hot point® Dry Block Probe Calibrator
Contents
1. 4 GO Fis 4 Section 5 RC232 Communications 5 1 Section 6 Specifications 6 1 Section 7 Troubleshooting Guide 7 1 Section 8 Glossary of Terms Used in This Manual 8 1 Section 9 The OMEGA Family of Blackbody Calibrators 9 1 7 CL9O0A CL950A SERIES Table of Figures Figure Description Page L IEC VOUS aie eee prsner in a EE T EES 1 1 Ze dA PORE Wel Inserts tor the CIOL sesioni ers ni 1 2 I CLOUET TODE WO loren noin E E 2 1 A all rn T ere tr eer 2 1 3 Oh Bye oe 9 Well renee emer ee ee ere eee ere re 2 1 6 qua ech oc Meee E er ec E ee 3 1 e Back ae onp A ee ee 3 3 3 8 Controller Menu Hierarchy Showing Factory Default Parameters E 3 4 9 Approximate Target Plate Temperature Transition Times Chart 3 5 10 Removal of Probe Well Insert in CL900A 3 6 11 Connecting the CL900A2. YEAR USA CARE WARRANTY Extended Warranty Program C 230 VAC Model Only Shop on line at omega com OZOMEGA Wwww omega com e mail info omega com CL900A CL950A SERIES hot point Dry Block Probe Calibrator omega com O OMEGA OMEGAnet Online Service Internet e mail www omega com info omega com USA ISO 9001 Certified Canada Servicing North America One Omega Drive P O Box 4047 Stamford CT 06907 0047 TEL 203 359 1660 FAX 203 359 7700 e mail info omega com 976 Bergar Laval Quebec H7L 5A1 Canada TEL 514 856 6928 FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance USA and Canada Mexico Benelux Czech Republic France Germany Austria United Kingdom ISO 9002 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 TELEX 996404 EASYLINK 62968934 CABLE OMEGA En Espa ol 001 203 359 7803 e mail espanol omega com FAX 001 203 359 7807 info omega com mx Servicing Europe Postbus 8034 1180 LA Amstelveen The Netherlands TEL 31 0 20 3472121 FAX 31 0 20 6434643 Toll Free in Benelux 0800 0993344 e mail sales omegaeng nl Frystatska 184 733 01 Karvina Czech Republic TEL 420 0 59 6311899 FAX 420 0 59 6311114 Toll Free 0800 1 66342 e mail info omegash
3. 40 F to 900 F 5 to 38 C 40 to 100 F 0 to 90 RH non condensing 0 8 C 1 5 F 1 LSD 1 7 C 45 F 1 LSD 0 8 C 1 5 F 1 LSD 1 F C 0 3 F or better 12 min from 38 C to 398 C from 100 F to 750 F Temperature Uniformity Within the Bottom 1 of the Test Well CL900A W 6 Well Inserts CL900A W 4 Well Inserts CL950A Max Probe Immersion CL900A W 6 Well Inserts 900 W 4 Well Inserts CLI50A Internal Control Sensor Control Power CL900A CL950A CL900A 230 CL950A 230VAC Dimensions Weight Markings Humidity 0 3 rdg 0 4 rdg 0 3 rdg 6 150 mm 4 100 mm 6 150 mm Platinum RTD 100 W alpha 00385 Microprocessor Based PID Digital Controller 115 VAC 50 60Hz 1010W 230 VAC 50 60 Hz 1010W 12 3 Lx 14 3 W x 7 5 H 312mm x 363mm x 191mm 25 Ib 11 4 Kg CE CL900A 230VAC and CL950A 230VAC only 0 to 90 RH non condensing Troubleshooting Guide Section 7 Troubleshooting Guide Problem 1 Unit will not turn on 2 Unit turns on but the probe well will not get hot 3 Controller display shows Err H and the probe well will not get hot 4 Probe well temperature will not stabilize to within 0 5 of the setpoint temperature Solution a b C a a b Check all electrical connections Check rear panel fuses Unit requires service contact our customer service department Chec
4. Be sure not to use the XON XOFF or hardware handshaking Lastly it should be noted that following a complete transmission to the CL900A a response it sent back If the message was valid the changed or queried parameter is echoed back following the same format If the message was not according to acceptable format or was attempting to force a parameter out of range an ERROR message is echoed Note only RS232 protocol is supported by the serial port Voltage levels are not to exceed 12VDC A standard 9 wire cable should be used with shielding and DB9 connectors The CL900A CL950A connections are female Most computers have a 9 pin male connection Hence a male female cable with straight through connections is appropriate for interfacing Figure 11 Connecting the CL900A to a Computer s Serial Port _ RS232 Communication Parameter List only relevant parameters shown PAR Parameter Range Units 00 Process Temp Input determined 01 Setpoint Input determined 19 Baud Selection bAUd Baud Selections Code Baud Parity Data Bits Stop Bits 3 0 7 300 odd 7 2 6 0 7 600 odd 7 2 12 0 7 1200 odd 7 2 factory default settings 24 0 7 1200 odd 7 2 3 n 8 300 no 8 1 6 n 8 600 no 8 1 12 n 8 1200 no 8 1 24 n 8 2400 no 8 1 General Message Format controller id command parameter number lt new value gt lt units gt CR LF Definitions This character initiates an escape sequence that the controller
