Fluke 5725A Getting Started Manual
Contents
1. 6 Front Panel Features 7 Rear Panel Features 5725A Getting Started vi Introduction The Fluke 5725A Amplifier enhances the 5700A Calibrator in the ac voltage ac current and dc current functions The 5725A operates under complete control of the 5700A through an interface cable supplied with the 5725A Figure 1 illustrates the extended ac volt hertz product achieved by using a 5725A Increased ac voltage load limits allow using the 5700A Calibrator in systems with long cables Voltage output from the 5725A is available at the 5700A Calibrator front or rear binding posts This eliminates the need to move cables during a procedure that requires amplified as well as standard calibrator outputs The 5725A front or rear panel OUTPUT binding posts are only for current output Extended range ac and dc current Getting Started is supplied through them Since most meters with a high current range use a separate high current input terminal this configuration normally eliminates the need to move cables during a procedure If a single point current output is needed the 5700A Calibrator can be configured to source all current outputs through the 5725A binding posts Enhancements to 5700A ac voltage output capability provided by the 5725A are as follows e Frequency limits at higher voltage increase to 100 kHz at 750V 30 kHz at 1100V e Load limits are to 70 mA for frequen2. 5700A 5720A Series Il Operator Manual esee 5700A 5720A Series ll Operator Reference QUIN coooocccnnnoccccnoccconononcncnnnnnnnnnnnoos 5700A 5720A Series ll Remote Programming Reference Guide 5700A 5720A Series Il Service Manual General SpecifiCatioNS essen nennen nennen Unpacking and Inspection i Service Information su 5 erret tte ec e aa ta Placement and Rack Mounting eene emen Cooling Considerations essere nennen nennen nene Connecting to the 5700A Calibrator sss 5725A Getting Started Selecting Line Voltage nor nac Accessing the F se aussen S Connecting to Line Power Front Panel Features ii Rear Panel Features ii ii List of Tables Table Title Standard Equipment Page 8 Line Power Cord Types Available from Fluke 9 Front Panel Features i PO Di Rear Panel Features iii 5725A Getting Started List of Figures Figure Title 1 5700A Dimensions iniisa n e ia iraa h IEN a p iiNet 2 Line Power Cords Available for Fluke Instruments 3 Correct Way to Dress Interface Cable 4 Line Power Label and Switch LoCAati0N ccccccccccccccccnononononononononononononononononononononononononnnos 5 ACCESSING ING FUSE c
3. e This device must accept any interference received including interference that may cause undesired opera tion There is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of more of the following measures e Reorient the receiving antenna e Relocate the equipment with respect to the receiver e Move the equipment away from the receiver e Plug the equipment into a different outlet so that the computer and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional sug gestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Govern ment Printing Office Washington D C 20402 Stock No 004 000 00345 4 Declaration of the Manufacturer or Importer We hereby certify that the Fluke Model 5725A Amplifier is in compliance with BMPT Vfg 243 1991 and is RFI suppressed The normal operation of some equipment e g signal generators may be subject to specific re strictions Please observe the notices in the users manual The marketing and sales of the equipment was re ported to the
4. Amplifier Connecting to Line Power N Warning To avoid shock hazard connect the factory supplied three conductor line power cord to a properly grounded power outlet Do not use a two conductor adapter or extension cord this will break the protective ground connection After verifying that the line voltage selection switches are correctly set verify that the correct fuse is installed Connect the 5725A to a properly grounded three prong outlet 18 Front Panel Features Front panel features are called out in Figure 6 and are described in Table 3 Getting Started Front Panel Features VOLTAGE MODE CURRENT MODE 5725A STANDBY FAULT OVERLOAD CABLE OFF aq6f eps Figure 6 Front Panel Features 19 5725A Amplifier mos Table 3 Front Panel Features CURRENT OUTPUT Binding Posts The source of all amplified current if the 5725A is configured for front output You can set the 5700A to source all unamplified as well as amplified current through these binding posts The LO binding post is isolated from ground when in the current function and is open circuited at other times Cable and connection recommendations are made in Chapter 4 of the 5700A 5720A Series Il Operator Manual 5725A STANDBY Indicator Lit whenever the 5725A is in any of three standby modes This indicator is lit alone in standby mode it is lit at the same time as VOLTAGE MODE in voltage standby mode and it is lit
