BB703 Blackbody Calibrator Manual
Contents
1. ne tens 3 3 Menu Hierarchy Showing Factory Default Settings 3 3 Programming Procedures 3 4 Approximate Target Plate Temperature Transition Times ucl Nc 3 4 BB703 Introduction Section 1 Introduction 1 2 Your BB700 Series Blackbody Calibration Source has been designed for ease 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 Follow all safety precautions and operating instructions outlined in this manual Never leave your calibrator unattended when in use Keep out of reach of all children Never touch the target plate when hot e Never place any object within 3 inches of the cavity 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 e Do not connect this unit to a non grounded non polarized outlet or power source e This unit is intended for indoor use only Avoid exposure to moisture There are no user serviceable parts inside your unit Attempting to repair or service your unit may void your warranty Safety Warnings and IEC2. YEAR USA CAREI m WARRANTY Extended Warranty Program s 230 VAC Model Only Shop online at X OMEGA WWW Omega e mail info omega com BB703 Blackbody Calibrator omega com 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 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 Espafiol 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 nl omega com Rud arm dy 1868 733 01 Karvin 8 420 0 69 6311899 FAX 420 0 69 6311114 Toll Free 0800 1 66342 e mail czech omega com 9 rue Denis Papin
3. 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 on the right side panel will po and bu circuit The E T lus RESET SWITCH controller will still have power While the controller will be demanding heat from the heater FRONT the process temperature will fall continuously until it equalizes HANDLE with the room temperature If an IN RETRACT POSITION overheat condition occurs let the unit cool off for one hour leave the unit then press the reset button firmly Figure 5 Overheat Reset Switch Changing the Temperature Setpoint The layout of the front panel 15 shown in Figure 3 The 703 incorporates a PID digital setpoint controller In the default mode the digital display indicates the blackbody target plate temperature known as PV Process Variable Holding down the modify key causes the display to show the programmed setpoint known as SV Setpoint Variable Making changes to the setpoint units of measure and communication settings are made by pressing the MODIFY key in conjunction with the INCREASE or DECREASE key Holding the MODIFY key and INCREASE DECREASE key for an extended period will cause 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 at 32
4. 8 5 1 2 Sechomn 2 Meala 2 1 2 1 Unpacking Inspection sese spenrbnspenesetroretunt 2 1 I MON 271 E 2 1 24 Power 2 2 5echon OPCAO saan tcc 3 1 3 1 Front Panel Controls and Indicators 3 1 3 2 Back Panel Connections 3 2 Dot verhear Reset 3 3 3 4 Changing the Temperature erect 3 3 3 5 Changing the Controller Parameters 3 3 3 6 Target Plate Temperature Transition Graph 3 4 SCCHON 4 Maintenance 4 1 TIC rere ene eee eee ere ee eee eee UE LE 4 Ae PINE AINA 4 A IM Want DOA D E 4 Be VOLO VOUS MM MR 4 1 M re 4 e Ae nud d T 4 Section 5 Specifications 5 1 Section 6 Troubleshooting Guide 6 1 Section 7 Glossary of Terms Used in This Manual 7 1 The OMEGA Family of Blackbody Calibrators 7 2 Table of Figures BB703 Blackbody Calibrator Table of Figures Figure Description Page liu die ool c 1 2 Limitation of Maximum Setpoint Temperature at Elevated 2 2 EPOD 3 1 cigs een Sr 3 2
5. 78190 Trappes 33 0 130 621 400 FAX 33 0 130 699 120 Toll Free in France 0800 4 06342 e mail france omega com 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 germany omega com One Omega Drive River Bend Technology Centre Northbank Irlam Manchester M44 5EX 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 patient connected applications BB703 Blackbody Calibrator Table of Contents Section 000000000000000000000000000000000000000000000000000000000000000000000000000 Sechon E Inod OTI oae pridie erri deca tercie 1 1 E DIN ARAM dE 1 1 1 2 Safety Warnings and Symbols re rrt ttes 1 1 L 55tdtemeubon CE 1 2
