Manual - OMEGA Engineering
Contents
1. a Check that you have made the proper wiring connections between your unit and computer b Check for proper communication parameter settings in the controller and your computer Baud parity etc c Check that your message string contains the correct letters and characters for the command you want to send d Unit requires service contact our customer service department V BB702 Glossary of Terms Used in This Manual Section 9 Glossary of Terms Used in This Manual Blackbody A theoretical object that radiates the maximum amount of energy at a given temperature and absorbs all the energy incident upon it 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 Emissivity The ratio of energy emitted by a surface to the energy emitted by a blackbody at the same temperature IEC International Electrotechnical Commission Infrared IR A range of the electromagnetic spectrum extending beyond red visible light from 760 nanometers to 1000 microns 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 cali2. amp Flow Computers WA Air Velocity Indicators lA Turbine Paddlewheel Systems lA Totalizers amp Batch Controllers pH CONDUCTIVITY La pH Electrodes Testers amp Accessories WA Benchtop Laboratory Meters WA Controllers Calibrators Simulators amp Pumps WA Industrial pH amp Conductivity Equipment DATA ACQUISITION lA Data Acquisition amp Engineering Software WA Communications Based Acquisition Systems WA Plug in Cards for Apple IBM amp Compatibles WA Datalogging Systems l Recorders Printers amp Plotters HEATERS lA Heating Cable lt Cartridge amp Strip Heaters WA Immersion amp Band Heaters WA Flexible Heaters WA Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL WA Metering amp Control Instrumentation lA Refractometers WA Pumps amp Tubing lA Air Soil amp Water Monitors lA Industrial Water amp Wastewater Treatment lA pH Conductivity amp Dissolved Oxygen Instruments M3015 0905
3. 2 YEAR USA CARE i m WARRANTY Extended Warranty Program 230 VAC Model Only Shop online at omega conY OE OMEGA omega com e mail info omega com For latest product manuals omegamanual info CN8500 BLACK BODY CALIBRATION SOURCE Le Blackbody Calibrator omega com OO OMEGA OMEGAnet Online Service Internet e mail omega com info omega com U S A 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 U S A and Canada Sales Service 1 800 826 6342 1 800 TC OMEGA Mexico Czech Republic Germany Austria United Kingdom ISO 9002 Certified Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN En Espafiol 001 203 359 7803 e mail espanol omega com FAX 001 203 359 7807 info omega com mx Servicing Europe 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 omegashop cz 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 om
4. 5 to 45 C 41 to 113 F 0 to 90 RH Non condensing 63 5mm 2 5 0 95 Platinum RTD Class A Alpha 0 00385 Platinum RTD Class A Alpha 0 00385 See Figure 7 Section 3 5 See Figure 7 Section 3 5 115 VAC 50 60 Hz 75W 230 VAC 50 60 Hz 75W 152 x 305 x 280mm 6 H x 12 W x 11 L 7 2 kg 16 lb CE BB702 230 Vac Only Reference to 8 14 micons wavelength bandwidth BB702 Troubleshooting Guide Section 8 Troubleshooting Guide Problem 1 Unit will not turn on 2 Unit turns on but the target plate will not get hot 3 Controller display shows Error and the target will not get hot 4 Cavity cone temperature will not stabilize to within 2 F of the setpoint temperature 5 Unable to communicate with the unit through the RS 232 connection port Solution a Check Power Cord connections b Check rear panel fuse s c Unit requires service contact our customer service department a Check that you have entered a setpoint between Ambient 20 to 420 F b Verify that the controller is set to its factory default settings c Unit has overheated causing the thermal reset switch to open See Section 3 6 d Unit requires service contact our customer service department a Unit requires service contact our customer service department a Verify that the controller is set to its factory default settings b Unit requires service contact our customer service department
