Victor VCT1228 Specifications download pdf (Page 289)

Item Number Unit/Qty Item Number Unit/Qty

850705 $18.99 per each

Student Conducting Indicator

LA300

Blinking LED Conductivity Indicator. This

LED (light emitting diode) conductivity indi-

cator is sensitive enough to respond to as lit-

tle as 0.1 ml of liquid. It will detect free H+

ions in water, and will even register low con-

ductivity for 70% ethyl alcohol. When both

probes are in contact with a solid or immersed

in a solution, and the material is a strong

indicator the LED will glow red and blink

rapidly; if the material is a weak conductor

the LED will have a steady dull glow; and if

the material is a non-conductor the LED will

not light up. Requires a 9-volt battery (not

included). 1-year limited warranty.

Benz Microscope Optics Center, Inc.

Pith-Like Balls & Ball & Ring

Apparatus

850660 $2.95 per pkg

Pith-like Balls With Suspension Cord

Uniscience 3134-02

10 per package. Colored pith balls with

strings attached.

Elgin School Supply

850670 $3.48 per set

Ball And Ring Apparatus

american educational 7-s41702

Demonstrates expansion and contraction

properties of metals. When both the ring and

the ball are at the same temperature, ball eas-

ily passes through the ring. Ball will not pass

through the ring after being heated. Similar

effect can be seen when the ring is cooled.

Well-suited for introductory physics or sci-

ence classes at the middle or lower school

levels. Wooden handles insulate from heat.

Fisher Science Education

Compound Bar

850695 $1.96 per each

Compound Bar

WL1663

Demonstrate Expansion of Different Met-

als. Because the coefﬁcients of linear expan-

sion for brass and steel are different, the 20

x 1.25cm bar curls in a surprising fashion.

Rugged wooden handle, 30.5cm long overall.

Requires heat source, not included.

Sargent-Welch

Flasks, Beakers & Cylinders

850280 $22.73 per pkg

Beakers - 50 mL Cap

WLS4675-G

PYREX/CORNING PART#1000-50. 12 per

package. 50 mL capacity. Corning 1000

manufactured with spout and uniform wall

thickness for maximum durability. Features

graduated measuring scale (10 to 40 mL grad-

uated range) and large marking spot.

Sargent-Welch

850282 $24.04 per pkg

Beakers - 100 mL Cap

WLS4675-H

PYREX/CORNING PART#1000-100. 12 per

package. 100 mL capacity. Corning 1000

manufactured with spout and uniform wall

thickness for maximum durability. Features

graduated measuring scale (20 to 80 mL grad-

uated range) and large marking spot.

Sargent-Welch

850285 $22.95 per pkg

Beakers - 150 mL Cap

WLS4675-J

PYREX/CORNING PART#1000-150. 12 per

package. 150 mL capacity. Corning 1000

manufactured with spout and uniform wall

thickness for maximum durability. Features

graduated measuring scale (20 to 140 mL

graduated range) and large marking spot.

Sargent-Welch

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Comments to this Manuals

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