N
2
O Portable Monitor
Operation
Instruction 3015-4787
13
P-CHK
– The
Pressure Check
function displays the current manifold
pressure and the stored ambient pressure in psia, along with the difference
between these two pressures and the current fault code. Refer to
Section 3.14.
GAS
–
Displays Nitrous Oxide (N
2
O) as the gas being monitored. No other
gas types are available for selection.
CLOCK
– Sets the monitor’s date and time. Use the
Keypad
to enter
the correct date and time, and then press
ENTER
to save those values
and return to the previous screen. Note that time is displayed in a
24 hour format, while the date is displayed as mm/dd/yy.
2ndUNIT
– One of following second measurements can be selected to
appear in the upper-right hand corner of the
Data Display
Screen:
•
NONE
– Blank
•
Peak PPM
– Peak gas reading
•
Cont twa
– Time Weighted Average calculated on a continuous basis
•
8hr TWA
– Time Weighted Average calculated over an 8 hour period
– Refer to Section
3.15 Print/Plot Logged Gas Levels.
PLOT
– Refer to Section
3.15 Print/Plot Logged Gas Levels.
PC-DUMP
– A personal computer can be connected to the monitor’s DB9
RS-232 connector (refer to illustration in Section
3.15
) for the purpose of
downloading logged ppm measurements. These measurements can later be
analyzed using any common spreadsheet program. Refer to Section 3.17 for
detailed instructions on how to transfer stored data to a personal computer.
14.07 * AMB14.05
-0.02dif <1000>
SET DATE & TIME
07/11/05 15:30
SELECT GAS TYPE
N2O
MEASURE 00500pk
100ppm N2O
2ndUNIT >PRINT
PLOT PC-DUMP
2ndUNIT PRINT
>
PLOT PC-DUMP
2ndUNIT PRINT
PLOT
>
PC-DUMP
