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Chapter 3. Operation
3.1 Introduction
The XDP is an easily operated monitoring/control device.
Make sure that the system has been installed in accordance
with the instructions given in
, before applying power. This chapter includes
discussions of the following topics:
• Preventing common problems
• Powering up the system
• Programming the meter
• Taking measurements
WARNING!
To ensure safe operation of the XDP, the
unit must be installed and operated as
described in this manual. Also, be sure to
follow all applicable local safety codes
and regulations for installing electrical
equipment. In addition, all procedures
should be performed by trained service
personnel.
3.2 Preventing common problems
The complexity of accurately measuring the target gas
mixtures dictates that some basic precautions be observed
in using the XDP. Failure to observe these simple procedures
is often the cause of some common problems. Compliance
with the following points will help to eliminate such
problems:
• The transmitter must be properly connected to the XDP
before
applying power to the system. Connecting or
disconnecting the transmitter while the XDP is powered up
may generate a
24 volt power fault
message. If this should
occur, cycle the power to the system OFF and then ON to
clear the problem.
• The automatic calibration feature should be enabled
and scheduled to be run on a regular basis. The optimum
calibration interval depends on the application (consult
Panametrics for recommendations).
• Never use thread sealant on any connection in the sample
gas flow path. Thread sealant emits combustible vapors
that can cause reading errors.
• The magnetic keypad may not function properly if the
XDP is installed in an area that has other nearby magnetic
devices in operation. To minimize this factor, provide a
suitable installation location.
3.3 Cleaning the enclosure
If the glass window or the case of the XDP becomes soiled,
use a soft cloth dampened with water for cleaning. Never
use solvents or detergents to clean the XDP.
Summary of Contents for Panametrics XDP
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