Agilent Technologies 3200P User manual

Agilent Technologies
Agilent 3200P
pH Meter
pH 计
User Guide
用户手册
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3200P pH Meter User Guide
Notices
© Agilent Technologies, Inc. 2012
No part of this manual may be reproduced in
any form or by any means (including elec-
tronic storage and retrieval or translation
into a foreign language) without prior agree-
ment and written consent from Agilent
Technologies, Inc. as governed by United
States and international copyright laws.
Manual Part Number
5973-1775
Edition
First edition, March 2012
Printed in China
Agilent Technologies, Inc.
412 Ying Lun Road
Shanghai 200131 P.R. China
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CAUTION
A CAUTION notice denotes a
hazard. It calls attention to an oper-
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3200P pH Meter User Guide 3
Contents
1 Installation 5
Tools and Components Needed for Installation 6
Installing the 3200P pH Meter 7
Installing the Power Adaptor 9
Installing the Ground Line 10
Installing the Electrochemical Data Collecting Software 10
More Information 10
2 Operation 11
Introduction 12
Safety Information 14
Agilent Customer Portal 15
Term Definitions 16
Features 17
Specifications 18
The Operating Panel 19
Display 19
Keypad 19
Instrument control 21
Setting Up the pH Meter 22
To start up the 3200P pH Meter 22
Accessing setup parameters 23
To manually set the solution temperature 27
To set up the system (System Setup) 29
To select the display language 31
To set the meter to turn off automatically (Auto Power Off) 31

43200P pH Meter User Guide
Using the pH Meter 32
To prepare an electrode for use 32
To adjust mV zero 33
To calibrate pH electrode (Calib pH EC) 36
To measure pH value 39
To measure mV value 40
To measure temperature 40
To turn off the 3200P pH Meter 40
Storing Data 41
To delete saved data 41
To output data 41
Viewing Parameters During Measurement 42
To view saved data 43
To view last calibrated data 45
Software Operation 47
To install the software 47
To run software 47
3 Troubleshooting and Maintenance 49
Troubleshooting Common Problems 50
General Troubleshooting Procedure 52
Check the temperature measurement 52
Check the potential (mV) value 53
Check the pH value 53
Restore factory default settings 54
Meter Self-Diagnostics and Messages 56
Severe errors 56
Error warning 57
Maintenance 59
Electrode cleaning 59
Electrode storage 59

5
Agilent Technologies
Agilent 3200P pH Meter
User Guide
1
Installation
Tools and Components Needed for Installation 6
Installing the 3200P pH Meter 7
Installing the Power Adaptor 9
Installing the Ground Line 10
Installing the Electrochemical Data Collecting Software 10
More Information 10
Use the tools and accessories shipped with 3200P pH Meter
during installation.

63200P pH Meter User Guide
1 Installation
Tools and Components Needed for Installation
Agilent provides the special tools needed for installation. You
can find the following parts in the shipping case of the pH
Meter (Meter Kit).
•Electrode holder (G4389A)
•Electrode, for example P3211 pH combination electrode
(5190- 3988)
•Power adapter (5185- 8389)

Installation 1
3200P pH Meter User Guide 7
Installing the 3200P pH Meter
Open the meter kit package case. Remove the pH Meter,
multifunction electrode holder, and other parts.
The sockets for the pH electrode and ATC probe are on the
back panel of the meter. Insert the connectors of the pH
electrode and ATC probe (5190- 3998) into their respective
sockets. See Figure 6 on page 13. Run the electrode cables
along the electrode holder as shown in Figure 2 on page 8.
Figure 1 Installing the Electrode holder
Large nut
Small nut
Flexible arm
Small nut
Electrode holder
Large nut
Electrode holder base
Setscrew

