Oakton CON 6 Instruction Manual

Manual is about: Hand-held Conductivity/TDS Meter

Summary of CON 6

  • Page 1

    Technology made easy ... Instruction manual con 6/tds 6 hand-held conductivity/tds meter 68x243618 ver. 0 11/02.

  • Page 2: Preface

    Preface this manual serves to explain the use of the conductivity and tds handheld meters. The models covered are the con 6 and tds 6. This manual functions in two ways: first as a step by step guide to help you operate the meter; second, it serves as a handy reference guide. This manual is written ...

  • Page 3: Table of Contents

    Table of contents 1 introduction 1 2 display & keypad functions 3 2.1 display 3 2.2 keypad 4 3 preparation 5 3.1 inserting & removing rubber boot 5 3.2 inserting the batteries 5 3.3 battery replacement 6 3.4 conductivity electrode information 7 3.5 connecting the probe to meter 9 3.6 switching the m...

  • Page 4

    13 addendum 1: calibration tips 45 14 addendum 2: calculating tds conversion factor 46 15 addendum 3: calculating temperature coefficients 47 16 warranty 49 17 return of items 50

  • Page 5: 1 Introduction

    Instruction manual con 6/tds 6 1 1 introduction thank you for purchasing con 6/tds 6 conductivity/tds meter. These economy microprocessor-based handheld meters deliver up to ±0.5% full-scale accuracy. It has a large custom lcd (liquid crystal display) for clear and easy reading. Con 6 measures condu...

  • Page 6

    Instruction manual con 6/tds 6 2 ms on off hold enter cal mode con 6 conductivity/ meter c °.

  • Page 7: Display & Keypad Functions

    Instruction manual con 6/tds 6 3 2 display & keypad functions 2.1 display the meter has a large custom lcd that consists of 4-digit segments and operation annunciators for us/ms (or ppm/ppt for tds 6 meter) and °c (temperature). Other annunciators include “ho” (when the hold function is activated) a...

  • Page 8: 2.2 Keypad

    Instruction manual con 6/tds 6 4 2.2 keypad the con 6 / tds 6 meter has 6 keys on its splash-proof keypad; on/off, hold/enter, cal, mode, ▲ and ▼ keys. Some buttons have several functions depending on its mode of operation. On off • powers on and shuts off the meter. Takes you directly into measurem...

  • Page 9: 3 Preparation

    Instruction manual con 6/tds 6 5 3 preparation 3.1 inserting & removing rubber boot (rubber boot sold separately) 1) to remove meter from rubber boot, push out from the bottom edges of meter until it is completely out of boot. Ensure that the cables of conductivity electrode or temperature probe are...

  • Page 10: 3.3 Battery

    Instruction manual con 6/tds 6 6 3.3 battery replacement a “lo” annunciator in the lcd alerts you when battery power is running low. See figure below. Replace with the same type as recommended by the manufacturer. Lo s µ "lo" battery condition caution: power off the meter when changing battery..

  • Page 11: 3.4

    Instruction manual con 6/tds 6 7 3.4 conductivity electrode information the con 6/tds 6 hand-held meter is supplied with a conductivity/tds electrode with a bnc connector. This conductivity/tds electrode (order part number: ec- consen91b/ 35606-55) comes with stainless steel rings, cell constant of ...

  • Page 12

    Instruction manual con 6/tds 6 8 note: 1) do not remove the protective probe guard during measurement and calibration as it may affect your readings. 2) we recommend that you do not submerge the probe above the protective guard. You can submerge the cable for brief periods of time, but not continuou...

  • Page 13: 3.5

    Instruction manual con 6/tds 6 9 3.5 connecting the probe to meter 1) to connect electrode into meter, align the connector slots with the posts of meter’s socket and rotate connector clockwise until it locks. 2) to remove, simply rotate the connector in anti-clockwise direction until it unlocks, and...

  • Page 14: 3.6

    Instruction manual con 6/tds 6 10 measurement mode c ° % on off ppm pptmv ph % min max lo ho f c ° ° m s µ pptm 3.6 switching the meter on when switching the meter on, it will go through a series of display, showing the various setup parameters. For con 6 measurement mode m s µ c ° % pptmv ph % min ...

