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Measurement


Our variety of thermometers, weight sets, tape measures and measurement STEM kits make teaching measurements in the classroom easy. Sonic Supply stock products which are sure to give accurate results with every use. Shop for kits that are focused on learning to measure to building and designing batteries. Browse our full range below.

Globe Scientific and United Scientific Supplies make up all the products on this page. Both of these companies have years of experience in manufacturing high quality measuring equipment that you can rely on.

What is a calibration weight?

A calibration weight is a specifically designed weight used to calibrate weighing scales and balances to ensure they remain consistent and accurate. They are commonly made from stainless steel, cast iron and brass, although a variety of other materials can be used.

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  • United Scientific Supplies Inc. Secchi Disk United Scientific Supplies Inc.
    Sale Sale

    United Scientific™ Secchi Disk

    United Scientific Supplies Inc.
    $29.23
    $29.23 - $29.23
    $29.23
    $21.09
    $21.09 - $21.09
    $21.09
    In stock

    Secchi Disk For Water Clarity Measurements Features A Robust White Plastic Disk With Permanent Screen Printed Black Sectors. Includes Attached Sink...

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    $29.23
    $29.23 - $29.23
    $29.23
    $21.09
    $21.09 - $21.09
    $21.09
    Sale Sale
  • United Scientific Supplies Inc. Wall Thermometer, Wet & Dry Bulb United Scientific Supplies Inc.
    Sale Sale

    United Scientific™ Wall Thermometer, Wet & Dry Bulb

    United Scientific Supplies Inc.
    $17.49
    $17.49 - $17.49
    $17.49
    $8.42
    $8.42 - $8.42
    $8.42
    In stock

    United Scientific Supplies Inc. Wall Thermometer, Wet & Dry Bulb Calculate the relative humidity of air using this device.  Includes two identi...

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    $17.49
    $17.49 - $17.49
    $17.49
    $8.42
    $8.42 - $8.42
    $8.42
    Sale Sale
  • United Scientific Supplies Inc. Measurement Kit United Scientific Supplies Inc.
    Sale Sale

    United Scientific™ Measurement Kit

    United Scientific Supplies Inc.
    $51.74
    $51.74 - $51.74
    $51.74
    $46.58
    $46.58 - $46.58
    $46.58
    In stock

    Includes A Variety Of Tools And Objects For Teaching Basics Of Measurement. Kit Is Shipped In A Reusable Storage Box. Includes Activity Guide With ...

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    $51.74
    $51.74 - $51.74
    $51.74
    $46.58
    $46.58 - $46.58
    $46.58
    Sale Sale
  • United Scientific Supplies Inc. Wall Thermometer On Wooden Base United Scientific Supplies Inc.
    Sale Sale

    United Scientific™ Wall Thermometer On Wooden Base

    United Scientific Supplies Inc.
    $13.79
    $13.79 - $13.79
    $13.79
    $3.17
    $3.17 - $3.17
    $3.17
    In stock

    United Scientific Supplies Inc. Wall Thermometer On Wooden Base Graduated in Celsius and Fahrenheit, this thermometer shows temperature ranges of ...

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    $13.79
    $13.79 - $13.79
    $13.79
    $3.17
    $3.17 - $3.17
    $3.17
    Sale Sale
  • United Scientific Supplies Inc. Dial Thermometer, -20 To 50 Degrees C, And 0 To 120 Degrees F United Scientific Supplies Inc.

    United Scientific™ Dial Thermometer, -20 To 50 Degrees C, And 0 To 120 Degrees F

    United Scientific Supplies Inc.
    $3.78 - $3.78
    $3.78
    $3.78 - $3.78
    $3.78
    In stock

    Dial Thermometer, -20 To 50 Degrees C, And 0 To 120 Degrees FThis versatile 38mm (1-1/2") diameter thermometer features molded plastic dial and is ...

