EUTECH INSTRUMENTS CYBERSCAN CON 1500 CONDUCTIVITY METER Manual de instrucciones Pagina 18

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Instruction Manual PC 510
14
6 MEASUREMENT
6.1 Taking pH Measurements
6.1.1 Automatic Temperature Compensation
Automatic Temperature Compensation only occurs when a temperature sensing element is plugged
into the meter.
Temperature sensing element refers to the following probes made specifically for this meter. See
accessories for ordering information
The conductivity electrode with a built-in temperature
sensor
Temperature probe; or
The 3-in-1 pH/Temperature combination electrode.
If there is no temperature sensor plugged into the meter, the default
manual temperature setting is automatically 25 °C. You can manually
set the temperature to match your working conditions using a separate
thermometer.
For automatic temperature compensation (ATC) simply plug the temperature probe into the meter (see
page 5 for directions). The ATC indicator will light up on the LCD. See Figure 13.
NOTE
: The temperature sensing element must be submersed in the liquid you are measuring.
6.1.2 Manual Temperature Compensation (pH)
IMPORTANT: For manual compensation, you must disconnect the
temperature probe (see page 5 for instructions).
1. Switch the meter on. Press MODE key to select pH mode.
2. Press the CAL/MEAS key to enter pH calibration mode. The CAL
indicator will appear above the primary display.
3. While in pH calibration mode, press the MODE key to enter
temperature calibration mode. The primary and secondary displays
show the last set temperature value.
4. Check the temperature of your sample using an accurate
thermometer.
5. Press the or key to set the temperature to the measured
value from step 4.
6. Press ENTER to confirm the selected temperature and to return to
the pH measurement mode.
See Figure 14.
The meter will now compensate pH readings for the manually set
temperature.
NOTES
: To exit this program without confirming the manual
temperature compensation value, DO NOT press ENTER in step 6.
Press CAL/MEAS instead.
Figure 13: ATC annunciator will
light up when connected to
temperature probe
Figure 14: Manual temperature
compensation
MEAS
ATC
pH
°C
7.05
24.5
READY
CAL
°C
25.0
25.0
MEAS
°C
7.05
30.0
READY
pH
E
N
T
E
R
R
A
N
G
E
°C
30.0
25.0
CAL
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