CDH-SD1 - OMEGA Engineering
Contents
1. 10 To start automatic datalogging press the REC ENTER 11 button once The top line of the display will then show the term REC Pressing the LOGGER SET button at this point will make REC flash and add the flashing term LOGGER at the top right of the display This indicates that the instrument is currently storing measured values and their time stamps in memory To pause automatic datalogging press the LOGGER SET button once this action makes the flashing term LOGGER 12 disappear from the top right of the display and changes the term REC from flashing to constant Pressing the LOGGER SET button again resumes automatic datalogging 12 To end automatic datalogging press the REC ENTER button and hold it for at least two seconds This action causes the REC message to disappear 13 To log data manually set the sampling time to zero using Step 5 of the setup procedure Then press the REC ENTER button once The display will show the term REC on the top line a value in the middle and below it the letter P on the left and a number from 1 to 99 on the same line to the right The number indicates the position on the SD card that will be used to store manually logged data Now press the LOGGER SET button This will cause the beeper to sound and the term LOGGER to briefly appear at the upper right of the display As in automatic datalogging mode in this mode the instrument is storing measurements and t2. of YEAR C WARRANTY Shop online at omega Com e mail info omega com For latest product manuals omegamanual info geed fEOMEGA CDH SD1 f CDH SD1 Conductivity Meter With Data Logging SD Card OE OMEGA OMEGAnet Online Service Internet e mail omega com info omega com U S A ISO 9001 Certified Canada Servicing North America Omega Engineering Inc One Omega Drive P O Box 4047 Stamford CT 06907 0047 Toll Free 1 800 826 6342 Tel 203 359 1660 FAX 203 359 7700 e mail info omega com 976 Bergar Laval Quebec H7L 5A1 Canada Toll Free 1 800 826 6342 TEL 514 856 6928 FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance U S A and Canada Mexico Latin America Benelux Czech Republic France Germany Austria United Kingdom ISO 9001 Certified Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN En Espa ol 001 203 359 7803 FAX 001 203 359 7807 info omega com mx e mail espanol omega com Servicing Europe Managed by the United Kingdom Office Toll Free 0800 099 3344 TEL 31 20 347 21 21 FAX 31 20 643 46 43 e mail sales omegaeng nl Frystatska 184 733 01 Karvin Czech Republic Toll Free 0800 1 66342 TEL 420 59 6311899 FAX 420 59 6311114 e mail info omegashop cz Manage
3. Then power on the meter on by pressing the POWER button The CDH SD1 has three operating modes It can measure three properties of a solution its conductivity its total dissolved solids TDS content and its salt content by weight 2 To select the parameter to be measured press the A button until the desired mode appears as the term Cd tdS or SALt Following are the default states for the CDH SD1 e Conductivity measurement in units of microSiemens uS or milliSiemens mS Temperature measurement in C Temperature compensation of 296 per C Autoranging on and auto power off Sampling time of 2 seconds 3 To measure the conductivity of a solution press the A button until the term Cd appears Hold the conductivity probe and immerse its head in the solution to be measured Shake the probe to help any air bubbles inside it escape through the head The display will simultaneously show the solution s conductivity in units of uS or mS in the center and the solution s temperature in C at the lower left As mentioned earlier in the CDH SD1 autoranging is enabled by default 10 4 To manually choose a full scale measurement range press the A button until the desired value 200 uS 2 mS 20 mS or 200 mS Note that pressing the A button also can re enable autoranging To change the default temperature unit or temperature compensation perform Step 9 or 10 of the setup procedure If the display does not show a zer
4. memory card plugged into the instrument Press the LOGGER SET button callout 1 8 and hold it for at least five seconds until Sd F appears in the lower half of the display Quickly within three seconds press the REC ENTER button If you press buttons too slowly in setup mode the screen will revert to the normal display To return to the setup sequence press and hold the LOGGER SET button again To move ahead to the next field in the sequence or to the next parameter press the HOLD ESC button Pressing the REC ENTER button causes the word no or YES to appear over the term Sd F Press the V button to make a selection Choose yES whenever a new SD card is being used or when a used card is being repurposed from use with another SD card instrument or a camera for example and all data on it is to be erased Choose no to preserve any data on a card previously used with this instrument If you choose yES after you press the REC ENTER button the instrument will prompt you to confirm that decision by displaying the term Ent below yES and sounding three beeps To confirm that you want to begin the erasure formatting procedure press the REC ENTER Ent will then flash several times and the instrument will sound another three beeps to confirm that the SD card has been erased and formatted 4 Setthe date and time Once the SD card has been formatted or not the meter will automatically move t