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    $3.78 - $3.78
    $3.78
    $3.78 - $3.78
    $3.78
  • United Scientific Supplies Inc. Hooked Weight Set Of 6, Aluminum United Scientific Supplies Inc.
    Sale Sale

    United Scientific™ Hooked Weight Set Of 6, Aluminum

    United Scientific Supplies Inc.
    $27.31
    $27.31 - $27.31
    $27.31
    $19.71
    $19.71 - $19.71
    $19.71
    In stock

    Set Of Six Hooked Aluminum Masses With A Plastic Storage Base. Includes One Each Of 10G, 20G, 30G, 40G, 50G, And 100G Masses.Set of six hooked alum...

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    $27.31
    $27.31 - $27.31
    $27.31
    $19.71
    $19.71 - $19.71
    $19.71
    Sale Sale
  • United Scientific Supplies Inc. Vernier Caliper, Dial Type United Scientific Supplies Inc.
    Sale Sale

    United Scientific™ Vernier Caliper, Dial Type

    United Scientific Supplies Inc.
    $52.79
    $52.79 - $52.79
    $52.79
    $43.53
    $43.53 - $43.53
    $43.53
    In stock

    Dial Vernier CalipersThis precision measuring tool is made of hardened steel for precision and durability. It has a range of 150 MM and a large, ea...

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    $52.79
    $52.79 - $52.79
    $52.79
    $43.53
    $43.53 - $43.53
    $43.53
    Sale Sale
  • United Scientific Supplies Inc. Sextant, Brass United Scientific Supplies Inc.
    Sale Sale

    United Scientific™ Sextant, Brass

    United Scientific Supplies Inc.
    $51.33
    $51.33 - $51.33
    $51.33
    $47.53
    $47.53 - $47.53
    $47.53
    In stock

    Designed For Beginners As Well As Experienced Navigators, This Sextant Features An Adjustable Index Mirror, Index, And Horizon Shades. Durable Bras...

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    $51.33
    $51.33 - $51.33
    $51.33
    $47.53
    $47.53 - $47.53
    $47.53
    Sale Sale
  • United Scientific Supplies Inc. Micrometer United Scientific Supplies Inc.
    Sold out

    United Scientific™ Micrometer

    United Scientific Supplies Inc.
    $11.33 - $11.33
    $11.33
    $11.33 - $11.33
    $11.33
    Out of stock

    Introductory Level Metric Micrometer Graduated To Read Up To 25Mm In 0.01Mm Divisions. Comes In A Plastic Storage Case.Introductory level metric mi...

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    $11.33 - $11.33
    $11.33
    $11.33 - $11.33
    $11.33
    Sold out
  • United Scientific Supplies Inc. The Chemistry Of Invisible Inks Stem Kit United Scientific Supplies Inc.
    Sale Sale

    United Scientific™ The Chemistry Of Invisible Inks Stem Kit

    United Scientific Supplies Inc.
    $82.30
    $82.30 - $82.30
    $82.30
    $70.73
    $70.73 - $70.73
    $70.73
    In stock

    Unique Stem Kit For Introducing Students To Ink Chromatography And Forensics. Covered Concepts Include Data Analysis, Chromotographs, Inks And Thei...

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    $82.30
    $82.30 - $82.30
    $82.30
    $70.73
    $70.73 - $70.73
    $70.73
    Sale Sale
  • VeeGee Scientific Thermometer, Digital, Dual Scale -50 to 150°C & -58 to 302°F, 12" Stem VeeGee Scientific

    VeeGee Scientific Thermometer, Digital, Dual Scale -50 to 150°C & -58 to 302°F, 12" Stem

    VeeGee Scientific
    $31.95 - $31.95
    $31.95
    $31.95 - $31.95
    $31.95
    In stock

    VeeGee Scientific Thermometer, Digital, Dual Scale -50 to 150°C & -58 to 302°F, 12" StemDIGITAL STEM THERMOMETERS VEE GEE Scientific digital st...