5. C 70 to 40 C 40 to 50 C Storage lt 95 non condensing Safety Designed to comply with UL1244 1987 IEC 348 1978 IEC 66E CO 4 CSA 556B Guard isolation 20 volts EMI RFI Designed to comply with FCC Rules Part 15 Subpart J Class B VDE 0871 Class B Reliability MIL T 28800D para 3 13 3 Line Power 47 to 63 Hz 10 allowed about selectable nominal line voltage 100V 110V 115V 120V 200V 220V 230V 240V Maximum power 5700A 300 VA 5725A 750 VA Electromagnetic Compatibility This instrument is designed to operate in Standards Laboratory environments where in electromagnetic is highly controlled If used in areas with RF fields gt 0 78 V m there could be errors in measurements Size 5700A Height 17 8 cm 7 in standard rack increment plus 1 5 cm 0 6 in for feet Width 43 2 cm 17 in standard rack width Depth 63 0 cm 24 8 in overall 57 8 cm 22 7 in rack depth 5725A Height 13 3 cm 5 25 in Width and depth same as 5700A Both units project 5 1 cm 2 in from rack front Weight 5700A 27 kg 62 lbs 5725A 32 kg 70 lbs Getting Started General Specifications kK 43 2 cm 17 in gt i 6 35 cm 2 5 in lt j 63 cm 24 8 in ZL l FOR CABLE ACCESS Figure 1 5700A Dimensions 5725A Amplifier Unpacking and Inspection ZA Warning The 5725A amplifier is capable of supplying lethal voltages
6. Central Office for Telecommunication Permits BZT The right to retest this equipment to verify compliance with the regulation was given to the BZT Bescheinigung des Herstellers Importeurs Hiermit wird bescheinigt da Fluke Models 5725A Amplifier in bereinstimung mit den Bestimmungen der BMPT AmtsbIVfg 243 1991 funk entst rt ist Der vorschriftsm ige Betrieb mancher Ger te z B Me sender kann allerdings gewissen Einschr nkungen unterliegen Beachten Sie deshalb die Hinweise in der Bedienung sanleitung Dem Bundesamt f r Zulassungen in der Telekcommunikation wurde das Inverkehrbringen dieses Ger tes angezeigt und die Berechtigung zur berpr fung der Seire auf Einhaltung der Bestimmungen einger umt Fluke Corporation OPERATOR SAFETY SUMMARY A WARNING 4 HIGH VOLTAGE is used in the operation of this equipment LETHAL VOLTAGE may be present on the terminals observe all safety precautions To avoid electrical shock hazard the operator should not electrically contact the output hi or sense hi bind ing posts During operation lethal voltages of up to 1100V ac or dc may be present on these terminals Whenever the nature of the operation permits keep one hand away from equipment to reduce the hazard of current flowing thought vital organs of the body Terms in this Manual This instrument has been designed and tested in accordance with IEC Publication 348 Safety Requirements for Electronic Measuring Apparatus
7. Do not touch the 5700A output terminals Read this section before operating the 5725A The 5725A is shipped in a container that is specially designed to prevent damage during shipping Inspect the 5725A carefully for damage and immediately report any damage to the shipper Instructions for inspection and claims are included in the shipping container If you need to reship the 5725A use the original container If it is not available you can order a new container from Fluke by identifying the amplifier s model and serial number When you unpack the 5725A check for all the standard equipment listed in Table 1 Report any shortage to the place of purchase or to the nearest Technical Service Center Visit Fluke web site for Service Center locations If performance tests are required for your acceptance procedures refer to Chapter 3 of the 5700A 5720A Series Il Service Manual for instructions Line power cords available from Fluke are listed in Table 2 and illustrated in Figure 2 Table 1 Standard Equipment Item Amplifier Line Power Cord Shielded 5700A 5725A Interface Cable 5725A Getting Started Manual 5725A CD ROM contains Instruction Manual Spare 4A 250V Fuse Certificate of Calibration Model or Part Number 5725A See Table 2 and Figure 2 842901 1780175 1780182 216846 No Part Number Getting Started Unpacking and Inspection Table 2 Line Power Cord Types Available from Fluke TYP
8. IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA ARISING FROM ANY CAUSE OR THEORY Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential dam ages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court or other decision maker of competent jurisdiction such holding will not affect the validity or enforceability of any other provision Fluke Corporation Fluke Europe B V P O Box 9090 P O Box 1186 Everett WA 98206 9090 5602 BD Eindhoven U S A The Netherlands 11 99 To register your product online visit register fluke com Interference Information This equipment generates and uses radio frequency energy and if not installed and used in strict accordance with the manufacturer s instructions may cause interference to radio and television reception It has been type tested and found to comply with the limits for a Class B computing device in accordance with the specifications of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference in a residential installation Operation is subject to the following two conditions e This device may not cause harmful interference
9. Il Operator Reference Guide contains a summary of operating instructions from the Operator Manual This booklet contains information needed to start up and operate the 5700A but since the 5700A controls the 5725A much of this information applies to the 5725A 5700A 5720A Series Il Remote Programming Reference Guide The 5700A 5720A Series Il Remote Programming Reference Guide contains a summary of remote commands for the 57004 It also contains information needed to determine system status using the status byte and registers Remote commands and system status apply to a 5725A under control of the 5700A 5700A 5720A Series Il Service Manual The 5700A 5720A Series Il Service Manual is a maintenance guide for the 5700A The following 5725A topics are included in the 5700A 5720A Series Il Service Manual e Specifications for both the 5700A and 5725A e Full verification of the 5700A and 5725A recommended every two years e Calibration of the 5700A and 5725A 5725A Amplifier General Specifications Warm Up time 2 X the time since last warmed up to a maximum of 30 minutes System installation Rear output configuration and rack mount kit available Standard interfaces IEEE 488 RS 232 5725A 5205A or 5215A 5220A phase lock in BNC phase reference out BNC Temperature performance Operating 0 C to 50 C Calibration 15 C to 35 C Storage 40 C to 75 C Relative humidity Operating 80 to 30
10. connection by way of the grounding conductor in the power cord is essential for safe operation Use the Proper Power Cord Use only the power cord and connector appropriate for proper operation of a 5725A in your country Use only a power cord that is in good condition Refer cord and connector changes to qualified service personnel Do Not Operate in Explosive Atmospheres To avoid explosion do not operate the 5725A in an atmosphere of explosive gas Do Not Remove Cover To avoid personal injury or death do not remove the 5725A cover Do not operate the 5725A without the cover properly in stalled There are no user serviceable parts inside the 5725A so there is no need for the operator to ever remove the cover Do Not Attempt to Operate if Protection May be Impaired If the 5725A appears damaged or operates abnormally protection may be impaired Do not attempt to operate it When is doubt have the instrument serviced SERVICING SAFETY SUMMARY FOR QUALIFIED SERVICE PERSONNEL ONLY Also refer to the preceding Operator Safety Summary Do Not Service Alone Do not perform internal service or adjustment of this product unless another person capable of rendering first aid and resuscitation is present Use Care When Servicing With Power On Dangerous voltage exist at many points inside this product To avoid personal injury do not touch exposed connec tions and components while power is on Whenever the nature of the operation pe
