Iq force™ Gas Detector Reference Manual


WARNING Fresh air/zero calibrations may only be performed in an



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WARNING
Fresh air/zero calibrations may only be performed in an
atmosphere that is known to contain 20.9% oxygen, 0% LEL, and
0 ppm toxic gas.
1. Initiate the standard fresh air/zero calibration sequence by pressing the MODE button three times in rapid succession. The second countdown will begin. Press the MODE button before the end of the second countdown and continue to hold the MODE button. As in the standard fresh air/
zero calibration, the IQ Force will show cascading zeros. The fresh air/zero calibration is complete when the instrument begins another second countdown for the span calibration. If span calibration is not required, allow the countdown to reach 0 without pressing the MODE button.
If the IQ Force still fails to calibrate after attempting to force the fresh air/
zero calibration, contact the local service center.

IQ Force™ Gas Detector Reference Manual
30


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
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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