5. TIMES merser 3 5 3 6 Overheat Reset Switch eseeessesessesesesesessressressressesssesssressessees 3 5 Section4 Serial Communication sesseessesoessossossoessossossosssossssssessossssssses 4 1 S chon S Maintenance sssssissyisdiicreiin e eea 5 1 ENEG 0 EEE E ee eee 5 1 TN eE R 5 1 NNN 5 1 TONN 5 1 EE EE EN E E 5 1 OPERE a O E E cose corsa S 5 1 Section6 Reference ProDe ssiissionssninasanonii a 6 1 Secon 7 Specifica 0 7 1 Section8 Troubleshooting Guide sisncvesscscvsssesssvesiscssenesvnncovssssvonssaonssovssvenes 8 1 Section9 Glossary of Terms Used in This Manual eeooooovvvenvvvnvevenveeen 9 1 Section 10 The OMEGA Family of Blackbody Calibrators 10 1 dl BB702 Blackbody Calibrator Table of Figures Figure Description Page 1 Tes 1 2 2 Maximum Setpoint Temperature Limits Jeg 2 2 3 Pront 0 5 NE EN a 4 Pack TADE aan E E E 3 2 5 Menu Hierarchy Showing Factory Default Settings 3 4 6 FT vr 3 4 7 Heat Up Cool Down Cycle Time Table ossee 3 5 8 Connecting the BB702 to a Computer s Serial Port 0 0 0 0 4 1 9 Internal Reference Probe Connections H res 6 1 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 BB702 Introduction Section 1 Introduction 1 2 Your BB700 Series Blackbody Calibration Source has been designed for ea
6. 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 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
7. now exits the programming menu and return to the normal operating mode To change settings on other menu levels you must re enter the programming menu from step 1 Putting the Controller In or Out of Standby Mode To enter the Standby mode hold the key for 4 seconds until the window flashes StbY 2 To exit the Standby mode hold the key for 4 seconds until the window flashes tUne Then press the key for 4 seconds again until tUne stops flashing Figure 6 Programming Procedure 3 4 BB702 Operation g 3 5 3 6 Heat Up Cool Down Cycle Times Approximate cycle times for heat up and cool down are given in Fig 7 To find a transition time from one plate temperature to another follow this procedure Look for an initial temperature in the left column Next look for the final temperature along the top row The intersection of the row and column provides the approximate transition time n To 37 8C 121 1C 204 4C FROM 100F 250F 400F_ 005 gt 25 MIN 20 MIN Figure 7 Heat Up Cool Down Cycle Time Table Overheat Reset Switch If the unit is operated at high temperatures in elevated ambient temperatures an overheat condition may occur In an overheat situation a mechanical reset switch near the right handle hinge will pop and open the heater circuit The controller will still have power While the controller will be demanding heat from the heater the process temperat
8. of view of the pyrometer If the pyrometer is too far away it will scan unwanted surfaces outside of the perimeter of the target plate Holding the pyrometer too close could introduce undesirable heat to the IR detector of the pyrometer The BB704 target plate can be set to very high temperatures Exercise extreme caution when operating the unit Keep hands and fingers away from the target plate area Keep flammable products such as paper plastics and clothing far from the BB 04 3 BB702 Operation 3 2 3 2 ee P 1 D Control Proportional integral derivative control P I D is a temperature control algorithm used in high end temperature controllers The controller causes the process to attain the eine temperature by turning the process on or off The process may be a heater 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 fo Parameter Access Key Press to scroll through menu parameters a Raise Key Press to increase the selected parameter or scroll upward in the list of possible settings v Lower Key Press to decrease the selected parameter or scroll downwa
9. units gt CR LF Definitions This character initiates an escape sequence that the controller 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 ft 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 ora 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 V BB702 Maintenance Section 5 Maintenance 5 1 5 1 5 2 5 2 1 5 2 2 5 2 3 5 3 Calibration This unit has been fine tuned at the factory and calibrated to give optimum performance of its full temperature range
10. It is recommended that the unit be returned annually for re calibration Cleaning mg Ae 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 Target Plate Do not attempt to clean the target plate The target plate has a special coating applied and cleaning may change the emissivity and performance of your unit Fan The fan filter should be cleaned monthly as a minimum by washing the filter with warm water and then blowing dry with air It can be removed by firmly pulling the black plastic frame outward The internal protective grill that is seated against the fan can be cleaned with a soft bristle brush Fuse replacement mereme ae Disconnect all power from source before attempting fuse replacement gt 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 BB702 use 1 ea 250 VAC T1A Time Lag 1 Amp UL CSA APPROVED 0 25 dia x 1 25 long For model BB702 230VAC use 2 ea 250 VAC T0 5A Time Lag 0 5 Amp VDE APPROVED 5 mm dia x 20 mm long BB702 Reference Probe V Section 6 Reference Probe An electrically isolated 100 Class A RTD probe has been embedded into the target plate heater assembly to be used as a reference to check the c