5. 2d Dears C 3 2 QW 13 14 38 732 us 24 Deam C 2 A Que 13 14 40 Tid uS 2d Deam C E 4 NR 1X 1 e42 732 us 24 Degree C 4 210987 X 6 44 Tad us 2d Dears C H 8 QNA X124 HR us 24 Dags C b T iQ 31648 Tad us 24 Dags C 3 8 210982 13 12 50 Tad us 24 Das C t 9 ZW 13 12 82 T us 245 Dees C 1 10 IORI LC 113 us 24 Das C ml UU 20081 13 14 56 112 us 24 Dejes C B im 1314558 742 us 24 Dags C 2 Typical Excel data only screen 14 73 6 EM 734 735 732 73 q 12 729 box ee unos OR wooded s 3 Typical Excel graphics only screen B E E 3 H on Date Chl Value Chl Unit CH Value Ch unit 1 oan 13 16 36 721 vm 247 Degree C 2 au 15 16 38 Ion as G4 Degree 2 2009 8 12 13 16 40 22 ae 2437 Degree C 4 2009 8 12 13 1642 732 oe 742 Dege C 3 WUUWESIZ 15 16 44 Bae el 74 Degree ic 6 2009 8 12 13 16 46 PH as 24 7 Degree C 7 2009 98 12 13 16 48 zb ow 247 Degree C 8 2009 8 12 13 16 50 724 us aal Degree C mmm 13 16 57 R ag 747 Degee C 10 2009 82 131654 T3 947 Degee C Bo oa 13 16 56 2 us 247 Degree C mp mmm ies i 4 Typical Excel mixed data graphics screen 15 SPECIFICATIONS Embedded microcontroller Display type Display size Probe type Parameters units measured Measurement accuracy Measurement resolution Temperature compensation Custom one chip LSI device Liquid crystal with gree
6. 7 mADC with backlight on and card saving data 49 mADC with backlight on and card saving data 6 97 x 2 68 x 1 77 inches 177 x 68 x 45 mm 1 08 Ib 489 g 0 86 in diameter x 4 72 in L 22 mm x 120 mm 17 MAINTENANCE amp TROUBLESHOOTING TIPS Keep the conductivity TDS salt probe clean and in the carrying case when not in use When the icon TX appears in the left corner of the display it s time to replace the six AA batteries that power the instrument although measurements will remain valid for several hours after the low battery indicator first appears Replacing the batteries requires removing the two screws that hold the battery compartment cover in place as explained earlier After inserting fresh batteries in the correct orientation tighten the screws to secure the cover If the meter freezes like a computer and buttons become unresponsive try resetting the instrument by pushing the RESET button on its right side callout 1 15 of Fig 1 with the end of a paper clip Remove the batteries when storing the meter for an extended period of time Do not drop or disassemble the instrument OPTIONAL ACCESSORIES e Standard conductivity solutions 1 413 mS 12 88 mS 80 uS e 9 VDC adapter for a 110VAC power supply 18 NOTES 19 NOTES 20 WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of p
7. B capacity e Big 2 5 inch diagonal front panel green backlit LCD is easy to read e Auto power off function e Powered by six AA batteries or optional 9V AC DC adapter OPERATING INSTRUCTIONS What s in the case The CDH SD1 comes fully assembled in a hard carrying case along with a conductivity TDS salt probe a 2 GB SD memory card and this user s manual Accessories for the meter available from Omega are standard conductivity solutions 1 413 mS 12 88 mS 80 uS needed to calibrate the probe and a 9VDC adapter for a 110V power supply See the Optional Accessories section of this manual for more details Figure 1 shows all of the controls and indicators on the front back top bottom and right side of the CDH SD1 Familiarize yourself with the positions and functions of these controls indicators and connectors before moving on to the setup procedure 1 11 1 12 1 10 1 9 1 16 1 15 1 14 1 3 1 4 1 6 1 8 rH ig U LULA RIGHT SID 5 BOTTOM 1 The CDH SD1 s controls and indicators and other physical features CALLOUTS FOR FIGURE 1 1 1 Liquid crystal display 1 2 POWER button 1 3 HOLD ESC button 1 4 REC ENTER button 1 5 A button 1 6 Wbutton 1 7 TIME button 1 8 LOGGER SET button 1 9 Kickstand 1 10 Battery compartment cover 1 11 Battery compartment cover screws 1 12 Tripod attachment nut 1 13 Conductivity TDS salt probe socket 1 14 Socket
