Hach 900 MAX Instrument Manual page 42

Section 3
Step 4 - Program Delay
Note: If both Setpoint Sampling and
Program Delay are enabled, the
program delay is evaluated first,
prior to any checking for
setpoint conditions.
Step 5 - Sample Collection
Timed-Proportional Sampling Intervals
Page 40
Basic Programming Setup
4-A. Enable or Disable Program Delay using the
Enabling the Program Delay will cause the sampling program to delay
starting until a user specified time and day of week are programmed.
4-B. After enabling the program delay, enter the time and day of week that
the program will begin. Use the soft keys to change the day of week as
well as the AM/PM indicator.
11:00 AM 21 - APR - 01
ACCEPT
START PROGRAM:
CLEAR
ENTRY
(USE THE NUMERIC KEYPAD)
4-C. Press to continue with Sample Collection.
ACCEPT
5-A. Select the type of sample collection; Time Proportional,
Flow- Proportional Constant Volume, Variable Time (CVVT), or
Flow-Proportional Constant Time, Variable Volume (CTVV).
11:00 AM 21 - APR - 01
ACCEPT
SAMPLE COLLECTION
BACKUP
CHOICES: TIMED, FLOW PROPORTIONAL
When the program starts, a sample is taken immediately or delayed until after
the first interval has elapsed. Select either, Take First Sample Immediately or
After the First Interval.
Timed-Proportional samples are taken each time a user defined time interval
has elapsed. Samples can be continually taken at that interval until the
completion of the program.
a. From the Sample Collection menu, press
Timed Proportional is displayed. Press
11:00 AM 21 - APR - 01
ACCEPT
SAMPLE COLLECTION
BACKUP
CHOICES: TIMED, FLOW PROPORTIONAL
CHANGE CHOICE
00:00 AM MON
SAMPLE COLLECTION
_______________
CHANGE CHOICE
ACCEPT
SAMPLE COLLECTION
TIMED PROPORTIONAL
key.
PROGRAM DELAY
CHANGE
AM/PM
CLEAR
DAY
CHANGE
CHOICE
until
to continue.
CHANGE
CHOICE
8990startup.fm