Impact Products Digital Concrete Test Hammer CN652 - Manual (Page 8)

4 Settings
The display unit has a menu with user navigation. Please follow the instructions
in the respective display fields.
• Press the MENU key to display the main menu:
Warning!
Check the settings before performing a measurement! This applies in particular
for the impact direction and for the shape and time coefficient.
4.1 Impact Direction
• Select the symbol for the desired impact direction.
The rebound value is automatically corrected according to the preselected impact
direction.
4.2 Mean Value
The mean value is calculated from the number of test impacts n entered or after
a measurement series has been completed by pressing the END key.
• Where possible, enter at least n = 10 or n = 12 (see under “Mx”, example).
The actual mean value is displayed after every test impact.
4.3 Measure Series Number
• At the start of a measurement series, you can enter a number (max. 6 figures).
The number is automatically incremented by 1 after the first test impact of the
new measurement series.
4.3 Conversion
4.4.1 Unit
• Select the unit in which the compressive strength of the concrete is to be
displayed (N/mm
2 , MPa, psi, kg/cm 2 ).
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