Doc Ref: SL-068 v1.35 pg 11
Local Sensor Zero and Calibration
Connections and Required Equipment
Detectors can be zero and calibrated in one of three ways.
Calibration
Zero
Gas
Gas
20% LEL
1
2
3
4
P
Y
W
Android tablet and adaptor,
T750 Display or calibrate via
control panel
Gas Hose
Bottle regulator with fixed flow
at 0.5L/Min
Calibration Gas Adaptor
Calibration and Zero Gas
Bottles.
5
4
3
2
1
Notes
Diagram indicates a module PCB
interfacing to a MK7 Pellistor gas
detector.
Detector could also be an 102
Series ATEX gas detector
or
TOC-30 Series Safe Area Gas
Detector.
The Module PCB may also have
an Annunciator Display fitted.
Optional Annunciator Display
Where the detector is combined with a display, use the display interface to zero and
calibrate.
Use IGD’s Android software/tablet with an IGD interface cable to directly zero and calibrate
Use the controller interface to zero and calibrate.
1
2
3
