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A firing segment
Soak T emperature
(target temperature)
An ST535 firing segment comprises a ramp followed by a soak period. Two seg-
ments can be used for simple firing (biscuit firing for example) or several seg-
ments can be used per program for complex firing (crystal glazing or glass-
making for example).
The ST535 ramps the kiln temperature at the required ramp rate until the kiln
reaches the soak / target temperature. It then soaks (dwells) at the soak temper-
ature for the soak period. It then runs the next segment until the end of the pro-
gram is reached.
The ST535 is capable of both positive (heating) ramps and negative (cooling)
ramps - as used in glassmaking for annealing. The type of ramp is clearly shown
on the mimic display during firing.
The ramp rate is settable in the range 0.1 to 9.9°/hour then 10 to 999°/hour or
FULL (full power) or END (end of program).
The soak / target temperature is settable over the range 0 to 1400°C (2552°F).
The soak period is settable over the range 00.00 (no soak) to 99 hours 59 mins.
Note: during soaking the ST535 display alternates every 15 seconds
between kiln temperature and soak period remaining.
6
Page
Programming
Cooling Ramp
Heating Ramp
Soak Period
ST535 User Handbook
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