Instrukcja obsługi Adwa AD132
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AD 131 and AD 132
pH/mV/Temperature
Waterproof Meters
USER MANUAL
w w w . a d w a i n s t r u m e n t s . c o m
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Dear Customer,
Thank you for choosing an Adwa product.
Please read carefully this manual before starting operations.
This instrument is in compliance with the EMC directive 2004/
108/EC and its standards, and Low Voltage Directive 2006/95/
EC and its standards for electrical equipments.
For additional technical information, please e-mail us at
sales@adwainstruments.com.
WARRANTY
Adwa warrants this product to be free of defects in material
and workmanship as stated in the operating manual. If repair
or adjustment is necessary and has not been the result of
abuse, misuse or improper handling within the warranty
period, please contact your dealer or the nearest Adwa Office
for the RGA (Return Goods Authorization) number to put on
the outside of your package. Warranted service will be made
without charge. The meter is warranted for a period of 2 years,
while probes are warranted for 6 months. The warranty
period commences from the original date of sale. Warranty is
only valid when the product is used under normal conditions
and in accordance with the instruction manual. The warranty
is void if the instrument is repaired or serviced by unauthorized
personnel, not used in accordance to the instructions, or if
non-Adwa accessories such as buffer solutions, probes, etc.
are used in conjunction with the meter. Adwa will not be held
responsible for any accident whether directly or indirectly,
caused by the use of this instrument.
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TABLE OF CONTENTS
Introduction ................................................................ 4
Technical Data .......................................................... 6
Front and Top Panels ................................................ 8
Operational Guide .................................................... 10
pH Calibration ......................................................... 16
Relative mV Calibration .......................................... 25
Good Laboratory Practice (GLP) ........................... 26
Setup ........................................................................ 31
Log-on-demand ........................................................ 34
Hold Function .......................................................... 39
Printing (AD132 only) ............................................. 40
Battery Replacement .............................................. 44
Temperature Calibration (for technical personnel only) 45
mV Calibration (for technical personnel only) .................. 47
PC Interface (AD132 only) .................................... 49
pH Electrode Conditioning & Maintenance ........... 50
Troubleshooting Guide ............................................. 52
Electrodes, Probes and Solutions ............................ 54
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INTRODUCTION
AD131 AD132 and are heavy-duty portable waterproof
meters for pH, ORP (Oxidation Reduction Potential) and
temperature measurements, designed to provide laboratory
results and accuracy even under harsh industrial conditions.
Main features include:
• 7 memorized buffers for pH calibration (pH 1.68, 4.01,
6.86, 7.01, 9.18, 10.01 and 12.45)
• Messages on the LCD to make the calibration easy
and accurate
• pH readings with manual or automatic temperature
compensation
• Calibration time-out alarm
• Log-on-demand
• HOLD feature to freeze stable reading on the LCD
• GLP feature to view last calibration data for pH and
relative mV
• PC interface (AD132 only)
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Both models are supplied complete with:
•AD1230B pH electrode with double ceramic junction,
BNC connector and 1 m cable
•AD7662 stainless steel temperature probe, 1 m cable
• 1.5V AA alkaline batteries (4 pcs)
• User manual
• Connection to an external serial printer (AD132 only)
with the following specification:
• at least 16 characters/line
• baud rate 9600
• 9-pin RS232 input
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TECHNICAL DATA
Range -2.00 to 16.00 pH
±2000 mV
-20.0 to 120.0 °C (-4.0 to 248.0 °F)
Resolution 0.01 pH
0.1 mV (±999.9 mV) / 1 mV (outside)
0.1 °C (0.1 °F)
Accuracy ±0.01 pH
(@25 °C/77 °F) ±0.2 mV up to ±699.9 mV
±0.5 mV up to ±999.9 mV
±2 mV (outside)
±0.4 °C (±0.7 °F) excluding probe error
Relative mV Offset ± 2000 mV
pH Calibration Up to 5-point calibration,
with 7 standard buffers
(pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45)
Temperature Manual or automatic,
Compensation -20.0 to120.0 °C (-4.0 to 248.0 °F)
pH Electrode AD1230B
Temperature Probe AD7662
Log-on-demand 500 samples
Printer (AD132 only) External serial printer
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PC Interface (AD132 only) RS232 port
Input Impedance 1012 Ohm
Environment 0 to 50 °C (32 to 122 °F)
