Lake Shore Model 218 Temperature Monitor User’s Manual
Sensor Considerations
2-3
The Model 218 also performs SoftCal™ calibration. The user provides 1, 2, or 3 known temperature
reference points. Calibration range and accuracy depend on these points (Paragraph 5.2).
2.2.3 Standard
Curves
Some types of sensors behave very predictably and a standard temperature response curve can be
created for them. Standard curves are a convenient and inexpensive way to get reasonable
temperature accuracy. Sensors with a standard curve are often used when interchangeability is
important. Some individual sensors are selected for their ability to match a published standard curve
and sold at a premium, but in general these sensors do not provide the accuracy of a calibrated
sensor. For convenience, the Model 218 has several standard curves included in firmware.
C-218-2-1.eps
Figure 2-1. Silicon Diode Sensor Calibrations and CalCurve™
Summary of Contents for 218S
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