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Summary of Contents for ELMETRON CP-411B
- Page 1 WATERPROOF pH-METER CP-411 USER‘S MANUAL...
- Page 3 USER‘S MANULAL WATERPROOF pH-METER CP-411 Before starting work please read the instruction carefully.
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Page 5: Table Of Contents
CONTENTS INTRODUCTION 1. Exploitation notices 2. Characteristics of the meter 3. What is the meter designed for 4. The outside view 5. Switching the meter on and off 6. Preparation to work 6.1. Choosing the measuring function 6.2. Choosing the kind of temperature compensation pH MEASUREMENT 7. -
Page 7: Introduction
- 1 - INTRODUCTION... - Page 8 - 2 - User‘s manual for CP-411 pH meter v5.30...
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Page 9: Exploitation Notices
- 3 - 1. Exploitation notices Dear User! We present you a device distinguished by accuracy according to the technical data and by a high stability of the displayed results. We believe that the measurements will not cause you any trouble and that the meter will operate without any inconvenience. -
Page 10: Characteristics Of The Meter
- 4 - 2. Characteristics of the meter The CP-411 pH meter belongs to the newest generation of measuring devices which offer wide range of additional functions. The meter ensures high accuracy and repeatability of the readings and is easy in use. Two kinds of power source: battery and power adapter enable work in the field and long- lasting measurements in the laboratory. -
Page 11: What Is The Meter Designed For
- 5 - 3. What is the meter designed for Waterproof pH meter CP-411 is precise and easy-to-use meter designed for hydrogen ion concentration measurements in pH units and redox in mV units. The meter may be also used for accurate temperature measurement in solutions and air in °... -
Page 12: The Outside View
- 6 - 4. The outside view On the front wall of the meter there is an LCD display (Pic. 1) which, depending on the chosen function, shows: - the pH readout in pH units; - the redox potential readout in mV. Choosing functions is described in the chapter 6.1. - Page 13 - 7 - Pic. 1.
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Page 14: Switching The Meter On And Off
- 8 - 5. Switching the meter on and off After switching it on with the button, the meter tests the memory and the display on which all symbols are displayed (pic. 2). Pic. 2. If the test ends successfully, after about 1.5 s the meter switches automatically to the measuring mode, in which it was switched off. -
Page 15: Preparation To Work
- 9 - 6. Preparation to work Before starting work: connect the power adapter plug to the P input, if work with the power adapter is planned; in case of pH measurements join the combination pH electrode to BNC- 50 input F; in case of using a measuring and reference electrode connect them the adapter, available optionally;... -
Page 16: Choosing The Kind Of Temperature Compensation
- 10 - 6.2. Choosing the kind of temperature compensation The meter switches to the automatic temperature compensation mode after connecting the temperature probe. Next to the reading the symbol is displayed (pic. 4). The measurement will be compensated to the value of temperature measured by the probe. -
Page 17: Ph Measurement
- 11 - II. pH MEASUREMENT... - Page 18 - 12 - User‘s manual for CP-411 pH meter v5.30...
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Page 19: Preparation Of The Ph Electrode
- 13 - 7. Preparation of the pH electrode The electrode should be prepared to work according to the manufacturer’s instructions. If the instructions weren’t given please follow the steps: - new electrode should be put into saturated KCl solution for about 5 hours: - before starting measurements, protecting rings (if used in this kind of electrode) should be removed. -
Page 20: Calibration
- 14 - 8. Calibration Before starting measurement with new electrode, after long-lasting use or before making measurements which require high accuracy the electrode connected with the meter should be calibrated. Results of measurements made without calibration will be burdened with a significant error. Calibration is made in buffer solutions. -
Page 21: Calibration With Automatic Temperature Compensation
- 15 - 8.1. Calibration with automatic temperature compensation After preparing the meter to calibration according to the chapter 6, in the pH measurement function: a. press and hold the button till the moment of appearance of the CAL symbol on the display (Pic. 5), the previous parameters of calibration are now deleted;... -
Page 22: Calibration With Manual Temperature Compensation
- 16 - 8.2. Calibration with manual temperature compensation Disconnecting the temperature probe switches the meter to manual compensation (the symbol next to the temperature reading disappears). The value of the temperature introduced by the user will be adopted for compensation. - Page 23 - 17 - - press the button once again, in the lower row the symbol will be displayed and the percentage value of the electrode condition - in the upper row. (Pic. 8); Pic. 8 In the lower left corner of the display the points of the electrode calibration are shown.