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    $31.95 - $31.95
    $31.95
    $31.95 - $31.95
    $31.95
  • VeeGee Scientific Thermometer, Dial, 0° to 200°F, 3" Diameter, 36" Stem Length VeeGee Scientific

    VeeGee Scientific Thermometer, Dial, 0° to 200°F, 3" Diameter, 36" Stem Length

    VeeGee Scientific
    $64.95 - $64.95
    $64.95
    $64.95 - $64.95
    $64.95
    In stock

    VeeGee Scientific Thermometer, Dial, 0° to 200°F, 3" Diameter, 36" Stem LengthLONG STEM DIAL THERMOMETERS - 3" DIAMETER VEE GEE® Scientific Dial Th...

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    $64.95 - $64.95
    $64.95
    $64.95 - $64.95
    $64.95
  • VeeGee Scientific Thermometer, Dial, -40° to 160°F, 3" Diameter, 6" Stem Length (Pack of 10) VeeGee Scientific

    VeeGee Scientific Thermometer, Dial, -40° to 160°F, 3" Diameter, 6" Stem Length (Pack of 10)

    VeeGee Scientific
    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99
    In stock

    VeeGee Scientific Thermometer, Dial, -40° to 160°F, 3" Diameter, 6" Stem Length (Pack of 10)The dial thermometer indicates temperature through the ...

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    $16.99 - $16.99
    $16.99
    $16.99 - $16.99
    $16.99
  • Globe Scientific Infrared, Non-Contact Thermometer Globe Scientific

    Globe Scientific Infrared, Non-Contact Thermometer

    Globe Scientific
    $127.40 - $127.40
    $127.40
    $127.40 - $127.40
    $127.40

    Enjoy clinical grade accuracy and speed in your home, business or school and avoid cross-infection with our FDA approved Non-Contact Infrared Therm...

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    $127.40 - $127.40
    $127.40
    $127.40 - $127.40
    $127.40
  • United Scientific Supplies Inc. Slotted Weight Set Of 12, Aluminum United Scientific Supplies Inc.

    United Scientific™ Slotted Weight Set Of 12, Aluminum

    United Scientific Supplies Inc.
    $11.57 - $11.57
    $11.57
    $11.57 - $11.57
    $11.57
    In stock

    Slotted Weight Set Of 12, AluminumIncludes a 50g aluminum hanger and 12 aluminum weights, 9 x 20g, 1 x 10g, and 2 x 5g.

    $11.57 - $11.57
    $11.57
    $11.57 - $11.57
    $11.57
  • United Scientific Supplies Inc. Stopwatch, Water-Resistant United Scientific Supplies Inc.

    United Scientific™ Stopwatch, Water-Resistant

    United Scientific Supplies Inc.
    $6.04 - $6.04
    $6.04
    $6.04 - $6.04
    $6.04
    In stock

    Stopwatch, Water-ResistantWater-resistant stopwatch with lanyard features split and cumulative time modes, 1/100th second increments, calendar/date...

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    $6.04 - $6.04
    $6.04
    $6.04 - $6.04
    $6.04
  • United Scientific Supplies Inc. Hooke's Law Spring Set Of 5 United Scientific Supplies Inc.

    United Scientific™ Hooke'S Law Spring Set Of 5

    United Scientific Supplies Inc.
    $7.85 - $7.85
    $7.85
    $7.85 - $7.85
    $7.85
    In stock

    Hooke'S Law Spring Set Of 5 A Set Of 5 Springs With Different Spring Constants.A set of 5 springs with different spring constants. The forces requi...

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    $7.85 - $7.85
    $7.85
    $7.85 - $7.85
    $7.85
  • United Scientific Supplies Thermometer, Red Liquid, 12", Total Immersion, Dual Scale, -20 To 150 C / 0 To 300 F United Scientific Supplies Inc.

    United Scientific™ Thermometer, Red Liquid, 12", Total Immersion, Dual Scale, -20 To 150 C / 0 To 300 F

    United Scientific Supplies Inc.
    $1.62 - $1.62
    $1.62
    $1.62 - $1.62
    $1.62
    In stock

    Thermometer, Red Liquid, 12", Total Immersion, Dual Scale, -20 To 150 C / 0 To 300 FRed spirit-filled thermometers provide increased safety and eco...

