Model SP-3A​

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General

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A complete and compact bench-top instrument for approximating the softening point of solid glass pieces by the Labino Method.

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The Model SP-3A is a unique, patented system that was designed as a low cost instrument for quickly and easily measuring the Littleton Softening Point of glasses without pulling fibers. The tests are performed on a small blocks of glass samples.

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Includes

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• 1000°C furnace

• Programmable process controller

• Stainless steel sample holder and penetration rod

• 100 stainless steel ball bearings

• One vial of high alumina powder

• Type "K" thermocouple

• Instruction manual.

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Specifications

 

Model: SP-3A

Warranty: 12 Months

Cooling: Air assist (15 psi, 3 cfm, dry, and oil free)

Atmosphere: Air

Temperature Range: RT to 1,000°C

Furnace: Tube style

Micro-switch travel resolution: 0.0001

Temperature Resolution: 1°C or °F

Thermocouple: Type "K

Ball bearing size: 1/8

Sample Size: 5 mm square x 3 mm thick

Power Requirements: 120vac/5amp or 240vac/2.5amp, 50/60 Hz

Power Control: SSR

Sampleholder: Stainless Steel

Penetration rod: Stainless Steel

Furnace Movement: Manual lift

Temperature Control: Dwyer controller with peak hold

Dimensions: 8 x 8 x 22 (20 x 20 x 56 cm)

Weight: 11.3 lbs. (5.1kg)