Acros fluke 8845a service manual

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fluke 8845a service manual

View Forms to spot trends and document measurement data. Or use the Fluke. View Forms Plus Designer to customize your reports or add your company logo. Fluke. View Forms communicates with supported tools fast and easily via an infrared serial interface. The software will automatically recognize your meter and transfer the data without any configuration. Share or store your data with co workers or clients print forms, export to other software programs, or have co workers and clients down load the free Fluke. View Forms plus Designero Cable included. Fluke. View Forms plus Designer. Software onlyNo Cable includedObsolete For all instruments listed in table. Using Fluke. View Forms with Multimeters, Thermometers, Meg. Ohmeters and Process. Fluke FlukeView Forms Software with Cable. Expand the power of the worlds most rugged, accurate handheld test tools with FlukeView Forms Documenting Software. A8846A Programmers Manual 2 A W Caution statement identifies conditions or practices that could result in damage to the Meter or equipment to which it is connected. Electrical test equipment supplies from Instrument Sales and Services, including PAT testers and Fluke Testers. Brands also include, Megger, Kewtech and Flir. Fluke Calibration is a leader in precision calibration instrumentation and software for electrical, temperature, pressure, flow, and RF calibration. A8846A Digital Multimeter Users Manual July 2006, Rev. Fluke Corporation. Specifications subject to change without notice. The Fluke 8808A digital multimeter has a broad range of functions, measuring volts, ohms and amps with a basic V dc accuracy of 0. Download Open Media Wifi Bridge Software. It is remarkably easy to use. PC with Fluke. View Forms. Fluke. View Forms also logs events to make analyzing your data easier. This unique method of data recording provides more detailed readings when the input signal changes significantly.

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The amount of signal change that will trigger an event can be adjusted to fit your specific test situation. The minimum, maximum and average of readings are recorded for each event. Logging sessions can also be configured so that data will be recorded over specific intervals e. Pilot Program Synonym. Using Fluke. View Forms with Fluke 1. B Installation tester Up to 5. Fluke 1. 65. 3B installation tester. The data stored for each measurement consists of the test function, user selectable test conditions and unique references. The results can be uploaded for preparing professional reports. These reports can easily be customized to suit individual requirements as well as compliance with local regulations. Standard formats as well as localized forms for Germany ZVEH, Austria VE and Switzerland electrosuisse, gem. NIV are also available Not supported in Fluke. Did you miss your activation email ? The meter starts to come up, displays a menu but nothing else, no readings, keyboard does nothing, not even the soft power switch. All voltage regs are good, see data across the optical links, but get lost trying to trace data to and from the front panel. Any help or ideas would be welcome, including a schematic. Jim Sorry, should of had that in the first post. Maybe it is in some kine of remote state. That could explain that the keyboard doesn't work and lack of readings. Not read the manual to this meter, but I would hope a power cycle would clear this. On my 8845A it will briefly display the menu at the bottom before displaying measurements during power up. You might lookup 8845 or 8846 on youtube to see what the normal startup looks like to compare yours to. So my gues about remote state is definitely wrong. But all voltages check out fine, reference is fine, no error messages are displayed, clocks are running. But without documentation, this is going to be very hard to trace. Next thing is to check all the opamps (going to take a while).

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The reason I'm writing this is: Maybe we can exchange our findings and help each other with the repair? I saw some of their rebranded models landing on ebay this year, lots of them had internals problems, hang ups, lan problems, stuck on boot etc.These units have the peculiar problem you describe. I now have three 8846 units with same problem and one wonderfully working unit. Have never been able to trace problem. Unit fires up digital side but something is amiss on analog side. Have a look at this thread.These units have the peculiar problem you describe. Unit fires up digital side but something is amiss on analog side. There are two pairs for two way communication, RX side covered by two small metal shields. It measures volts, ohms, and amps, with basic V dc accuracy of up to 0.0024, 10 A current range, and a wide ohms range. The 8845A also measures frequency and period. The functions of a counter, capacitance meter, and thermometer are built in. Use the unique analyze mode to view data as a real time trend plot or histogram. Perform 4-wire measurement with only two leads Patented split terminal jacks for the 2 x 4 ohms function let you perform 4-wire measurements using only two leads instead of four. Multiple connectors give you maximum flexibility Serial, IEEE-488, and Ethernet interfaces come standard. Specifications: Fluke 8845A 6.5 Digit Precision Multimeter Technical Specifications Display VFD dot matrix Resolution 6.5 Digits V DC Range 100 mV to 1000 V Max. All rights reserved. Specifications subject to change without notice. All rights reserved. All product names are trademarks of their respective companies. Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price.

