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ec214 ec215 ? EC215R multi-range conductivity meters for laboratories instruction manual www.hannainst.com free datasheet http://www.datasheet-pdf.com/
3 2 preliminary examination ec 214 and ec 215 are bench top multi-range conductivity meters for the laboratory. four measurement ranges ensure the highest resolution and precision for your measuring requirements. single point calibration is performed manually simply by adjusting a knob on the front of the meter. temperature compensation of the readings is automatic for the ec 215 models, thanks to the temperature sensor incorporated in probe, with userselectable temperature coefficient. with ec 214 the temperature compensation is manual and the tempe- rature value can be also set with a knob. the rugged probe with platinum 4-ring sensor responds faster than conventional stainless steel models and can be also used for measuring highly acidic or alkaline samples, or at high temperature. in addition, the ec 215r model offers analog output of 0 to 5v that represents the full conductivity scale across all 4 ranges. general description dear customer, thank you for choosing a hanna instruments ? product. please read this instruction manual carefully before using the instru- ment. this manual will provide you with all the necessary information for correct operation. if you need additional technical information, do not hesitate to e-mail us at tech@hannainst.com . these instruments are in compliance with the directives. table of contents remove the instrument from the packing material and examine it carefully to make sure that no damage has occurred during shipping. if there is any damage, notify your dealer. each meter is supplied complete with: ? 4-ring conductivity probe with 1 m (3.3) cable ? hi 76300 for ec 214 ? hi 76303 for ec 215 and ec 215r ? 12 vdc adapter ? instruction manual note: save all packing material until you are sure that the instrument functions correctly. all defective items must be returned in the original packing with the supplied accessories. preliminary examination ....................................................... 3 general description ............................................................... 3 functional description ec 214 ............................................. 4 specifications ec 214 ............................................................. 5 functional description ec 215 ............................................. 6 specifications ec 215 ............................................................. 7 operational guide .................................................................. 8 calibration ............................................................................ 10 conductivity vs. temperature chart ................................... 13 determination of the temperature coefficient of a solution (ec 215) ..................................... 14 probe main tenance ............................................................... 15 accessories ............................................................................ 16 warranty ............................................................................... 18 ce declaration of conformity ............................................. 19 free datasheet http://www.datasheet-pdf.com/
5 4 specifications ec 214 1) liquid crystal display (lcd) 2) conductivity calibration knob 3) 199.9 s key for range selection 4) 19.99 ms key for range selection 5) 199.9 ms key for range selection 6) 1999 s key for range selection 7) cond/c key, to select conductivity reading or temperature setting for manual compensation 8) temperature setting knob for manual compensation 9) on/off switch 10) power adapter socket 11) probe connector functional description ec 214 range 0.0 to 199.9 s/cm / 0 to 1999 s/cm 0.00 to 19.99 ms/cm / 0.0 to 199.9 ms/cm resolution 0.1 s/cm / 1 s/cm 0.01 ms/cm / 0.1 ms/cm accuracy (@20c/68f) 1% fs (excluding probe error) typical emc deviation 1% f.s. calibration manual, single point, through front knob temperature compensation manual, 0 to 50c (32 to 122f) with =2%/c probe hi 76300 , platinum 4-ring sensor, with 1 m (3.3') cable (included) power supply 12 vdc (power adapter included) environment 0 to 50c (32 to 122f); rh max 95% non-condensing dimensions 240 x 182 x 74 mm (9.4 x 7.1 x 2.9") weight 1.0 kg (2.2 lb.) free datasheet http://www.datasheet-pdf.com/
