Met One 831 Quick Setup Manual

SERIAL COMMANDS
Protocol Summary:

38,400 Baud, 8 Data bits, No Parity, 1 Stop Bit

Commands (CMD) are UPPER or lower case

Commands are terminated with a carriage return <CR>

To view setting = CMD <CR>

To change setting = CMD <SPACE> <Value> <CR>
CMD Type DESCRIPTION
?,H Help View the help menu
1 Settings View the settings
2 All data Returns all available records.
Returns all records since last '2' or
3 New data
'3' command.
Returns the last record or last n
4 Last data
records (n = <Value>)
Change date. Date is format is
D Date
MM/DD/YY
Change time. Time format is
T Time
HH:MM:SS
Displays a prompt for clearing the
C Clear data
stored unit data.
S Start Start a sample
Ends a sample (abort the sample,
E End
no data record)
View / change the location num‐
ID Location
ber. Range 1‐999.
Replies OP x, where x is "S"
OP Op Status
Stopped or "R" Running
RV Revision View Software Revision
View / change K‐Factors.
x = 1‐4 (PM1, PM2.5, PM4, M10)
SKx y.yy K‐Factors
y = K‐Factor value
Range = 0.10 to 9.99
831-9801 Rev. A
SETTINGS TABLE
Function Description
LOCATION NUBER Range = 1 ‐ 999
Display previous
HISTORY
samples
Display percent of memory available or
FREE MEMORY
clear all samples
Pin Favorite PM range to the top
FAVORITE
display line
TIME Display / set time
DATE Display / set date
ABOUT Model Number and firmware version
Met One Instruments Inc.
1600 Washington Blvd.
Grants Pass, OR 97526
541-471-7111
www.metone.com
Quick Setup
Guide
Model 831