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Once you have selected which tube you wish to
test the instrument will complete its purge
sequence after which you will be prompted to
insert the appropriate tube into the test port and
tighten firmly.
Note: Both ends of the tube should only be cut
immediately prior to the test. Ensure the arrow
printed on the tube is pointing away from the
instrument.
Press the arrow in the top right corner to proceed.
The test will proceed as described in section 3 and
at the end of it you will be prompted to enter the
result from the tube.
For the Nitrous fumes and Sulphur dioxide tubes
enter the result using the numeric pad. Then press
the arrow in the top right hand corner.
For the oil and polytest tubes select the
appropriate pass or fail icons.
The result will then be displayed on the final test
result screen and stored in the instrument’s
memory. In the example opposite a sulphur
dioxide tube has been used.
Appendix 3 - Reading the Draeger Oil Impactor and Chemical Reagent Tubes
