Page 74 - Glass-Technology International no. 1-2019

TESTING EQUIPMENT

JEFFOPTICS

JF-3 GLASS

SURFACE STRESS

METER FOR LOW

TRANSMITTANCE

GLASS FOR AUTO GLASS
so that operators need no
further training to operate
JF-3H correctly. MEASUREMENT
JF-3H is a total solution
TOTAL SOLUTION
for automotive glass sur-

effoptics has released tive elements, adopting the
the latest version of latest image enhancement
J the JF-3 glass surface algorithm, JF-3 can be used
stress meter – the JF-3H, for testing all surface stress
which can be used for test- levels glass with transmit-
ing float glass, annealed tance as low as 8 per cent
glass, heat strengthened with 0.1°/0.1Mpa resolu-
glass and tempered glass tion. Moreover, JF-3 can
with transmittance as low be provided with a bend-
as 8 per cent (Such as VG ing glass measurement
10 glass). version; the radius of the
bending surface that can
IMPROVED OPTICAL be measured is 200 milli-
SYSTEM
metres. The new model is
By improving the quality of named as JF-3H. The op-
the optical system, using eration method is exactly
the state-of-art photosensi- the same as that of JF-3E,

72 Glass-Technology International 1/2019