ADWA AD1000 Manual de usuario
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AD1000 and AD1020
pH/mV/ISE/Temperature
Bench Meters
USER MANUAL
www.adwainstruments.com
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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
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TABLE OF CONTENTS
Introduction ............................................................... 4
Technical Data.......................................................... 6
Front and Rear Panels .............................................. 8
Operational Guide .................................................. 12
pH Calibration ........................................................ 19
Relative mV Calibration ......................................... 29
ISE Calibration (AD 1020 only) ............................ 30
Good Laboratory Practice ...................................... 35
Setup ....................................................................... 42
Logging/Storing ...................................................... 50
Hold ........................................................................ 58
Printing ................................................................... 59
Temperature Calibration (for technical personnel only) 64
mV Calibration (for technical personnel only) ................. 66
Analog Output ........................................................ 68
PC Interface ............................................................ 68
pH Electrode Conditioning & Maintenance. .......... 69
Troubleshooting Guide ........................................... 72
Electrodes, Probes and Solutions ........................... 74
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INTRODUCTION
AD1000 and AD1020 are professional bench meters
with ranges for pH, ORP (Oxidation Reduction Poten-
tial), ISE (AD1020 only) and temperature
measurements. Relative mV readings are also pro-
vided.
Main features include:
• Up to 5-point calibration with 7 memorized buffers
(pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01 & 12.45) and
two custom buffers
• Calibration time-out alarm
• pH calibration using buffers with 0.001 resolution
• pH reading with manual or automatic temperature
compensation
• Log-on-demand (up to 50 samples) and automatic
logging (up to 1000 samples)
• Two selectable alarm limits
• User selectable logging interval mode
• Connection to an external serial printer with the
following specifications:
• at least 16 characters / line
• baud rate 9600
• 9-pin RS232 input
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• Large easy-to-read LCD showing pH or ISE
(AD1020 only), mV and temperature readings si-
multaneously, together with graphic symbols
• HOLD feature to freeze the stable reading on the
LCD
• GLP feature to view last calibration data for pH,
ISE and relative mV
• PC interface
Both models are supplied complete with:
•AD1131B refillable pH electrode with glass body,
BNC connector and 1 m cable
•AD7662 stainless steel temperature probe 1 m cable
• pH 4.01 and pH 7.01 calibration buffers (20 ml
sachet each)
• Electrode holder
• 12 Vdc power adapter
• User manual
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TECHNICAL DATA
Range -2.00 to 16.00 pH / -2.000 to 16.000 pH
±2000 mV
0.001 to 19999 ppm (AD1020 only)
- 20.0 to 120.0°C (- 4.0 to 248.0°F)
Resolution 0.01 pH / 0.001 pH
0.1 mV
(±999.9 mV) / 1 mV (outside) 0.001 ppm
(0.001 to 9.999) 0.01
ppm (10.00 to 99.99) 0.1
ppm (100.0 to 999.9) 1
ppm (1000 to 19999)
(AD1020 only)
0.1°C (0.1°F)
Accuracy ±0.01 pH / ±0.002 pH
(@25°C/77°F) ±0.2 mV up to ±699.9 mV
±0.5 mV up to ±999.9 mV
± 2 mV outside
±0.5% f.s.
ISE (AD1020 only)
±0.4°C (±0.7°F) (excluding probe error)
Relative mV Offset ± 2000 mV
pH Calibration Up to 5 point calibration,
with 2 custom and 7 standard buffers
(pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45)
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ISE Calibration Up to two-point calibration,
(AD1020 only) 5 standard solutions available
(0.1, 1, 10, 100, 1000 ppm)
Temperature Manual or automatic,
Compensation -20.0 to 120.0°C (-4.0 to 248.0°F)
pH Electrode AD1131B
Temperature Probe AD7662
Logging Interval 5 seconds to 180 minutes
Printer External serial printer
PC Interface USB port
Analog Output ± 2000 mV
Input Impedance 1012 Ohm
Environment 0 to 50°C (32 to 122°F)
RH max. 95% non-condensing
Power Supply 12 Vdc adapter
Dimensions 230 x 180 x 50 mm
Weight 1.8 kg
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Front Panel
FRONT AND REAR PANELS
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Rear Panel
1. Power adapter socket
2. Reference input socket
3. BNC connector for pH, ORP or ISE electrodes
4. Temperature probe socket
5. Analog output sockets
6. USB port for PC connection
7. RS232 port for external serial printer connection
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1. HOLD key, to freeze reading on the LCD
2. PRINT key, to obtain a printout or cancel printing
3. PAPER key, to pull out the external printer paper
4. ON/OFF key, to turn the instrument ON and OFF
5. Left arrow key, to toggle between parameters while
in MEM RCL or SETUP mode (backwards), to
toggle between absolute mV and temperature while
in relative mV mode and between pH buffer and
temperature while in pH calibration mode
Keyboard
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