ThermoFisher Scientific Elite ORP Instrucciones De Operación página 3

Backlight Settings
1. Press to enter setup window. Scroll down by pressing
The display shows Backlight.
2. Press to select Backlight. The display shows ON and OFF.
3. Scroll down by pressing
conditions.
4. Press to select the desired backlight option. The display shows the selected backlight option with a
Key Info
Scroll
Accept
EXIT
ORP Calibration
Calibration should be done regularly, Preferred once in a week. ORP testers allow one point calibration.
1. Press to power on if needed.
2. Dip electrode about 2 cm to 3 cm in the calibration standard solution.
3. Press the to enter calibration mode.
4. Allow the reading to stabilize. The timer icon flashes during the reading stabilization. Once the reading stabilized
the timer stops flashing.
5. Upper display shows current measured value based on the factory default.
6. Lower display shows current measured mV with last calibration (if no calibration performed earlier both display
shows the same measurement value.
7. Press to adjust the mV value to match the calibration standard value.
8. Press to confirm the calibration or press
ORP Measurement
1. Press to power on if needed.
2. Dip the electrode about 2 cm to 3 cm into the test solution. Stir and let the reading stabilize. The timer icon
flashes during this time. Once the reading is stabilized, the timer stops flashing and
stability of the reading.
CAUTION: Testing dry samples is not accurate and can lead to sensor damage or
breakage. Soils must be wet and free of particulates that may scratch the
glass sensor. Excessive force into dry samples can cause glass breakage.
3. Note the ORP value or press
4. Press to turn off tester. If the key is not pressed for 8.5 minutes, the tester will
automatically shut off to conserve batteries.
Elite ORP Tester Operating Instructions
to toggle between ON and OFF. Backlight ON increase readability in low light
Temp Set
Settings
Reset
CAL
CAL
mV
Place the tester
189
in the buffer to
189
start or press
to escape.
to freeze the reading. To release the reading, press
to select Settings. Press
Backlight
Backlight
ON
OFF
key to exit the calibration without confirmation.
CAL
RmV
844
25.0°C
to select Settings.
OFF
will appear to indicate the
ORP
again.
.
RmV
844
25.0°C
3