11. Order number under which the 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 2006 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 I Find Everything I Need for Process Measurement and Control OMEGA Of Course hop online at omega com TEMPERATURE r Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies WA Wire Thermocouple RTD amp Thermistor lA Calibrators amp Ice Point References l Recorders Controllers amp Process Monitors WA Infrared Pyrometers PRESSURE STRAIN AND FORCE WA Transducers amp Strain Gages WA Load Cells amp Pressure Gages lA Displacement Transducers WA Instrumentation amp Accessories FLOW LEVEL lA Rotameters Gas Mass Flowmeters
12. alibrator s calibration and accuracy This feature is commonly used in conjunction with a precision thermometer ohmmeter or temperature recording device The maximum current being passed through the RTD should never exceed 0 3 mA constant DC A connector has been provided with your calibrator for connection to this reference probe Listed below are a few calibration points and the resistance readings you can expect from the reference probe Notice that at each temperature a given resistance will be measured at the reference port The resistance is measured across PIN1 PIN2 or across PIN1 PIN3 PIN2 and PIN3 are connected to the same side of the RTD Target Plate Temperature Reference Probe Resistance Ohms 100 C 212 F 138 51 149 C 300 F 156 96 204 C 400 F 17730 TARGET PLATE ASSEMBLY BLACK WIRE BLACK WIRE RTD REFERENCE PROBE REFERENCE PROBE CONNECTOR Figure 9 Internal Reference Probe Connections 7 BB702 Specifications Section 7 Specifications Target Plate Temperature Range Accuracy Stability Ambient Environmental Conditions Temperature Humidity Target Plate Size Target Plate Emissivity Internal Control Sensor Reference Sensor Warm up Time Cool down Time Power BB702 BB702 230VAC Dimensions Weight Certifications Installation Category II Amb 11 to 215 C Amb 20 to 420 F 0 5 C 0 25 rdg 0 9 F 0 25 rdg 0 1 C 0 2 F
13. bration sources in addition to the one you have selected This family of rugged portable 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 F 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 Cavi
14. ce your unit may void your warranty 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 1 2 BB702 Introduction 1 3 1 4 IEC symbols Description Caution risk of electric shock Caution refer to accompanying documents Caution hot surface 230 VAC 50 60Hz European Models 115 VAC 50 60Hz Domestic Models gt e eS Figure 1 IEC symbols Statement on C E Marking It is the policy of OMEGA to comply with all worldwide 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 certification General Description The Model BB702 is a portable rugged bench top blackbody calibration source with a built in precision PID digital controller The calibrator is used to test and calibrate infrared pyrometers The 2 5 inch Diameter target plate has an emissivity of 0 95 and can be set to any temperature betw
15. een ambient 11 to 215 C ambient 20 to 420 F BB702 Installation V 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 We can also be reached on the Internet at www omega com e mail cservice 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 A 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 e BB702 Blackbody Calibration Source e User s Manual e Calibration Certificate e Power Cord e Reference Port Cord Plug Connector 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 to 45 C 41 to 113 F Ambient Temperature The target plate of the BB702 can achieve any temperature within the specified temperature range when being operated in ambient temperature up
16. ega 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 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 BB702 Blackbody Calibrator VSN Table of Contents Section Q000000000000000000000000000000000000000000000000000000000000000000000000000000 Page CAL TN 1 1 VE onae E E pa enat 1 1 1 2 Safety Warnings and IEC Symbols uasanmuesabsssennnnenv 1 1 PODEN On CE MarK seS 1 2 EE De O EET 1 2 GK 1 RE RER 2 1 2 1 Unpacking and Inspection massens etenodne 2 1 PN r E TE ee 2 1 VA Tempera ER 2 1 TEN 2 2 NNN NNN 3 1 3 1 Front Panel Controls and Indicators rrrnrrnvnovnvnnenvrnenvnnenn 3 1 PDT UNN 3 2 35 Changing the Temperature SOQ 0 Ott cssc 3 3 3 4 Changing the Controller Parameters 0 ccc eee eee 3 3 39 Heat Up 7 Cool Down Cy Ce
