Gentex Active Shooter, Руководство оператора

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SIZING GUIDE
Determining Helmet Size
Helmet sizes are Small, Medium, Large, and X-Large. To determine size, you must (1) measure and record
the wearer’s head length, (2) measure and record the wearer’s head breadth, (3) measure and record the
wearer’s head circumference, and (4) select the proper helmet size based on the sizing charts provided.
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TOOLS/EQUIPMENT NEEDED:
Caliper, Ruler, and Tape measure
1
MEASURE HEAD LENGTH
Use a caliper and a ruler to measure the distance (to
the nearest 1/16 inch) from the point between the
eyebrows to the back of the head. Ensure that the
caliper touches the skin lightly and does not indent the
skin. Record the measurement.
2
MEASURE HEAD BREADTH
Use a caliper and a ruler to measure the maximum
head width (to the nearest 1/16 inch) above the ears.
Ensure that the caliper touches the skin lightly and
does not indent the skin. Record the measurement.
Between
eyebrows
Back of
head
Caliper
Ruler
HEAD LENGTH
Caliper
Ruler
HEAD BREADTH