Iq force™ Gas Detector Reference Manual


sensors, be sure to replace one sensor with another of



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sensors, be sure to replace one sensor with another of
the same type.
4. Gently insert the new sensor into the appropriate location on the sensor board.
Reinstall the cover and tighten the four screws to 11 in-lbs. torque. The sensor gaskets will compress slightly as the screws are tightened. Be careful not to over tighten the screws. Turn the IQ Force on. New sensors must be allowed to stabilize prior to use according to the following schedule:
Table 3. Sensor Stabilization Period
Sensor
Stabilization Period
Oxygen (O hour
LEL
none
CO & CO-H
15 minutes
H
2
S
15 minutes
NOTE
Steps 8 and 9 assume that the sensor stabilization period
has passed.
8. If an oxygen sensor was replaced, perform the Fresh Air/Zero

IQ Force™ Gas Detector Reference Manual
37
IQ Force Pump Maintenance
calibration as discussed in Section 4.2 9. If a combustible (LEL) or a toxic sensor has been replaced, perform both the Fresh Air/Zero calibration and the Span calibration as discussed in Section 4.2
and Section 4.3


Iq force™ gas detector
Contacting honeywell analytics
Technical services
Appendix a toxic gas measurement – warning, danger, stel,
Appendix d toxic sensor cross-sensitivity .............................. 52
Operating temperature
Multi-sensor capability
Table 2. alarm logic
Iq force portable gas detectors have been designed for the
In the event of an lel over-range alarm, the iq force must be
A sensor that cannot be calibrated or is found to be out of toler-
Do not use the pump for prolonged periods in an atmosphere
Case: the instrument is enclosed in a solid pc (polycarbonate) case with tpe (rubber) overmold.2. front face:
On/off mode button:
Battery charger connector:
Turning the iq force on
Notethe bump test interval and bump test due reminder are
Notesample probe assembly and tubing must be attached when
Always verify that all sensors present in the instrument are
Turning the iq force off
The iq force is designed to detect potentially life threatening
The iq force must be located in a nonhazardous location during
A combustible sensor over-range alarm indicates a potentially
Pc connection via infrared port
Error messages
Manual sample-draw kit
Motorized sample-draw pump
The canadian standards association (csa) requires the lel
Calibration/accuracy verification
Figure 1. bump test/span calibration setup
Fresh air/zero calibration
Possible causes and solutions
Fresh air/zero calibrations may only be performed in an
Span calibration
Noteonce the calibration cycle is completed, the iq force will
Possible causes of span calibration failure and remedies:
A sensor that cannot be calibrated or is found to be out of
Noteto enable the h
Notehoneywell analytics recommends regular verification of
Notethe bump test interval and bump test reminder are used
Toxic gas measurement – warning, danger, stel, and twa alarms
A.2 time weighted average (twa)
Appendix b calibration frequency rec-
Verification of accuracy & related terminology
Lengthening the intervals between calibration checks or bump tests
One button automatic full calibration and calibration docks
Iq force sensor information



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