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3.2 Operation
3.2.1 Preparation
After successful commissioning, instrument can start normal operation. For testing operation
procedures, see ASTM test method standard.
3.2.2 Heating rate
Load sample as requirement, turn on “POWER” and “RUN”: button, adjust voltage dial to heat the
sample, observe thermometer reader, and adjust the voltage suitably so as to meet the test
requirement.
Temperature rising rate: 1
℃
/min
3.2.3 Test condition
Get through the gas source and ignite the ever-light flame and pilot flame, adjust the size of pilot
flame to 3mm-4mm, and adjust ever-light flame to a little bigger. Press “FIRE” for 1 second, the pilot
flame will be descended.
3.2.4
When test operation is complete, adjust voltmeter back to “0”, turn off “RUN”, switch off gas
source, remove all liquid medium in the bath.
VI.Trouble and trouble shooting
Trouble
Cause
Solution
Power
indicator light
is dark
1. Power is disconnect
2. Power switch is broken
3. Fuse is broken
1. Check if power socket is
connected
2. Replacement
3. Replacement
Voltmeter
shows “0”
1. Potentiometer has open
circuit
2. SSR has open circuit or
loop is broken
1. Replacement
2. Replacement or connected broken
loop
Voltmeter
shows “220V”
1. SSR is broken
1. Replacement
Stir motor
does not
work
1. Stir switch is broken
2. Motor gets stuck
3. Motor is damaged
1. Replacement
2. Adjust shaft lever in main shaft,
clean up dirt
3. Replacement
Ignition motor
does not
1. Ignition switch is broken
2. Motor is damaged
1.Replacement
2.Replacement
