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$112.99
$124.00
Extech RF40 Portable Coolant & Battery Acid Refractometer With ATC - Freeze Point Tester For Glycol Coolant & Battery Specific Gravity - Handheld,
Amazon.com
46
Free shipping
$112.99
$124.00
Extech RF40 Portable Coolant & Battery Acid Refractometer With ATC - Freeze Point Tester For Glycol Coolant & Battery Specific Gravity - Handheld,
Amazon.com
46
$59.99
Agtec Portable Refractometer Low Range With Copper ATC (0-10 Brix)
Agriculture Solutions LLC
$59.99
Agtec Portable Refractometer Low Range With Copper ATC (0-10 Brix)
Agriculture Solutions LLC
$119.95
Celestron Travel Scope 70 mm Portable Refractor W/Tripod And Case
High Point Scientific
15K+
$119.95
Celestron Travel Scope 70 mm Portable Refractor W/Tripod And Case
High Point Scientific
15K+
$89.99
$119.99
Celticbird Telescope For Adults High Powered, 80mm Aperture 600mm AZ Mount Refractor Telescope For Kids Beginners - Portable Telescopes For Adults
Amazon.com
77
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$89.99
$119.99
Celticbird Telescope For Adults High Powered, 80mm Aperture 600mm AZ Mount Refractor Telescope For Kids Beginners - Portable Telescopes For Adults
Amazon.com
77
$219.95
Celestron Starsense Explorer LT 80AZ Refractor Telescope
High Point Scientific
18
$219.95
Celestron Starsense Explorer LT 80AZ Refractor Telescope
High Point Scientific
18
$94.99
$149.99
Koolpte Telescope 80mm Aperture 600mm - Astronomical Portable Refracting Telescope Fully Multi-Coated High Transmission Coatings AZ Mount With Tripod
Amazon.com
4K+
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$94.99
$149.99
Koolpte Telescope 80mm Aperture 600mm - Astronomical Portable Refracting Telescope Fully Multi-Coated High Transmission Coatings AZ Mount With Tripod
Amazon.com
4K+
$89.99
Telescopes For Adults Astronomy, 80mm Aperture 600mm Refractor Telescope For Kids & Beginners, Compact And Portable Travel Telescopio With Backpack
Amazon.com
2K+
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Telescopes For Adults Astronomy, 80mm Aperture 600mm Refractor Telescope For Kids & Beginners, Compact And Portable Travel Telescopio With Backpack
Amazon.com
2K+
$429.99
$489.95
Celestron Starsense Explorer DX 102AZ App-Enabled Telescope - 102mm Refractor With Smartphone Dock & Starsense App - iPhone & Android Compatible -
Amazon.com
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$429.99
$489.95
Celestron Starsense Explorer DX 102AZ App-Enabled Telescope - 102mm Refractor With Smartphone Dock & Starsense App - iPhone & Android Compatible -
Amazon.com
Free shipping
$149.95
Celestron Travel Scope 80 Alt-Az Refractor With Smartphone Adapter
High Point Scientific
1K+
$149.95
Celestron Travel Scope 80 Alt-Az Refractor With Smartphone Adapter
High Point Scientific
1K+
$489.95
Celestron Starsense Explorer DX 102AZ Refractor Telescope
High Point Scientific
1K+
$489.95
Celestron Starsense Explorer DX 102AZ Refractor Telescope
High Point Scientific
1K+
$157.99
Astronomical Telescope 70mm Aperture 400mm Portable Refractor With Tripod
eBay
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$157.99
Astronomical Telescope 70mm Aperture 400mm Portable Refractor With Tripod
eBay
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$199.98
$239.98
Telescope,Telescope For Adults High Powered, 90mm Aperture 900mm Professional Refractor Telescopes For Kids & Beginners, Magnification 450X,For Planet
Amazon.com
153
Free shipping
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$199.98
$239.98
Telescope,Telescope For Adults High Powered, 90mm Aperture 900mm Professional Refractor Telescopes For Kids & Beginners, Magnification 450X,For Planet
Amazon.com
153
$149.95
$205.00
70mm Astronomical Refractor Telescope With Tripod At Until Times Up
Until Times Up
26% off
$149.95
$205.00
70mm Astronomical Refractor Telescope With Tripod At Until Times Up
Until Times Up
$2,079.00
