Protégé Portable Gas Monitor
Instruction Manual
33 of 61
P/N 087-0038 Rev. J 02/10
Figure 4-3. Zero Calibration
6) If Span calibration is desired, continue to Paragraph 4.3.2.
7) If Span Calibration is not desired, push either the left operational button to exit or allow 80
second timer to expire.
8) When the LCD displays CAL STOPPED, push either the left or right operational button to exit
calibration mode.
4.3.2. Span Calibration
NOTE
FOR PRECISE K-FACTORS WHEN PERFORMING A SPAN CALIBRATION OF A COMBUSTIBLE SENSOR, REFER TO THE
APPENDIX.
Equipment required:
• Calibration gas - verify concentration level matches detection set points of monitor and
expiration date of cylinder has not passed.
• Tygon™ tubing - 2 feet of 3/16" ID
• Regulator - set to provide flow at 0.5 liter/min
• Calibration Adapter - Included with Protégé
CAUTION
GAS MUST BE APPLIED AT A FLOW RATE OF 0.5 LITERS/MIN TO PERFORM SPAN CALIBRATION. FAILURE TO APPLY
GAS AT THE PROPER FLOW RATE WILL RESULT IN FAILED OR INACCURATE CALIBRATION.
NOTE
T
HE PROTÉGÉ CAN BE SPAN CALIBRATED USING EITHER INDIVIDUAL CALIBRATION GAS CYLINDERS THAT
CONTAIN ONE SPECIFIC TARGET GAS FOR THE SENSOR BEING CALIBRATED OR A GAS MIXTURE
CYLINDER
THAT CONTAINS A MIXTURE OF EACH OF THE TARGET GASES REQUIRED TO CALIBRATE EACH OF THE SENSORS
THE INSTRUMENT IS PRESENTLY CONFIGURED TO DETECT
. IF USING INDIVIDUAL GAS CYLINDERS TO SPAN
CALIBRATE
, THE FOLLOWING PROCEDURE MUST BE COMPLETED FOR EACH SENSOR.
To Next Page
Loading...
