Gasman Operation
11
2.4 Display options
Gasman provides four additional selectable displays:
Peak display
When Peak mode is selected the instrument shows the
highest value for flammable and toxic gases, or the lowest
value for oxygen since switch on or last Peak Reset. This is
useful for vertical entry checks where the Gasman can be
lowered down the shaft rather than using a sampling tube
and for viewing peak exposure at the end of a shift.
TWA display
Shows the 15 minute and 8 hour TWA, for toxic gases,
monitored since last turn on.
Peak Reset
Before a Peak entry test is performed select this menu
option to clear any previously stored Peak value.
Zero
Performs Zero on your Gasman unit. (Please ensure you are
in clean air).
How to display the menu
1. To view the additional display option menu, double-click the button.
The menu icons will appear on the screen, as shown below.
2. Press the operator button with a single click to scroll across the
list. When the underscore appears under your choice, double-click
the operator button. This will select the option.
If Peak or TWA is selected, Gasman will display the icon on the
operator screen.
0.0
HS
2
OK
ppm
0.0
OK
ppm
0.0
Note: Only toxic gas
monitoring units will
display the TWA menu
option.
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