11. fuse for operating voltages of 110 90 to 132 and 220 180 to 264 volts ac Refer to Accessing the Fuse for the fuse replacement procedure 6 Line Voltage Selection Switches Select the operating line voltage Refer to Selecting Line Voltage for instructions on how to select operating line voltage Fuse Holder The line power fuse Refer to Accessing the Fuse for fuse rating information and the fuse replacement procedure CHASSIS GROUND Connector If the 5725A is the location of the ground reference point in a system the CHASSIS GROUND binding post can be used for connecting other instruments to earth ground The chassis is connected to earth ground through the three conductor line cord 9 Line Power Input A grounded male three prong connector that accepts the line power cord 24 Getting Started Turning on the 5725A Amplifier A Warning To avoid electric shock make sure the 5725A is safely grounded as described in Chapter 2 of the Instruction Manual N Caution Before turning the 5725A on make sure that the line voltage selection switches are set properly for your line voltage Refer to Figure 4 or the line voltage switch label and check the line voltage setting now if you have not already done so When you turn on the 57254 all six front panel indicators light briefly and the 5725A undergoes a self test If the self test fails a fault message on the 5700A Control Display identifies t
12. line power and interface cabling this manual Controls indicators and binding posts this manual 5725A service information Chapters 4 through 9 of the Instruction Manual Operating the amplifier Chapter 3 of of the Instruction Manual Cabling to a Unit Under Test Chapter 4 of the 5700A 5720A Series Il Operator Manual Self calibration Chapter 7 of the 5700A 5720A Series Il Operator Manual Full verification Chapter 3 of the 5700A 5720A Series Il Service Manual IEEE 488 or serial remote operation Chapter 5 of the 5700A 5720A Series Il Operator Manual 5700A 5725A specifications Chapter 1 of the 5725A Instruction Manual Theory of operation Chapter 4 and 9 of the 5725A Instruction Manual Troubleshooting Chapter 6 of the 5725A Instruction Manual Ordering a part Chapter 8 of the 5725A Instruction Manual 5725A Amplifier How to Use the Manuals The following paragraphs describe how each manual addresses the 5725A 5725A Getting Started Manual Use this manual for basic getting started information contacting Fluke unpacking and general specifications This manual also provides setup and operation information for the 5725A Amplifier descriptions of the 5725A front and rear panel features and information about setting up and powering up the 5725A Please read this information before operating the amplifier 5725A Instruction Manual Use the 5725A Instruction Manual for installing the 5725A learning about its front and rear panel fe
13. verify that refer to Figure 5 and proceed as follows the correct fuse is installed for the line voltage setting Acceptable fuse types are 1 Turn off the POWER switch and disconnect the line Bussman type MTH or Littelfuse type 312 or power cord from ac line power equivalent of the appropriate amperage TN rating Use only a 4A 250V fast blow fuse 2 did m er d a in the slot when the line voltage selection switches are of the fuse holder labeled FUSE set in the range 200 240V 3 Turn the screwdriver counterclockwise until the cap and fuse pop free Note pop A spare 4A 250V fuse is shipped with the 5725A 4 To reinstall the fuse reverse this procedure to ensure that one is available for use on the 200 240V range 16 Getting Started Accessing the Fuse WARNING GROUNDING CONNECTOR IN POWER CORD MUST BE CONNECTED TO ENSURE PROTECTION FROM ELECTRONIC SHOCK a763 He T50VA MAX CHASSIS GROUND O CAUTION ron FIRE PROTECTION REPLACE ONLY WITH A 250V FUSE OF INDICATED RATING VOLTAGE SELECTION S2 s3 sa 100v m m3 ma 110v mm us mm Figure 5 Accessing the Fuse JOHN FLUKE MFG CO INC MADE NUSA PATENTS PENDING NO INTERNAL USER SERVICEABLE PARTS REFER SERVICE TO QUALIFIED SERVICE PERSONNEL TO CLEAN FILTER REMOVE FROM INSTRUMENT A O FLUSH WITH WARM SOAPY WATER 5700A CALIBRATOR CURRENT OUTPUT ow sta MAX CALIBRATION CH ENABLE NORMAL aq5f eps 17 5725A
