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1 The bottom protection screw is not loosened or not delivered to the place (generally 3-4mm,) ※The common 2 sample holder is not placed well 3 The environment has an effect 2. The lamp is off:
1 There is no æ‘ "head", (If you put the sample after the "æ‘", in the æ‘ test key, the heater will be bright) ※ The more common 2 sample weight must be greater than 0.5g.
3 Heater is not tightened and loose.
4 filament off.
Third, there is a large test error:
1 The amount of each sample should be consistent 2 Set the temperature to be consistent 3 The starting temperature of the test must be consistent 4 The sample is uniform.
5 Operating environment has an effect 6 Voltage is low (this is often more common and can be solved with a voltage regulator)
Fourth, the instrument does not have power:
1 plug is not plugged in 2 fuses burned. ※(caused by voltage instability, more common)
First, weighing instability occurs: