Hach 900 MAX ユーザーズマニュアル

Section 3

Page 39

8990startup.fm

Basic Programming Setup

1-C. Enter the bottle volume using the numeric keypad and select gallons or

milliliters using the

CHANGE UNITS

key.

1-D. Press

ACCEPT

and continue to Intake Tubing.

Step 2 - Intake Tubing

2-A. Enter the intake tube length attached to the sampler, using the numeric

keypad. Length values from 100 to 3000 cm (3 to 99 ft) are valid.
Change the measurement unit using the

CHANGE UNITS

key.

Note: Intake tube length affects sample volume accuracy, cut the tubing to the nearest

whole foot. Avoid excessively long tubing runs. Doubling the intake tubing length
can quadruple the pump tubing wear if intake rinses or sample retries are
enabled. Always locate the sampler close to the sample liquid source to minimize
tubing, pump, motor, and gearbox maintenance.

2-B. Press

ACCEPT

to move to the Intake Tube Type menu.

2-C. Select the type of intake tube (

in. Vinyl, ¼ in. Vinyl,

in. Teflon

)

using the

CHANGE UNITS

key.

2-D. Press

ACCEPT

to select the intake tube type and continue with Program

Lock.

Step 3 - Program Lock

Note: The program lock password is
configured at the factory as “9000”
and cannot be changed.

Enabling the Program Lock will provide a protective “password” which will
keep unauthorized personnel from tampering with the instrument keypad.

3-A. Enable or Disable Program Lock using the

CHANGE CHOICE

key.

Note: When program lock is enabled and a user attempts to make a change in the

program, a screen will ask the operator to enter the password. The operator must
enter 9000 and press ACCEPT.

3-B. Press

ACCEPT

to continue the basic program setup and continue with

Program Delay.

11:00 AM 21 - APR - 01

BOTTLES

ACCEPT

BOTTLE VOLUME

CHANGE

UNITS

— —

BACKUP

CLEAR

ENTRY

ENTER: 0.500—99.90

11:00 AM 21 - APR - 01

INTAKE TUBING

ACCEPT

INTAKE TUBE LENGTH:

CHANGE

UNITS

_____

BACKUP

CLEAR

ENTRY

ENTER: 3—99