5. Velocity Indicators WA Turbine Paddlewheel Systems WA Totalizers amp Batch Controllers pH CONDUCTIVITY La pH Electrodes Testers amp Accessories WA Benchtop Laboratory Meters WA Controllers Calibrators Simulators amp Pumps 27 Industrial pH amp Conductivity Equipment DATA ACQUISITION 27 Data Acquisition amp Engineering Software 27 Communications Based Acquisition Systems lA Plug in Cards for Apple IBM amp Compatibles lA Datalogging Systems 2 Recorders Printers amp Plotters HEATERS WA Heating Cable WA Cartridge amp Strip Heaters WA Immersion amp Band Heaters WA Flexible Heaters 2 Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL WA Metering amp Control Instrumentation lA Refractometers WA Pumps amp Tubing 2 Air Soil amp Water Monitors 2 Industrial Water amp Wastewater Treatment 27 pH Conductivity amp Dissolved Oxygen Instruments M3555 0803
6. product 1 Purchase Order number to cover the COST was PURCHASED of the repair 2 Model and serial number of the product under 2 Model and serial number of the product and warranty and 3 Repair instructions and or specific problems 3 Repair instructions and or specific 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 2003 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form in whole or in part without the prior written consent of OMEGA ENGINEERING INC Where Do Find Everything Need for Process Measurement and Control OMEGA Of Course Shop online at www omega com TEMPERATURE WA Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies WA Wire Thermocouple RTD amp Thermistor lA Calibrators amp Ice Point References 2 Recorders Controllers amp Process Monitors WA Infrared Pyrometers PRESSURE STRAIN AND FORCE WA Transducers amp Strain Gages lA Load Cells amp Pressure Gages WA Displacement Transducers WA Instrumentation amp Accessories FLOW LEVEL WA Rotameters Gas Mass Flowmeters amp Flow Computers WA Air
7. To change settings on other menu levels you must re enter the programming menu from step 1 3 5 more 1100F F Figure 9 Approximate Target Plate Temperature Transition Times The CL900A CL950A heat up and cool down characteristics are illustrated in Figure 8 The chart illustrates the approximate time required to make a transition from one probe well temperature to another First determine the current probe well temperature and go to the corresponding row Next decide the new target plate temperature and go to the appropriate column Note that there are X s along the diagonal where original and target temperatures are the same 3 6 Replacing the Probe Well Inserts in the CL9OOA As shown in Figure 1 there are several different probe well inserts available for the CL900A CL900A 230 The CL900A is shipped with the CL906 insert diameter 1 4 depth 6 and the CL900A 230 is shipped with the CL906 M insert diameter 4 5 mm depth 152 4 mm 2 operations are required to be done at the same time to remove the probe well 3 5 g Operation Remove all electrical connections and power before attempting any maintenance Never attempt to remove or insert a probe well insert while the probe well is still hot 1 Pull the probe well insert release pin from the key ring loop allowing the well insert clearance for removal See Figure 2 2 Remove the probe well insert using the extraction tool HP 0037 The tool i
8. UARD THERMAL RESET SWITCH VENT AA Q 22222 FAN AC MAIN POWER INLET RS232 PORT AND FUSE COMPARTMENT Figure 7 Back Panel AC Power Input The customer connects the power cord to the AC Power Input Refer to Section 4 3 for information on fuse replacement Power Switch The power switch has two positions ON and STANDBY Power Switch The power switch has two positions ON and STANDBY ON STANDBY In the ON mode the entire unit is powered up The fan will turn on immediately when entering the ON mode Once the calibrator is no longer being used and the switch is placed in the STANDBY mode the unit is powered down except for the fan circuit The fan will continue to run for two hours Do not disconnect the power cord from the unit while the unit is cooling down Do not disconnect the power cord until the unit has completed its cool down period Never transport the unit while it is still hot g Operation 3 3 Changing the Temperature Setpoint The layout of the front panel is shown in Figure 2 The CL900A CCL950A incorporates a PID digital setpoint controller The setpoint variable SV is changed by holding in either the 4 key or the key The setpoint variable will change at 3 different rates depending on how long a key is being pressed The minimum setpoint is 38 C 100 F the maximum setpoint 482 2 C 900 F 3 4 Changing the Controller Pa
