For determining setting time of hydraulic cement.
The apparatus consist of a base plate with a vertical shaft and two
horizontal arms, the lower arm being adjustable for height and supplied
complete with one initial needle, one final needle and a base plate.
Meets:- ASTM C 91, C414, C266, AASHO T154
Glass base plate
- Initial Needle 1/12-inch dia. ¼ lb. wt.
- Final Needle 1/24-inch dia. 1lb.wt.