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Summary of Contents for ADWA AD110
- Page 1 USER MANUAL AD110 and AD111 pH/°C and pH/mV/°C Meters w w w . a d w a i n s t r u m e n t s . c o m...
- Page 3 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 89/336/EEC and Low Voltage Directive 73/23/EEC for electrical equipments. For additional technical information, please e-mail us at...
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Page 4: Table Of Contents
TABLE OF CONTENTS Introduction ............... 5 Technical Data ............6 Display and Keyboard Functions ......7 Measurements ............9 Calibration ............... 12 Battery Replacement ..........15 Electrode Maintenance ........... 16 Probes and Solutions ..........17 Notes ............... 19... -
Page 5: Introduction
INTRODUCTION AD110 and AD111 are compact pH meters featuring automatic pH calibration, hold function, low battery indication, temperature measurement and compensation. In addition, AD111 can measure in the mV range, if using proper electrode. Both models are supplied complete with: •... -
Page 6: Technical Data
TECHNICAL DATA AD110 AD111 Range -2.00 to 16.00 pH / -5.0 to 105.0 °C ±1000 mV Resolution 0.01 pH / 0.1 °C 1 mV Accuracy@25°C ±0.02 pH ±0.5 °C up to 60 °C / ±1 °C outside ±2 mV pH Calibration... -
Page 7: Display And Keyboard Functions
DISPLAY AND KEYBOARD FUNCTIONS... - Page 8 Display 1. H symbol, lights up to indicate that the reading is frozen on display 2. Battery symbol, lights up to indicate a low battery condition 3. Measure unit of the displayed reading: pH, mV (AD111 only) or °C Keyboard 4.
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Page 9: Measurements
MEASUREMENTS • Each instrument is supplied complete with four 1.5V batteries. Install the batteries as explained in the “Battery Replacement” paragraph (see page 14). • Attach pH electrode and temperature probe to the connectors on the top of the instrument. •... - Page 10 Note: The pH electrode tip should be submersed at least 4 cm into the solution. Note: The temperature probe should be located as near as possible to the pH electrode. • Press the SET/HOLD key to display the desired range: pH, mV (only for AD111 with the proper electrode), or °C (temperature).
- Page 11 • Clean the pH electrode with water and insert the tip protection bottle. Never let the electrode tip dry. See “Electrode Maintenance” paragraph (page 15) for details.
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Page 12: Calibration
CALIBRATION The instrument is factory calibrated for mV and temperature ranges. Contact your dealer for re- calibration, if necessary. For pH calibration, proceed as follows: • Enter the calibration mode by pressing CAL key. “7.01 pH” will start blinking. • For a single-point calibration, im- merse pH electrode and temperature probe in any of the memorized buffers (e.g. - Page 13 Note: If the pH 7.01 buffer was used, press SET/HOLD again to exit the calibration mode. Otherwise, if a different buffer was used, the meter automatically returns to normal mode. • For a two-point calibration, immerse pH electrode and temperature probe in pH 7.01 buffer.
- Page 14 • When also this buffer is recognized, press SET/HOLD to confirm and store the second calibration point; the meter will return to normal mode. Note: If a solution with wrong pH value is used as buffer for calibration, the LCD displays the “Ec” message.
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Page 15: Battery Replacement
BATTERY REPLACEMENT When the batteries become weak, the battery symbol on the LCD lights up. When the low battery indicator appears only a few hours of battery life is remaining. It is recommended to replace the batteries immediately. In addition, when the battery level is too low to ensure reliable readings, the Battery Error Prevention System (BEPS) warns the user by displaying... -
Page 16: Electrode Maintenance
ELECTRODE MAINTENANCE Storage To minimize clogging and ensure a quick response time, the glass bulb and the junction of the pH electrode should always be kept moist. When not in use, store the electrode with the tip protective bottle. If you need to add some solution to the tip protective bottle, use the AD70300 storage solution. -
Page 17: Probes And Solutions
PROBES AND SOLUTIONS AD1230B pH electrode with Epoxy body, tip protection bottle, BNC connector and 1 m cable AD3230B ORP electrode with Epoxy body, tip protection bottle, BNC connector and 1 m cable AD7662 Stainless steel temperature probe with 1 m cable AD70004P pH 4.01 buffer solution, 20 ml sachet,... -
Page 18: Notes
NOTES... - Page 20 ADWA INSTRUMENTS Kft. Alsókikötõ sor 11, 6726 Szeged, Hungary Tel. +36 62 317 878 Fax +36 62 550 610 e-mail: sales@adwainstruments.com www.adwainstruments.com MANAD110 09/14...
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