Michell Instruments XTC501, Руководство пользователя

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XTP501 & XTC501 User’s Manual
26 99976 Issue 1.1, May 2020
OPERATION
2.7.9 Light Guide
The light guide is fitted to the right-hand side of the lower surface and has a red and
green LED to display the current status.
• Green On – indicates instrument power is on.
• Red LED flashing – indicates when external compensation input or external
sensor is out of range (if either is selected to
ON
). Out of range is <3.6
mA or >21 mA (see Status Message Table in Section 2.5.1).
• Red LED on – indicates an internal sensor error or instrument cell
temperature not yet stabilized (see Status Message Table in Section 2.5.1)
These have been designed to follow the NAMUR NE44 standard.