Specifications
Instruction 0024-9460
43
Fyrite
®
INSIGHT
“Measured”isthecurrentCOreading,while“Applied”isa
knownCOlevelthatwillbeappliedforcalibrationpurposes.
3. Attach a 500 ppm CO cylinder to the regulator of the calibration
fixture.
4. Use the and buttons to enter an Applied value that exactly
equals the concentration stamped on the CO cylinder.
Thecalibrationrangeisfrom20to1,000ppm.Anattemptto
calibrate outside this range will cause the message “Applied
ValueHigh”(orLow)toappearatthebottomofthescreen.
5. Wait until the Measured reading stabilizes and then press ENTER to
calibrate the CO Measured value to that of the Applied value. The
message “Good Calibration” should briefly appear.
If the sensor’s output is low, but still usable, then the message
“GoodCalibrationWARNINGLowSensor”willappear.The
sensorwillnowbemarkedasbeingLow in the DIAGNOS-
TICSscreen.
If the sensor’s output is too low to be usable, then the message
“BadCalibrationSensorEndofLife,EntryNotSaved”will
appear.ThesensorwillnowbemarkedasbeingBAD in the
DIAGNOSTICSscreen.
6. Power OFF the regulator of calibration fixture and remove the CO
cylinder.