  • Page 15

    Instruction manual con 6/tds 6 11 press on/off key to power up your meter. 1) the first screen shows [con 6] (or [tds 6]) which is the meter’s name. 2) second screen shows [c 1.0] which is the conductivity cell constant, k. You can select different cell constant of 0.1, 1.0 or 10.0. Refer to section...

  • Page 16: 3.7

    Instruction manual con 6/tds 6 12 3.7 change conductivity/ tds Ùtemperature measurement mode to switch between conductivity/ tds measurement mode and temperature measurement mode, simply press the mode key. The customized annunciator helps indicate the measurement parameter you are in. Annunciator m...

  • Page 17: 4 Calibration

    Instruction manual con 6/tds 6 13 4 calibration 4.1 important information on meter calibration your meter has five measuring ranges. You can calibrate one point in each of the measuring ranges (up to five points). If you are measuring values in more than one range, make sure to calibrate each of the...

  • Page 18: 4.2

    Instruction manual con 6/tds 6 14 4.2 preparing the meter for calibration before starting calibration, make sure you are in the correct measurement mode. For best results, select a standard value close to the sample value you are measuring. Alternatively use a calibration solution value that is appr...

  • Page 19: 4.3

    Instruction manual con 6/tds 6 15 note: the factory default value for normalization temperature is 25 °c. If you need to normalize to a value other than 25 °c, see section 6.6 – normalization temperature. 4.3 selection of automatic or manual calibration this meter is capable of performing either aut...

  • Page 20: 4.4 Automatic

    Instruction manual con 6/tds 6 16 4.4 automatic calibration (conductivity) in the automatic calibration mode, the meter is capable of accepting either single-point or up to 4 points for multi-point calibration with maximum of 1 point per specific measurement range. For the known calibration standard...

  • Page 21

    Instruction manual con 6/tds 6 17 important notes: 1. Meter allows a tolerance range of ±40% of its calibration standard. An error message “err 1” will be displayed for 3 seconds if you attempt to calibrate with a solution whose value is outside the tolerance range. For instance: for 1413 µs conduct...

  • Page 22: 4.5

    Instruction manual con 6/tds 6 18 4.5 manual calibration (conductivity or tds) in manual calibration mode, you can use customized conductivity calibration standards (specific to your own application) and calibrate the meter. The following example shows calibration sequence to 12.00 ms conductivity c...

  • Page 23: 4.6 Temperature

    Instruction manual con 6/tds 6 19 4.6 temperature calibration the conductivity electrode (refer to accessories section for order number) has a built-in temperature sensor for atc. The temperature sensor is factory calibrated to the meter. Calibrate your sensor only if you suspect temperature errors ...

  • Page 24: 5 Measurement

    Instruction manual con 6/tds 6 20 5 measurement the con 6/tds 6 meter is capable of taking measurements with automatic or manual temperature compensation. 5.1 with automatic temperature compensation (atc) for atc, make sure the phono jack of the probe (see figure in section 3.5) is securely inserted...

  • Page 25: 5.2

    Instruction manual con 6/tds 6 21 5.2 without atc (manual temperature compensation) for manual temperature compensation, simply unplug the probe’s phono jack (not bnc) from the meter. To use manual temperature compensation, you need to enter the temperature value of your process into the meter. This...

  • Page 26: 5.3 Taking

    Instruction manual con 6/tds 6 22 5.3 taking measurements to take readings: 1) rinse the probe with de-ionized or distilled water before use to remove any impurities adhering to the probe body. Shake or air dry. To avoid contamination or dilution of your sample, rinse probe with a small volume of yo...

  • Page 27

    Instruction manual con 6/tds 6 23 s µ ms ms auto-ranging manual ranging: 0 - 20.00 us/cm manual ranging: 0 - 200.0 us/cm manual ranging: 0 - 2000 us/cm manual ranging: 0 - 20.00 ms/cm manual ranging: 0 - 200.0 ms/cm s µ s µ s µ note: if the value of the solution you are measuring is higher than the ...

  • Page 28: 5.5 Hold

    Instruction manual con 6/tds 6 24 5.5 hold function this feature lets you freeze the display for a delayed observation. Hold can be used any time in measurement mode. 1) to hold a measurement, press the hold key while in measurement mode. [ho] will appear on the display. 2) to release the held value...