14. E VOLTAGE CURRENT FLUKE OPTION NUMBER North America 120V 15A LC 1 North America 240V 15A LC 2 Universal Euro 220V 16A LC 3 United Kingdom 240V 13A LC 4 Switzerland 220V 10A LC 5 Australia 240V 10A LC 6 South Africa 240V 5A LC 7 5725A Amplifier Figure 2 Line Power Cords Available for Fluke Instruments Getting Started Service Information Service Information Each 5725A Amplifier is warranted to the original purchaser for a period of one year beginning on the date received The warranty is located at the front of this manual Factory authorized service and technical advice for the 5725A is available at Fluke Service Centers A complete list of service centers is available at www fluke com ZA Warning Servicing described in this manual is to be done by qualified service personnel only To avoid electrical shock do not service the 5725A unless you are qualified to do so The owner may choose to repair a 5725A using the troubleshooting information in Chapter 7 of the Instruction Manual to isolate a faulty module then use the Module Exchange Program Refer to the Fluke catalog or contact a Service Center representative for the module exchange procedure Placement and Rack Mounting You can stack the 5725A on top of or below the 5700A Calibrator Choose the configuration that provides the easiest access to the 5700A Calibrator controls Or you can mount the 5725A in a standard wi
15. FLLIKE 5725A Amplifier Getting Started PN 1780175 June 2002 2002 Fluke Corporation All rights reserved Printed in USA All product names are trademarks of their respective companies LIMITED WARRANTY AND LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is one year and begins on the date of shipment Parts product repairs and services are warranted for 90 days This warranty extends only to the original buyer or end user customer of a Fluke authorized reseller and does not apply to fuses disposable batteries or to any product which in Fluke s opinion has been misused altered neglected contaminated or damaged by accident or abnormal conditions of operation or handling Fluke warrants that soft ware will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Fluke does not warrant that software will be error free or operate without interruption Fluke authorized resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price Fluke reserves the right to invoice Buyer for impo
16. Proceed as follows to connect the 5725A to the 5700A 1 Turn the power off for both instruments and disconnect their line power cords 2 Connect either end of the interface cable to the 5725A connector labeled 5700A Dress the cable only as Figure 3 shows The figure shows how to dress the cable in installation arrangements with the 5725A on top or bottom 3 Connect the other end to the 5700A connector labeled 5725A The 5700A 5725A interface cable provides all the digital and analog control signals for the amplifier and it provides conductors to route amplified voltage to the 5700A OUTPUT binding posts Getting Started Connecting to the 5700A Calibrator 5725A AMPLIFIER 5700A CALIBRATOR 5700A 5725A CALIBRATOR AMPLIFIER aq3f eps Figure 3 Correct Way to Dress Interface Cable 13 5725A Amplifier Selecting Line Voltage The 5725A arrives from the factory configured for the line voltage normally appropriate for the country of purchase or as specified at the time of purchase Check the line power label on the rear panel of the 5725A to verify that the line voltage matches local line power Figure 4 shows the location of the line power label and switches and the switch settings for each line voltage 14 The 5725A can be set to operate from eight different nominal line voltages each voltage setting has a voltage tolerance of 10 and a frequency range of 47 to 63 Hz The line vol
17. This manual contains information and warnings which have to be followed by the user to ensure safe operation and to retain the instrument in safe condition AWarning statements identify conditions or practices that could result in personal injury or loss of life A Caution statements identify conditions or practices that could result in damage to the equipment or other property Symbols Marked on Equipment 4 DANGER High Voltage i Protective ground earth terminal A Attention refer to the manual This symbol indicates that information about the usage of a feature is contained in the manual Power Source The 5725A is intended to operate from a power source that will not apply more than 264V ac rms between the supply con ductors or between either supply conductor and ground A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation Use the Proper Fuse To avoid fire hazard use only the fuse specified on the line voltage selection switch label and which is identical in type volt age rating and current rating Grounding the 5725A The 5725A is Safety Class grounded enclosure instruments as defined in IEC 348 The enclosure is grounded through the grounding conductor of the power cord To avoid electrical shock plug the power cord into a properly wired earth grounded receptacle before connecting anything to any of the 5725A or 5700A terminals A protective ground
