User Guide

Operating Manual alpha DO 1000

7.7.4 Selecting Dissolved Oxygen value at 20mA

This parameter lets you choose the Dissolved Oxygen value at which the

transmitter output will be 20mA.

1. Follow directions in 7.7.1 to enter Current Output mode.

2. Press the ENTER key until the upper display shows a Dissolved Oxygen

value and the lower display shows “r.20”.

3. Press the ▲ or ▼ keys to select dissolved oxygen value to be equivalent

to 20 mA (Default is 8.00mg/l or 100%).

4. Press the ENTER key to confirm your selection and return to Advanced

Set-up mode, or return to Measurement mode by pressing the ▲ and ▼

keys simultaneously (escape).

7.8 Configuration (ConF) sub-function

This group of parameters lets you configure the controller to suit your requirements.

HOLD HOLDHOLD

mg/l

HOLD

SETUP SETUPSETUP SETUP

SETUP

C F0

S Y

0-40

Al.o Al.C

7.8.1 Entering the Configuration sub-function

1. Enter Advanced Set-up mode. Push the ENTER key and scroll to

Advanced Set-up security code “22”. Push the ENTER key again.

2. Press the ▲ or ▼ keys to scroll until the upper display shows “ConF”.