9. and accurate calibrators cover a wide range of temperatures target plate sizes and features making them perfect for infrared pyrometer field service testing and laboratory calibrations BB701 Hot Cold Blackbody Calibration Source Calibration Range 18 to 149 C 0 to 300 F Accuracy 0 8 C 1 4 F Emissivity 0 95 Ambient Temp 4 to 43 C 40 to 110 F Cavity Size 63 5 mm 2 5 in Power 115 230V 50 60 Hz 175W BB702 Blackbody Calibration Source Calibration Range 32 to 215 C amb 90 to 420 F Accuracy 0 5 C 0 9 P 0 25 rdg Emissivity 0 95 Ambient Temp 5 to 45 C 41 to 113 F Cavity Size 63 5 mm 2 5 in Power 115 230V 50 60 Hz 75W BB703 Mini Blackbody Calibration Source Calibration Range 32 to 400 C 90 to 752 F Accuracy 1 4 C 2 5 P Emissivity 0 95 Ambient Temp 0 to 40 C 32 to 104 F Cavity Size 28 6 mm 1 125 in Power 115 230V 50 60 Hz 175W BB704 4 Target Plate Blackbody Calibration Source Calibration Range 100 to 400 C 212 to 752 F Accuracy 0 8 C 1 4 F Emissivity 0 95 Ambient Temp 0 to 50 C 32 to 122 F Cavity Size 101 6 mm 4 in Power 115 230V 50 60 Hz 425W BB705 Laboratory Grade Blackbody Calibration Source Calibration Range 100 to 1046 C 212 to 1915 F Accuracy 1 0 C 1 8 F 0 25 red Emissivity 0 99 Ambient Temp 0 to 35 C 32 to 95 F Cavity Size 44 mm 1 75 in Power 115 230V 50 60 Hz 1100W BB 4A High Temperature Black
10. ater or refrigerator As the process temperature approaches the setpoint temperature the hot or cold process will be pulsed to reduce the corrective measures and minimize overshooting The controller provides a visual representation of the process status through LED indicators An indicator may be lit continuously blink or shut off entirely to indicate that the process is on being pulsed or off respectively 3 1 g Operation Probe Well The CL900A allows for different probe well insert options whereas the CL950A comes with a fixed probe well which accepts 4 different probe diameters The probe well in both units is chassis grounded It is critical that a power outlet with a grounding lug be used Never defeat the grounding conductor in any way 2 Menu Access Key Hold down for 3 seconds initially to access the programming mode Once in the programming mode momentarily press this key to scroll through the menus a Raise Key Momentarily press to increase the selected parameter or scroll upward in the list of possible settings v Lower Key Momentarily press to decrease the selected parameter or scroll downward in the list of possible settings Mode Enter Key Hold down for 3 seconds to enter the standby setup mode initially Once in the program mode viewing a parameter use this key to save the current setting and advance to the next parameter Operation g 3 2 Back Panel Connections FINGER G
11. body Calibration Source Calibration Range 100 to 982 C 212 to 1800 F Accuracy 1 0 C 1 8 F 0 25 rdg Emissivity 0 99 Ambient Temp 0 to 50 C 32 to 122 F Cavity Size 22 2 mm 0 88 in Power 115 230V 50 60 Hz 400W For a complete updated specification sheet and price on any of the calibrators listed here visit our website at www omega com Please call our sales or customer service department for information and pricing on any new models available CL9O0A CL950A SERIES 4 NOTES 9 2 A CL900A CL950A SERIES NOTES 9 3 MADE FIN USA 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 purchase 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 im
12. both fuses need to be checked if there is a suspicion that a fuse has been blown One or both fuses may have been damaged RS232 Communication Section 5 RS232 Communication This method allows bi directional data transfer via a three conductor cable consisting of signal ground receive input and transmit output It is recommended that less than fifty feet of cable be used between the computer and this instrument Note that multiple instruments cannot be tied to the same port in this configuration The RS232 port is optically isolated to eliminate ground loop problems Below is a pinout diagram for the serial port of the CL900A CL950A as well as the pinout for a 9 pin PC serial port Use a straight DB9 female to DB9 male connector cable to connect your computer to the CL900A The cable should be attached when only when the computer and CL900A are off Only parameters in the parameter list should be modified or queried via the serial port Other parameters should be viewed or queried from the controller directly It is highly recommended that baud rate for the controller be modified on the controller directly Note that both the CL900A and the computer must be communicating with the same serial communications parameters to establish a working communication link The serial communications feature can be tested using terminal emulation package Note that this controller does not time out waiting for the next character to be transmitted
