Sper Scientific 850064K AquaShock pH ORP Kit User Manual
Page 11

11
CALIBRATION
Calibration should be performed whenever the probe has been
out of use for 48 hours or longer. To prepare for calibration:
1. Immerse the pH probe in standard buffer solution for
30 minutes or longer.
Calibrate With Temperature Sensor/ATC pH Probe
1. Press
CAL for 2 seconds to enter Calibration Mode.
2. The meter will automatically recognize the calibration buffer.
The value and “Finished” will display on
the LCD when the procedure is complete.
3. Press
EXIT to return to Normal Mode.
4. Repeat Steps 1-2 to calibrate other points.
Note...
All other keys will be inoperable while using the calibration function.
Calibrate Without Temperature Sensor/MTC pH Probe
1. Press
CAL for 2 seconds to enter Temperature Setup Mode.
The temperature value will flash on the LCD.
2. Press
↑ to increase the value. Hold down ↑
to continually increase the value.
Press
↓ to decrease the value. Hold down ↓
to continually decrease the value.
For °C, the range is 0 ~ 60.0°C; for °F,
the range is 32 ~ 140.0°F.
Press
SETUP and the meter will automatically recognize the
calibration buffer. The value and “Finished” will display on the
LCD when the procedure is complete.
Repeat Step 2 to calibrate other points.
3. Press
EXIT to return to Normal Mode.