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Their full complement of measurement functions plus its RS-232, IEEE 488, and Ethernet Remote Interfaces makes these multimeters ideal candidates for precision manual measurements and use in automated systems. It contains all of the information a new user will need to operate the Meter effectively. The manual is divided into the following chapters: Chapter 1 “Introduction and Specifications”. Static discharge Do not dispose of this product as unsorted can damage part(s) municipal waste. Go to Fluke’s website for recycling information. Instrument Security Procedures This section describes the Meter’s memory elements and the procedures for clearing them. If zero is not used, add 0.2 for 2-wire resistance plus lead resistance, and add 20 m for 2 x 4-wire resistance function. Measurement Method. Contacting Fluke To order accessories, receive operating assistance, or get the location of the nearest Fluke distributor or Service Center, call: USA:. See Table 2-1. 4. Replace the selector block back into the fuse holder. XW Warning To avoid electric shock or fire, do not use makeshift fuses or short-circuit the fuse holder. Use only Fluke fuses. If the fuse is blown, the Meter will read overload. To replace the Current Input fuses, 1. Turn the Meter off, unplug the power cord from the Meter, and remove all test leads. A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation. With the proper line voltage selected and the appropriate power cord connected to the Meter, connect the power cord to a power outlet and switch rear-panel power switch so the “I”. W Caution To avoid damaging the Meter’s housing, do not apply solvents to the Meter. This chapter explains the function and use of the controls and indicators located on the front and rear panels of the Meter. See the “Accessing and Controlling Memory” section for more information. USB Port. Connection for optional memory device to store meter readings.

Standby key to turn off the display. Secondary display. Indicates PASS, HIGH or LOW for limits testing. Math function selected. Error detected. Memory enabled for storing readings. Extinguishes when last sample is stored. Softkey labels. The presence or absence of MAN in the display indicates the Meter’s ranging mode. All functions utilize these keys to control the Meter’s range except continuity, diode test, temperature (8846A only), frequency and period, which only have a single range. The beeper is enabled when the Meter is shipped from the factory. Setting Continuity Resistance Threshold and Diode Test Parameters The threshold resistance value for the continuity function and the amount of current and voltage used for Diode testing are adjustable. Continuity resistance threshold can be set to four different values: 1, 10, 100 and 1 k. The soft key label becomes highlighted to indicate high input Z is activated. Press the soft key again to disable the function. Using the Analyze Functions The Meter is capable of performing mathematical operations with measured values, as well as tracking a series of measurements. To manually stop the measurement collection, press the STOP soft key from the statistics menu. The display will update with the final set of statistical data. The process can also be stopped automatically by entering the number of samples on which you want to calculate statistics. The right most character is the multiplier. This character can be set to p, n,, m, k, M, or G. 5. Previously laid down plot marks are adjusted down in size proportionally to the new vertical axis. The left section of the Meter’s display indicates the highest (maximum) and lowest (minimum) reading taken since the start of a TrendPlot session. In addition, the length of the TrendPlot session is displayed in hours, minutes, and seconds (hh:mm:ss). To start a histogram session: 1.

