Chapter 1. Features and Capabilities
6 XMTC User’s Manual
1.4.4 Sample System
Use of a sample system is mandatory with the XMTC. The design of the sample system depends on the conditions of
the sample gas and the requirements of the application. In general, a sample system must deliver a clean, representative
sample to the XMTC at a temperature, pressure and flow rate that are within acceptable limits. Standard XMTC sample
conditions are as follows:
• Temperature less than 50
o
C (122
o
F) for 55
o
C cell operating temperature
• Atmospheric pressure
• Flow rate 0.5 SCFH (250 cc/min)
GE offers sample systems for a wide variety of applications. Two standard sample systems for the XMTC are shown in
Chapter 2, Installation. For assistance in designing your own sample system, please consult the factory.
1.4.5 Extra Cable (optional)
GE provides a 10 ft (3 m) length of 4-wire, color-coded cable with each XMTC to connect the power and outputs.
Optional cables are available in lengths up to 4000 ft (1200 m). If you are using your own cable, refer to Table 1 on
page 13 for recommendations.
1.4.6 Power Supply (optional)
The XMTC requires 24 VDC at a maximum start-up current of 1.2 A. The GE PS5R-C24 power supply converts
100/120/220/240 VAC to the required 24 VDC for the XMTC.
1.4.7 TMO2D-TC Display (optional)
The GE TMO2D-TC Display provides a two-line x 24 character back-lit LCD. It also features display and option
programming, recorder outputs, alarm relays, and relays for driving sample system solenoids for automatic zero and
span calibration of the XMTC. For information on the TMO2D-TC, please contact GE.
1.4.8 XDP Display (Optional)
The GE XDP Explosion-proof Display provides an integral, voltage-stabilized 24 VDC power supply, a 3-digit display
with adjustable 4-20 mA input range, two SPDT alarm relays rated for 1 A/250 VAC, and a 4-20 mA output that is
isolated from the input and adjustable to a second independent range if required. For information on the XDP, please
contact GE.
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