Hanna Instruments HI98197 Manual de usuario
INSTRUCTION MANUAL
HI98197
USP Compliant
EC, Resistivity, Temperature Meter
for Ultrapure Water
All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of
the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895, USA.
Thank you for choosing a Hanna Instruments product.
Please read this instruction manual carefully before using this instrument. This
manual will provide you with the necessary information for correct use of this
instrument, as well as a precise idea of its versatility.
If you need additional technical information, do not hesitate to e-mail us at
tech@hannainst.com or view our worldwide contact list for a Hanna Instruments
representative near you at www.hannainst.com.
Dear
Customer
3
TABLE OF CONTENTS
PRELIMINARY EXAMINATION ............................................................................................
GENERAL DESCRIPTION ....................................................................................................
FUNCTIONAL DESCRIPTION ...............................................................................................
SPECIFICATIONS ..............................................................................................................
OPERATIONAL GUIDE .......................................................................................................
AUTORANGING ................................................................................................................
TEMPERATURE COMPENSATION ........................................................................................
CONDUCTIVITY VERSUS TEMPERATURE CHART....................................................................
USP MEASUREMENT ........................................................................................................
USP MODE PROCEDURES .................................................................................................
USER CALIBRATION ..........................................................................................................
EC CALIBRATION ..............................................................................................................
GOOD LABORATORY PRACTICE (GLP) ..................................................................................
SETUP ............................................................................................................................
LOG ON DEMAND .............................................................................................................
AUTOLOG ........................................................................................................................
AUTOEND..........................................................................................................................
TEMPERATURE CALIBRATION (for technical personnel only) .................................................
PC INTERFACE ................................................................................................................
BATTERIES REPLACEMENT ................................................................................................
TROUBLESHOOTING GUIDE ...............................................................................................
PROBE MAINTENANCE ......................................................................................................
ACCESSORIES .................................................................................................................
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5
9
16
18
23
28
37
53
56
66
68
6
11
17
19
27
35
49
55
59
67
70
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Note: Save all packing material until you are sure that the instrument functions correctly. All defective
items must be returned in the original packing with the supplied accessories.
Remove the instrument from the packing material and examine it carefully to make sure that no damage
hasoccurredduring shipping. If thereisanydamage,please contact your local Hanna Instruments Office.
Each instrument is supplied with:
• HI763123 Platinum four-ring Conductivity/TDS probe with internal temperature sensor and
1 m (3.3’) cable
•HI605453 Stainless Steel Body for HI763123
• HI7031M 1413 µS/cm calibration standard (230 ml)
•HI7033M 84 µS/cm calibration standard (230 ml)
• HI920015 Micro USB cable
• 100 mL Plastic Beaker (2 pcs.)
• 1.5 V AA Batteries (4 pcs.)
• Instruction Manual and Quick Reference
• Certificate
• Tubing
PRELIMINARY EXAMINATION
5
The HI98197 instrument is state-of-the-art, heavy-duty conductivity meter, designed to provide
laboratory results and accuracy under harsh industrial conditions.
The USP standard compliance makes the instrument useful for ultrapure water determination.
It is provided with a series of new diagnostic features which add an entirely new dimension to the measure-
ment of conductivity, by allowing the user to dramatically improve the reliability of the measurement:
• 7 memorized standards (0.00 µS/cm, 84.0 µS/cm, 1.413 mS/cm, 5.00 mS/cm, 12.88 mS/cm,
80.0 mS/cm and 111.8 mS/cm) for calibration.
• EC calibration up to five calibration points.
• Messages on the graphic LCD for an easy and accurate calibration.
• Diagnostic features to alert the user when the electrode needs cleaning.
• User-selectable “calibration time out” to remind when a new calibration is necessary.
Moreover, they offer an extended temperature range from -20.0 to 120.0 °C (-4.0 to 248.0 °F),
using temperature sensor inside EC electrode.
This instrument can also measure in Resistivity, TDS and Salinity ranges. Three salinity modes are
available:
% NaCl, Practical salinity and Natural seawater scale.
Other features include:
• Temperature source selection
• Temperature automatic compensation, linear or non linear user selectable
• Temperature reference selection 15 °C, 20 °C or 25 °C.
