Overview | 1-1
OVERVIEW
Sensor
The TM2000 has no operator-serviceable components. An operator
should never attempt to open the sensor or controller covers. Refer all
servicing to qualified service personnel.
Basic Elements of the Sensor
The TM2000 analyzer consists of the following basic systems:
• The Plumbing: Flow control valve, all inlet and outlet tubing, the sens-
ing cell and the sensing cell fitting.
• The Measuring System: Sensing cell, sensor board, interconnecting
wiring and the control unit.
• The Temperature System: Electrical cell heater (furnace), the type “K”
thermocouple (monitors furnace operating temperature), and the
sensor board containing cold junction thermocouple compensation,
interconnect wiring and the control unit. The temperature system
keeps the sensing cell at a constant temperature.
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