Celestron Advanced VX 6in Refractor Telescope 22020
BudgetBuys
$2,079.00
Celestron Advanced VX 6in Refractor Telescope 22020
BudgetBuys
$79.19
$87.99
Triplett RFT10 - Portable Sucrose Brix Refractometer (0 To 10%) With ATC | Tequipment
TEquipment
10% off
$79.19
$87.99
Triplett RFT10 - Portable Sucrose Brix Refractometer (0 To 10%) With ATC | Tequipment
TEquipment
$315.00
Carson Redplanet 25 - 56x80mm Refractor Telescope W/Smartphone Adapter Red RP-200SP
Optics Planet
$315.00
Carson Redplanet 25 - 56x80mm Refractor Telescope W/Smartphone Adapter Red RP-200SP
Optics Planet
$175.99
Travel Scope 70 Portable Refractor Telescope - 70mm Aperture, Fully-Coated Glass
eBay
Free shipping
$175.99
Travel Scope 70 Portable Refractor Telescope - 70mm Aperture, Fully-Coated Glass
eBay
Free shipping
$79.19
$87.99
Triplett RFT32 - Portable Sucrose Brix Refractometer (0 To 32%) With ATC | Tequipment
TEquipment
10% off
$79.19
$87.99
Triplett RFT32 - Portable Sucrose Brix Refractometer (0 To 32%) With ATC | Tequipment
TEquipment
$88.95
$125.95
Tuesday Morning 150X Astronomical Telescope 70mm Aperture Portable Refractor With Phone Adapter, Telescope
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29% off
$88.95
$125.95
Tuesday Morning 150X Astronomical Telescope 70mm Aperture Portable Refractor With Phone Adapter, Telescope
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$114.29
Travel Scope 70DX Portable Refractor Telescope 70mm Aperture, Fully-Coated Gla
eBay
$114.29
Travel Scope 70DX Portable Refractor Telescope 70mm Aperture, Fully-Coated Gla
eBay
$249.95
Celestron Starsense Explorer LT 114AZ Reflector Telescope
High Point Scientific
1K+
$249.95
Celestron Starsense Explorer LT 114AZ Reflector Telescope
High Point Scientific
1K+
$209.99
Telescope 90mm Aperture 550mm Portable Professional Refractor MEEZAA Adults
eBay
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$209.99
Telescope 90mm Aperture 550mm Portable Professional Refractor MEEZAA Adults
eBay
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$58.99
$79.99
Doulami 70mm Aperture Telescope For Adults Astronomy Beginners, 400mm Portable Refractor Telescopes
Walmart
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$58.99
$79.99
Doulami 70mm Aperture Telescope For Adults Astronomy Beginners, 400mm Portable Refractor Telescopes
Walmart
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$129.99
Celestron Travel Scope 80 Portable Telescope With Smartphone Adapter
HSN
4
$129.99
Celestron Travel Scope 80 Portable Telescope With Smartphone Adapter
HSN
4
$25.89
Astronomical Telescope With Tripod - Portable Refractor Telescope - Fully-Coated Glass Optics - Ideal Telescope For Beginners
Walmart
$25.89
Astronomical Telescope With Tripod - Portable Refractor Telescope - Fully-Coated Glass Optics - Ideal Telescope For Beginners
Walmart
$209.99
Portable Refractor Telescope 80mm Aperture With Backpack Celestron Travel Glass
eBay
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$209.99
Portable Refractor Telescope 80mm Aperture With Backpack Celestron Travel Glass
eBay
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$39.00
Celestron 21035 Portable 70mm Travel Scope Refractor - Black
eBay
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$39.00
Celestron 21035 Portable 70mm Travel Scope Refractor - Black
eBay
Free shipping
$292.66
Extech Refractometer: Brix, +/-0.1% Brix Accuracy, Auto, Analog, 1 1/4 in Overall Dp Model: RF11
Grainger
3
$292.66
Extech Refractometer: Brix, +/-0.1% Brix Accuracy, Auto, Analog, 1 1/4 in Overall Dp Model: RF11
Grainger
3
$80.91
$87.95
TPI 395 Handheld Refractometer | Tequipment
TEquipment
$80.91
$87.95
TPI 395 Handheld Refractometer | Tequipment
TEquipment
$155.61
Celestron Travel Scope 60DX Portable Refractor Telescope 60mm Aperture, Fully-
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$155.61
Celestron Travel Scope 60DX Portable Refractor Telescope 60mm Aperture, Fully-
eBay
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$199.95