• Temperature coefficient set
• Log on demand up to 400 samples
• Auto Log feature up to 1000 records
• Auto Hold feature, to freeze first stable reading on the LCD
• Lock and user setup Fixed range selection
• GLP feature, to view last calibration data for EC, NaCl
• Probe change recognition
• PC interface
• Probe replatinization
GENERAL DESCRIPTION
6
1) Liquid Crystal Display (LCD).
2) F1, F2, F3 functional keys.
3) / keys to manually increase/decrease the parameters or to scroll between the parameter
list.
4) ON/OFF ( )key, to turn the instrument ON and OFF.
5) LIGHT ( ) key to toggle display backlighting.
6) GLP key, to display Good Laboratory Practice information.
7) CAL key, to enter/exit calibration mode.
8) SETUP key, to enter/exit SETUP mode.
9) RCL key, to enter/exit view logged data mode.
10) MODE key to toggle between EC, USP and Salinity ranges.
11) RANGE key, to switch between EC, Resistivity, TDS, NaCl.
12) HELP key to enter/exit contextual help.
13) ESC to leave current mode, exit calibration, setup, help. etc.
FRONT VIEW
14) Electrode DIN connector.
15) USB connector.
TOP VIEW
FUNCTIONAL DESCRIPTION
7
HI605453 - Stainless Steel Body for HI763123
The HI98197 uses the HI763123 platinum four-ring conductivity/resistivity probe for the measurement
of very low conductivity solutions. The HI763123 is capable of measuring the conductivity/resistivity
of high purity water (18.2 MΩ⋅cm @ 25°C). The conductivity readings are displayed with a
0.001 µS/cm resolution and resistivity readings to 0.1 MΩ⋅cm. The measurement of conductivity/
resistivity of high purity water is difficult to perform in an open vessel due to the reaction of carbon
dioxide (CO2) in the air with water (H20) to form carbonic acid (H2CO3). The carbonic acid will
dissociate into hydrogen ions (H+) and bicarbonate ions (HCO3
-). This dissociation will not only cause
a decrease in pH but also a decrease in resistance (increase in conductance). The HI763123 platinum
four-ring conductivity/resistivity probe has a threaded connection for the insertion of the probe into
a stainless steel flow cell to prevent the diffusion of carbon dioxide into the water. The high purity
water flows through the bottom of the flow cell using a plastic tubing connection and exits out the
side connection to a drain. It is important that the flow of water is from the bottom to ensure that the
water passes through the PEI sleeve of the conductivity/resistivity probe.
When using the flow cell for continuous measurements of high purity water, it is necessary to follow the
next steps:
• Rinse and clean the electrode with purified water. The PEI protective sleeve of the HI763123
should be removed by pulling down. After rinsing with water the probe should be dried and the sleeve
placed back on.
• Insert the HI763123 probe into the flow cell and tighten clockwise. Note that it is easier to screw
the probe into the flow cell when the probe is not connected to the meter.
Connect the supplied plastic tubing to the flow cell.
HI763123-four-ring Conductivity/TDS probe with internal temperature sensor and 1m (3.3’)
cable.
FUNCTIONAL DESCRIPTION
8
• Perform two-point calibration. The first calibration point is done in air (probe inserted in flow
cell without any solution). The air calibration is at 0.001 µS/cm. Once the probe is calibrated to
0.001 µS/cm then a second point is calibrated. It is recommend calibrating the second point with
the HI7033 (84 µS/cm) calibration standard. Holding both tubing (bottom and side) the standard
is introduced into the flow cell through the bottom tubing until there is a 5-7.5 cm (2-3”) column
of solution in the side tubing. While holding both tubes the flow cell should be tapped gently to
dislodge any trapped air. Alternatively the raising and lowering of each tube to move the solution
through the cell. The column of solution should be observed to move as one tube is raised higher
than the other. Once the reading stabilizes the calibration point can be confirmed.
• After calibration the bottom tube of the flow cell is connect to the water source to be tested. The
other tube goes to waste. The water source should be turned on and adjusted to approximately
200-500 mL/minute. A graduated cylinder or beaker can be used to determine the flow rate. The
water should be allowed to flow for at least 1-2 minutes before taking a reading.
