Hach 900 MAX - Manual (Page 44)

Page 42
Basic Programming Setup
8990startup.fm
Section 3
c. Select either Integral or External flow meter and press ACCEPT .
d. Enter the flow volume between samples using the numeric keypad
and select a unit of measure using the CHANGE UNITS key, then press
ACCEPT . Refer to Table 2 for flow unit choices.
e. Enable or Disable Timed Over-Ride using the CHANGE CHOICE key.
Press ACCEPT to continue, 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.
f. Select Take First Sample Immediately or After First Interval?
Note: When the program is started, the first sample is taken immediately upon
pressing the start button or after the first interval has elapsed.
g. Press ACCEPT to continue to Sample Distribution.
11:00 AM 21 - APR - 01 SAMPLE COLLECTION
ACCEPT
TAKE SAMPLE EVERY:
CHANGE
UNITS
1500 gal
CANCEL
CLEAR
ENTRY
ENTER: 1.00—99999999
Table 2 Sampler Pacing Flow Units
Abbreviation Volume
gal gallons
ltr liters
m 3 cubic meters
af acre-feet
cf cubic feet
11:00 AM 21 - APR - 01 SAMPLE COLLECTION
ACCEPT
TIMED OVER-RIDE:
00:00 (hrs:min)
CANCEL
CLEAR
ENTRY
ENTER: 000:01 — 999:00 (hrs:min)
11:00 AM 21 - APR - 01 SAMPLE COLLECTION
ACCEPT
CHANGE
CHOICE
TAKE FIRST SAMPLE:
_______________
CANCEL
CHOICES: IMMEDIATE, AFTER 1 st SAMPLE