Celestron Astromaster 70AZ - 70mm Refractor Telescope
High Point Scientific
4K+
$199.95
Celestron Astromaster 70AZ - 70mm Refractor Telescope
High Point Scientific
4K+
$99.99
Telescope For Adults High Powered, 90mm Aperture 550mm Portable Refractor
eBay
Free shipping
$99.99
Telescope For Adults High Powered, 90mm Aperture 550mm Portable Refractor
eBay
Free shipping
$262.88
Extech Refractometer: Brix, +/-0.2% Brix Accuracy, Auto, Analog, 1 1/4 in Overall Dp Model: RF15
Grainger
33
$262.88
Extech Refractometer: Brix, +/-0.2% Brix Accuracy, Auto, Analog, 1 1/4 in Overall Dp Model: RF15
Grainger
33
$209.95
Celestron Powerseeker 80 EQ Refractor Telescope
High Point Scientific
2K+
$209.95
Celestron Powerseeker 80 EQ Refractor Telescope
High Point Scientific
2K+
$169.95
Celestron 70 mm Astromaster LT 70 AZ Refractor Telescope
High Point Scientific
13
$169.95
Celestron 70 mm Astromaster LT 70 AZ Refractor Telescope
High Point Scientific
13
$270.59
Refractor Skyoptikst 102/600 Astronomical Telescope With Mobile Holder Adapter
eBay
$270.59
Refractor Skyoptikst 102/600 Astronomical Telescope With Mobile Holder Adapter
eBay
How to calibrate a portable refractometer - step by step example
2:50
How to calibrate a portable refractometer - step by step example
75K viewsMay 10, 2021
YouTubeecologicaltime
Celestron - 70mm Travel Scope DX - Portable Refractor Telescope REVIEW 2020 #6 | Telescope zone
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Celestron - 70mm Travel Scope DX - Portable Refractor Telescope REVIEW 2020 #6 | Telescope zone
35.2K viewsSep 5, 2020
YouTubeTelescope Zone
Telescope for Adults & Kids 70mm Aperture Refractor 15X 150X Portable Travel Telescope with Phone Ad
2:19
Telescope for Adults & Kids 70mm Aperture Refractor 15X 150X Portable Travel Telescope with Phone Ad
8.3K viewsDec 26, 2023
YouTubeTested Then Reviewed
Askar FRA300 Pro Quintuplet APO Refractor | Full Review
7:34
Askar FRA300 Pro Quintuplet APO Refractor | Full Review
7.6K views7 months ago
YouTubeHigh Point Scientific
I Built a New Budget Portable Refractor EAA Rig (SV550 80 mm)
8:07
I Built a New Budget Portable Refractor EAA Rig (SV550 80 mm)
3.7K views6 months ago
YouTubeAstro Down Under
Celestron Travel Scope 70 Portable Refractor Telescope – 70mm Aperture, Fully-Coated Glass Optics – Includes Tripod, Backpack & Software – Ideal for Beginners & Travel
1:37
Celestron Travel Scope 70 Portable Refractor Telescope – 70mm Aperture, Fully-Coated Glass Optics – Includes Tripod, Backpack & Software – Ideal for Beginners & Travel
Feb 19, 2009
amazon
Celestron Travel Scope 70DX Portable Refractor Telescope – 70mm Aperture, Fully-Coated Glass Optics – Includes Bonus Phone Adapter, Backpack & More – Ideal for Beginners & Travel
0:18
Celestron Travel Scope 70DX Portable Refractor Telescope – 70mm Aperture, Fully-Coated Glass Optics – Includes Bonus Phone Adapter, Backpack & More – Ideal for Beginners & Travel
1 viewsAug 3, 2019
amazon
aichose Brix Refractometer Review: Essential Tool for Home Brewing & Wine Making!
2:19
Find in video from 00:33How to Use the Refractometer
aichose Brix Refractometer Review: Essential Tool for Home Brewing …
2.4K viewsDec 1, 2023
YouTubeThe Roving Reviewer
OPTi Digital Handheld Refractometer - How to set up & use
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Find in video from 00:25Setting Up the Refractometer
OPTi Digital Handheld Refractometer - How to set up & use
12.2K viewsAug 11, 2020
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MyBrix Pocket Refractometer
5.5K viewsJun 1, 2022
YouTubeLaboratory Solutions from METTLER TOLEDO
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SVBONY SV503 Review Best Budget Refractor for Beginners
3.2K viewsMar 11, 2025
YouTubebrowsing axe
How to Use a Brix Refractometer | Application of a Portable Refractometer
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Find in video from 00:45What is the Handheld Analog Unit?