7 6 functional description ec 215 specifications ec 215 1) liquid crystal display (lcd) 2) conductivity calibration knob 3) 199.9 s key for range selection 4) 19.99 ms key for range selection 5) 199.9 ms key for range selection 6) 1999 s key for range selection 7) temperature coefficient setting knob 8) on/off switch 9) power adapter socket 10) probe connector 11) analog output ( ec 215r only) range 0.0 to 199.9 s/cm / 0 to 1999 s/cm 0.00 to 19.99 ms/cm / 0.0 to 199.9 ms/cm resolution 0.1 s/cm / 1 s/cm 0.01 ms/cm / 0.1 ms/cm accuracy (@20c/68f) 1% f.s. (excluding probe error) typical emc deviation 1% f.s. calibration manual, single point, through front knob temperature compensation automatic, 0 to 50c (32 to 122f) with adjustable from 0 to 2.5%/c probe (included) hi 76303, platinum 4-ring sensor, built-in temperature sensor and 1 m (3.3') cable analog output (ec 215r only) 0 to 5 vcc not isolated output; accuracy 0.1% of reading; resolution 2.5 mv power supply 12 vdc (power adapter included) environment 0 to 50c (32 to 122f); rh max 95% non-condensing dimensions 240 x 182 x 74 mm (9.4 x 7.1 x 2.9") weight 1.0 kg (2.2 lb.) free datasheet http://www.datasheet-pdf.com/
9 8 power connection plug the 12 vdc adapter into the power supply socket. note: make sure the main line is protected by a fuse. probe connection connect the conductivity probe to the proper socket on the rear panel. note: make sure that the instrument has been calibrated before taking any measurement (see calibration section). note: if possible, use plastic beakers to minimize emc interferences. taking conductivity measurements with ec214 ? switch the instrument on by pressing on/off. ? immerse the probe in the solution while com- pletely submerging the holes of the sleeve. tap the probe lightly on the bottom of the beaker to remove any air bubbles trapped inside the sleeve. measure the solution temperature with a checktemp or another accurate thermom- eter. ? press the cond/c key to select temperature setting. ? adjust the temperature knob to display the temperature of the solution on the lcd. ? press the cond/c key to select conductivity reading. ? select the appropriate conductivity range. operational guide note: if the display shows "1", there is an over-range condition. select the next higher range. ? allow a few minutes for the reading to stabilize. the lcd will display the temperature compensated conductivity reading. taking conductivity measurements with ec215 ? switch the instrument on by pressing on/off. ? immerse the probe in the solution while com- pletely submerging the holes of the sleeve. tap the probe lightly on the bottom of the beaker to remove any air bubbles trapped inside the sleeve. ? adjust the "temperature coefficient" knob to the temperature coefficient value of the solution (see determination of the tem- perature coefficient of a solution section for details). ? select the appropriate conductivity range. note: if the display shows "1", there is an over-range condition. select the next higher range. ? allow a few minutes for the reading to stabilize. the lcd will display the temperature compensated conductivity reading. free datasheet http://www.datasheet-pdf.com/
11 10 ? press cond/c to select conductivity read- ing and select the appropriate range: "199.9 s" for hi 7033 "1999s" for hi 7031 "19.99 ms" for hi 7030 "199.9 ms" for hi 7034 note: if the display shows "1", there is an over-range condition. select the next higher range. ? allow a few minutes for the reading to stabilize, then adjust the calibration knob to read the calibration solution conductivity value at 25c (77f), e.g. 12.88 ms/cm. ? all subsequent measurements will be referenced to 25c (77f). ? to reference the measurements to 20c (68f), adjust the calibration knob to read the calibration solution conductivity value at 20c (68f), e.g. 11.67 ms/cm. see the conductivity vs. temperature chart on page 13. ? calibration is now complete and the instrument is ready for use. procedure for ec215 ? pour a small quantity of the appropriate calibration solution, e.g. hi 7030 (12.88 ms/cm @ 25c), into a plastic beaker. ? immerse the probe in the solution while completely submerging the holes of the sleeve. tap the probe lightly on the bottom of the beaker to remove any air bubbles trapped inside the sleeve. ? adjust the "temperature coefficient" knob to 2%/c. the instrument should be calibrated at least once a month, or when the probe is changed. initial preparation for better accuracy of measurements it is recommended to use the calibration solution with a conductivity value as close as possible to the sample to be measured. see the accessories section for a complete list of available hanna calibration solution. rinse the probe thoroughly in distilled water. if possible, use plastic beakers to minimize any emc interferences. procedure for ec214 ? pour a small quantity of the appropriate calibration solution, e.g. hi 7030 (12.88 ms/cm @ 25c), into a plastic beaker. ? immerse the probe in the solution while completely submerging the holes of the sleeve. tap the probe lightly on the bot- tom of the beaker to remove any air bubbles trapped inside the sleeve. mea- sure the solution temperature with a checktemp or another accurate thermom- eter. ? press the cond/c key to select tem- perature setting. ? adjust the temperature knob to display the temperature of the solution on the lcd. hi 7030 calibration hi 7030 free datasheet http://www.datasheet-pdf.com/
