BVT3000 Version 003 BRUKER 9 (67)
Parts location
Parts location 1.3
Figure 1.2. Parts location
0
Principle of operation 1.4
The sample is heated by a constant gas flow delivered by the BVT3000. A tem-
perature sensor (e.g. a thermocouple) located under the sample tube measures
the gas temperature. The temperature controller compares the probe temperature
to the target temperature programmed by the operator, and regulates the power
applied to the heater in order to stabilise the gas temperature. A special detector
monitors the gas flow and switches off the heater power if the gas flow is missing.
A security thermocouple checks also the heater temperature and avoids probe
overheating.
main transformer
heater filter coil
thyristor bridge
mains plug
line switch
gas flow indicator
main board
valve
block
pressure regulator
TEMPERATURE
CONTROLLER
OPTION
LN2
EVAPORATOR
EXCHANGER
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