Thermo Fisher Scientific Alpha COND 1000 User Manual

Page 30

Operating Instructions

Thermo Scientific Alpha COND 1000

7.6

Current Output (rng) sub-function

This sub-function lets you set the transmitter current output range of this unit. The
difference between the upper and lower range has to be a minimum of 20% of Full
Scale, anywhere on the scale.

7.6.1

Entering current output 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 “rng”. Press ENTER.

3) Measurement

range

selection. Please refer to 7.5.

Press ENTER to proceed to current output sub-
function (7.6.2)

7.6.2

Choosing the output type

This parameter lets you choose between 0-20 mA or 4-
20 mA output.

1) Follow directions in 7.6.1 to enter Current Output

mode.

2) Press the ENTER key. Scroll with the

▲ or ▼ keys

until the upper display shows the output type (0-20 or
4-20), and the lower display shows “out”.

3) Press the

▲ or ▼ keys to select your output type: 0-

20 or 4-20 mA.

4) Press the ENTER key to confirm your selection.

5) Proceed to 7.6.3, or return to Measurement mode by

pressing the

▲ and ▼ keys simultaneously (escape).

7.6.3

Selecting Conductivity value at 0(4)mA

This parameter lets you choose the conductivity value at
which the transmitter output will be 0(4) mA.

1) Follow directions in 7.6.1 to enter Current Output

mode.

2) Press

the ENTER key. Scroll with the

▲ or ▼ keys until the upper display

shows a conductivity value and the lower display shows “r.0(4)”.

3) Press

the

▲ or ▼ keys to select the required conductivity value to be

equivalent to 0(4) mA (0.00 to 80.0 % F.S.; Default is 0% F.S.).

4) Press

the ENTER key to confirm your selection.

5) Press

the ENTER key to return to Advanced Set-up mode, or return to

Measurement mode by pressing the

▲ and ▼ keys simultaneously (escape).

HOLD

SETUP

200.0

0.0

200.0

4-20

0.1

.20

HOLD

SETUP