8. E button Doing so causes both values to appear briefly at the lower left of the display 11 Holding and storing measurements Se To hold a measured value of pressure press the HOLD ESC button during the measurement Doing so will cause the word HOLD to appear at the top of the display Pressing the HOLD ESC button again releases the hold To record and recall readings press the REC ENTER button while making measurements This will make the term REC appear at the top of the display Pressing the REC ENTER button again briefly will make the term MAX appear to the right of REC and switch the display to the maximum value stored in memory during the last recording session Pressing the REC ENTER button again briefly will make the term MIN appear to the right of REC and switch the display to the minimum value stored during the last session To exit recording mode press and hold the REC ENTER button for at least three seconds until the term REC disappears from the top line of the display The display will then revert to showing the current reading Automatic vs manual datalogging The CDH SD1 can automatically log data at a user selected sampling period from 1 second to 9 hours To view the sampling time for which the instrument was set up press the LOGGER SET button which has the words Sampling check stenciled below it once To change the sampling time perform Step 5 of the setup procedure
9. al datalogging sese 12 Transferring data from an SD card to a computer 14 DDSEITIGAH OUS ee 16 Maintenance amp troubleshooting tips sene 18 Optional accessories 5 aser aer iuto eS On Ed 18 INTRODUCTION Thank you for purchasing the CDH SD1 Conductivity Meter with Datalogging SD Card Please read this user s manual carefully and thoroughly before using the instrument The CDH SD1 is a general purpose handheld instrument suitable for measuring the conductivity of a solution or its total dissolved solids TDS or salt content The meter also measures the solution s temperature The meter has four automatically switched full scale ranges of conductivity measurement 200 uS microSiemens 2 mS milliSiemens 20 mS and 200 mS It also has four automatically switched ranges of TDS measurement 200 ppm 2 000 ppm 20 000 ppm and 100 000 ppm Salt content of up to 1296 by weight also can be measured Among the applications suitable for the CDH SD1 are water conditioning wastewater monitoring beverage production aquaculture fish farming aquariums pulp and paper processing electroplating and photography The CDH SD1 has the performance and features needed to satisfy the most demanding aspects of the above applications A front panel pushbutton enables rapid switching among the three measurement modes Measurement accuracies are 2 of full scale reading 1 digit for conductivi
10. chine readable form in whole or in part without the prior written consent of OMEGA ENGINEERING INC Where Do I Find Everything Need for Process Measurement and Control OMEGA Of Course Shop online at omega com TEMPERATURE r Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies ch Wire Thermocouple RTD amp Thermistor lA Calibrators amp Ice Point References lA Recorders Controllers amp Process Monitors hr Infrared Pyrometers PRESSURE STRAIN AND FORCE A Transducers amp Strain Gages WY Load Cells amp Pressure Gages A Displacement Transducers IA Instrumentation amp Accessories FLOW LEVEL IA Rotameters Gas Mass Flowmeters amp Flow Computers A Air Velocity Indicators A Turbine Paddlewheel Systems A Totalizers amp Batch Controllers pH CONDUCTIVITY LY pH Electrodes Testers amp Accessories ch Benchtop Laboratory Meters l4 Controllers Calibrators Simulators amp Pumps IA Industrial pH amp Conductivity Equipment DATA ACQUISITION IA Data Acquisition amp Engineering Software IA Communications Based Acquisition Systems l4 Plug in Cards for Apple IBM amp Compatibles IA Data Logging Systems kb Recorders Printers amp Plotters HEATERS A Heating Cable WY Cartridge amp Strip Heaters A Immersion amp Band Heaters A Flexible Heaters A Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL A Metering amp Control Instrumentatio
11. crease the flashing seconds value and then press the REC ENTER button to store that setting This completes the setting of the pressure meter s datalogging sampling time 6 Enable or disable auto power off Once the sampling time has been set and stored the display will show the word yES over the term PoFF Press the W button until the desired automatic power off management scheme yES for enable no for disable is displayed Press the REC ENTER button to store the selection If enabled the power off function shuts off the CDH SDI after a period of inactivity of ten minutes 7 Enable or disable the beeper Once the auto power off function has been enabled or disabled the display will show the word yES over the word bEEP Press the W button until the desired setting yES or no is displayed and then press the REC ENTER button to store the selection 8 Choose a decimal point or comma to represent the decimal division between integers and fractions for example American style 20 88 vs European style 20 88 Once the beper has been enabled or disabled the display will show the word bASIC above the phrase dEC Press the W button to make bASIC American style or Euro appear in the upper display as desired Press the REC ENTER button to store the selection 9 Select the temperature unit Once the format of decimal point divisions has been set and stored the lower portion of the display w