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Page 24: Ph Measurement
- 18 - pH measurement Before starting measurement, prepare the meter (chapter 6) and the pH electrode (chapter 7) to work. Good condition of the electrode is the most important condition for accurate measurements. 10.1. Measurement with automatic temperature compensation During measurements with automatic temperature compensation the meter co-operates with the temperature probe and measures the temperature of the solution simultaneously with pH. -
Page 25: Measurements With Manual Temperature Compensation
- 19 - 10.2. Measurements with manual temperature compensation Disconnecting the temperature probe switches the meter to the manual temperature compensation mode (the symbol next to the temperature reading disappears). Measurement with manual temperature compensation is similar to measurement with ATC, the difference is that in manual compensation the meter takes into consideration the value of the temperature introduced by the user instead of the temperature measured with the temperature probe. -
Page 26: Notices About The Temperature Compensation And Interpretation Of The Measurement Results
- 20 - Notices about the temperature compensation and interpretation of the measurement results The CP-411 pH meter has an automatic temperature compensation, which enables eliminating errors resulting from affecting electrode characteristics by temperature changes. To explain the role of the temperature compensation it is important to remind that pH meter is an mV meter which displays redox counted to pH. - Page 27 - 21 - Depending on the kind of measured solution or substance, appropriate kind of electrode should be chosen. They differ one from another with shape, membrane’s look, kind of junction and body. Electrode for heavily polluted sewage is different than this for clean water or for meat or soil. Using unsuitable electrode for measurements may cause its damage and make next measurements impossible.
- Page 28 - 22 - User‘s manual for CP-411 pH meter v5.30...
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Page 29: Redox And Temperature Measurement
- 23 - III. REDOX AND TEMPERATURE MEASUREMENT... - Page 30 - 24 - User‘s manual for CP-411 pH meter v5.30...
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Page 31: Redox Potential Measurement
- 25 - Redox potential measurement CP-411 enables redox potential measurement. The measurement may be made with use of special redox electrode or during titration. The readout is possible after choosing the redox measurement mode (chapter 6.1). Pic. 12 Temperature measurement The temperature measurement is made as follows: - connect the temperature probe to the Chinch connector;... - Page 32 - 26 - User‘s manual for CP-411 pH meter v5.30...
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Page 33: Other
- 27 - IV. OTHER... - Page 34 - 28 - User‘s manual for CP-411 pH meter v5.30...
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Page 35: Readout Of The Software Version Number
- 29 - Readout of the software version number In order to check the software version number turn the meter off and next, holding the button, turn the meter on by pressing the button. Instead of the display test, the screen as in the picture below will appear (Pic. 13). -
Page 36: Power Source And Changing The Battery
- 30 - Power source and changing the battery The meter is powered by 9V battery or 12V stabilised power adapter. The adapter should be joined with the P connector (Pic.1). Connecting the power adapter disconnects the battery and is signalised by the symbol. -
Page 37: Technical Data
- 31 - Technical data pH MEASUREMENT: Accuracy Range Resolution (±1 digit) ±0.01 pH 0.01 pH 0.00 ÷ 14.00 pH INPUT IMPEDANCE: >10 Ω TEMPERATURE COMPENSATION: automatic -5.0 ÷ 110.0 o C RANGE OF COMPENSATION: pH ELECTRODE CALIBRATION: automatic, in 1 ÷ 3 points THERMAL STABILITY OF ZERO : 0.001pH/ REDOX POTENTIAL MEASUREMENT:... -
Page 38: Equipment
- 32 - OTHER: -5 ÷ 45 o C OPERATING TEMPERATURE: POWER: 1. 9V battery type 6F22 2. 12V power adapter POWER CONSUMPTION: 27 mW DISPLAY: LCD 55 x 45 mm DIMENSIONS: 149 x 82 x 22 mm WEIGHT: 220 g Equipment Standard set includes: 1. - Page 39 W A R R A N T Y The “ELMETRON” company gives 24 months of warranty for the CP-411 pH-meter number ......... The electrode has a 12-month warranty. In case of damage the manufacturer will repair the meter within 14 days of the day of delivery.
- Page 44 Sp. j. 41-814 Zabrze, Witosa 10 tel. (+48) 32 2738106 fax (+48) 32 2738114 www.elmetron.com e-mail: info@elmetron.com.pl...
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