17. le power cord with the proper color code and approvals is provided with stripped wire ends for connection to the proper connector used in your country or local area this connector is not provided Line voltage variations are not to exceed 10 of the rated input voltage Electrical connections and wiring should be performed only by suitably trained personal e To shut down the unit in an emergency the power cord can be disconnected from the AC outlet on the rear of the unit 2 2 BB702 Operation Section 3 Operation 3 1 Front Panel Controls and Indicators SETPOINT TEMPERATURE m PROCESS TEMPERATURE TARGET PLATE BOI PPPTTTTTIT Body 9000000000 Calibrator 0000000000 CE OMEGA Te t o o e 3 emperature 90 F 32 C 420 F 215 C ON STAND BY POWER Son re ao PARAMETER LOWER SETPOINT KEY ACCESS KEY RAISE SETPOINT KEY Figure 3 Front Panel Process Temperature This field displays the current temperature of the target plate Setpoint Temperature This field displays the desired target plate temperature Once the target plate reaches this desired temperature both displays will read the same value Target Plate The 4 0 target plate is a near ideal blackbody source The emissivity of the plate is 95 When calibrating an IR pyrometer hold the pyrometer perpendicular to the target plate for optimal performance The proper distance between the IR pyrometer and the target plate depends on the field
18. nded that baud rate for the controller be modified on the controller directly Note that both the BB702 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 Be sure not to use the XON XOFF or hardware handshaking Lastly it should be noted that following a complete transmission to the BB702 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 BB702 BLACKBODY CALIBRATOR COMPUTER SERIAL PORT RS232 Figure 8 Connecting the BB702 to a Computer s Serial Port BB702 Communications V Parameter List only relevant parameters shown PARE 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 k 2 6 0 7 600 odd 7 2 12 0 7 1200 odd 7 2 factory default settings 24 0 7 1200 odd 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 H controller id command parameter number lt new value gt lt
19. 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 OMEGAS 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 or 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
20. rd in the list of possible settings Mode Key Press to save settings and exit a menu level Back Panel Connections BA RTD REFERENCE PROBE CONNECTION o BE FAN RS 232 COMMUNICATIONS PORT AC MAINS POWER INPUT AND FUSE COMPARTMENT Figure 4 Back Panel BB702 Operation g AC Power Mains Input and Fuse Compartment The customer connects the power cord to the AC Power Input As a safety precaution the power cord cannot be connected if the fuse compartment is open Refer to Section 5 3 for information on fuse replacement Reference Probe Connection The reference probe enables the user to monitor the target plate temperature with an external instrument The wires are connected to a Class A 0 00385 RTD Sensor Refer to Section 6 for pinout details RS 232 Communications Port The female DB 9 port allows the customer to make a 3 wire RS 232 interface with the BB 702 A detailed description of this port is described in Section 4 3 3 Changing the Temperature Setpoint The layout of the front panel is shown in Figure 3 The BB702 incorporates a PID digital setpoint controller The upper display indicates the blackbody target plate temperature known as PV Process Variable while the lower display indicates the programmed setpoint known as SV Setpoint Variable Making changes to the setpoint units of measure and communication settings are made via the a and L keys Holding a key in continuously will ca
21. se of use and reliability whenever you have the need to test or calibrate non contact infrared temperature instruments It is important that you read this manual completely and follow all safety precautions before operating this instrument Precautions e Follow all safety precautions and operating instructions outlined in this manual If this instrument is not used in a manner specified by the manual the protection provided by the equipment may be impaired e Never leave your calibrator unattended when in use e Keep out of reach of all children e Never touch the target plate when hot e Never place any object within 3 inches of the cavity opening when hot e Do not operate in flammable or explosive environments e Never operate with a power cord other than the one provided with your unit e Check that the power cord is not cracked frayed or damaged before connecting to device and powering up e Remove and or disconnect main power before attempting any maintenance or fuse replacement e Do not connect and or operate this unit to a non grounded non polarized outlet or power source e Do not connect the serial port or reference probe port to equipment with exposed hazardous live voltages e Any connections to the serial port or reference port should be made with Class II insulation or better e Protect from moisture or rain Woo There are no user serviceable parts inside your unit Attempting to repair or servi
