EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Instrukcja Obsługi Pobierz pdf (Strona 24)

Instruction Manual alpha-pH 1000

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. Push the ENTER key and scroll to

Advanced Set-up security code “22”. Push 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 20mA.

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 ▼ key 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).

rng

SETUP

HOLD

4-20

out

SETUP

HOLD

SETUP

r.4

HOLD

r.20

SETUP

HOLD

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