Needle Instrument according to Vicat – Model 1807

Application

Determination of the initiation of stiffening of gypsum in accordance with with DIN EN 13279 Part 2 and ASTM C191.

Analysis of the setting behaviour of dental gypsum in accordance with DIN EN 26873.

 

Design

The drop rod is guided almost frictionless within a stand, which is firmly mounted onto the base plate of the instrument. The different penetrators are easy to insert into the drop rod by a knurled screw. The required additional weights are easy to insert. An adjustable scale enables the specific adjustment of the drop height. The ambient temperature is measured by an integrated reference thermometer.

Description

Working Principle

The drop rod is manually pulled upwards, adjusted by the scale and locked resp. released by a knurled screw. The different penetrators are also clamped resp. changed by a knurled screw. Additional weights can be placed directly onto the drop rod.

The exact test procedure is described within the respective standard.

 

Standard Delivery Includes

The delivery includes for the different configurations is described in the schedule on the backside.

 

Available Designs

Model 1807 : Vicat needle instrument for testing of gypsum accord. to: DIN EN 13279 Part 2 and ASTM C191

Bauform 1802 Dental : Vicat needle instrument for testing of gypsum accord. to: DIN EN 26873

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