13. built in microprocessor based PID digital controller assures exceptional stability Setpoint and actual temperature are displayed simultaneously Temperature can be set in one degree increments from 22 C 40 F above ambient temperature to 482 C 900 F The CL900A differs from the CL950A only with regard to the probe well The CL900A has a removable single port well insert The CL950A has a built in multiport well The CL900A is shipped with the CL906 insert diameter 1 4 depth 6 The CL900A 230 is shipped with the CL906 M insert diameter 4 5 mm depth 152 4 mm 1 2 Introduction Vv Probe Well Inserts with Inch Sizes Probe Well Inserts with Metric Sizes OMEGA Probe Hole Probe Hole OMEGA Probe Hole Diameter Hole Part No Diameter Depth Part No Probe Depth co m e oM 2mm 1524mm ca ae 155 ceo e e coom 45mm 1524mm ceo sne coom 6mm 1524mm Figure 2 Probe Well Inserts for the CL900A As shown in Figure 1 various inserts may be ordered from OMEGA to meet your specific probe requirements The insert slides into the probe well of the CLIOOA Figure 3 CL900A Probe Well The CL950A and CL950A 230 have permanently fixed multi port wells that accepts 4 different probe sizes The CL950A and CL950A 230 has 4 standard inch holes with diameters 1 16 1 4 x 2 1 8 3 16 with 6 hole depth The CL9I50A M and CL950A M 230 has 4 standard metric ho
14. d with stripped wire ends for connection to the proper connector used in your country or local area The connector is not provided Electrical connections and wiring should be performed only by suitably trained personnel Be sure that the line voltage powering your unit does not go above or below 10 of the rated voltages specified ie Operation Section 3 Operation 3 1 Front Panel Controls and Indicators FINGER GUARD P I D TEMPERATURE INDICATOR CONTROLLER OT POINT Block Calibrator 383338333 CAUTION HOT SURFACE TE OMEGA 0000000000 0 0000000000 0 oR 0 0000000 0 000000000 0 0 0000000000 0 0000000000 0 CL900A SERIES PROBE WELL INSERT POWER LOCK PIN SWITCH Figure 6 Front Panel Temperature Controller The temperature controller provides a separate digital display for setpoint temperature as well as process temperature Buttons are provided on the front panel for configuring the controller The CL900A CL950A is shipped pre configured The customer should not alter any parameters except for the displayed engineering units F C P I1 D Indicator When this light is illuminated the unit is heating up the target plate yp P 1 D Control Proportional integral derivative control P I D is a temperature control algorithm used in temperature controllers The controller causes the process to attain the desired temperature by turning the process on or off The process may be a he
15. ental 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 requests 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 the FOR NON WARRANTY REPAIRS consult OMEGA following information available BEFORE for current repair charges Have the following contacting OMEGA information available BEFORE contacting OMEGA 1 Purchase Order number under which the
16. ic 200 0107 International Well Insert Removal Tool HP 0037 CL900A only A probe well insert is only included with Model CL900A or CL900A 230 Mounting Mount the unit on a bench table top or shelf in a horizontal position and operate at least ten inches from any air obstructions to the fan front panel rear panel bottom and top of the unit in an ambient environment between the specified 5 C to 38 C 40 F to 100 F Ambient Temperature The CL900A CL950A is designed to operate within an ambient temperature range from 5 C to 38 C 40 F to 100 F Failure to operate the unit within this range may damage your unit If the unit is operated in an ambient temperature above 38 C 100 F a thermal cutoff switch will cut