Instruction Manual MM850402 ed. 08b
43
MEASURE
TIGHTNESS TEST
GAS LEAK PROBE
AMBIENT CO
T+RH% PROBE
ESCAPE
–
NEXT
Use the [
S
] and [
T
] keys to move the cursor symbol to “AMBIENT CO” option.
Press the [
ENTER
] key to select the option. Press [
ESCAPE
] (F2) to return to the previous menu.
Connect the probe to the unit and wait for the following page:
AMBIENT CO
Amb. CO: --------
External Probe
Autozero: 40 sec
ESCAPE
–
ZERO
NOTE:
W
HEN PROBE IS CONNECTED TO THE INSTRUMENT BEGIN A
40
SECOND WAITING TIME
.
I
F PROBE IS CONNECTED IN
A
MBIENT
CO
MENU
,
A WAITING MESSAGE WILL BE DISPLAYED
.
Before inserting the probe in working area, let it run for a few seconds in fresh and uncontaminated air. From this
moment the unit will compare the monitored value with the CO limit (default OSHA limit: 35ppm). It is possible to change
the CO limit using the GasConfig software for PC. After the 40 seconds waiting time the CO ambient monitoring will start.
The procedure will measure the CO concentration for a 30 seconds period and the display will shows the CO measuring
and the time remaining:
AMBIENT CO
Amb. CO: 5 ppm
External Probe
Measure: 29 sec
ESCAPE
–
ZERO
At the end of the 30 seconds of measuring time the CO concentration will be displayed.
•
Press the [
] key to print the CO monitoring values
•
Press the [
ZERO
] key to reset the measure and start a new CO monitoring.
•
Press
[
ESCAPE
] (F2) to return to the previous menu.
NOTE:
I
F THE PROCEDURE ABOVE IS EXECUTED AND THE
CO
PROBE REMAIN CONNECTED
,
THE INSTRUMENT WILL MONITOR AMBIENT
CO
ALSO DURING OTHER OPERATIVE MODE
.
If alarm level is reached and unit begins beeping, press the [
ENTER
] key to silence it.
7.11
Natural gas leak external probe
(option)
To enable natural gas monitoring press the [
MENU
] key from measuring page. The following page will be displayed:
MENU
MEASURE
ION. CURR
TEMPERATURE
GAS VELOCITY
ESCAPE
–