• For the measurement of high purity water it is important to use a temperature correction coefficient
(β) of 5.20%/°C. See setup options for changing the temperature correction coefficient. This setting
will adjust each reading by 5.20% for each 1 °C away from the reference temperature (default
25 °C). Using a temperature coefficient of 1.90%/°C (default) will result in higher readings
(>18.2 MΩ⋅cm) being observed for high purity water at a temperature colder than 25 °C.
FUNCTIONAL DESCRIPTION
9
Resistivity
Range
1.0 to 99.9 Ω⋅cm
100 to 999 Ω⋅cm
1.00 to 9.99 KΩ⋅cm
10.0 to 99.9 KΩ⋅cm
100 to 999 KΩ⋅cm
1.00 to 9.99 MΩ⋅cm
10.0 to 100.0 MΩ⋅cm
(autoranging)
Resolution 0.1 Ω⋅cm / 1 Ω⋅cm / 0.01 KΩ⋅cm/ 0.1 KΩ⋅cm/ 1 KΩ⋅cm
0.01 MΩ⋅cm / 0.1 MΩ⋅cm
Accuracy ±1% of reading (±10 Ω⋅cm or 1 digit whichever greater)
TDS
Range
0.00 to 99.99 ppm
100.0 to 999.9 ppm
1.000 to 9.999 g/L
10.00 to 99.99 g/L
100.0 to 400.0 g/L
(autoranging)
Resolution 0.01 ppm / 0.1 ppm / 0.001 g/L / 0.01 g/L / 0.1 g/L
Accuracy ±1% of reading (±0.05 ppm or 1 digit whichever greater)
EC
Range
0 to 400 mS/cm
(shows values up to 1000 mS/cm)
Actual conductivity 1000 mS/cm
0.000 to 9.999 µS/cm
10.00 to 99.99 µS/cm
100.0 to 999.9 µS/cm
1.000 to 9.999 mS/cm
10.00 to 99.99 mS/cm
100.0 to 1000.0 mS/cm (autoranging)
Resolution 0.001 µS/cm / 0.01 µS/cm / 0.1 µS/cm
0.001 mS/cm / 0.01 mS/cm / 0.1 mS/cm
Accuracy ±1% of reading (±0.01 µS/cm or 1 digit whichever greater)
SPECIFICATIONS
10
Temperature
Range -20.0 to 120.0 °C (-4.0 to 248.0 °F)
Resolution 0.1 °C (0.1 °F)
Accuracy ±0.2 °C (±0.4 °F) (excluding probe error)
EC Calibration
Automatic up to five points with seven memorized standards
(0.00 µS/cm, 84.0 µS/cm, 1.413 mS/cm, 5.00 mS/cm,
12.88 mS/cm, 80.0 mS/cm, 111.8 mS/cm)
Cell Constant Setup 0.010 to 10.000
NaCl Calibration Max. one point only in % range (with HI7037 standard);
use conductivity calibration for other ranges
Implemented Standards USP compliant
EC Probe HI763123 (8 pin DIN, 1 m cable)
Temperature Source Automatic from sensor inside the probe; Manual entry
Temperature Compensation NoTC, Linear, Non Linear ISO/DIS 7888 std
Reference Temperature 15, 20, 25 °C
Temperature Coeficient 0.00 to 10.00 %/°C
TDS Factor 0.40 to 1.00
SPECIFICATIONS
Log on Demand 400 samples
Lot Logging 5, 10, 30 sec,
1, 2, 5, 10, 15, 30, 60, 120, 180 min (max 1000 samples)
Salinity
Range
% NaCl: 0.0 to 400.0 %
Seawater scale: 0.00 to 80.00 (ppt)
Practical salinity: 0.01 to 42.00 (PSU)
Resolution 0.1 % / 0.01 ppt / 0.01 PSU
Accuracy ±1% of reading
Memorized Profiles Up to 10
Measurement Modes Autorange, AutoEnd, LOCK and fixed range
Battery Type / Life 1.5V AA batteries (4 pcs.) / 100h no backlight 25h with
backlight
Auto Power Off User selectable: 5, 10, 30, 60 minutes or disabled
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