83200P pH Meter User Guide
1 Installation
Figure 2 Installing the electrodes

Installation 1
3200P pH Meter User Guide 9
Installing the Power Adaptor
The universal power adapter that is included with the meter
is the only power adapter recommended for use with this
unit.
The external electrical power adapter is rated at 100 to
240 VAC, 1 A, 50/60 Hz.
This power adaptor provides a plug converter which
supports several kinds of plugs. Choose the appropriate
power plug. Connect the output plug of the power adapter to
the power input on the meter. A click will be heard when
the plug is properly engaged.
Figure 3 Installing the Power Adaptor

10 3200P pH Meter User Guide
1 Installation
Installing the Ground Line
The meter ships with an optional ground line. During use, if
another device (such as a constant temperature bath) causes
electrical interference and an unstable reading, install the
ground line. Connect one terminal of the ground line to the
meter ground socket ( ) and the other terminal to the
interference source.
Installing the Electrochemical Data Collecting Software
The optional G4390A software provides communications
between the meter and a computer. To input data to a
computer, install the Electrochemical Data Collecting
Software on a computer. Connect the computer to the meter
with a USB cable. See the G4390A software documentation
for more information.
If not using the G4390A software, Agilent provides
downloadable data printing software on the Agilent
Customer Portal (see “Agilent Customer Portal ” on
page 15). To use this software, download it from the portal
and install it. Then connect the meter to the PC using the
USB cable. Refer to the data printing software
documentation for more information
More Information
For more information, visit the Agilent website at
http://www.agilent.com/chem. See also the instructions
provided with each electrode.

11
Agilent Technologies
Agilent 3200P pH Meter
User Guide
2
Operation
Introduction 12
Safety Information 14
Agilent Customer Portal 15
Term D e f i n it i o ns 16
Features 17
Specifications 18
The Operating Panel 19
Setting Up the pH Meter 22
Using the pH Meter 32
Storing Data 41
Viewing Parameters During Measurement 42
Software Operation 47
This chapter describes how to use the 3200P pH Meter.

12 3200P pH Meter User Guide
2Operation
Introduction
The 3200M pH Meter is suitable for accurately measuring the
pH value of various solutions.
During measurement, the LCD display shows the current
state of the 3200P pH Meter. During measurement, you can
also change the displayed parameters.
The 3200P pH Meter is composed of a meter body and an
electrode system. The electrode system shown in Figure 4
includes a pH combination electrode and an ATC probe.
See Figure 4, Figure 5, and Figure 6.
Figure 4 Major parts of the pH 3200P system
Display
Keypad
pH Combination electrode
ATC probe

Operation 2
3200P pH Meter User Guide 13
Figure 5 Front view of the pH 3200P Meter
Figure 6 Back view of the pH 3200P Meter
Display
Keypad
Ground
Reference electrode socket
pH Combination electrode socket
ATC probe socket
USB
Power (DC 9V 800 mA)

14 3200P pH Meter User Guide
2Operation
Safety Information
Before operating your meter, be sure to read the installation
and operation instructions.
The most common safety issues when working with the
meter include:
•Using any power source other than the original power
adaptor may produce some safety problems.
•Be sure that the meter has a good ground connection.
•Prevent exposure to corrosive gases.
•Keep the sockets of the meter clean and dry. Avoid
contact with acidic, alkaline, and salt solutions.
•The meter can be used continuously for a long time. After
a measurement, soak all electrodes in distilled water.
•To protect high resistance components from damage,
install the short circuit plug (G4383- 40000) onto the pH
electrode socket when the meter is not connected to a pH
electrode. (The short- circuit plug ships installed in the pH
socket of the meter, see Figure 6.) Keep the short- circuit
plug clean and dry. The plug can be damaged by
humidity. A damaged short- circuit plug can damage the
meter.

Operation 2
3200P pH Meter User Guide 15
Agilent Customer Portal
Agilent also provides customized information for the
products you own through a customer portal. This web
service provides many customizable services as well as
information related directly to your Agilent products and
orders. Log onto the portal at
http://www.agilent.com/chem.

