Model SP-3A

General

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

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.

Includes

  • 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
  • and instruction manual.

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 16010 controller with peak hold
Dimensions 8 x 8 x 22 (20 x 20 x 56 cm)
Weight 11.3 lbs. (5.1kg)

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