  • Page 29: Advanced Setup Functions

    Instruction manual con 6/tds 6 25 6 advanced setup functions 6.1 advanced setup overview the advanced setup mode lets you customize your meter’s preferences and defaults. To enter advanced setup mode: 1) make sure that the meter is switched-off. 2) press on and mode key simultaneously, holding both ...

  • Page 30

    Instruction manual con 6/tds 6 26 c ° select normalization temperature. Choice of either 20 °c or 25 °c. Default value is 25 °c. Adjust tds factor from 0.4 to 1.0. Default value is 0.5. (available in tds 6 meter only) select single point calibration. Choice of “yes” or “no”. Default value is “yes”. ...

  • Page 31

    Instruction manual con 6/tds 6 27 % c ° meter off press on/off and mode keys simultaneously for 2 seconds, release on/off key first then release mode key a second later. A "stup" indicator will appear for 1.5 seconds before showing the first menu on off mode overview of con 6 setup menu.

  • Page 32

    Instruction manual con 6/tds 6 28 % c ° meter off press on/off and mode keys simultaneously for 2 seconds, release on/off key first then release mode key a second later. A "stup" indicator will appear for 1.5 seconds before showing the first menu on off mode overview of tds 6 setup menu.

  • Page 33: 6.2

    Instruction manual con 6/tds 6 29 6.2 select cell constant this meter lets you select a cell constant of k = 1.0, 10, or 0.1. Use a cell of k = 1.0 for midrange measurements use a cell of k = 10 for high range measurements (above 20 ms or 10 ppt). Use a cell of k = 0.1 for low range measurements (be...

  • Page 34: 6.3

    Instruction manual con 6/tds 6 30 6.3 automatic calibration (for con 6) the automatic calibration allows you to quickly calibrate the meter to any of the four widely used conductivity calibration standards. For a list of calibration standards refer to table 1 in section 4.3. In the manual calibratio...

  • Page 35: 6.5 Temperature

    Instruction manual con 6/tds 6 31 2) press ▲ or ▼ key until [tds] appears on the lcd. Press enter key. 3) press ▲ or ▼ key to select a value between 0.4 to 1.0. 4) press enter key to select. The meter will take you back to the menu, [tds]. 5) press ▲ or ▼ key to move to the next menu or press cal to...

  • Page 36: 6.6 Normalization

    Instruction manual con 6/tds 6 32 6.6 normalization temperature you can set the meter to normalize its conductivity measurements to a standard temperature of either 25 °c or 20 °c. The default value is 25 °c. 1) enter the advanced setup as described in section 6.1. 2) press ▲ or ▼ key until [t.Nr °c...

  • Page 37: 6.8

    Instruction manual con 6/tds 6 33 6.8 restore factory default values this function allows you to reset all parameters to factory default settings. This clears all calibration data and any other setup functions you might have changed. Important: once activated the meter’s settings and calibration dat...

  • Page 38: Probe Care And Maintenance

    Instruction manual con 6/tds 6 34 7 probe care and maintenance keep the conductivity probe clean. Rinse the probe twice, and gently swirl it while you take readings. For best accuracy, soak a dry probe for at least 5 to 10 minutes or longer before calibration. Rinse the probe with deionized or tap w...

  • Page 39: 8 Trouble-Shooting

    Instruction manual con 6/tds 6 35 8 trouble-shooting guide problem cause solution power on but no display a) batteries not in place b) batteries not in correct polarity (+ and – position). C) weak batteries a) check that batteries are in place and making good contact. B) re-insert batteries with cor...

  • Page 40: 9 Error

    Instruction manual con 6/tds 6 36 9 error messages lcd display indicates cause solution “lo” indicator appears. Low battery level. Need new batteries or battery connection is bad. Clean battery contacts. Replace batteries with fresh ones, noting polarity. Err 1 conductivity calibration error calibra...

  • Page 41: 10 Specifications

    Instruction manual con 6/tds 6 37 10 specifications specifications descriptions con 6 tds 6 conductivity range 0 to 20.00, 200.0, 2000 µs/cm; 0 to 20.00, 200.0 ms/cm • resolution 0.01, 0.1, 1 µs/cm: 0.01, 0.1 ,s/cm accuracy ±1% f.S. Tds range 0 to 10.00, 10.0 to 100.0, 100 to 1000 ppm; 1.00 to 10.00...