22. to 32 2 C 90 F When operating the unit at higher ambient temperatures the user must not exceed the Maximum Allowable Target Plate Temperature shown along the y axis in Figure 2 Failure to adhere to these guidelines may cause a safety switch inside the unit to open the heater circuit If the PID light is blinking or continu ously on but there is no increase in target plate temperature then the thermal safety switch has tripped In this case refer to Section 3 6 When ambient temper atures exceeds 32 2 C 90 F every increase in ambient temperature of 2 8 C 5 F must be accompanied by a decrease in maximum target plate temperature of 11 1 C 20 F i2 BB702 Installation AMBIENT TEMPERATURE C 29 4 32 2 35 0 37 8 40 6 43 3 46 2 420 400 193 3 380 182 2 360 171 1 340 MAXIMUM ALLOWABLE TARGET PLATE TEMPERATURE F MAXIMUM ALLOWABLE TARGET PLATE TEMPERATURE C 320 85 90 95 100 105 110 115 AMBIENT TEMPERATURE F Figure 2 Limitation of Maximum Setpoint Temperature at Elevated Ambient Temperature 2 4 Power Connection Standard 115 VAC 50 60 Hz models The BB702 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 provides the proper grounding and has been safety tested by the proper safety agencies International 230 VAC 50 60 Hz models On 230 VAC 50 60Hz models a European sty
23. ty Size 44 mm 1 75 in Power 115 230V 50 60 Hz 1100W BB 4A High Temperature Blackbody 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 10 1 NOTES 10 2 MADE ENI USA WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 25 months from date of purchase OMEGA s WARRANTY adds an additional one 1 month grace period to the normal two 2 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
24. ure will fall continuously until it equalizes with the room temperature If an overheat condition occurs let the unit cool off for one hour leave the unit on then press the reset button firmly If the reset switch keeps resetting call OMEGA s Customer Service Department at 203 359 2208 3 5 BB702 RS 232 Communications Section 4 RS 232 Communication The RS232 port allows customers to send Setpoint information to the BB702 and record process temperature from the BB702 via a computer The port enables 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 shielded cable be used between the computer and this instrument This will assure performance of the BB702 to EN61326 under the E M C requirements of the CE mark Note that multiple instruments cannot be tied to the same port in this configuration The RS 232 port is optically isolated to eliminate ground loop problems Below is a pinout diagram for the serial port of the BB702 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 BB702 The cable should be attached when the computer and BB702 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 recomme
25. use the setpoint temperature to advance more quickly to a desired value Three scanning speeds are provided slow medium and fast The minimum and maximum setpoints are locked 3 4 Changing the Controller Parameter Settings The BB702 operates at its optimum performance when left with its factory parameter settings The only internal parameter that the operator should need to change is the engineering units F or C or serial communications parameters Below are two figures a menu hierarchy with factory default settings b programming procedure Changing any parameter other than engineering units could defeat safety features of the unit rendering it unsafe to operate 3 BB702 Operation Wenuoo Menuot Menuoz Menuos Menua Menuos Key Lock SETPOINT Ac Cd Figure 5 Menu Hierarchy Showing Factory Default Settings Only the boldface parameters are active for the default mode of operation Changing the Controller s Parameter Settings Press the 1 key to enter the programming mode The lower display will alternately display the menu level and Ac Cd Use the LA and keys to change to the desired menu level Once you have chosen the desired menu use the QI key to scroll through the parameters To change the setting of a given parameter use the a and w keys To save settings press the key The controller
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