Chapter 2. Installation; Introduction; Mounting The Xmtc Transmitter - GE XMTC User Manual

Chapter 2. Installation

2.1 Introduction

This chapter describes how to install the XMTC transmitter and its sample system. It also contains information on
connecting the XMTC to optional system components. The following topics are discussed:
•

Mounting the XMTC transmitter

•
Installing a GE sample system
•
Wiring the XMTC transmitter
•
Connecting the XMTC transmitter to optional components
2.2 Mounting the XMTC Transmitter
This section applies only if you are mounting the XMTC transmitter in a sample system that has not been supplied by
GE.
Your sample system should deliver a clean, representative sample to the XMTC at the proper temperature, pressure and
flow rate. This usually means a clean, dry sample (free of solid and liquid particulates) at atmospheric pressure; a
temperature no greater than 50°C (122°F); and a flow rate of approximately 0.5 SCFH (250 cc/min). Since factory
calibration of the sensor is at atmospheric pressure and 0.5 SCFH, higher or lower operating pressure may necessitate
field-calibration adjustment.
A simple sample system for a 2-Port XMTC might have inlet and outlet flow-regulating needle valves, a flow meter,
and a pressure gauge, in addition to the XMTC transmitter.
The XMTC transmitter should be mounted in the sample system so that it is upright and level to within ±15°. Also,
provide at least 9 in. (230 mm) of clearance above the top cover of the transmitter to allow access to the transmitter
printed circuit board (PCB) for calibration and maintenance. For a 2-Port XMTC, connect the sample system Sample
Inlet and Sample Outlet ports to the appropriate XMTC port. For a 4-Port system, also connect the Reference Inlet and
Reference Outlet ports to the appropriate XMTC ports.
Note: Refer to Appendix C, Installation and Wiring Diagrams, for port locations and other information.
WARNING!
XMTC User's Manual
Be sure your installation conforms to all safety and electrical code requirements.
Chapter 2. Installation
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