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4.13.3 CO & Draft Screen
The CO readng s a measurement of how much carbon monoxde n ppm
s present n the flue-gas stream. Note, however, that the amount of CO
dsplayed may be dluted by secondary ar (refer to Secton 4.13.12 CO Ar
Free Screen).
The draft dsplay s the dfference between the pressure at the analyzer's
"+" port and the pressure at the "–" port when usng probe model 24-7266.
Front Panel Button Functions:
– Dsplays next screen (refer to Secton 4.12)
– Dsplays prevous screen (refer to Secton 4.12)
– Freezes dsplay (press eNTeR to unfreeze)
hOlD
eNTeR – Hold for 2 seconds to dsplay Fuel Screen (Model 125)
lIGhT – Toggles backlght ON/OFF
– Turns analyzer OFF (5 second delay)
I/O
4.13.4 Draft Zero Screen
The Draft Zero Screen allows the user to manually zero the draft channel
when the pressure readng s anythng other than zero when measurng
ambent room pressure. To zero the draft channel, remove all tubng from
the analyzer's "+" and "–" ports and press the eNTeR button.
Front Panel Button Functions:
– Dsplays next screen (refer to Secton 4.12)
– Dsplays prevous screen (refer to Secton 4.12)
– Freezes dsplay (press eNTeR to unfreeze)
hOlD
eNTeR – Zeros the draft channel, and returns to the screen contanng
the draft readng.
lIGhT – Toggles backlght ON/OFF
– Turns analyzer OFF (5 second delay)
I/O
34
Fyrite Pro
(Model 105/125)
(Model 105/125)
Instruction 24-9395
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