13 12 ? select the appropriate range: "199.9 s" for hi 7033 "1999s" for hi 7031 "19.99 ms" for hi 7030 "199.9 ms" for hi 7034 note: if the display shows "1", there is an over-range condition. select the next higher range. ? allow a few minutes for the reading to stabilize, then adjust the calibration knob to read the calibration solution conductivity value at 25c (77f), e.g. 12.88 ms/cm. ? all subsequent measurements will be referenced to 25c (77f). ? to reference the measurements to 20c (68f), adjust the calibration knob to read the calibration solution conductivity value at 20c (68f), e.g. 11.67 ms/cm. see the conductivity vs. temperature chart on page 13. ? calibration is now complete and the instrument is ready for use. conductivity versus temperature chart the conductivity of an aqueous solution is the measure of its ability to carry an electrical current by means of ionic motion. the conductivity invariably increases with increasing temperature. it is affected by the type and number of ions in the solution and by the viscosity of the solution itself. both parameters are temperature dependent. the dependency of conductivity on temperature is ex- pressed as a relative change per degree celsius at a particular temperature, commonly as %/c. since a small difference in temperature causes a large change in conductivity, the readings are usually normalized at 25c. c f hi 7030 hi 7031 hi 7033 hi 7034 hi 7035 hi 7039 (s/cm) (s/cm) (s/cm) (s/cm) (s/cm) (s/cm) 0 32 7150 776 64 48300 65400 2760 5 41 8220 896 65 53500 74100 3180 10 50 9330 1020 67 59600 83200 3615 15 59 10480 1147 68 65400 92500 4063 16 60.8 10720 1173 70 67200 94400 4155 17 62.6 10950 1199 71 68500 96300 4245 18 64.4 11190 1225 73 69800 98200 4337 19 66.2 11430 125 1 74 71300 100200 4429 20 68 11670 1278 7 6 72400 102100 4523 21 69.8 11910 130 5 78 74000 104000 4617 22 71.6 12150 133 2 79 75200 105900 4711 23 73.4 12390 135 9 81 76500 107900 4805 24 75.2 12640 138 6 82 78300 109800 4902 25 77 12880 1413 8 4 80000 111800 5000 26 78.8 13130 144 0 86 81300 113800 5096 27 80.6 13370 146 7 87 83000 115700 5190 28 82.4 13620 149 4 89 84900 117700 5286 29 84.2 13870 152 1 90 86300 119700 5383 30 86 14120 1548 9 2 88200 121800 5479 31 87.8 14370 157 5 94 90000 123900 5575 ec 214 manually compensates for temperature differences with a fixed coefficient of 2%/c. ec 215 automatically compensates for temperature differences, and features an user-selectable coefficient that can be manually adjusted through a front knob, from 0 (no compensation) to 2.5%/c. free datasheet http://www.datasheet-pdf.com/
15 14 probe maintenance after every series of measurements, rinse the probe with tap water. if a more thorough cleaning is re- quired, remove the sleeve and clean the probe with a cloth or a non- abrasive detergent. after cleaning the probe, always re-calibrate the instrument. the 4-ring platinum probe body is made of glass. for this reason great care while handling the probe must be taken. ? immerse the probe into a solution sample and adjust the temperature coefficient knob to 0% (no compensation). ? condition sample and probe at 25c, and note the conductivity reading c 25 . ? condition sample and probe to a temperature tc (approximately 5c to 10c different from 25c), and note the conductivity reading c t . ? the temperature coefficient ( )of the solution is then calculated using the following formula: = 100 x (c t - c 25 ) / [(t - 25) x c 25 ] the above procedure is suitable for determining the temperature coefficient in the laboratory where the temperature of the solution can be determined and controlled. if this is not possible, e.g. during on-site measurements, the following procedure should be used: ? immerse the probe into the test solution and turn the tempera- ture coefficient knob to 0% (no compensation). ? allow the conductivity reading to stabilize (the reading should not change by more than 0.2 ms within 1 minute) and record the value, c. ? repeat the procedure with a different solution temperature, changed by more than 10c. wait for the reading to stabilize. ? adjust the temperature coefficient knob until the display reads the previously recorded c value. ? the value indicated by the knob is the temperature coefficient of the solution. determination of the temperature coefficient of a solution (ec 215) free datasheet http://www.datasheet-pdf.com/