How to Use a Brix Refractometer | Application of a Portable Refracto…
1.4K viewsSep 14, 2023
YouTubeThe Lab Depot
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Dianfan 90mm Telescope Review | 800mm Refractor for Astronomy
107 views2 months ago
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Handheld refractometers HR series – How to use
4.1K viewsDec 12, 2022
YouTubeA.KRÜSS Optronic
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Telescope, 90mm Aperture 900mm Astronomical Refractor Telescope for Adults High Powered - Multi-Coated Professional Telescopes for Astronomy Beginners with AZ Mount, Portable Carry Bag, Phone Adapter
Apr 15, 2024
amazon
1:25
Hand refractometers
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YouTubeAuxilab
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10.9K viewsFeb 29, 2024
YouTubeTRADESAFE
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EXPLORE SCIENTIFIC 127mm & AR102 Refractor Telescopes - Complete Unboxing & Setup of Telescope
2.2K viewsApr 7, 2025
YouTubeTejraj And Co.
5:28
How-to 4/5: Measuring with a MyBrix Pocket Refractometer
4.9K viewsJun 1, 2022
YouTubeLaboratory Solutions from METTLER TOLEDO
2:34
How to Use a Refractometer to Measure Specific Gravity
626.6K viewsDec 12, 2012
YouTubeNorthernBrewerTV
How a refractometer works - 3D ANIMATION structure, function, areas of application, calibration
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Find in video from 01:23Handheld Refractometer Construction
How a refractometer works - 3D ANIMATION structure, function, ar…
40.8K viewsMar 29, 2022
YouTubeEXPLANATION-AVENUE - 3D Animations by …
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SHORT: Handheld Refractometer
32.2K views9 months ago
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Altair 90EDQ Review 2026 – The BEST Travel Astrograph Yet?!
2.2K views1 month ago
YouTubeSimon’s Astro
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How to use refractometer-tutorial
2.7K viewsMay 10, 2024
YouTubeOceansClouds
0:57
National Geographic 50mm Portable Refractor Telescope - RF360MM
16.4K viewsOct 27, 2021
YouTubeExplore Scientific
0:56
Travel Scope 70 DX with Smartphone Adapter
23.6K viewsMar 3, 2021
YouTubeCelestron
1:17
MaxUSee 70mm Refractor Telescope with Tripod & Finder Scope - Travel Scope - REVIEW
12.4K viewsOct 31, 2019
YouTubeAstronomy by David
0:36
Handheld Auto Refractometer
3 views4 months ago
YouTubeForever Medical
1:35
Celestron Travel Scope 80 Portable Refractor Telescope – 80mm Aperture, Fully-Coated Glass Optics – Includes Tripod, Smartphone Adapter, Backpack & Software – Ideal for Beginners & Travel
Oct 3, 2018
amazon
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Shop portable refractor

Sponsored
About our ads
$112.99
$124.00
Extech RF40 Portable Coolant & Battery Acid Refractometer With ATC - Freeze Point Tester For Glycol Coolant & Battery Specific Gravity - Handheld,
Amazon.com
46
Free shipping
$112.99
$124.00
Extech RF40 Portable Coolant & Battery Acid Refractometer With ATC - Freeze Point Tester For Glycol Coolant & Battery Specific Gravity - Handheld,
Amazon.com
46
$59.99
Agtec Portable Refractometer Low Range With Copper ATC (0-10 Brix)
Agriculture Solutions LLC
$59.99
Agtec Portable Refractometer Low Range With Copper ATC (0-10 Brix)
Agriculture Solutions LLC
$119.95
Celestron Travel Scope 70 mm Portable Refractor W/Tripod And Case
High Point Scientific
15K+
$119.95
Celestron Travel Scope 70 mm Portable Refractor W/Tripod And Case
High Point Scientific
15K+
$89.99
$119.99
Celticbird Telescope For Adults High Powered, 80mm Aperture 600mm AZ Mount Refractor Telescope For Kids Beginners - Portable Telescopes For Adults
Amazon.com
77