6. BB703 110 120 VAC 50 60 Hz 175W BB703 230VAC 208 240 VAC 50 60 Hz 175W Internal Control Sensor Platinum RID 100 Q 00385 Accuracy 1 4 C x2 5 F Resolution 0 1 Stability 0 3 C 0 5 Display Accuracy 0 3 0 6 F over entire range RTD Accuracy 0 38 C x 0 75 F worst case Target Plate Emissivity 0 97 Heat Up Time 10 min 25 seconds from 37 8 C to 398 from 100 F to 752 F Dimensions 5 W x 2 2 H x 6 1 D 127 x 56 x 155 mm Weight 2 4 LBS 1 09 KG Certifications CE BB703 230VAC ONLY Maximum setpoint must be reduced when operating at ambient temperatures in excess of 24 7 C 76 4 F See Section 2 3 BB703 Troubleshooting Guide Section 6 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 plate will not get hot or cold 4 Target plate temperature will not stabilize to within 5 F of the setpoint temperature Solution a Check all electrical connections b Check rear panel fuse s c Unit requires service contact our customer service department a Check that you have entered a setpoint above the ambient temperature b Verify that the controller is set to its factory default settings c Unit requires service contact our customer service department d Unit has been operated outside of operating range Safety cutoff switch has
7. Section 2 Installation 2 1 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 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 Item OMEGA Part Number BB703 Blackbody Calibration Source BB703 or BB703 230 User Manual M 3265 Calibration Certificate CAL 3 3 DATA POINTS Power Cord 200 0028 Domestic 200 0107 International Soft Storage Case IR 0019 2 2 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 front rear or side panel Operate the unit in an ambient environment between the specified 32 to 104 F 0 to 40 2 3 Ambient Temperature The target plate of the BB703 can achieve any temperature within the specified temperature range of ambient 20 to 752 F ambient 10 to 40 when be
8. Gages WA Load Cells amp Pressure Gages lA Displacement Transducers WA Instrumentation amp Accessories FLOW LEVEL lA Rotameters Gas Mass Flowmeters amp Flow Computers WA Air Velocity Indicators WA Turbine Paddlewheel Systems 4 Totalizers amp Batch Controllers pH CONDUCTIVITY M pH Electrodes Testers amp Accessories WA Benchtop Laboratory Meters WA Controllers Calibrators Simulators amp Pumps WA Industrial pH amp Conductivity Equipment DATA ACQUISITION WA Data Acquisition amp Engineering Software WA Communications Based Acquisition Systems WA Plug in Cards for Apple IBM amp Compatibles lA Datalogging Systems IA Recorders Printers amp Plotters HEATERS lA Heating Cable 4 Cartridge amp Strip Heaters lA Immersion amp Band Heaters WA Flexible Heaters WA Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL IH Metering amp Control Instrumentation lA Refractometers WA Pumps amp Tubing WA Air Soil amp Water Monitors lA Industrial Water amp Wastewater Treatment WA pH Conductivity amp Dissolved Oxygen Instruments M3265 1000
9. 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 1 2 BB703 Introduction 1 3 1 4 Caution refer to accompanying documents Caution hot surface 230 VAC 50Hz European Models 115 VAC 60Hz Domestic Models Figure 1 IEC symbols Statement on 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 certification General Description The Model 703 is a portable rugged bench top hot blackbody calibration source with a built in precision PID digital controller The calibrator is used to test and calibrate infrared pyrometers The 1 125 diameter target plate has an emissivity of 97 and can be set to any temperature between ambient 20 to 752 F ambient 11 to 398 BB703 Installation V
10. and 752 F 0 and 398 C respectively While these max and min settings are changeable see Changing the Internal Parameters Section 3 4 it is strongly advised not to adjust these parameters Changing the Controller Parameter Settings The 703 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 NOTE or a next to parameter means that this parameter is custom calibrated for each unit at the factory The values for these parameters in the figure are arbitrarily chosen Figure 6 Menu Hierarchy Showing Factory Default Settings 3 3 v BB703 Operation 3 6 3 4 engineering units or or display resolution XXX XXX X or X XX Following are two diagrams a menu hierarchy with factory default settings b programming procedure 1 To enter programming menu hold down the and keys simultaneously for 3 seconds Upon entering the menu the user is always located at the tUnE parameter This is the first parameter of MENU1 2 Use the and Y keys to scan through the various parameters on a given menu level 3 Use the amp key together with the key or the key to change a given parameter 4 To change menu levels scan to the first parameter on a given menu level using the key Next hold down the key in addition to t