off power to the heater The process variable PV will no longer approach the setpoint variable SV The heaters will cool down and cease to operate If this should occur you should send your unit back to OMEGA for service g Installation 2 4 Power Connection Standard 115 VAC 50 60 Hz models The CL900A CL950A comes with a standard North American 3 prong AC power cord Do not use any other power cord other than the one provided This cord is of adequate wire gage grounding features and has been safety tested by the proper safety agencies International 230 VAC 50 60 Hz models On CL900A 230 CL950A 230 models an International style power cord with the proper color code and approvals is provide
17. k that you have entered a setpoint above the ambient temperature Verify that the controller is set to its factory default settings Unit requires service contact our customer service department Unit has been operated above ambient temperature operating range Safety cutoff switch has disabled heater Unit should be sent back to factory for reset and safety check Unit requires service contact our customer service department Verify that the controller parameters are set to factory default settings Unit requires service contact our customer service department d Line voltage is not stable Glossary of Terms Used in This Manual g Section 8 Glossary of Terms Used in This Manual Calibration The process of adjusting an instrument or compiling a deviation chart so that its reading can be correlated to the actual value being measured IEC International Electrotechnical Commission NIST National Institute of Standards and Technology PID Proportional Integral Derivative A three mode control action where the controller has time proportioning integral auto reset and derivative rate action RTD Resistance temperature detector The OMEGA Family of Blackbody Calibrators The OMEGA Family of Blackbody Calibrators Listed below is a selection guide of OMEGA s current line of blackbody calibration sources in addition to the one you have selected This family of rugged portable
18. les with diameters 2 mm 3mm 4 5 mm and 6 mm x 2 with 152 4 mm hole depth 1 16 2mm 1 4 1 4 6mm ji 6mm O O O 1 8 3 16 3mm 4 5mm o O O Figure 4 CL950A Probe Well Figure 5 CL950A M Probe Well 1 3 WV CL900A CL950A SERIES NOTES Installation Section 2 Installation 2 1 2 2 2 3 Unpacking Remove the packing list and verify that you have received all your equipment If you have any questions about the shipment please call our Customer Service Department at 1 800 622 2378 or 203 359 1660 website http www omega com e mail info omega com When you receive the shipment inspect the container and equipment for any signs of damage Note any evidence of rough handling in transit Immediately report any damage to the shipping agent The carrier will not honor any damage claims unless all shipping material is saved for inspection After examining and removing contents save packing material and carton in the event reshipment is necessary The following items are supplied in the box The following items are supplied in the box Item OMEGA Part Hotpoint Calibrator Removable single port well insert CL9O00A CL900 230 Or Or Hotpoint Calibrator Built in multiport well CL950A CL950 230 Probe Well Insert for1 4 Probes shipped with CL900A Or Probe Well Insert for 4 5 MM Probes shipped with CL900A 230 User Manual M 3555 Calibration Certificate CAL 3 Power Cord 200 0028 Domest
19. op cz 11 rue Jacques Cartier 78280 Guyancourt France TEL 33 0 1 61 37 2900 FAX 33 0 1 30 57 5427 Toll Free in France 0800 466 342 e mail sales omega fr Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 9398 0 FAX 49 0 7056 9398 29 Toll Free in Germany 0800 639 7678 e mail info omega de One Omega Drive River Bend Technology Centre Northbank Irlam Manchester M44 5BD United Kingdom TEL 44 0 161 777 6611 FAX 44 0 161 777 6622 Toll Free in United Kingdom 0800 488 488 e mail sales omega co uk It is the policy of OMEGA 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 Engineering Inc 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 CL900A CL9O50A SERIES Table of Contents Section Page Section 1 Introduction sssini
20. proper 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 which wear are not warranted including but 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 or written OMEGA warrants only that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESS 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 incid