Set up the Meter for the desired measurement by selecting the function, and connecting the signal to the Meter’s input. See the “Triggering” section in the Programmers Manual for more information on remote triggering. Auto Triggering In auto trigger mode, the Meter’s measurements are triggered by internal circuitry. These triggers are continuous and occur as fast as the configuration will allow. Optional Memory in various storage capacities is available from Fluke. See the “Options and Accessories” section in Chapter 1 for Fluke part numbers. In addition to storing and recalling readings and configurations, a memory management function is available to delete files. If the number of samples is set to a value greater than 10000, consecutive memory files will be used to store all the samples. If the readings fill the last file (999), reading storage will stop. If you want to store the present Meter configuration in a location other than the first four locations, press the MORE soft key. The display indicates the next available memory location. After removing the power-up configuration, power the Meter down and back up using the rear-panel power switch to restore factory default settings. The copy process will take several seconds. To erase USB memory, refer to the “Media Memory”. To view the versions and serial number: 1. Press I. 2. Press the soft key under SYSTEM. 3. Note that this may take several seconds. A USB memory device should never be removed while a write is occurring. The data is initially stored in internal memory and then transferred to the USB memory device. Note UNLOCK CAL allows entry of a password so authorized personnel can calibrate the Meter or change the (CAL) USER STRING. Do not apply more than 1000 volts between any terminal and earth ground. This chapter covers the steps for making a measurement with each of the Meter’s functions.

W Caution To avoid blowing the current fuses and possible damage to other equipment, do not apply voltage to the meter’s input until the test leads are properly connected to the input, and the proper voltage function selected. The number of readings averaged by the digital filter varies with dc function and range. A 3-pole analog filter for improving noise immunity. The filter is A FLTR active when this soft key label is highlighted and will increase stabilization time of the measurement. For best accuracy and stable readings, Filter choose a filter based on the lowest frequency to be measured and the performance needed. 3HZ SLOW Provides higher measurement accuracy on ac signals between 3 Hz and 20 Hz. Making a Two-wire Resistance Measurement To make a two-wire resistance measurement: 1. Connect the test leads to the Meter’s input connectors as shown in Figure 4-1. 2. This filter averages readings D FLTR to reduce reading noise when in immedicate trigger mode or when in trigger mode with an unending number of triggers selected. If the test leads are connected to the 10A and Input LO connectors, then press the 10A soft key. 4. Measuring Capacitance (8846A only) The Fluke 8846A is capable of measuring capacitance from 1 pF to 100 mF (0.1 F). To make a capacitance measurement: 1. Press C. An example of the capacitance display is shown below. Measuring RTD Temperature (8846A only) The Fluke 8846A is capable of measuring temperatures between -200 C and 600 C using Resistance Temperature Detectors (RTDs). To make a temperature measurement: 1. Available scales are Celsius, Fahrenheit, and Kelvin. Refer to the “Adjusting the Meter’s Range” section in Chapter 3 of this manual for information on how to adjust the measurement range. The compliance voltage is set to either 5 volts or 10 volts. The compliance current is set to either 1 mA or 0.1 mA. Press the appropriate soft key to select the desired voltage and current setting.

Select the digit in the value by pressing either.The Meter’s Input HI and LO jacks consist of two contacts. One contact is connected to HI or LO input circuits and the other contact is connected to the Sense input circuits. Wrong units for parameter Syntax error Time out while taking data Timeout error during calibration. This alteration should be done by a trained technician at Fluke service center. Opening the cover of the Meter to make this alteration may void the. Most applications do not require the use of this filter, but in some situations it can be utilized to improve DC measurements. A good example of this is using the filter when measuring the DC value of a signal with AC content, such as a DC power supply voltage that has significant AC line ripple present. Do not remove from this master document. All RD fields will be placed after this text. All product names are trademarks of their respective companies. Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price. These features will be identified with the annotation of “8846A Only” by each feature that is found only in that model. Contact Fluke or a qualified recycler for disposal General Safety Summary This instrument has been designed and tested in accordance with the European standard publication EN 61010-1:2001 and U.S. Description of IEC 61010 Measurement Categories The IEC 61010 safety standard defines four Overvoltage (Installation) Categories (CAT I to CAT IV) based on the magnitude of danger from transient impulses as shown in Figure 1-1. This chapter also discusses use of the Calibration Manual and the various conventions used in describing the meter’s circuitry and presents a complete. See Accessories) IEEE 488.2. Hour Accuracy The 24 hour accuracy specification indicates the Meter's relative accuracy over its full measurement range for short time intervals and within a stable environment. Short.