  • Page 42

    Instruction manual con 6/tds 6 38 auto- & manual- ranging • • hold function • • auto power off 20 minutes after last key operation • • inputs bnc for conductivity and phono jack for temperature • • display single custom lcd • • power requirements 4 ‘aaa’ batteries • • battery life > 100 hours • • di...

  • Page 43: 11 Accessories

    Instruction manual con 6/tds 6 39 11 accessories replacement meter and meter accessories item eutech instruments ordering code no. Oakton instruments ordering code no. Con 6 portable conductivity meter complete with conductivity probe of k=1.0 (ec-consen91b/ 35606-55). Ec-con603k 35606-10 con 6 port...

  • Page 44

    Instruction manual con 6/tds 6 40 calibration solutions 1,413 µs kcl calibration solution in 480-ml leak-proof bottle (1 pint) ec-con-1413bt 00653-18 12.88 ms kcl calibration solution in 480-ml leak-proof bottle (1 pint) ec-con-1288bt 00606-10 2,764 µs kcl calibration solution in 480-ml leak-proof b...

  • Page 45: 12   Conductivity Theory

    Instruction manual con 6/tds 6 41 12 conductivity theory conductance is a quantity associated with the ability of primarily aqueous solutions to carry an electrical current, i, between two metallic electrodes when a voltage e is connected to them. Though water itself is a rather poor conductor of el...

  • Page 46

    Instruction manual con 6/tds 6 42 areas and separation distances, it is possible to standardize or specify conductance measurements. Thus derives the term specific conductance or conductivity. The relationship between conductance and specific conductivity is: specific conductivity, s.C. = (conductan...

  • Page 47

    Instruction manual con 6/tds 6 43 some users prefer the use of resistivity units to describe their water, particularly where high purity water is involved. The unit most often used to describe resistivity is megohm-cm, which are simply the reciprocal of conductivity (µs/cm). The chart below shows th...

  • Page 48

    Instruction manual con 6/tds 6 44 conductivity and temperature conductivity in aqueous solutions reflects the concentration, mobility, and charge of the ions in solution. The conductivity of a solution will increase with increasing temperature, as many phenomena influencing conductivity such as solu...

  • Page 49

    Instruction manual con 6/tds 6 45 13 addendum 1: calibration tips you only need one calibration for measurement throughout the entire range of the meter. If a range was not calibrated, the meter automatically detects the closest range calibrated and uses that calibration information. However, only t...

  • Page 50: Factor

    Instruction manual con 6/tds 6 46 14 addendum 2: calculating tds conversion factor you can calibrate your meter using tds calibration standard solutions. The calibration standard only needs to give the tds value at a standard temperature such as 25 °c. To determine the conductivity-to-tds conversion...

  • Page 51: Coefficients

    Instruction manual con 6/tds 6 47 15 addendum 3: calculating temperature coefficients to determine the temperature coefficient of your sample solution use this formula: where: tc = temperature coefficient 25 = 25 °c c t1 = conductivity at temp 1 c t2 = conductivity at temp 2 t 1 = temp 1 t 2 = temp ...

  • Page 52

    Instruction manual con 6/tds 6 48 4. Calculate the temperature coefficient of your solution according to the formula shown above. 5. Enter the temperature coefficient you calculated into the meter. Refer to section 6.5 – temperature coefficient. The calculated temperature coefficient will not be app...

  • Page 53: 16 Warranty

    Instruction manual con 6/tds 6 49 16 warranty this meter is supplied with a warranty against significant deviations in material and workmanship for a period of three years from date of purchase whereas probe with a six-month warranty. If repair or adjustment is necessary and has not been the result ...

  • Page 54: 17 Return

    Instruction manual con 6/tds 6 50 17 return of items authorization must be obtained from our customer service department or authorized distributor before returning items for any reason. A “return goods authorization” (rga) form is available through our authorized distributor. Please include data reg...

  • Page 55

    Notes.

  • Page 56

    For more information on eutech instruments/ oakton instruments’ products, contact your nearest distributor or visit our website listed below: oakton instruments p.O box 5136, vernon hills, il60061, usa fax: (1) 847-247-2984 www.4oakton.Com www.Oaktoninstruments.Com eutech instruments pte ltd. Blk 55...