21. r the process temperature will keep falling or not rise at all At this point the unit should be sent back to OMEGA for service Maintenance Section 4 Maintenance 4 1 4 2 4 2 1 4 2 2 4 2 3 4 3 Calibration This unit has been fine tuned at the factory and calibrated to give optimum performance of its full temperature range It is recommended that the unit be returned annually for re calibration Cleaning Remove all electrical connections and power before attempting any maintenance or cleaning Main Body Only a damp soft rag with a mild cleaning solution should be used when cleaning the main body of this unit Probe Well Send the unit back to OMEGA in the event that the probe well becomes dirty Do not attempt remove the probe well from the unit Fan and Vent Guards The fan guard and vent guards should be cleaned as a minimum annually A medium power vacuum cleaner with a brush attachment is recommended Fuse replacement Disconnect power from source before replacing fuse For continued protection against the risk of fire replace with only the same size type and rating fuse indicated here and on the rear panel of your unit For model CL900A CL950A use Fuse 1 ea T12A 250 VAC Time Delay VDE APPROVED dia x 1 long CL900A 230 CL950A 230 use Fuse 2 ea T6 3A 250 VAC Time Delay VDE APPROVED 5mm dia x 20mm long Note that for the CLYOOA 230 CL950A 230
22. rameter Settings The CL900A CL950A operates at its optimum performance when left with the factory parameter settings The only internal parameter that the operator may need to change is the engineering units F or C Below are two diagrams a menu hierarchy with factory default settings b programming procedure In the event that some parameters have accidentally been changed use the factory default settings shown below Changing any other parameter settings besides the engineering units will decrease the accuracy of your calibrator Menu 05 Key Lock SETPOINT Ac Cd Figure 8 Controller Menu Hierarchy Showing Factory Default Parameter Settings Do not re program the controller s parameter settings or change the wiring inside your unit to override the maximum setpoint value of 482 2 C 900 F 3 4 Operation g Changing the controller s parameter settings Press the Q key to enter the programming mode The lower display will alternately display the menu level and Ac Cd Use the and keys to change to the desired menu level Once you have chosen the desired menu use the key to scroll through the parameters To change the setting of a given parameter use the 4 and v keys To save settings press the key The controller now exits the programming menu and return to the normal operating mode
23. s first squeezed inserted into the aperture of the probe well insert aligning the pins of the tool with the holes insert Then relaxed such that the pins separate locking into the holes of the insert on either side of the shaft Pull the pin out slowly See Figure 6 PROBE HOLE o EXTRACTION TOOL EXTRACTION HOLES PROBE WELL INSERT Figure 10 Removal of Probe Well Insert in CL900A 3 7 Fanning System The CL900 950 has 2 cooling fans One is mounted just under the top panel The other is mounted just behind the rear panel The fans are activated whenever the unit is plugged into a live power outlet Regardless of whether the power switch is on the fan will run for a period of 2 hours or until the power is turned off The fans will remain on as long as the unit is turned on Once the the unit is switched from ON mode to STANDBY mode the fans will again run for 2 hours Never disconnect the power cord while the unit is still cooling down A safety hazard may result and the unit may get damaged Operation Never disconnect the power cord while the fan is still cooling down A safety hazard may result and the unit may get damaged 3 8 Overheat Reset Switch In the event one or both of the fans fail and the temperature inside the unit raise to an unacceptable level a thermal cutoff switch will disconnect the heater power The controller will still display the desired setpoint temperature howeve