17 16 other accessories hi 98501 checktempc electronic thermometer (range - 50.0 to 150.0c) hi 710005 115 vac / 12 vdc voltage adapter, us plug hi 710006 230 vac / 12 vdc voltage adapter, european plug hi 740036 100 ml plastic beaker (6 pcs) hi 740034 cap for 100 ml beakers (6 pcs) hi 76404 probe holder conductivity probes hi 76300 platinum 4-ring conductivity probe with 1 m (3.3') cable (for ec214 ) hi 76303 platinum 4-ring conductivity probe with built- in temperature sensor and 1 m (3.3') cable (for ec215 ) conductivity calibration solutions hi 7030m 12880 s/cm, 230 ml bottle hi 7030l 12880 s/cm, 500 ml bottle hi 8030l 12880 s/cm, 500 ml fda bottle hi 7031m 1413 s/cm, 230 ml bottle hi 7031l 1413 s/cm, 500 ml bottle hi 8031l 1413 s/cm, 500 ml fda bottle hi 7033m 84 s/cm, 230 ml bottle hi 7033l 84 s/cm, 500 ml bottle hi 8033l 84 s/cm, 500 ml fda bottle hi 7034m 80000 s/cm, 230 ml bottle hi 7034l 80000 s/cm, 500 ml bottle hi 8034l 80000 s/cm, 500 ml fda bottle hi 7035m 111800 s/cm, 230 ml bottle hi 7035l 111800 s/cm, 500 ml bottle hi 8035l 111800 s/cm, 500 ml fda bottle hi 7039m 5000 s/cm, 230 ml bottle hi 7039l 5000 s/cm, 500 ml bottle hi 8039l 5000 s/cm, 500 ml fda bottle probe maintenance solutions hi 7061m general cleaning solution, 230 ml bottle hi 8061m general cleaning solution, 230 ml fda bottle hi 7061l general cleaning solution, 500 ml bottle hi 8061l general cleaning solution, 500 ml fda bottle accessories free datasheet http://www.datasheet-pdf.com/
19 18 ce declaration of conformity recommendations for users before using these products, make sure that they are entirely suitable for the environment in which they are used. operation of these instruments in residential area could cause unacceptable interferences to radio and tv equipments, requiring the operator to take all necessary steps to correct interferences. the metal band at the end of the sensor is sensitive to electrostatic discharges. avoid touching this metal band at all times. during calibration of instruments, esd wrist straps should be worn to avoid possible damage to the sensor by electrostatic discharge. use plastic beakers to minimize any emc interferences. any variation introduced by the user to the supplied equipment may degrade the instruments' emc performance. to avoid electrical shock, do not use these instruments when voltages at the measurement surface exceed 24 vac or 60 vdc. to avoid damages or burns, do not perform any measurement in microwave ovens. warranty all hanna instruments meters are guaranteed for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. electrodes and the probes are guaranteed for six months. this warranty is limited to repair or replacement free of charge. damages due to accident, misuse, tampering or lack of prescribed maintenance are not covered. if service is required, contact the dealer from whom you purchased the instrument. if under warranty, report the model number, date of purchase, serial number and the nature of the failure. if the repair is not covered by the warranty, you will be notified of the charges incurred. if the instrument is to be returned to hanna instruments, first obtain a returned goods authorization number from the customer service department and then send it with shipping costs prepaid. when shipping any instrument, make sure it is properly packaged for complete protection. all rights are reserved. reproduction in whole or in part is prohibited without the written consent of the copyright owner. hanna instruments reserves the right to modify the design, construction and appearance of its products without advance notice. free datasheet http://www.datasheet-pdf.com/
manEC215R3 10/05 sales and technical service contacts australia: tel. (03) 9769.0666 ? fax (03) 9769.0699 china: tel. (10) 88570068 ? fax (10) 88570060 egypt: tel. & fax (02) 2758.683 germany: tel. (07851) 9129-0 ? fax (07851) 9129-99 greece: tel. (210) 823.5192 ? fax (210) 884.0210 indonesia: tel. (21) 4584.2941 ? fax (21) 4584.2942 japan: tel. (03) 3258.9565 ? fax (03) 3258.9567 korea: tel. (02) 2278.5147 ? fax (02) 2264.1729 malaysia: tel. (603) 5638.9940 ? fax (603) 5638.9829 singapore: tel. 6296.7118 ? fax 6291.6906 south africa: tel. (011) 615.6076 ? fax (011) 615.8582 taiwan: tel. 886.2.2739.3014 ? fax 886.2.2739.2983 thailand: tel. 66.2619.0708 ? fax 66.2619.0061 united kingdom: tel. (01525) 850.855 ? fax (01525) 853.668 usa: tel. (401) 765.7500 ? fax (401) 765.7575 for e-mail contacts and complete list of sales and technical offices, please see www.hannainst.com free datasheet http://www.datasheet-pdf.com/

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