EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Manual de instrucciones descargar pdf (Pagina 25)

7.5 Current Output (rng) sub-function

This sub-function lets you set the controller current output

range of this unit.

7.5.1 Entering current output sub-function

1) Enter Advanced Set-up mode. Press the ENTER key

and scroll to Advanced Set-up security code “22”. Press

the ENTER key again.

2) Press the ▲ or ▼ key to scroll until the upper display

shows “rng”.

7.5.2 Choosing the output type

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

mA output.

1) Follow directions in 7.5.1 to enter Current Output

mode.

2) Press the ENTER key. Scroll with the ▲ or ▼ key until

the upper display shows the output type (0-20 or 4-20),

and the lower display shows “out”.

3) Press the ▲ or ▼ key to select your output type: 0-20 or

4-20 mA.

4) Press the ENTER key to confirm your selection.

5) Proceed to 7.5.3 step 3, or return to Measurement mode

by pressing the ▲ and ▼ keys simultaneously (escape).

7.5.3 Selecting pH/ORP value at 0(4)mA

This parameter lets you choose a pH or ORP value at which

the controller output will be 0(4) mA. NOTE: If you are in the

pH mode, ORP parameters are blocked out. If you are in the ORP mode, pH parameters are

blocked out.

1) Follow directions in 7.5.1 to enter Current Output mode.

2) Press the ENTER key. Scroll with the ▲ or ▼ keys until the upper display shows a pH or

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

3) Press the ▲ or ▼ key to select pH or ORP value to be equivalent to 0(4) mA.

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).

7.5

.4 Selecting pH/ORP value at 20mA

This parameter lets you choose a pH or ORP value at which the controller output will be 20 mA.

NOTE: If you are in the pH mode, ORP parameters are blocked out. If you are in the ORP mode,

pH parameters are blocked out.

1) Follow directions in 7.5.1 to enter Current Output mode.

2) Press the ENTER key. Scroll with the ▲ or ▼ keys until the upper display shows a pH or

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

3) Press the ▲ or ▼ key to select pH or ORP value to be equivalent to 20 mA.

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).

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EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Manual de instrucciones Pagina 25

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