24. ssie a 1 1 LUET O EE E A 1 1 1 2 Safety Warnings and IEC Symbols 1 1 oenen ON CE Markig seire 1 2 1 2 Section 2 Installation etre meses nese 2 1 2 1 Unpacking and Inspection lt scsucetsgrexeesoeeacesecteresesinceseincencesess 2 1 DP NOTE r A E E E cay achanesuseres se 2 2 sesira gesinn 2 2 2 4 Pow r CONC CHOI sacar sateanssantavecnnenen tenner nnsadamcaceateeieas 2 2 VCCI Opera oN aa a sees ets eve ees tenets 3 1 3 1 Front Panel Controls and Indicators 3 1 32 Dack Panel C onnecHONS 3 3 5 0 Changing the Temperature 7 secsec 3 4 3 4 Changing the Controller Parameters 3 4 3 5 Target Plate Temperature Transition Chart 3 5 3 6 Replacing Probe Well Inserts in the CL9OOA 3 5 3 6 3 8 Overhead Reset Switch 3 7 Section 4 Maintenance 4 1 2G ADEA HOR Merrett mere rr E eer 4 1 4 1 a E A T 4 1 EEEE EE E 4 1 4 2 3 Fan and Vent Guards
25. t Attempting to repair or service your unit may void your warranty 1 2 Safety Warnings and IEC Symbols This device is marked with international safety and hazard symbols in accordance with IEC 1010 It is important to read and follow all precautions and instructions in this manual before operating or commissioning this device as it contains important information relating to safety and EMC Failure to follow all safety precautions may result in injury and or damage to your calibrator Use of this device in a manner not specified by the manufacturer may impair protection provided within the unit IEC symbols Description Caution risk of electric shock WV Introduction Caution refer to accompanying documents Caution hot surface 230 VAC 50Hz European Models 115 VAC 60Hz Domestic Models Figure 1 IEC symbols 1 3 Statement on CE Marking It is the policy of OMEGA to comply with all world wide safety and EMI EMC 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 verification of compliance 1 4 General Description The CL900A and CL950A are a part of a family of calibrators which allows for calibration of thermocouples thermisters RTD and thermistor probes quickly and easily with an accuracy to 0 8 C 1 5 F An integral RTD sensor assures high measurement accuracy and repeatability A
26. to a Computer s Serial Port 4 3 OMEGAcare extended warranty program is available for this model OMEGAcare covers parts labor and equivalent loaners Ask your sales representative for full details when placing an order Introduction Section 1 Introduction Your CL900A CL950A hot point Thermocouple RTD and thermistor Probe Calibrators have been designed for ease of use and reliability whenever you have the need to test or calibrate temperature probes It is important that you read this manual completely and follow all safety precautions before operating this instrument 1 1 Precautions Follow all safety precautions and operating instructions outlined in this manual Never leave your calibrator unattended when in use Keep out of reach of children Never touch the probe well area when hot Never place any object within 3 inches of the probe well opening when hot Do not operate in flammable or explosive environments Never operate with a power cord other than the one provided with your unit Remove and or disconnect main power cord before attempting any maintenance or fuse replacement Do not connect and or operate this unit to a non grounded non polarized outlet or power source Do not connect the serial port or reference probe port to equipment with exposed hazardous live voltages There are no user serviceable parts inside your uni
27. will recognize controller id Up to 2 numeric characters 00 to 99 factory default 01 command 1 character upper case or lower case R To read a parameter from the controller M To temporarily modify a controller parameter lost upon shutdown E To modify a controller param in non volatile mem saved even after shutdown parameter Up to 2 numeric characters 00 to 99 lt new value gt This control word is used only when entering or modifying a parameter Up to 6 characters may be entered The first character can be a space a or a The next 4 characters are for entering the new value parameter value Be sure to use the exact same field format as is currently being used i e if the XXX X format is used to express temperature be sure to enter a new value that conforms to the same format lt units gt This optional control word is used to specify units F for F C for C CR LF Every transmission must be terminated with a carriage return CR character The line feed LF character is optional Section 6 Specifications Temperature Range Operating Ambient Environmental Conditions Temperature Humidity Accuracy CL900A CL900A 230 w 6 152 5mm Inserts CL9I00A w CL9I00A 230 w 4 106 6mm Inserts CL950A Resolution Control Stability Heat up Time Specifications Ambient 22 C to 482 C Ambient
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