Free shipping
25% off
$89.99
$119.99
Celticbird Telescope For Adults High Powered, 80mm Aperture 600mm AZ Mount Refractor Telescope For Kids Beginners - Portable Telescopes For Adults
Amazon.com
77
$219.95
Celestron Starsense Explorer LT 80AZ Refractor Telescope
High Point Scientific
18
$219.95
Celestron Starsense Explorer LT 80AZ Refractor Telescope
High Point Scientific
18
$94.99
$149.99
Koolpte Telescope 80mm Aperture 600mm - Astronomical Portable Refracting Telescope Fully Multi-Coated High Transmission Coatings AZ Mount With Tripod
Amazon.com
4K+
Free shipping
36% off
$94.99
$149.99
Koolpte Telescope 80mm Aperture 600mm - Astronomical Portable Refracting Telescope Fully Multi-Coated High Transmission Coatings AZ Mount With Tripod
Amazon.com
4K+
$89.99
Telescopes For Adults Astronomy, 80mm Aperture 600mm Refractor Telescope For Kids & Beginners, Compact And Portable Travel Telescopio With Backpack
Amazon.com
2K+
Free shipping
$89.99
Telescopes For Adults Astronomy, 80mm Aperture 600mm Refractor Telescope For Kids & Beginners, Compact And Portable Travel Telescopio With Backpack
Amazon.com
2K+
$429.99
$489.95
Celestron Starsense Explorer DX 102AZ App-Enabled Telescope - 102mm Refractor With Smartphone Dock & Starsense App - iPhone & Android Compatible -
Amazon.com
Free shipping
12% off
$429.99
$489.95
Celestron Starsense Explorer DX 102AZ App-Enabled Telescope - 102mm Refractor With Smartphone Dock & Starsense App - iPhone & Android Compatible -
Amazon.com
Free shipping
$149.95
Celestron Travel Scope 80 Alt-Az Refractor With Smartphone Adapter
High Point Scientific
1K+
$149.95
Celestron Travel Scope 80 Alt-Az Refractor With Smartphone Adapter
High Point Scientific
1K+
$489.95
Celestron Starsense Explorer DX 102AZ Refractor Telescope
High Point Scientific
1K+
$489.95
Celestron Starsense Explorer DX 102AZ Refractor Telescope
High Point Scientific
1K+
$157.99
Astronomical Telescope 70mm Aperture 400mm Portable Refractor With Tripod
eBay
Free shipping
$157.99
Astronomical Telescope 70mm Aperture 400mm Portable Refractor With Tripod
eBay
Free shipping
$199.98
$239.98
Telescope,Telescope For Adults High Powered, 90mm Aperture 900mm Professional Refractor Telescopes For Kids & Beginners, Magnification 450X,For Planet
Amazon.com
153
Free shipping
16% off
$199.98
$239.98
Telescope,Telescope For Adults High Powered, 90mm Aperture 900mm Professional Refractor Telescopes For Kids & Beginners, Magnification 450X,For Planet
Amazon.com
153
$149.95
$205.00
70mm Astronomical Refractor Telescope With Tripod At Until Times Up
Until Times Up
26% off
$149.95
$205.00
70mm Astronomical Refractor Telescope With Tripod At Until Times Up
Until Times Up
$2,079.00
Celestron Advanced VX 6in Refractor Telescope 22020
BudgetBuys
$2,079.00
Celestron Advanced VX 6in Refractor Telescope 22020
BudgetBuys
$79.19
$87.99
Triplett RFT10 - Portable Sucrose Brix Refractometer (0 To 10%) With ATC | Tequipment
TEquipment
10% off
$79.19
$87.99
Triplett RFT10 - Portable Sucrose Brix Refractometer (0 To 10%) With ATC | Tequipment
TEquipment
$315.00
Carson Redplanet 25 - 56x80mm Refractor Telescope W/Smartphone Adapter Red RP-200SP
Optics Planet
$315.00
Carson Redplanet 25 - 56x80mm Refractor Telescope W/Smartphone Adapter Red RP-200SP
Optics Planet
$175.99
Travel Scope 70 Portable Refractor Telescope - 70mm Aperture, Fully-Coated Glass
eBay
Free shipping
$175.99
Travel Scope 70 Portable Refractor Telescope - 70mm Aperture, Fully-Coated Glass
eBay
Free shipping
$79.19
$87.99
Triplett RFT32 - Portable Sucrose Brix Refractometer (0 To 32%) With ATC | Tequipment
TEquipment
10% off
$79.19
$87.99
Triplett RFT32 - Portable Sucrose Brix Refractometer (0 To 32%) With ATC | Tequipment
TEquipment