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Omega Model CYD201/202 User’s Manual
1-2 Introduction
Diode sensors come in several packaging formats for easy mounting. Unlike
a thermocouple, the lead wire in a diode measurement is not the active
sensor component; using an additional connector to bring out the sensor
signal from a cryogenic and/or vacuum system does not degrade the
measurement. Finally, the diode sensor does not require any room
temperature compensation.
These units excite the diode sensor with a 10 µA current source. An analog-
to-digital converter reads the sensor voltage and sends the reading to a
microcontroller. The microcontroller uses the selected temperature
response curve stored in memory to convert sensor voltage to temperature.
The computed temperature displays on the bright front panel LED display.
There are several standard temperature response curves.
Mounting the CYD201 is simple since it is packaged in a 1/8 DIN aluminum
panel mount box. The CYD202S and CYD202D Temperature Monitors are
packaged in 1/4 DIN aluminum panel mount boxes.
Содержание CYD200 Series
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