Probe Selection - Extech Instruments CO80 Manual

3.2

Probe Selection

The instrument is equipped with a standard sample and temperature
probe, enabling the instrument to measure and display combustion
efficiency. It is of stainless steel construction, and is supplied with 8 feet of
sample tubing and cable.
Gas Sample
Tube
The pistol grip probe is connected to the gas sample port and
thermocouple socket, as shown, for combustion monitoring.
The sample probe assembly includes the inline filter (see section 2.8) and
this must be used in the vertical position.
The additional air, surface and liquid temperature probe, if used, is
connected into the thermocouple socket marked outlet (flue) at the base of
the unit.
For pressure measurement, the ports are to be connected using the
supplied 5 mm internal diameter silicon tubing to the positive and/or
negative ports as required.
+
_
Thermocouple
Lead
14
CO80 V3.1 04/06