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TIGER Instrument User Manual V3.10

Unrivalled Gas Detection. Page 22 of 72 ionscience.com

Sixth screen

Features* - an icon will appear for each feature

available

* Refer to the Features screen for details of these optional upgrades.

Gas Selection

Press the Gas Selection soft key to display an alphabetical letter which can be changed using the Up

and Down keys: . Press the Enter key to list the gases beginning with that letter.

Using the Up and Down keys scroll through the gases starting with that letter to find the subject gas.

Press Enter to select the chosen gas. If a tick '✓' appears, press Enter again, and TIGER will use the

relevant data for the selected gas from the gas table for alarms, response factor, etc.

If the selected gas has no numeric response factor, or is incompatible with the lamp selected, a

warning symbol will appear. The message can be cleared by pressing the Enter

key. The gas will still be selected. An alternative lamp type may then be selected to match the

chosen gas. If an incompatible gas/lamp combination is selected the instrument will show the

warning symbol again.

Average

Press the Average soft key to display a rolling average over 10 seconds (the user can change this

time in Tiger PC). A tick '✓' appears when time is up. Pressing the Reset soft key resets the

calculation even if there is an average already running. Press Esc to cancel.

Health & Safety

Optional, only available if the relevant upgrade has been installed.

Press the Health & Safety soft key to display the Health & Safety symbol with a question mark

to ask if the user wishes to proceed. Press Enter to confirm and start the

calculations. The Health & Safety icon will flash.

The STEL and TWA values are then shown. To stop calculations, press Enter. A question mark is then

displayed. Press Enter again to confirm that calculations are to be stopped. A tick '✓' then appears

beside the question mark, and then main running screen is displayed.

While the instrument calculates the instrument displays the ongoing STEL as it is calculated. The live

reading is for indication only. Only the final reading at the end of the process is logged and should be

used as reference.

If a gas has no STEL and TWA levels in the gas table this symbol will appear: .

Zones

Press the Zone soft key to display the name of the currently selected Zone: . The

TIGER default is '001'. Zones are set up in TigerPC. Use the Up and Down keys to select other zones.

ION TIGER User Manual

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