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Summary of Contents for ADWA AD 130
- Page 1 USER MANUAL AD 130 pH/mV/Temperature Portable Meter ADWA HUNGARY Kft. Alsókikötõ sor 11, 6726 Szeged, Hungary Tel. +36 62 317 878 Fax +36 62 550 610 www.adwainstruments.com w w w . a d w a i n s t r u m e n t s . c o m...
- Page 2 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 3: Table Of Contents
WARRANTY TABLE OF CONTENTS Adwa warrants this product to be free of defects in Introduction ............... 4 material and workmanship as stated in the operating manual. If repair or adjustment is necessary and has not Technical Data ............5 been the result of abuse, misuse or improper handling Front and Top Panels .......... -
Page 4: Introduction
0.1 mV. after 20 minutes of non-use). Contact your "Er0, Er1, Er2" EEPROM error. dealer or any Adwa message at start service center. Loaded default pH Perform pH "Clr" message at calibration values. calibration. - Page 5 TROUBLESHOOTING GUIDE SOLUTION SYMPTOM PROBLEM AD130 is supplied complete with: Soak the electrode Slow response/ Dirty pH electrode. • AD2005B/1 pH electrode with Epoxy body, tip pro- tip in AD6050 excessive drift. tection bottle, BNC connector and 1 m cable solution for 30 minutes and then •...
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Page 6: Technical Data
TECHNICAL DATA ELECTRODES, PROBES AND SOLUTIONS Range -2.00 to 16.00 pH AD2005B/1 pH electrode with Epoxy body, tip pro- ±1999 mV tection bottle, BNC connector and 1 m -20.0 to 120.0°C (-4.0 to 248.0°F) cable Resolution 0.01 pH AD2015B/1 ORP electrode with Epoxy body, tip pro- 0.1 mV (±699.9 mV) / 1 mV (outside) tection bottle, BNC connector and 1 m 0.1°C (0.1°F) - Page 7 PERIODIC MAINTENANCE Inspect electrode and cable. The cable used for con- Environment 0 to 50 °C (32 to 122 °F) nection to the meter must be intact and there must be no RH max. 95% points of broken insulation on the cable or cracks on the Dimensions 188 x 96 x 70 mm electrode stem or bulb.
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Page 8: Front And Top Panels
FRONT AND TOP PANELS pH ELECTRODE CONDITIONING & MAINTENANCE PREPARATION PROCEDURE Remove the electrode tip protection bottle. DO NOT BE ALARMED IF SALT DEPOSITS ARE PRESENT. This is normal with electrodes and they will disappear when rinsed with water. During transport, tiny bubbles of air may form inside the glass bulb. - Page 9 TEMPERATURE COMPENSATION MODES: Temperature probe socket • MTC: manual compensation Liquid Crystal Display (LCD) • ATC: automatic compensation ON/OFF key, to turn the meter ON and OFF HOLD/CLR key, to freeze reading on display and BATTERY SYMBOL blinking: low battery condition. store it in the instrument memory, or to clear cali- Batteries should be replaced soon.
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Page 10: Operational Guide
OPERATIONAL GUIDE LCD MESSAGE GUIDE • The meter is supplied complete with four 1.5V AA alkaline batteries. Remove the cover, unwrap the bat- teries and install them while paying attention to their polarity (also see “Battery Replacement” section). • To prepare the instrument for use, connect pH elec- trode and temperature probe to the BNC and tem- perature sockets on the top of the instrument. - Page 11 Battery replacement must INSTRUMENT START-UP only take place in a safe • Turn the instrument on by pressing ON/OFF. area and using the battery • At start-up the display shows all the used segments type specified in this in- for a few seconds (or while the button is held), fol- struction manual.
- Page 12 pH MEASUREMENTS BATTERY REPLACEMENT Remove the electrode tip protection If batteries become weak, the display will flash the bat- bottle. Submerge the pH electrode tip tery symbol to advise the user that approximately 25 hours (4 cm) and the temperature probe into of working time are left.
- Page 13 This is the sequence of programmable parameters: It is recommended to keep the pH electrode always wet and to rinse it thoroughly with some sample to be mea- 1. Auto-off feature: 20 minutes (default) or disabled. sured before use. The pH reading is directly affected by temperature. In order to measure the pH accurately, temperature must be taken into consideration.
- Page 14 The MTC tag and up & down arrow symbols light up on ONE-POINT CALIBRATION the LCD to indicate that the meter is in MTC mode. The For optimum accuracy it is always recommended to per- arrow keys can be used to enter the desired tempera- form a two-point calibration, but for a faster operation it ture value.
- Page 15 Notes: • To avoid erroneous procedures, the meter automati- cally skips the buffer used for the first calibration point. A difference of at least 1.5 pH units is required be- tween the two buffers used for offset and slope cali- bration (i.e.
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Page 16: Hold And Memory Recall Functions
HOLD AND MEMORY RECALL FUNCTIONS From measurement mode, pressing the HOLD key will freeze the reading on display. The frozen value is also stored in the instrument memory and can be recalled at any time by pressing the • Press the CFM key to confirm the MRCL key. -
Page 17: Ph Calibration
• pH CALIBRATION Press CFM to confirm the calibration and the meter will store the first cali- It is recommended to calibrate the instrument frequently, bration point. The primary LCD will especially if high accuracy is required. show the calibrated reading, while the The pH range should be recalibrated: secondary LCD will show the second expected buffer (pH 4.01). - Page 18 TWO-POINT CALIBRATION • Submerge the electrode tip approximately 4 cm into the solution, place the temperature probe as close as • Press the CAL key. CAL and BUFFER tags will be possible to the electrode and stir gently. displayed. • The secondary LCD will display the value “7.01 pH”.
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