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770-300M Issue E
Page 21
Press enter to initiate sampling with the required alarm
and data options. If either of the overwrite options
were selected an overwrite confirmation screen is
displayed.
No
Yes
Confirm overwrite
of data
Press the up and down keys to select Yes to overwrite
the data or No to return to the main menu screen.
No
Yes
Confirm overwrite
of data
Press enter and the Data Record Screen will be
displayed.
Tag: 005
Date: MON 03-APR-17
Time: 08:26:15
Conc: I 0.02 mg/m
Tag: 005
Date: MON 03-APR-17
Time: 08:29:48
Conc: I- 1.25 mg/m
Memory Location
Battery Status
Dust Concentration
Dust Fraction
Date
Time
Minus Sign
The memory location displayed is the current location that data is being saved into. Selecting
either of the two Continue sampling options will cause data to be stored in the next available
empty location. Selecting either of the two Overwrite sampling options will cause the existing
data to be deleted and the new data to be stored in location 001.
The dust fraction display indicates the particle fraction setting, I for inhalable, T for thoracic
and R for respirable.
The minus sign indicates that the Split2 monitor is measuring a negative dust concentration
value. If this occurs for any reasonable length of time then it is recommended to perform an
auto-zero before continuing with the sample.
The dust concentration is the instantaneous reading of the Split2 monitor sensor. It is this
value that is recorded into memory at intervals determined by the sample rate setting.
The battery status icon indicates full charge and low battery conditions.
3) Low Battery Function
When the battery voltage drops below the level required
for accurate reading of the Split2 monitor sensor,
approximately 6.8V, sampling is automatically stopped
and the battery status screen is displayed.
Battery Level
Status: 6.75 Volts
-BATT LOW-
Setup of the Split2 Monitor for Sampling