Operating Instructions
Alpha RES 1000
12
7.2
Temperature calibration (ATC mode only)
1)
Enter Advanced Set-up mode. Push the ENTER key and scroll to
Advanced Set-up security code “22”. Push the ENTER key again.
Set
o
C
HOLD SETUP
2)
Press the
Δ
or
∇
keys to scroll through the sub-menus until the display
shows “Set
o
C”. Press the ENTER key.
3)
Press the
Δ
or
∇
keys to scroll until the upper display shows “ATC”, and
the lower display shows “on”. Default setting is “ATC on”.
4)
Press the ENTER key. In this mode, the ATC probe can be calibrated. The
upper display indicates the current temperature offset. The current measured
temperature is shown in the lower display.
on
Atc
HOLD SETUP
o
C
0.0
25.0
ATC
5)
Compare the current measured temperature on the controller display to a
thermometer known to be accurate. Note down the correct temperature value.
6)
Press the
Δ
or
∇
keys 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
±
10
o
C.
HOLD SETUP
7)
Press the ENTER key to confirm your selection.
8)
Continue with additional Advanced Set-up procedures, or return to the
Measurement mode by pressing the
Δ
and
∇
keys (escape) simultaneously.
7.2.1
Setting manual temperature compensation
Note: This parameter is unavailable if ATC is selected.
HOLD SETUP
oFF
For manual temperature compensation, two different temperatures: process and
calibration can be input independently. Example: setting a calibration
temperature of 25
o
C lets you calibrate using standard buffer solutions at 25
o
C,
even if process temperature is different.
Atc
1)
Enter Advanced set-up mode. Push ENTER key and scroll to Advanced
Set-up security code “22”. Push ENTER key and Press
Δ
or
∇
keys to
scroll till display shows “Set oC”. Press ENTER.
25.0
2)
Pressing the
Δ
or
∇
keys keys toggle between ATC ‘on’ or ‘off’ (default
setting is ATC on). Select “ATC off”.
3)
Press ENTER key. Upper display shows current process temperature and
lower display shows “P.
o
C” to indicate process temperature.
4)
Press
Δ
or
∇
keys to adjust process temperature value from –9.9 to 125
o
C.
5)
Press ENTER key. Upper display shows current calibration temperature
and lower display shows “C.
o
C” to indicate calibration temperature.
6)
Press
Δ
or
∇
keys to adjust calibration temperature value, –9.9 to 125
o
C. Press ENTER key.
7)
Continue with additional Advanced Set-up procedures, or return to Measurement mode by pressing
Δ
and
∇
keys (escape) simultaneously.
25.0
C.C
P.C
HOLD SETUP
HOLD SETUP
Summary of Contents for Alpha RES 1000
Page 1: ...Alpha RES 1000 Controller Transmitter Resistivity...
Page 33: ......