12. d by the United Kingdom Office Toll Free 0800 466 342 TEL 33 0 161 37 29 00 FAX 33 0 130 57 54 27 e mail sales omega fr Daimlerstrasse 26 D 75392 Deckenpfronn Germany Toll Free 0800 6397678 TEL 49 0 7056 9398 0 FAX 49 0 7056 9398 29 e mail info omega de OMEGA Engineering Ltd One Omega Drive River Bend Technology Centre Northbank Irlam Manchester M44 5BD United Kingdom Toll Free 0800 488 488 TEL 44 0 161 777 6611 FAX 44 0 161 777 6622 e mail sales omega co uk It is the policy of OMEGA Engineering Inc to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for human applications TABLE OF CONTENTS Introduction siesena dir i an E et id ee 2 EEN 3 Operating instructions Ji esaet Iso ce yeh EEN perte desta 3 KEE 3 oup 5 Calibrating the conductivity TDS salt probe 8 Normal operatio oes eer nives ERRAT SR RM VER ERST 10 Holding and storing measurements sees 12 Automatic vs manu
13. for 9VDC AC adapter 1 15 Reset button 1 16 RS232 output jack 1 17 SD card socket Setup 1 Choose the power source Before using the CDH SDI be sure it is powered by fresh batteries or an optional 9VDC AC adapter plugged into the bottom jack on its right side callout 4 To remove the battery compartment cover remove the two screws holding it in place callout 1 11 Then install six AA batteries in the correct orientation using the polarity marks on the inside of the compartment as a guide Replace the cover by replacing the tWO Screws 2 Install an SD card To prepare for setup also install the supplied 2 GB SD memory card or another card with a capacity from 1 GB to 16 GB capacity in the socket on the bottom of the CDH SD1 callout 1 17 When installing the card make sure its gold contacts are facing front and push the card into the socket until you hear a click To remove the card push it in until you hear a click and the card pops out Now power on the instrument by pressing the POWER button callout 1 2 to generate a short beep To power off the CDH SD1 press the POWER button and hold it until the instrument responds with a long beep When the meter powers on a series of transient startup screens will briefly appear Once the display has stabilized perform the following eight setup steps in the order presented 3 Format the SD card The first step in the setup procedure determines whether or not to format the SD
14. heir time stamps on the SD card In manual datalogging mode however measurements are being stored continuously with a sampling time of zero and their locations on the card can be changed 14 To change the storage location of manually logged data press the W button once this causes the P to disappear from the left side of the display and the value on its line to begin flashing Once the flashing begins you can use the W and A buttons to change the flashing value to any number between 1 and 99 Once you have chosen the storage location press the REC ENTER button to save the setting This causes the value to stop flashing and the P to return 15 To end manual datalogging press the REC ENTER button and hold it for at least three seconds This action causes the REC message to disappear from the top line of the display 13 Transferring data from the SD card to a computer After automatic or manual datalogging of measurements remove the SD card from the meter and plug it into your computer either directly if it has an SD card slot or through an SD card reader Because the files containing time stamped data logs have the file extension xls they open in Microsoft s Excel application Figures 2 3 and 4 show three kinds of Excel presentations a data only screen a graphics only screen and a mixed data graphics screen A B C D E F C Pesze Date Te Ch Yase Cal Unit Ch value hz mt Z L 20S 13 14 35 H uS
