EUTECH INSTRUMENTS ALPHA PH1000 PHORP CONTROLLERTRANSMITTER Bedienerhandbuch PDF herunterladen (Seite 19)

Instruction Manual alpha-pH 1000

7.2.2 Temperature calibration (ATC mode only)

1) Select “ATC on” as described above in Section 7.2.1.

2) Press the ENTER key. The upper display indicates the current

temperature offset. The current measured temperature is shown in

the lower display.

3) Compare the current measured temperature on the controller

display to a thermometer known to be accurate. Note down the

correct temperature value.

4) Press the ▲ or ▼ key to scroll the lower display to match the

correct value. The upper display will now show the offset value. You

can offset temperature up to +/- 5

5) Press the ENTER key to confirm your selection.

6) Continue with additional Advanced Set-up procedures, or return to

the Measurement mode by pressing the ▲ and ▼ keys (escape)

simultaneously.

7.2.3 Setting manual temperature compensation

Note: This parameter is blanked out when the controller is set for ATC

operation.

For manual temperature compensation, you can set two different

temperatures: process and calibration. This allows calibration at a

temperature other than your process temperature. Example: setting a

calibration temperature of 25

C lets you calibrate using standard buffer

solutions at 25

C, even if your process temperature is a different

temperature.

1) Select “ATC oFF” as described above in section 7.2.1

2) Press the ENTER key. The upper display shows the current

process temperature and the lower display shows “P.

C” to

indicate process temperature.

3) Press the ▲ or ▼ key to adjust the process temperature value.

You can adjust the value from –9.9 to 125

4) After you set the process temperature value, press the ENTER

key. The upper display shows the current calibration temperature

and the lower display shows “C.

C” to indicate calibration

temperature.

5) Press the ▲ or ▼ key to adjust the calibration temperature value. You can adjust this value from –9.9 to

125

6) Press the ENTER key to confirm your selection.

7) Continue with additional Advanced Set-up procedures, or return to Measurement mode by pressing the

▲ and ▼ keys (escape) simultaneously.

0.0

25.0

ATC

SETUP

HOLD

SETUP

HOLD

25.0

C.C

SETUP

HOLD

oFF

SETUP

HOLD

25.0

P.C

SETUP

HOLD

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