Sper Scientific 860031 pH - mV Bench-Top Meter - Manual (Page 40)

40
MEASUREMENT PROCEDURES
minutes in a KCl solution. DO NOT wipe the pH probe
dry. Wiping the probe may cause static and cause
calibration and measurement instability.
2. Press POWER to turn the meter on. ATC appears on
the LCD to indicate that the automatic temperature
compensation probe is connected and working properly.
3. Immerse the probe tip (glass bulb) completely into the
sample.
4. Stir the probe gently to create a uniform sample.
5. Wait until the reading has stabilized. If enabled in setup,
“READY” will illuminate to indicate a stable reading.
6. Press MODE to switch between mV and pH.
mV Measurement (± 499 mV)
mV measurement range is from -499 mV to +499 mV with a
pH probe.
1. Follow Step 1 in the pH Measurement section (page 39)
to clean and soak the probe.
2. Press POWER to turn the meter on. Press MODE to
select mV mode.