16 3200P pH Meter User Guide
2Operation
Ter m Defini tions
pH Slope The mV variation of each unit
of pH represented by mV/pH
or percent (%) theoretical
slope
pH E0Also called Zero Potential and
is the mV value at pH 7
One- point pH Calibration Calibration with one pH buffer
Multi- point
pH Calibration
Calibration with more than
one pH buffer

Operation 2
3200P pH Meter User Guide 17
Features
The 3200P pH Meter is a state- of- the- art and
customer- friendly benchtop analytical instrument, designed
for the measurement of pH, potential (mV), and temperature
in aqueous solutions. It features:
•Measurement of pH, potential (mV), and temperature
•Automatic pH buffer recognition for buffers prepared
according to NIST, DIN and GB standards
•Supports multi- point calibration (up to five point
calibration)
•LCD display
•Supports GLP:
•Requires setting an operator number
•Records all measurements
•Records, views and prints calibration data
•All saved data meets GLP. Stores a maximum of 200
sets of measurement data
•Can view, print and delete stored measurement data
•Supports three measuring modes: Continuous Mode,
Timed Reading, and Auto- Lock Mode
•A USB port can be connected to a PC when using the
optional G3490A software.
•When the meter is powered off, the stored measuring
data, calibrated data, and setting parameters will not be
lost.
•Can turn itself off to conserve power
•Provides self- diagnostic messages and functions to
support troubleshooting issues that occur
•Provides LCD back lighting for use under dim lighting
conditions
•Meter firmware can be updated for any new features or
bug fixes that arise.

18 3200P pH Meter User Guide
2Operation
Specifications
The major specifications of the 3200P pH Meter include
measuring range, resolution, accuracy of the electronics,
normal working conditions, size and weight.
Measurement range
pH: –2.000 to 20.000
mV: –1999.9 mV to 1999.9 mV
Temperature: –5.0 to 110.0 °C
Resolution
pH: ± 0.1/0.01/0.001 pH/pX
mV: ± 0.1 mV
Temperature: ± 0.1 °C
Accuracy
pH: ± 0.002
mV: ± 0.03% full scale
Temperature: ± 0.1 °C
Normal operating conditions
Ambient (environment) temperature: 0 to 40 °C
Corresponding humidity: ≤85%
Power supply: Power adaptor (5185- 8389)
Power input: 100 to 240 VAC, 1 A
Power output: 9 VDC, 1 A
No performance- affecting vibrations nearby
No corrosive gases in ambient air
No strong electromagnetic interference
Size (mm): 190 length × 190 width × 105 height
Weight (kg): approximately 1 kg

Operation 2
3200P pH Meter User Guide 19
The Operating Panel
Display
The display shows the working condition and current setting
of the 3200P pH Meter. After the power supply is connected,
press [On/Off] to turn on the meter. After a successful power
up, the meter model, version number, and other information
displays. After the system self- check, the meter goes to the
initial state as shown in Figure 7. The left side of the screen
shows current system time and the right side shows the
current measuring mode, parameters, and the last calibration
data.
Keypad
The meter has 15 operating keys. The keys are shown in
Figure 8 on page 20 and described in Table 1 on page 20.
Most keys have two values, a numeric entry and a function.
Which one applies depends on the display; if it is waiting for
a number, the numeric entry applies, otherwise, the function
applies. To complete a numeric entry, press [Enter].
Figure 7 The display

20 3200P pH Meter User Guide
2Operation
Figure 8 Operating keys
Tab l e 1 Key values
Key symbol Numeric entry Function
1/Output 1 Output presently displayed data
2/2 Move up or select mode
3/Save 3 Store measuring data
4/4Moveleft
5/Setup 5 Set different function
6/6Moveright
7/View 7 View stored or calibrated data
8/8 Move down or select mode
9/Mode 9 Switch display window or parameter
in measuring state
0/Measure 0 Begin measurement in initial state
–/Delete – (negative number) Delete function
Can delete saved data when you
view them.
./Calibrate . (decimal point) Calibrate electrode
Enter Enter
Cancel Cancel
On/Off Turn meter on or off