RH max. 100% non-condensing
Power Supply 4 x 1.5 V AA, alkaline battery
Battery Life Approx. 300 hours of continuous use
Auto-off User selectable: 5 minutes or disabled
Dimensions 188 x 96 x 70 mm
Weight 460 g
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FRONT AND TOP PANELS
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1. Holders for probes
2. ON/OFF key, to turn the instrument ON and OFF
3. HOLD/CLR key, to freeze stable reading on the
LCD and clear calibration or logged data
4. CAL/SETUP key, to enter/exit calibration mode or
enter/exit SETUP mode
5. CFM/GLP key, to confirm value and display GLP
information
6. SHIFT key, to activate the key second function.
Press first SHIFT and then the selected key. The
SHIFT tag is displayed until the second key is pressed
7. DOWN arrow/PAPER (PAPER for AD132 only)
to manually decrease the value of temperature or
other parameters, or to pull out printer paper
8. UP arrow/PRINT (PRINT for AD132 only) key, to
manually increase the value of temperature or other
parameters, to obtain a printout or cancel printing
9. RANGE key, to select measurement range or switch
focused data
10. STORE/MRCL key, to store measured data and
enter/exit the logged data viewing mode
11. Liquid Crystal Display (LCD)
12. RS232 connector (AD132 only)
13. BNC connector for pH or ORP electrodes
14. Temperature probe socket
10
OPERATIONAL GUIDE
• The meter is supplied complete with four 1.5V AA
alkaline batteries. Remove the rear cover, unwrap the
batteries and install them while paying attention to the
correct polarity (see “Battery Replacement” section).
• Connect pH electrode and temperature probe to the
BNC and temperature sockets on the top of the
instrument. Slide the BNC protection sleeve to
completely cover the BNC connector.
• The temperature probe is used in conjunction with the
pH electrode to utilize the meter’s ATC capability, but
it can also be used independently to take temperature
measurements. If the probe is disconnected, the
temperature can be set manually using the arrow keys.
12
•The pH reading is displayed on the primary
LCD and the temperature on the
secondary LCD.
•If measurements are taken successively in different
samples, it is recommended to rinse the electrode
thoroughly with deionized or tap water. Then to condition
the electrode, rinse it with some of the next sample to
be measured before immersing it into the solution.
•Since the pH reading is affected by temperature, in
order to measure the pH accurately, the meter is provided
with temperature compensation feature. To use the
automatic temperature compensation (ATC) feature,
connect and immerse the AD7662 temperature probe
into the sample as close as possible to the electrode
and wait for a few seconds.
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• If the reading is out of range, the closest full-scale
value will be displayed blinking on the primary LCD.
RELATIVE mV MEASUREMENTS
To enter the relative mV mode, press the RANGE key.
The relative mV reading will be displayed on the
primary LCD and the current temperature value on the
secondary LCD.
The relative mV reading is equal to the difference
between the absolute mV input value and relative mV
offset established in the relative mV calibration.
15
TEMPERATURE MEASUREMENTS
Connect the AD7662 temperature probe
to the appropriate socket. Immerse the
temperature probe into the solution and
allow the reading to stabilize.
Notes:
• The temperature can be displayed in Celsius (°C)
or Fahrenheit (°F) degrees (see “Setup” section
for details).
• Make sure that the temperature probe is
immersed in the same sample that is measured.
Specyfikacje produktu
| Marka: | Adwa |
| Kategoria: | miary |
| Model: | AD132 |
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