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Operation
Monoxor
Plus Manual
34
0019-9370 Rev 1
4.6. Taking Differential Temperature Measurements
In certain combustion applications, it may be desirable to have a differential
temperature measurement. Use the Diff Temp menu and either the optional
probe assembly with thermocouple (P/N 0019-7111), or one of the optional K-
Type thermocouples (P/N 0104-1798 or P/N 0104-1797) to accomplish this
task.
The Monoxor
Plus calculates the differential temperature based on two
sampled temperatures (T1 and T2) which it reads from the optional probe
assembly’s thermocouple (which is connected to the T-STACK connector of the
instrument). After you take the two sample readings, the differential value
(T1-T2) is calculated, optionally saved in memory, displayed on the main run
screen, and is shown on printouts. Use the following procedure to perform a
differential temperature measurement.
Step
Example Procedure for Taking Differential Temperature Measurements
1
Attach the thermocouple plug of the optional probe assembly to the
T-STACK connector on the bottom of the Monoxor
Plus.
2
From the Main Menu, select the Diff Temp option. When this option is
first selected, the current temperature (Temp) is displayed. Values for T1
and T2 will show no readings until they are saved by the operator, after
which a differential value (T1-T2) will also be displayed.
3
With T1 highlighted, position the probe at desired location #1.
4
After a T1 temperature reading is displayed and stabilizes, press the F3
(SAVE) button to store the current T1 temperature reading. The T2
temperature reading is highlighted.
5
Move the probe to desired location #2.
6
After a T2 temperature reading is displayed and stabilizes, press the F3
(SAVE) button to store the current T2 temperature reading.
7
The temperature differential temperature (T1-T2) will be displayed.
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