $31.85

6 sold

Categories: Tools, Measurement & Analysis Instruments

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72% off
Optical Component Diffraction Grating for Spectrophotometer Integration with 50 to 600 Lines per mm Resolution Options Optical Component Diffraction Grating for Spectrophotometer Integration with 50 to 600 Lines per mm Resolution Options

Optical Component Diffraction Grating for Spectrophotometer Integration with 50 to 600 Lines per mm Resolution Options

$34.73 $124.03

Categories: Tools, Measurement & Analysis Instruments

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100 200 300 500 600/mm holographic diffraction grating Sinusoidal transmission spectrum 100 200 300 500 600/mm holographic diffraction grating Sinusoidal transmission spectrum

100 200 300 500 600/mm holographic diffraction grating Sinusoidal transmission spectrum

$180.00 $180.00

Categories: Tools, Measurement & Analysis Instruments

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55% off
Horizontal Prism Lazy Glasses 90 Degree Periscope Eyewear for Lying Down Use Watch TV Read Without Neck Strain Horizontal Prism Lazy Glasses 90 Degree Periscope Eyewear for Lying Down Use Watch TV Read Without Neck Strain

Horizontal Prism Lazy Glasses 90 Degree Periscope Eyewear for Lying Down Use Watch TV Read Without Neck Strain

$65.57 $145.72

3 sold

Categories: Tools, Measurement & Analysis Instruments

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38% off
~Latest Model Small Diffraction Spectroscope Gemstone Gemological 55Mm Length Jeweler Jewel Tester Tool Handheld Gem Spectroscop ~Latest Model Small Diffraction Spectroscope Gemstone Gemological 55Mm Length Jeweler Jewel Tester Tool Handheld Gem Spectroscop

~Latest Model Small Diffraction Spectroscope Gemstone Gemological 55Mm Length Jeweler Jewel Tester Tool Handheld Gem Spectroscop

$30.31 $48.88

Categories: Tools, Measurement & Analysis Instruments

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46% off
Handheld Spectroscope Physics Tool Spectroscopy Tester Diffraction Grating for Teachers Schools Kids Handheld Spectroscope Physics Tool Spectroscopy Tester Diffraction Grating for Teachers Schools Kids

Handheld Spectroscope Physics Tool Spectroscopy Tester Diffraction Grating for Teachers Schools Kids

$8.17 $15.13

Categories: Tools, Measurement & Analysis Instruments

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50% off
Handheld 0-90% Sugar Refractometer Brix Refratometro for Fruit Juice Liquids Sugar Content ATC Measurement Tool with Retail Box Handheld 0-90% Sugar Refractometer Brix Refratometro for Fruit Juice Liquids Sugar Content ATC Measurement Tool with Retail Box

Handheld 0-90% Sugar Refractometer Brix Refratometro for Fruit Juice Liquids Sugar Content ATC Measurement Tool with Retail Box

$100.64 $201.28

6 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing

Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing

$78.90 $157.80

4 sold

Categories: Tools, Measurement & Analysis Instruments

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40% off
25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present 25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

$8.65 $14.42

4 sold

Categories: Tools, Measurement & Analysis Instruments

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Teaching demonstration: 50 100 300 500, 600 line, holographic diffraction grating lens transmission teaching instrument Teaching demonstration: 50 100 300 500, 600 line, holographic diffraction grating lens transmission teaching instrument

Teaching demonstration: 50 100 300 500, 600 line, holographic diffraction grating lens transmission teaching instrument

$103.00 $103.00

1 sold

Categories: Tools, Measurement & Analysis Instruments

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39% off
DT38 Transmission Diffraction Grating with Frame Line Spectrophotometer Diffraction Grating Optical Teaching Experiment D DT38 Transmission Diffraction Grating with Frame Line Spectrophotometer Diffraction Grating Optical Teaching Experiment D

DT38 Transmission Diffraction Grating with Frame Line Spectrophotometer Diffraction Grating Optical Teaching Experiment D