18. at the same time as CURRENT MODE in current standby mode See 5725A Operating Functions and Modes in Chapter 3 of the Instruction Manual CURRENT MODE Indicator Lit when the 5725A is in current standby or current operate mode In current standby mode the STANDBY indicator is also lit See 5725A Operating Functions and Modes in Chapter 3 of the Instruction Manual VOLTAGE MODE Indicator Lit when the 5725A is in voltage standby or voltage operate mode In voltage standby mode the STANDBY indicator is also lit See 5725A Operating Functions and Modes in Chapter 3 of the Instruction Manual 20 Getting Started Front Panel Features POWER Switch Turns the power on and off The switch is a push push type the first push turns the power on and locks the switch in and the second push turns the power off and releases the switch CABLE OFF Indicator Lit when the 5700A 5725A interface cable is not connected or when the 5700A power is turned off This condition also lights the FAULT indicator OVERLOAD Indicator Lights on entering current operate mode in overcompliance conditions load not connected to the proper binding posts or load resistance too high The OVERLOAD indicator also lights on entering voltage operate mode if the load resistance is too low FAULT Indicator Lit whenever any fault condition is detected Normally a fault code and message appears on the 5700A Control Display when this happens Th
19. atures and for all service related topics such as maintenance troubleshooting parts lists and schematics The 5725A Instruction Manual is the service and operator manual for the 5725A Although the instruction manual also contains a section devoted to 5725A operating notes once the 5725A is up and running you will find that the 5700A 5720A Operator Manual contains most of the information you need to operate the 5725A 5700A 5720A Series Il Manual Set The 5700A 5720A Series Il Manual Set consists of a Getting Started Manual an Operator Reference Guide a Remote Programming Reference Guide and a CD ROM containing an Operators Manual and Service Manual in addition to all the other manuals provided in printed form 5700A 5720A Series Il Operator Manual The 5700A 5720A Series ll Operator Manual contains the following information pertaining to the 5725A e Specifications for both the 5700A and 5725A these same specifications are in this Instruction Manual e Cable connections to a UUT for amplified voltage and current e Front panel local operation e Remote control operation IEEE 488 or RS 232 e Self calibration e Fault codes these appear on the 5700A Control Display or are read from the 5700A in remote control operation e Calibration constant symbolic names e Glossary of calibration related terms Getting Started How to Use the Manuals 5700A 5720A Series Il Operator Reference Guide The 5700A 5720A Series
20. cies above 5 kHz and to 50 mA for frequencies less than 5 kHz e Capacitive load limits are increased to 1000 pF Model 5725A operating functions and ranges are as follows 5725A Amplifier e AC voltage 220 to 1100V rms up to 70 mA 50 mA lt 5 kHz 40 Hz to 30 kHz 220 to 750V rms up to 70 mA 30 kHz to 100 kHz e DC current 0 to 11A e AC current 1 to 11A rms 40 Hz to 10 kHz Contacting Fluke To contact Fluke call one of the following telephone numbers USA 1 888 99 FLUKE 1 888 993 5853 Canada 1 800 36 FLUKE 1 800 363 5853 Europe 31 402 678 200 Japan 81 3 3434 0181 Singapore 65 738 5655 Anywhere in the world 1 425 446 5500 Or visit Fluke s web site at Where to Go From Here The 5725A Instruction Manual provided on the CD ROM contains both operating and service information for the 5725A However because the 5725A operates under the control of the 5700A Calibrator most operating instructions for the 5725A are in the 5700A 5720A Series Il manuals Topics such as selecting output values connecting to a UUT Unit Under Test and self calibration are covered in the 5700A 5720A Series Il Operator Manual The list below gives some specific pointers and the text further on describes how to use all the manuals to find 5725A information Getting Started Where to Go From Here For More Information About Refer To Unpacking and setup this manual Installation and rack mounting this manual AC
