Spring type penetrometer used to evaluate the setting time of mortar.

The unit consists of a special calibrated spring dynamometer with a pressure-indicating scale on the stem of the handle. The device is capable of measuring the penetration force with an accuracy of 62 lbf (10N) and shall have a capacity of at least 130 lbf (600N).

Supplied complete with a set of 6 stainless needles in the following sizes, in a wooden carrying case.

• Needles: 645 mm², 323 mm², 161 mm², 65 mm², 32 mm², 16 mm²

Standards:

• ASTM C403
• AASHTO T197
• UNI 7123