Oxygen Sampling Data Logger User’s Manual
Page
12
of
24
LCD
Display
The Liquid Crystal Display (LCD) shows the following features:
O2 levels in percentage (99.99%) format
Logging ON/OFF
Percentage of free memory
Data
Storage
This meter features an internal memory capable of storing 60,000 data points.
Due to the nature of the design, this meter will need to be initialized before
operation and the logging period and real‐time clock will need to be set under
the
SETTINGS
menu.
Setup
CO2Meter, Inc.’s sampling meters will require minimal setup since they are
designed to be portable. The most important aspect of the setup involves
connecting the sampling hoses and ensuring proper setup. The
Instrument
Overview
section in this manual shows the labeled components of these
meters, as referenced throughout the rest of this manual.
Insert four (4) AA size batteries or connect to the included power supply. This
meter has an internal coin cell CR‐2032 3V battery backup for the real‐time
clock. This battery is inserted in the factory for your convenience and should
last the lifetime of the product.
In order to initialize data logging, the unit MUST be connected to the computer
with data logging switched to
OFF
, and the
GasLab
®
software started. Once
the unit has been connected, click on the
CONFIGURE
SENSOR
button in the
GasLab
®
interface, and set the pump period and data logging interval as
desired. We recommend leaving the pump “on” period to the default 10
seconds. For the data logging interval, we recommend at least 10 seconds.
The pump PWM period can also be adjusted for advanced applications, with 1
being full duty cycle, and values approaching 255 being the shortest duty