$84.62 $138.72

Categories: Tools, Measurement & Analysis Instruments

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0-10% Brix Refractometer with Adjustable Focus Simple Calibration ATC Rubberized Grip Sugar Content Solutions Traditional Tool 0-10% Brix Refractometer with Adjustable Focus Simple Calibration ATC Rubberized Grip Sugar Content Solutions Traditional Tool

0-10% Brix Refractometer with Adjustable Focus Simple Calibration ATC Rubberized Grip Sugar Content Solutions Traditional Tool

$8.90 $8.90

4 sold

Categories: Tools, Measurement & Analysis Instruments

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39% off
DT38 Handheld Honey Refractometer 0-80% Sugar Content Meter for Honey Fruits Food DT38 Handheld Honey Refractometer 0-80% Sugar Content Meter for Honey Fruits Food

DT38 Handheld Honey Refractometer 0-80% Sugar Content Meter for Honey Fruits Food

$110.26 $180.75

3 sold

Categories: Tools, Measurement & Analysis Instruments

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3% off
High Transmittance Diffraction Prism 25.4mm Transparent Small TV Semi-transmissive And Semi-reflective Diffraction Prism Glued Q High Transmittance Diffraction Prism 25.4mm Transparent Small TV Semi-transmissive And Semi-reflective Diffraction Prism Glued Q

High Transmittance Diffraction Prism 25.4mm Transparent Small TV Semi-transmissive And Semi-reflective Diffraction Prism Glued Q

$96.48 $99.46

9 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
0-40% Brix 0-25% Alcohol Grapes Wine Refractometer ATC Handheld Concentration Meter Fruit Sugar Content Tester Measurement 0-40% Brix 0-25% Alcohol Grapes Wine Refractometer ATC Handheld Concentration Meter Fruit Sugar Content Tester Measurement

0-40% Brix 0-25% Alcohol Grapes Wine Refractometer ATC Handheld Concentration Meter Fruit Sugar Content Tester Measurement

$75.31 $150.63

59 sold

Categories: Tools, Measurement & Analysis Instruments

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20% off
Holographic Diffraction Grating Lens Transmission 50 100 300 500 600Lines Transmission Teaching Equipment Teaching Demonstration Holographic Diffraction Grating Lens Transmission 50 100 300 500 600Lines Transmission Teaching Equipment Teaching Demonstration

Holographic Diffraction Grating Lens Transmission 50 100 300 500 600Lines Transmission Teaching Equipment Teaching Demonstration

$92.00 $115.00

Categories: Tools, Measurement & Analysis Instruments

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50% off
Hot New Shockproof Packaging Hand-held 0-80% Alcohol Refractometer Alcohol Concentration Meter Liquor Alcohol Tester Hot New Shockproof Packaging Hand-held 0-80% Alcohol Refractometer Alcohol Concentration Meter Liquor Alcohol Tester

Hot New Shockproof Packaging Hand-held 0-80% Alcohol Refractometer Alcohol Concentration Meter Liquor Alcohol Tester

$115.30 $230.61

1 sold

Categories: Tools, Measurement & Analysis Instruments

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25% off
Ripple simulation Morie fringe interference diffraction film grating film Physical Optics Teaching Equipment Ripple simulation Morie fringe interference diffraction film grating film Physical Optics Teaching Equipment

Ripple simulation Morie fringe interference diffraction film grating film Physical Optics Teaching Equipment

$8.99 $11.99

Categories: Tools, Measurement & Analysis Instruments

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20% off
Doe Grating Homogenizer Optical Diffractive Element Laser Scanning Projection Lens Adapted To Visible Light 5 Pieces Doe Grating Homogenizer Optical Diffractive Element Laser Scanning Projection Lens Adapted To Visible Light 5 Pieces

Doe Grating Homogenizer Optical Diffractive Element Laser Scanning Projection Lens Adapted To Visible Light 5 Pieces