15. ill show the term t CF Press either the W or A button to change the letter displayed at the right of the display to C for Celsius units or F for Fahrenheit units as desired Then press the REC ENTER button to store the selection 10 Compensate the conductivity TDS salt probe for temperature The default value is 2 per degree C The value is adjustable from 0 to 5 per degree C Once the default temperature unit has been selected and stored the lower portion of the display will show the term PEr C Press the W or A button repeatedly until the value above PEr C matches the desired temperature compensation level Press the REC ENTER button to store the setting The display will then either return to the first of the eight steps in the setup sequence choosing whether or not to format the SD memory card or show the term ESC If ESC appears press either the HOLD ESC button or the LOGGER SET button to exit the setup procedure and enter normal operating mode Calibrating the conductivity TDS salt probe The following procedure is sufficient to calibrate the supplied conductivity TDS salt probe so it accurately measures all three parameters Obtain the correct standard conductivity solution s for the full scale range s you expect to use For example if you expect to measure conductivity values using a full scale range of 2 mS use a 1 413 mS standard conductivity solution For measurements within
16. n Refractometers Pumps amp Tubing lA Air Soil amp Water Monitors Industrial Water amp Wastewater Treatment IA pH Conductivity amp Dissolved Oxygen Instruments M4990 0712
17. n backlight 2 05 x 1 5 inches 52 x 38 mm Carbon rod electrode Conductivity uS mS total dissolved solids ppm salt content weight temperature F C 2 of full scale reading 1 digit for conductivity TDS 0 8 C 1 5 F for temperature 0 5 of value for salt Conductivity 0 1 uS 200 uS full scale f s 0 001 mS 2 mS f s 0 01 mS 20 mS f s 0 1mS 200 mS f s TDS 0 1 ppm 200 ppm f s 1 ppm 2 000 ppm f s 10 ppm 20 000 ppm f s 100 ppm 100 000 ppm f s Temperature 0 1 F 0 1 C Salt 0 01 Automatic from 32 to 140 F 0 to 60 C temperature compensation factor is manually variable from 0 to 5 per degree Celsius Stored readings Datalogging sampling time SD card capacity Settable parameters Operating temperature Operating relative humidity Power supply Maximum minimum Settable between 1 second and 8 hours 59 minutes 59 seconds in automatic datalogging mode 1 GB to 16 GB Date time auto power off beep sound sampling time decimal point or comma decimal division optional pressure sensor s full scale range 2 5 10 20 50 100 200 or 400 bar 32 to 122 F 0 to 50 C for meter 32 to 140 F 0 to 60 C for probe 0 to 85 Six Alkaline AA batteries or optional 9 VDC AC adapter 16 Power consumption Dimensions of meter Weight of meter Dimensions of probe 14 mADC normal operation with backlight off and SD card not saving data 3
18. o the next step in the startup sequence setting the current date and time When the word dAtk appears in the center of the display along with the flashing value 00 00 00 at the lower left above yy mm dd set the current year by pressing the V or A button 6 repeatedly until the correct value appears above yy Press the REC ENTER button to store the setting The next screen that appears will have the value above mm flashing Use the V or A button to navigate to the current month and press the REC ENTER button to store the setting When the next screen flashes the value above dd again use the W or A button to navigate to the current day and press the REC ENTER button to store the setting Once you have set the date the display will prompt you to set the hour minute and second of the current time Again use the W or A buttons to navigate to the correct values and the REC ENTER button to store the settings 5 Set the datalogging sampling time Once the date and time have been set and stored the display will show a value below the letters SP t Press the V or A button to decrease or increase the flashing hour value until the desired number appears below SP t Press the REC ENTER button to store that setting The minutes value will then flash Press the W or A button to decrease or increase the value and then press the REC ENTER button to store that setting Finally press the W or A button to decrease or in
19. o value before the probe head is immersed in the solution you can quickly correct that error by doing the following First use the A button to manually choose a full scale measurement mode of 200 uS Then press the A button again but hold it for at least ten seconds until the display reads zero 5 To measure the TDS content of a solution press the A button until the term tdS appears Hold the conductivity probe and immerse its head in the solution to be measured Shake the probe to help any air bubbles inside it escape through the head The display will simultaneously show the solution s TDS content in units of ppm in the center and the solution s temperature in C at the lower left 6 To measure the salt content of a solution press the A button until the term SALt is displayed Hold the conductivity probe and immerse its head in the solution to be measured Shake the probe to help any air bubbles inside it escape through the head The display will simultaneously show the solution s salt content by 96 weight in the center and the solution s temperature in C at the lower left Whenever the CDH SD1 is in measurement mode you can turn off the backlight which is on by default by briefly pressing but not holding the POWER ESC button To reactivate the backlight briefly press the button again Whenever the instrument is in measurement mode you also can check the current date and time by briefly pressing the TIM
