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  9. horiba LAQUA 200 Series User manual

horiba LAQUA 200 Series User manual

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pH Calibration & Measurement
The screen will display the set pH buffer group briefly and
the will start blinking until the reading stabilizes.
1. Rinse the pH electrode
with clean water and
blot using lint-free
tissue to remove
excess water.
2. Immerse the pH electrode in pH buffer.
3. Press CAL button on the meter to switch
to calibration mode.
4. Press ENT button to conrm the pH reading. To abort calibration, press MEAS key.
Perform 2-point calibration using
pH 7 and 4 for acidic sample or pH
7 and 10 for alkaline sample.
Perform 3-point calibration using
pH 7, 4, and 10 if you are unsure
of the expected sample value. It
is recommended to calibrate with
pH 7 first.
Make sure that the glass membrane and
junction of the pH electrode are immersed
in sample.
5. Repeat step nos. 1 to 4 to perform calibration with the next pH buffer(s).
6. Rinse the pH electrode with clean water and blot using lint-free tissue to
remove excess water.
7. Immerse the pH electrode in sample.
The meter allows up to 5 calibration points for USA / NIST pH buffers and up to 6 calibration
points for DIN pH buffers.
Quick Guide
LAQUA 200 Series PH210/220,
PC210/220, & PD210/220
Handheld Meters
www.horiba-laqua.com
PH210 Press
Press
The meter will switch to measurement
mode and the electrode icon will
appear on the screen.
P/N: 3200798963 CODE: GZ0000571920
Measurement Modes
VIDEO VIDEO VIDEO
Auto Stable Auto Hold Real Time
pH Calibration DatapH Calibration
VIDEOVIDEO
pH Setup
P1 PH
• P1.3 C.CLR - Erase CAL data
• P1.2 C.ALR - Set CAL alarm
• P1.1 BUFF - Select pH buffer group
P2 DATA
• P2.3 D.CLR - Erase data log
• P2.2 PRNT - Print data log
• P2.1 LOG - Set data log interval
P3 GEN
• P3.4 RSET - Reset meter
• P3.3 °C/°F - Select temperature unit
• P3.2 A.OFF - Set auto shut-off time
• P3.1 STBL - Select measurement mode
P4 CLK*
• P4.2 TIME - Set time
• P4.1 DATE - Set date
Press
Press
Press
Press up or down
buttons to scroll
through settings
Press ENT button to
confirm settings
PH210
Press
*Available in 220 models only