Ph Measurement; Measurement Modes - OHAUS a-AB33M1 Mode D'emploi

Analyzer and Bench Meter
3.3

PH measurement

3.3.1

Measurement modes

3.3.1.1 Auto or Continuous End Point Mode
To switch between the two modes:
1 Touch the Menu icon
2. Touch Setup, and then touch Mode.
3. Touch Read type.
4. Touch Auto-Stop or Continuous to confirm your setting.
When in Continuous Mode, to manually reach a pH measurement, you need to

press the
reading freezes.
When in Auto End Point Mode, the meter/analyzer determines when the reading is

stable. The reading freezes when the
appears on the display.
3.3.1.2 Timed mode (a-AB41PH)
a-AB41PH model supports timed measurement mode. Use this mode to measure
samples during the time period you set. The available time interval is from 5 seconds to
24 hours.
To set up the timed period:
1. Touch the Menu icon
2. Touch Setup, and then touch Mode.
3. Touch Read type.
4. Touch Timed. Time interval 00 (hour):00 (minutes):05 (seconds) is displayed.
5. Press the
the number you want, touch on the 00:00:00 area to confirm your setting of the
hour. Then repeat these two step to finish setting all the time interval.
To start the timed measurement:
1. On the measurement screen, find the reminder "The countdown starts:
00:00:05" which suggests the timed period is set successfully. (The timed period
varies according to the time you set in the previous steps.)
2. Press the
3. The meter will automatically store the measurement result during the timed period
and export to your printer or computer if they are connected to the meter.
After the timed period, for example, if you set 5 seconds as the timed period, the
meter will automatically start a new round of 5 seconds measurement.
4. Press the
to enter menu option.
button. Then the
to enter menu option.
or button to switch between different numbers. When you see
button to start the measurement.
button to end the measurement.
icon and the
icon stops blinking and the
icon stop blinking, and the
EN-15
icon