20. r written OMEGA warrants only that the parts manufactured by the company will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product s in such a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair reques
21. the 200 uS full scale range obtain and use an 80 uS standard solution Plug the probe into its dedicated socket on the top of the meter callout 1 15 of Fig 1 Then power on the meter and push the A button which has the word MODE stenciled above it until the display shows the term Cd To perform the calibration immerse and shake the head of the probe in the standard solution The display will show its conductivity in units of uS or mS Once a value is displayed use two fingers to press the REC ENTER and HOLD ESC buttons simultaneously Cd CAL When this screen appears release both fingers Immediately press the REC ENTER button The display will then switch into a two level upper and lower mode that looks like this 1 318 gt 1 41 Standard value 1 318 1 318 Immediately press the V or A button to raise or lower the measured value until it matches the standard conductivity value Complete the calibration procedure by pressing the REC ENTER button If you expect to make conductivity readings using other full scale ranges you should repeat this calibration procedure using other standard conductivity solutions of appropriate strength If you do General advises performing the above procedure for a 2 ms full scale range first Normal operation 1 To prepare to make measurements plug the connector at one end of the supplied conductivity probe into the socket on the top of the meter
22. ts inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have FOR NON WARRANTY REPAIRS consult the following information available BEFORE OMEGA for current repair charges Have the contacting OMEGA following information available BEFORE 1 Purchase Order number under which contacting OMEGA the product was PURCHASED 1 Purchase Order number to cover the 2 Model and serial number of the product COST of the repair under warranty and 2 Model and serial number of theproduct and 3 Repair instructions and or specific 3 Repair instructions and or specific problems problems relative to the product relative to the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 2011 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or ma
23. ty and TDS 0 8 C 1 5 F for temperature and 0 5 of the value for salt The supplied carbon rod electrode conductivity TDS salt probe can be calibrated using standard solutions for any of three full scale measurement ranges Many standard solutions are available from Omega as optional accessories Because it is microprocessor based the CDH SD1 can make full use of the portability reliability and large storage capacities that SD memory cards offer Measurements can be made automatically at any sampling rate between one second and nine hours After time stamping and storing the measurements on an SD card plugged into the instrument a process called datalogging the user can remove the card and plug it into to a laptop or desktop computer either directly or 2 via a USB card reader The data logs are stored on the card as files with the xls extension which can be opened by Microsoft s Excel application The CDH SD1 has a backlit 2 1 2 inch diagonal display and is powered by six AA Alkaline batteries or an optional 9 VDC AC adapter KEY FEATURES e Sensors calibrated by single push of a button e Ten different pressure units selectable via front panel e Displays maximum and minimum readings e Performs real time automatic datalogging at sampling time settable from 1 second to 9 hours e Also supports manual logging and changing of card storage location e Outputs Excel compatible data logs e Accepts SD memory cards of up to 16 G
24. urchase OMEGA s WARRANTY adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit malfunctions it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components in which wear is not warranted include but are not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal o
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