11. disabled heater Unit should be sent back to factory for reset and safety check 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 VW BB703 Glossary of Terms Used in This Manual Section 7 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 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
12. 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 DOC 1733 Temperature Range 18 to 150 C 0 to 300 F Accuracy 0 8 C 1 4 F Emissivity 98 Ambient Temp 4 to 43 C 40 to 85 F Cavity Size 64mm 2 5 inches Power 120 or 230 VAC 50 60 Hz BB702 2 5 Target Plate Blackbody Calibration Source DOC 1733 Temperature Range amb 10 to 216 C amb 20 to 420 F Accuracy 0 5 C 9 F 0 25 of rdg Emissivity 96 Ambient Temp 0 to 50 C 32 to 122 F Cavity Size 64mm 2 5 inches Power 120 or 230 VAC 50 60 Hz BB703 Mini Blackbody Calibration Source DOC 1789 Temperature Range amb 10 to 400 C amb 20 to 752 F Accuracy 1 0 C 1 8 F Emissivity 97 Ambient Temp 32 to 104 C 0 to 40 F Cavity Size 28 6mm 1 125 inches Power 120 or 230 VAC 50 60 Hz BB704 4 Target Plate Blackbody Calibration Source DOC 1788 Temperature Range 100 to 399 C 212 to 750 F Accuracy 0 8 C 1 4 F Emissivity 96 Ambient Temp 0 to 50 C 32 to 122 F Cavity Size 44 45mm 1 75 inches Power 120 or 230 VAC 50 60 Hz BB705 Laboratory Grade Blackbody Calibration Source 1759 Temperature Range 100 to 1046 C 212 to 1915 F Accuracy 25 of reading 1 0 C Em
13. temperature the hot or cold process will be pulsed to reduce the corrective measures and minimize overshooting The controller provides a visual rep resentation of the process status through LED indicators An indicator may a lit continuously blink or shut off entirely to indicate that the process is on being pulsed or off respectively Modify Key Press to view and change setpoint Decrease Key Press in conjunction with Modify Key in order to decrease setpoint 4 Increase Key Press in conjunction with Modify Key in order to increase setpoint Back Panel Connections FUSES POWER N SWITCH FAN POWER CORD EXHAUST SOCKET Figure 4 Back Panel AC Power Input 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 3 5 for information on fuse replacement 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 only activate when the target plate is been brought up to a high temperature for a period of about five minutes BB703 Operation v 3 3 3 4 3 5 In the STANDBY mode the unit is powered down except for the fan and fan thermostat If the unit has been operated at high temperature and is then put into standby mode the fan will still run until the target plate has cooled down to room temperature
14. 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 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 indemnifica
15. brating 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 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 BB703 s 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 BB703 The BB703 is a Class instrument It is intended to be operated in laboratory environment only Never operate the unit outside or around children Nothing should come in contact with the target plate Even when the unit is off Never unplug the unit while it is on or during Cool Down P l D Indicator When this light is illuminated the unit is heating up the target plate v BB703 Operation 3 2 3 2 on P I 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 temperature by turning the process on or off The process may be a heater or refrigerator As the process temperature approaches the setpoint
16. he amp key or the key to go to a different menu level 5 To leave the programming menu and return to the normal operation mode hold down the and keys simultaneously 6 All parameters are saved even when power is removed from the unit Figure 7 Programming Procedures Approximate Target Plate Temperature Transition Graph The 703 heat up and cool down characteristics are illustrated in the following graph The graph illustrates the approximate time required to make a transition from one plate temperature to another First determine the current plate temperature and go to the corresponding row Now 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 150 300 F 450 F 600 F 750 F 150 F lt lt 18 min 300 F 17 min 6min 15 min 16 148 9 C 3 in in in in 600 F 38 19 min 18min 18 min 915656 750 F 40 min 24 min 20min 16 998 9 C 148 9 232 2 315 6 C 398 9 C FROM C Figure 8 Approximate Target Plate Temperature Transition Times BB703 Maintenance V 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 i
