10
4. The meter returns to Normal Mode.
Automatic shutoff is now disabled.
Note…
The meter will default to automatic shutoff
each time it is turned off.
Automatic Temperature Compensation
(model 850063)
“ATC” displays at the top of the LCD . The
temperature is displayed in either °C or °F.
To select the temperature unit:
1. If the meter is on, press
POWER
button to
turn the meter
off
.
2. Press and hold both
POWER
button and
CAL
until the temperature unit appears on
the LCD .
3 . Press
HOLD
to toggle between °C and °F.
4 . Press
CAL
to save the selection.
8
PH 4.00 : 97mV..... 250mV
PH 7.00 : - 60mV..... 60mV
PH10.00 : - 250mV..... -97mV
Acceptable voltage range of each point:
5. If the probe recognizes the buffer:
If the probe successfully recognizes the
buffer, the buffer pH value (4 or 7 or 10)
will appear on the display in 2 seconds.
If the calibration buffer is not 4,7,10 but
another value, such as 7.01, just
press " " to change the value.
7. To save the calibration value:
When the electrode reads a stable value
and user stops pressing any keys, the
meter will automatically save the value
and then escape the calibration mode.
6. The adjustable cal. point range for 4.0
pH is from 3.50 to 4.50. For 7.0 pH is
from 6.50 to 7.50. For 10.0 pH is from
9.50 to 10.50
CAL ATC
F
O
