52
Basic programming setup
a. In the Sample Collection, press CHANGE CHOICE until Flow Proportional is
displayed. Press
ACCEPT.
b. In the Flow Proportional menu, press
CHANGE CHOICE until Constant Volume,
Variable Time is displayed. Press
ACCEPT.
c. Select either Integral or External flow meter and press
ACCEPT.
d. Enter the flow volume between samples and select a unit of measure using the
CHANGE UNITS key, then press ACCEPT. Refer to Table 3 for flow unit choices.
e. Enable or Disable Timed Over-Ride using the
CHANGE CHOICE key. Press
ACCEPT, then enter a time period using the numeric keypad.
Note: Select Timed Over-Ride if the flow rate drops to an unusually low value during
flow-proportional sampling and if the sample is collected once an hour for example, even if the flow
interval has not elapsed.
11:00 AM 21 - APR - 01 SAMPLE COLLECTION
ACCEPT
CHANGE
UNITS
SAMPLE COLLECTION:
CANCEL
FLOW-PROPORTIONAL
ENTER: 1.00 - 99999999
11:00 AM 21 - APR - 01 FLOW PACING
ACCEPT
CHANGE
CHOICE
FLOW PACING MODE:
CANCEL
CONST VOL / VAR TIME
CHOICES: VAR T / CST VOL, CST T / VAR VOL
11:00 AM 21 - APR - 01 SAMPLE COLLECTION
ACCEPT
TAKE SAMPLE EVERY:
CHANGE
UNITS
1500 gal
CANCEL
CLEAR
ENTRY
ENTER: 1.00—99999999
Table 3 Sampler pacing flow units
Abbreviation Volume
gal gallons
ltr liters
m
3
cubic meters
af acre-feet
cf cubic feet
Goodnal STP ST041 Pre Treatment (Sigma 900 MAX All Weather Refrigerated Sampler) Vendor Manual
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