21. dth 24 inch 61 cm deep equipment rack For bench top stacking the 5725A is equipped with non skid feet To mount the 5725A in an equipment rack order the accessory 5725A Rack Mount Kit Model Y5735 An instruction sheet is packed with the kit IN Caution Use only the rack mount slides included in the Y5735 kit Rack mount slides intended for other instruments can block the side ventilation holes on the 5725A and cause overheating 11 5725A Amplifier Cooling Considerations IN Caution Damage caused by overheating may occur if the area around the air intake is restricted the intake air is too warm or the fan filter becomes clogged Accuracy and dependability of all internal parts of the 5725A are enhanced by maintaining the coolest possible internal temperature By observing the following rules you can lengthen the life of the 5725A e The area around the fan filter must be at least 3 inches from nearby walls or rack enclosures e Exhaust perforations on the sides of the 5725A must be clear of obstructions Most of the heat exits from the side vents near the front e Air entering the instrument must be room temperature Make sure that exhaust from another instrument is not directed into the fan inlet e Clean the fan filter every 30 days or more frequently if the 5725A is operated in a dusty environment Instructions for cleaning the fan filter are in Chapter 6 12 Connecting to the 5700A Calibrator
22. e FAULT indicator also comes on with the CABLE OFF indicator when the 5700A 5725A interface cable is not connected In case of a FAULT indication check the 5700A 5725A interface cable connections make sure the 5700A power is on and check that the load is appropriate and connected to the correct binding posts Refer to the Instruction Manual under Service Information in Chapter 2 or in Chapter 7 Troubleshooting in case of a FAULT indication that appears to be a malfunction 21 5725A Amplifier Rear Panel Features Rear panel features are called out in Figure 7 and briefly described in Table 4 22 CHASSIS WARNING GROUNDING CONNECTOR IN POWER CORD MUST BE CONNECTED TO ENSURE PROTECTION FROM ELECTRONIC SHOCK 47 63 Hz 750VA MAX CAUTION ron FIRE PROTECTION REPLACE ONLY WITH A 250V FUSE OF INDICATED RATING VOLTAGE SELECTION JOHN FLUKE MEG CO IC MADE NUSA PATENTS PENDING No INTERNAL USER SERVICEABLE I PARTS REFER SERVICE TO QUALIFIED SERVICE PERSONNEL TO CLEAN FILTER REMOVE FROM INSTRUMENT AND FLUSH WITH WARM SOAPY WATER Jn 5700A CALIBRATOR CURRENT OUTPUT A TIAMAX Lo en 99 CALIBRATION ENABLE NORMAL Figure 7 Rear Panel Features ag7f eps Getting Started Rear Panel Features Table 4 Rear Panel Features CURRENT OUTPUT Binding Posts The source of all amplified current if the 5725A is configured for rear output You can set the 5700A
23. he failure indicating that you should service the 5725A After the 5725A passes its self test it transfers its calibration constants to the 5700A During the transfer the BOOST indicator on the 5700A flashes For the few seconds that the BOOST indicator is flashing the 5725A is not usable After the transfer is complete the 5725A is in standby mode See 5725A Operating Functions and Modes in Chapter 3 of the Instruction Manual for more information about standby mode Warm Up When you turn on a cold 5725A warm it up for 30 minutes to allow the components inside to stabilize This ensures that the 5725A meets or exceeds the specifications If you turn off the 5725A after it has warmed up allow it to warm up again for at least twice the length of time it was turned off up to a maximum of 30 minutes of warm up For example if the 5725A is turned off for 10 minutes allow it to warm up again for at least 20 minutes 25 5725A Amplifier 26
