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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.
  • United Scientific™ Secchi Disk

    United Scientific Supplies Inc.
    Original price $29.23
    Original price $29.23 - Original price $29.23
    Original price $29.23
    Current price $25.39
    $25.39 - $25.39
    Current price $25.39
    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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    Original price $29.23
    Original price $29.23 - Original price $29.23
    Original price $29.23
    Current price $25.39
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    Current price $25.39
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  • United Scientific™ Wall Thermometer, Wet & Dry Bulb

    United Scientific Supplies Inc.
    Original price $17.49
    Original price $17.49 - Original price $17.49
    Original price $17.49
    Current price $15.61
    $15.61 - $15.61
    Current price $15.61
    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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    Original price $17.49
    Original price $17.49 - Original price $17.49
    Original price $17.49
    Current price $15.61
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    Current price $15.61
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  • United Scientific™ Measurement Kit

    United Scientific Supplies Inc.
    Original price $51.74
    Original price $51.74 - Original price $51.74
    Original price $51.74
    Current price $43.11
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    Current price $43.11
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    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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    Original price $51.74
    Original price $51.74 - Original price $51.74
    Original price $51.74
    Current price $43.11
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    Current price $43.11
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  • United Scientific™ Wall Thermometer On Wooden Base

    United Scientific Supplies Inc.
    Original price $13.79
    Original price $13.79 - Original price $13.79
    Original price $13.79
    Current price $9.99
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    Current price $9.99
    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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    Original price $13.79
    Original price $13.79 - Original price $13.79
    Original price $13.79
    Current price $9.99
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    Current price $9.99
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  • United Scientific™ Dial Thermometer, -20 To 50 Degrees C, And 0 To 120 Degrees F

    United Scientific Supplies Inc.
    Original price $14.61 - Original price $14.61
    Original price
    $14.61
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    Current price $14.61
    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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    Original price $14.61 - Original price $14.61
    Original price
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    Current price $14.61
  • United Scientific™ Hooked Weight Set Of 6, Aluminum

    United Scientific Supplies Inc.
    Original price $27.31
    Original price $27.31 - Original price $27.31
    Original price $27.31
    Current price $23.80
    $23.80 - $23.80
    Current price $23.80
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    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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    Original price $27.31
    Original price $27.31 - Original price $27.31
    Original price $27.31
    Current price $23.80
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    Current price $23.80
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  • United Scientific™ Vernier Caliper, Dial Type

    United Scientific Supplies Inc.
    Original price $52.79
    Original price $52.79 - Original price $52.79
    Original price $52.79
    Current price $45.04
    $45.04 - $45.04
    Current price $45.04
    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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    Original price $52.79
    Original price $52.79 - Original price $52.79
    Original price $52.79
    Current price $45.04
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    Current price $45.04
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  • United Scientific™ Sextant, Brass

    United Scientific Supplies Inc.
    Original price $51.33
    Original price $51.33 - Original price $51.33
    Original price $51.33
    Current price $42.76
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    Current price $42.76
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    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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    Original price $51.33
    Original price $51.33 - Original price $51.33
    Original price $51.33
    Current price $42.76
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    Current price $42.76
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  • United Scientific™ Micrometer

    United Scientific Supplies Inc.
    Original price $14.99 - Original price $14.99
    Original price
    $14.99
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    Current price $14.99
    In 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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    Original price $14.99 - Original price $14.99
    Original price
    $14.99
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    Current price $14.99
  • United Scientific™ The Chemistry Of Invisible Inks Stem Kit

    United Scientific Supplies Inc.
    Original price $82.30
    Original price $82.30 - Original price $82.30
    Original price $82.30
    Current price $68.58
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    Current price $68.58
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    Unique Stem Kit For Introducing Students To Ink Chromatography And Forensics. Covered Concepts Include Data Analysis, Chromotographs, Inks And Thei...

