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Omega Model CYD201/202 User’s Manual
Introduction 1-1
CHAPTER 1
INTRODUCTION
1.0 GENERAL
The CYD201, CYD202Series is designed and manufactured in the United
States of America with these features:
• Bright 4-Digit LED Display of Temperature in K or °C
• Temperature Range: 1.4 K to 475 K (–271 °C to 202 °C)
• Resolution of ±0.1 K or °C
• Overall Accuracy with Calibrated Sensor of ±0.25 K
• Standard Temperature Response Curves, Plus Memory
for Precision Curve Option for a Calibrated Sensor
• Sensor Connections made to Screw Terminal Adapter
• Flexible Power Supply Requirement
We welcome comments on this manual. Although we try to keep it error-
free, some may occur. To report an error, describe it briefly and include the
appropriate paragraph, figure, table, and page number. This manual is
subject to change without notice.
1.1
MODEL CYD20X SYSTEM DESCRIPTION
The Model CYD201, CYD202 Temperature Monitors are a microcontroller-
based instrument which measures temperature. It is designed to use CY7
Silicon diode sensors. The Model CYD201 displays the temperature reading
of one diode sensor. The Model CYD202S has two inputs and one display.
The user selects the input to display by means of a front panel switch. The
diode sensors must conform to the same temperature response curve. The
Model CYD202D has two inputs and two displays. The readings of both
diode sensors continuously display. Each sensor can have its own
temperature response curve. See Figure 1-1.
The Model CYD201, CYD202 Temperature Monitors, coupled with the
CY7series diode sensors, offers outstanding performance and advantages
over traditional thermocouple solutions. In the cryogenic temperature range,
the diode sensor offers a much higher signal and better sensitivity,
repeatability, and
accuracy
than a thermocouple. The CY7 Series sensors
follow the same temperature response curve, Curve 10. In most applications
they are interchangeable with no need to reconfigure monitors.
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