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    $1.62 - $1.62
    $1.62
    $1.62 - $1.62
    $1.62
  • United Scientific Supplies Thermometer, Red Liquid, 12", Total Immersion, Dual Scale, -20 To 110 C / 0 To 230 F United Scientific Supplies Inc.

    United Scientific™ Thermometer, Red Liquid, 12", Total Immersion, Dual Scale, -20 To 110 C / 0 To 230 F

    United Scientific Supplies Inc.
    $1.62 - $1.62
    $1.62
    $1.62 - $1.62
    $1.62
    In stock

    Thermometer, Red Liquid, 12", Total Immersion, Dual Scale, -20 To 110 C / 0 To 230 FRed spirit-filled thermometers provide increased safety and eco...

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    $1.62 - $1.62
    $1.62
    $1.62 - $1.62
    $1.62
  • United Scientific Supplies Thermometer, Red Liquid, 12", Total Immersion, -10 To 150 C United Scientific Supplies Inc.

    United Scientific™ Thermometer, Red Liquid, 12", Total Immersion, -10 To 150 C

    United Scientific Supplies Inc.
    $1.54 - $1.54
    $1.54
    $1.54 - $1.54
    $1.54
    In stock

    Thermometer, Red Liquid, 12", Total Immersion, -10 To 150 CRed spirit-filled thermometers provide increased safety and economicpricing. They contai...

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    $1.54 - $1.54
    $1.54
    $1.54 - $1.54
    $1.54
  • United Scientific Supplies Thermometer, Red Liquid, 12", Total Immersion, -20 To 110 C United Scientific Supplies Inc.

    United Scientific™ Thermometer, Red Liquid, 12", Total Immersion, -20 To 110 C

    United Scientific Supplies Inc.
    $1.54 - $1.54
    $1.54
    $1.54 - $1.54
    $1.54
    In stock

    Thermometer, Red Liquid, 12", Total Immersion, -20 To 110 CRed spirit-filled thermometers provide increased safety and economicpricing. They contai...

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    $1.54 - $1.54
    $1.54
    $1.54 - $1.54
    $1.54
  • United Scientific Supplies Thermometer, Red Liquid, 6", Total Immersion, Dual Scale, -20 To 110 C / 0 To 230 F United Scientific Supplies Inc.

    United Scientific™ Thermometer, Red Liquid, 6", Total Immersion, Dual Scale, -20 To 110 C / 0 To 230 F

    United Scientific Supplies Inc.
    $1.36 - $1.36
    $1.36
    $1.36 - $1.36
    $1.36
    In stock

    Thermometer, Red Liquid, 6", Total Immersion, Dual Scale, -20 To 110 C / 0 To 230 FRed spirit-filled thermometers provide increased safety and econ...

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    $1.36 - $1.36
    $1.36
    $1.36 - $1.36
    $1.36
  • United Scientific Supplies Thermometer, Red Liquid, 12", Partial Immersion, Dual Scale, -20 To 150 C / 0 To 300 F United Scientific Supplies Inc.

    United Scientific™ Thermometer, Red Liquid, 12", Partial Immersion, Dual Scale, -20 To 150 C / 0 To 300 F

    United Scientific Supplies Inc.
    $1.62 - $1.62
    $1.62
    $1.62 - $1.62
    $1.62
    In stock

    Thermometer, Red Liquid, 12", Partial Immersion, Dual Scale, -20 To 150 C / 0 To 300 FRed spirit-filled thermometers provide increased safety and e...

    View full details
    $1.62 - $1.62
    $1.62
    $1.62 - $1.62
    $1.62
  • United Scientific Supplies Thermometer, Red Liquid, 6", Total Immersion, -20 To 110 C United Scientific Supplies Inc.

    United Scientific™ Thermometer, Red Liquid, 6", Total Immersion, -20 To 110 C

    United Scientific Supplies Inc.
    $1.36 - $1.36
    $1.36
    $1.36 - $1.36
    $1.36
    In stock

    Thermometer, Red Liquid, 6", Total Immersion, -20 To 110 CRed spirit-filled thermometers provide increased safety and economicpricing. They contain...

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    $1.36 - $1.36
    $1.36
    $1.36 - $1.36
    $1.36