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    Original price $82.30
    Original price $82.30 - Original price $82.30
    Original price $82.30
    Current price $68.58
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    Current price $68.58
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  • VeeGee Scientific Thermometer, Digital, Dual Scale -50 to 150°C & -58 to 302°F, 12" Stem

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

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

    VeeGee Scientific
    Original price $16.99 - Original price $16.99
    Original price
    $16.99
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    Current price $16.99
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    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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    Original price $16.99 - Original price $16.99
    Original price
    $16.99
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    Current price $16.99
  • Globe Scientific Infrared, Non-Contact Thermometer

    Globe Scientific
    Original price $127.40 - Original price $127.40
    Original price
    $127.40
    $127.40 - $127.40
    Current price $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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    Original price $127.40 - Original price $127.40
    Original price
    $127.40
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    Current price $127.40
  • United Scientific™ Slotted Weight Set Of 12, Aluminum

    United Scientific Supplies Inc.
    Original price $16.24 - Original price $16.24
    Original price
    $16.24
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    Current price $16.24
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    Slotted Weight Set Of 12, AluminumIncludes a 50g aluminum hanger and 12 aluminum weights, 9 x 20g, 1 x 10g, and 2 x 5g.

    Original price $16.24 - Original price $16.24
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  • United Scientific™ Stopwatch, Water-Resistant

    United Scientific Supplies Inc.
    Original price $12.49 - Original price $12.49
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    $12.49
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    Current price $12.49
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    Stopwatch, Water-ResistantWater-resistant stopwatch with lanyard features split and cumulative time modes, 1/100th second increments, calendar/date...

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    Original price $12.49 - Original price $12.49
    Original price
    $12.49
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  • United Scientific™ Hooke'S Law Spring Set Of 5

    United Scientific Supplies Inc.
    Original price $16.86 - Original price $16.86
    Original price
    $16.86
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    Current price $16.86
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    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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    Original price $16.86 - Original price $16.86
    Original price
    $16.86
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    Current price $16.86
  • United Scientific™ Thermometer, Red Liquid, 12", Total Immersion, Dual Scale, -20 To 150 C / 0 To 300 F

    United Scientific Supplies Inc.
    Original price $8.74 - Original price $8.74
    Original price
    $8.74
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    Current price $8.74
    Out of 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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    Original price $8.74 - Original price $8.74
    Original price
    $8.74
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    Current price $8.74
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  • United Scientific™ Thermometer, Red Liquid, 12", Total Immersion, Dual Scale, -20 To 110 C / 0 To 230 F

    United Scientific Supplies Inc.
    Original price $8.74 - Original price $8.74
    Original price
    $8.74
    $8.74 - $8.74
    Current price $8.74
    Out of 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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    Original price $8.74 - Original price $8.74
    Original price
    $8.74
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    Current price $8.74
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  • United Scientific™ Thermometer, Red Liquid, 12", Total Immersion, -10 To 150 C

    United Scientific Supplies Inc.
    Original price $8.74 - Original price $8.74
    Original price
    $8.74
    $8.74 - $8.74
    Current price $8.74
    Low 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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    Original price $8.74 - Original price $8.74
    Original price
    $8.74
    $8.74 - $8.74
    Current price $8.74
  • United Scientific™ Thermometer, Red Liquid, 12", Total Immersion, -20 To 110 C

    United Scientific Supplies Inc.
    Original price $8.99 - Original price $8.99
    Original price
    $8.99
    $8.99 - $8.99
    Current price $8.99
    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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    Original price $8.99 - Original price $8.99
    Original price
    $8.99
    $8.99 - $8.99
    Current price $8.99
  • United Scientific™ Thermometer, Red Liquid, 6", Total Immersion, Dual Scale, -20 To 110 C / 0 To 230 F

    United Scientific Supplies Inc.
    Original price $8.74 - Original price $8.74
    Original price
    $8.74
    $8.74 - $8.74
    Current price $8.74
    Out of 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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    Original price $8.74 - Original price $8.74
    Original price
    $8.74
    $8.74 - $8.74
    Current price $8.74
    Sold out
  • United Scientific™ Thermometer, Red Liquid, 12", Partial Immersion, Dual Scale, -20 To 150 C / 0 To 300 F

    United Scientific Supplies Inc.
    Original price $8.74 - Original price $8.74
    Original price
    $8.74
    $8.74 - $8.74
    Current price $8.74
    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...

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    Original price $8.74 - Original price $8.74
    Original price
    $8.74
    $8.74 - $8.74
    Current price $8.74
  • United Scientific™ Thermometer, Red Liquid, 6", Total Immersion, -20 To 110 C

    United Scientific Supplies Inc.
    Original price $8.74 - Original price $8.74
    Original price
    $8.74
    $8.74 - $8.74
    Current price $8.74
    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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    Original price $8.74 - Original price $8.74
    Original price
    $8.74
    $8.74 - $8.74
    Current price $8.74