24. rmits keep one hand away from equipment to reduce the hazard of current flowing through vital organs of the body Do not wear a grounded wrist strap while working on this product A grounded wrist strap increase the risk of current flowing through the body Disconnect power before removing protective panels soldering or replacing components High voltage may still be present even after disconnecting power FIRST AID FOR ELECTRIC SHOCK Free the Victim From the Live Conductor Shut off high voltage at once and ground the circuit If high voltage cannot be turned off quickly ground the circuit Tf the circuit cannot be broken or grounded use a board dry clothing or other nonconductor to free the victim Get Help Yell for help Call an emergency number Request medical assistance Never Accept Ordinary and General Tests for Death Symptoms of electric shock may include unconsciousness failure to breathe absence of pulse pallor and stiffness and well as severe burns Treat the Victim If the victim is not breathing begin CPR or mouth to mouth resuscitation if you are certified Table of Contents Introduction RnB BU III Musso ere El si 11910 c Where to Go From Here nennen e E aaa p ea aa n nnne trennen nnn nnne How to Use the Manuals i 5725A Getting Started Manual sse eene 5725A Instruction Manual id 5700A 5720A Series ll Manual SEt
25. rtation costs of repair replacement parts when product purchased in one country is submitted for repair in another country Fluke s warranty obligation is limited at Fluke s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period To obtain warranty service contact your nearest Fluke authorized service center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determines that failure was caused by neglect misuse contamination alteration accident or abnormal condition of operation or handling including overvoltage failures caused by use outside the product s specified rating or normal wear and tear of mechanical components Fluke will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FOB Shipping Point THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED IN CLUDING BUT NOT LIMITED TO ANY
26. tage switches are located on the bottom left side of the rear panel To change the line voltage setting set the line voltage selection switches to the correct setting shown in Figure 4 Getting Started Selecting Line Voltage CAUTION FOR FIRE PROTECTION REPLACE ONLY WITH A 250V FUSE OF INDICATED RATING VOLTAGE SELECTION S2 S3 S4 100V EH CI ICI IN 110V EN NC MM FSA 250V 115V ME EI REX FAST 120V EH EN EN S2 S3 S4 200V BEI BEI REI IN 220V NJ CI MIN F4A 250V 230V MY mm CY FAST JOHN FLUKE MFG CO INC WARNING GROUNDING CAUTION ron FIRE PROTECTION MADE MUSA CONNECTOR IN POWER CORD REPLACE ONLY WITH A 250V FUSE MUST BE CONNECTED TO OF INDICATED RATING PATENTS PENDING ENSURE PROTECTION FROM CURRENT ELECTRONIC SHOCK NO INTERNAL USER SERVICEABLE VOLTAGE PARTS REFER SERVICE To OUTPUT zum ea ruse QUALIFIED SERVICE PERSONNEL TO CLEAN FILTER REMOVE FROM INSTRUMENT Ci AND FLUSH WITH WARM SOAPY WATER tia ax E kd e wx 700A CALIBRATOR o o O O CALIBRATION Cm ENABLE NORMAL ag4f eps Figure 4 Line Power Label and Switch Location 15 5725A Amplifier The line power fuse is accessible on the rear panel The Accessing the Fuse fuse rating label to the right of the fuse holder labeled N Caution FUSE shows the correct replacement fuse rating for c each line voltage setting To check or replace the fuse To prevent instrument damage
27. to source all its unamplified as well as amplified current through these binding posts The LO binding post is isolated from ground when in the current function and is open circuited at other times Cable and connection recommendations are made in Chapter 4 of the 5700A 5720A Series ll Operator Manual CALIBRATION Switch A slide switch that enables and disables writing to the nonvolatile memory that stores 5725A calibration constants Switching to ENABLE allows writing to the memory and switching to NORMAL protects data in memory from being overwritten The switch must be in the ENABLE position to store corrections generated during calibration The switch is recessed to allow a metrologist to cover it with a calibration seal to guarantee calibrator integrity 5700A CALIBRATOR Connector Provides the analog and digital interface to the 5700A Calibrator After connecting to the 5700A you control the 5725A from the 5700A front panel or by sending remote commands to the 5700A Refer to Using an Auxiliary Amplifier in Chapter 4 of the Instruction Manual or for remote operation to Chapter 5 of the 5700A 5720A Series Il Operator Manual for details Fan Filter Covers the air intake to keep dust and debris out of the instrument The fan directs a constant cooling air flow throughout the chassis 23 5725A Amplifier 5 Line Voltage Fuse Rating Label Shows the various settings of the line voltage switches and the correct replacement
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