SET-UP INSTRUCTIONS
Test Stand Model 476 & 477
IMPORTANT PLEASE FOLLOW THESE STEPS IN SETTING UP THIS TEST STAND BEFORE YOU BEGIN TESTING.
Aer carefully unpacking the unit, place stand upright on
desk or bench.
For model 478 stands, use included hex key to loosen the
two setscrews on the front mounng bracket and remove
the bracket. Place Type A, B, or O durometer in the rear
mounng bracket so that the top of the rubber grip is just
below the boom of the mounng bracket and replace
the front mounng bracket. Tighten the setscrews to
secure the durometer in place.
Adjust the head and/or table support so that the
durometer is located directly along the centerline of the
table. Please note that this alignment is crical.
Place the sample to be measured squarely on the
movable stage.
Set and lock the stand so that the durometer foot is
about 1/4 inch above the sample. Either the table support
or head (upper) assembly can be moved up or down as
needed a hex key is enclosed.
Place appropriate weight on the 1/8 inch sha at the top
of the stand.
The stand is now set up and ready to make hardness
measurements. When making a measurement, turn
knob and li stage so that sample contacts the durometer
base and the durometer & deadweight assembly
is lied slightly. See durometer instrucons for addional
informaon on tesng.
PTC® Instruments is the leading manufacturer of durometers and surface thermometers in the world. Our factory and calibraon lab is
located in Los Angeles, California U.S.A. Doc #2487-2