$17.60 $22.00

Categories: Tools, Measurement & Analysis Instruments

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36% off
Yieryi 3-In-1 Handheld Refractometer ATC Brix 0-44% °Oe 0-190 °KMW Sugar Tester For Fruit Juice Sucrose Food Beverage Industry Yieryi 3-In-1 Handheld Refractometer ATC Brix 0-44% °Oe 0-190 °KMW Sugar Tester For Fruit Juice Sucrose Food Beverage Industry

Yieryi 3-In-1 Handheld Refractometer ATC Brix 0-44% °Oe 0-190 °KMW Sugar Tester For Fruit Juice Sucrose Food Beverage Industry

$18.98 $29.65

4 sold

Categories: Tools, Measurement & Analysis Instruments

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52% off
Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing

Handheld Wine Refractometer Tester Alcohol Sugar Concentration Meter Densitometer 0-25% Alcohol Beer 0-40% Brix Grapes Testing

$73.54 $153.20

406 sold

Categories: Tools, Measurement & Analysis Instruments

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3% off
DOE Diffractive Optical Element with DG Laser Grating Pattern for Stage Projection Star Lighting Effect 5 UNIDS/Patches per Pack DOE Diffractive Optical Element with DG Laser Grating Pattern for Stage Projection Star Lighting Effect 5 UNIDS/Patches per Pack

DOE Diffractive Optical Element with DG Laser Grating Pattern for Stage Projection Star Lighting Effect 5 UNIDS/Patches per Pack

$15.49 $15.81

2 sold

Categories: Tools, Measurement & Analysis Instruments

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49% off
HAPPY EVER Optical Physics Interference Diffraction Grating Set for Scientific Experiments HAPPY EVER Optical Physics Interference Diffraction Grating Set for Scientific Experiments

HAPPY EVER Optical Physics Interference Diffraction Grating Set for Scientific Experiments

$6.50 $12.74

Categories: Tools, Measurement & Analysis Instruments

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50% off
Diffraction grating Optical grate Teaching demonstration Transmission grating Spectrophotometer holographic imaging 50x50mm Diffraction grating Optical grate Teaching demonstration Transmission grating Spectrophotometer holographic imaging 50x50mm

Diffraction grating Optical grate Teaching demonstration Transmission grating Spectrophotometer holographic imaging 50x50mm

$8.20 $16.40

8 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
4 in 1 Hand Held Car Refractometer Vehicle 30-35% Adblue Fluid Glycol Urea Tester Battery Antifreeze with ATC 4 in 1 Hand Held Car Refractometer Vehicle 30-35% Adblue Fluid Glycol Urea Tester Battery Antifreeze with ATC

4 in 1 Hand Held Car Refractometer Vehicle 30-35% Adblue Fluid Glycol Urea Tester Battery Antifreeze with ATC

$72.55 $145.11

354 sold

Categories: Tools, Measurement & Analysis Instruments

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48% off
Car Antifreeze Refractometer Ethylene Propylene Glycol 1-1.4 Antifreeze Battery Fluid Hydrometer Glass Freezing Point Tester Car Antifreeze Refractometer Ethylene Propylene Glycol 1-1.4 Antifreeze Battery Fluid Hydrometer Glass Freezing Point Tester

Car Antifreeze Refractometer Ethylene Propylene Glycol 1-1.4 Antifreeze Battery Fluid Hydrometer Glass Freezing Point Tester

$73.39 $141.13

47 sold

Categories: Tools, Measurement & Analysis Instruments

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49% off
Handheld Salinity Refractometer 0-100% Salinometer 1.000-1.070SG Salinity Seawater Salinometer For Aquarium Handheld Salinity Refractometer 0-100% Salinometer 1.000-1.070SG Salinity Seawater Salinometer For Aquarium

Handheld Salinity Refractometer 0-100% Salinometer 1.000-1.070SG Salinity Seawater Salinometer For Aquarium

$74.41 $146.48

199 sold

Categories: Tools, Measurement & Analysis Instruments

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