17. ing operated in ambient temperatures up to 76 4 F 24 7 C 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 continuously on but there is no increase in target plate temperature then the thermal safety switch has tripped In this case refer to Section 3 3 BB703 Installation 24 7 AMBIENT TEMPERATURE C 40 0 23 9 ic 26 7 29 4 32 2 35 0 37 8 0 6 750 T o UM 0 D ui 02 io amp e lt lt coo LIE ETE SETTE ESESIEE lt lt o B 0 O 6 0 ES l iz dz lt q F 650 lt H u lt 630 shee 4 RATNG 4 X B 510 REGIONE LL NT x 6 ir ERE E B ir E ERES E EE 590 5 _ HEHHE mE 1 E EAE 0 L1 1 1 1 1 IET 75 80 85 90 95 100 h 05 76 4 AMBIENT TEMPERATURE F 104 0 Figure 2 Limitation of Maximum Setpoint Temperature at Elevated Ambient Temperatures An increase in ambient temperature of 1 F reduces the maximum allowable target plate temperature by 6 7 F An increase of 1 C is accompanied by a
18. issivity 985 or better Ambient Temp 32 to 110 F Cavity Size 44mm 1 75 inches Power 120 or 230 VAC 50 60 Hz BB 4A High Temperature Blackbody Calibration Source 1730 Temperature Range 100 to 982 C 212 to 1800 F Accuracy 0 7 C 1 2 F Emissivity 98 to 99 Ambient Temp 0 to 50 C 32 to 122 F Cavity Size 22mm 88 inches Power 120 or 230 VAC 50 60 Hz To receive by fax a complete updated specification sheet and price on any of the calibrators listed here call the OMEGAFAX On line Publishing Service at 1 800 848 4271 and request the DOC shown with each unit Please call our sales or customer service department for information and pricing on any new models available wv BB703 Notes Notes 7 3 MADE USA WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 37 months from date of purchase OMEGA s WARRANTY adds an additional one 1 month grace period to the normal three 3 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
19. n decrease in minimum target plate temperature of 3 7 C 2 4 Power Connection Standard 120 VAC 50 60 Hz models The BB703 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 an International style 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 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 above 2 2 BB703 Operation v Section 3 Operation 3 1 Front Panel Controls and Indicators 0 INDICATOR PROCESS TARGET VENT SETPOINT TEMP PLATE DISPLAY BLACK POINT Blackbody MODIFY DECREASE INCREASE KEY KEY KEY Figure 3 Front Panel Process Temperature Setpoint Temperature Display In the default mode the display will show the process temperature i e the target plate temperature When the modify key is held down the setpoint temperature is displayed Target Plate The 1 125 target plate is a near ideal blackbody source The emissivity of the plate is 97 When cali
20. on available BEFORE for current repair charges Have the following contacting OMEGA information available BEFORE contacting OMEGA 1 Purchase 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 2000 OMEGA ENGINEERING INC 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 RFO699B Where Do Find Everything Need for Process Measurement and Control OMEGA Of Course Shop online at www omega com TEMPERATURE Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies WA Wire Thermocouple RTD amp Thermistor lA Calibrators amp Ice Point References HU Recorders Controllers amp Process Monitors WA Infrared Pyrometers PRESSURE STRAIN AND FORCE WA Transducers amp Strain
21. s 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 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 guard should be cleaned as a minimum annually by using a compressed air source Fuse replacement Dx ___ Disconnect all power from source before attempting fuse replacement For continued protection S the risk of fire replace with only the same size type and rat ing fuse indicated here and on the rear panel of your unit For model BB703 use 1 ea 250 VAC F2A Fast Acting 2 A VDE APPROVED 5mm dia x 20mm long For model BB703 230VAC use 2 ea 250 F1A Fast Acting 1A VDE APPROVED 5mm dia x 20mm long Note that for the BB703 230VAC 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 v BB703 Specifications Section 5 Specifications 5 1 Target Plate Temperature Range Ambient 11 C to 40 C Ambient 20 F to 752 F Ambient Environmental Conditions Temperature 0 to 40 C 32 to 104 F Humidity 0 to 90 RH non condensing Power
22. tion strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA 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 INOUIRIES 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 informati
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