A list of Fluke telephone numbers and the website address can be found in the “How to Contact Fluke” section of Chapter 4. The static problem is thus complicated in that failure may occur anywhere from two hours to six months after the initial damage. Two failure modes are associated with ESD. First, a person who has acquired a static charge can touch a component or assembly and cause a transient discharge to pass through the device. XW Warning To avoid electric shock or fire, do not use makeshift fuses or short-circuit the fuse holder. Use only Fluke fuses. Table 2-1. Line Voltage to Fuse Rating Line Voltage Selection Fuse Rating Fluke Part No. If these steps don’t solve the problem, then contact Fluke for more help. See the “Contacting Fluke” section in Chapter 4 for contact information. Display Tests To test the pixels on the front panel display, use the following steps. See Figure 4-1. 7. Remove both sets of screws holding the front panel to the chassis (8-32 pan head and 6-32 flat head undercut). Fluke makes a 2 foot (PN 738716) and 4 foot (PN 738724) PTFE insulated test cable for this purpose. See Table 3-1 for Fluke part number. Performance Tests The following performance tests are provided to ensure that the Meter is in proper operating condition. Verification forms can be found in Appendix A which can be copied and used to record each meter reading. Verification forms can be found in Appendix A which can be copied and used to record each meter reading. Verification forms can be found in Appendix A which can be copied and used to record each meter reading. Verification forms can be found in Appendix A which can be copied and used to record each meter reading. Resetting the Calibration Password If the calibration password has is lost or forgotten, the password can be reset to FLUKE884X by performing the following actions. In both cases, they are divided into four areas: open adjust, zero adjust, rear panel zero adjust, and gain adjust.

Parts are listed by assembly and alphabetized by reference designator. Each assembly is accompanied by an illustration showing the location of each part and its reference designator. Figure 4-1 identifies the parts within the Meter. Table 4-1. Replaceable Parts Ref. Description Part Desig. Every day, we send 5000 shipments and we ensure that they arrive in the shortest time available. After entering your symbols to the system, you can refer to them while searching products in the catalogue. It does not change their basic features. Here you can also unsubscribe from the list. Withdrawal of consent has no bearing on the legitimacy of processing that was performed prior to the withdrawal. 8. You also have the right to file a complaint to a supervisory data protection authority. Keep up to date with the TME offer Please try again. The minimum length should be minLength characters. Search results for: (found: ) ask for a document File Date Descr Size Popular Mfg Model: Found in chassis2model: Found in repair tips. Please do not offer the downloaded file for sell only use it for personal usage. Looking for other manual? For this no need registration. May be help you to repair. You could suffer a fatal electrical shock. Instead, contact your nearest service center. Note! To open downloaded files you need acrobat reader or similar pdf reader program. In addition, Also some files are djvu so you need djvu viewer to open them. These free programs can be found on this page: needed progs If you use opera you have to disable opera turbo function to download file. If you cannot download this file, try it with CHROME or FIREFOX browser. Translate this page: Relevant METER forum topics: fluke 123 sziasztok.van egy ilyen kis muszerem,amiben ez az smd alkatresz szalt el P43,vajon mi lehet ez. Kedvenc igaslovamat is elerte a Fluke kor. A zebragumi az LCD alatt osszetomorodott. Emiatt nem olvashato a kijelzo. Megpucoltam, ha kezzel nyomom, jo.

A regi gumiba bele van preselodve a NYAK vezetosavok osszes csikja. A kepen szepen latszik, ahogy osszetomorodott. Ebay-en leltem repair KIT-et, de picit sokallom a kozel 10e Ft arat a 2 gumiert. Megis 1986-ban gyartottak szegenyt a NYAK szerint.Koszonom! Fluke PM3384B szkop javitasahoz keresek kollegat Fluke pm3384b tipusu kombiszkop javitasahoz beallitasahoz keresek szakembert. Maga a keszulek mukodokepes jo allapotu de csinal fura dolgokat. Olyan szakit keresnek aki ismeri ezt a tipust es rendbe kapna esetleg tudna kalibralni is.Megbizhato szerviz is szoba johet. Koszonom a segitseget!You can write in English language into the forum (not only in Hungarian). Maybe you can upload a photo for the Fluke 8845A ? There are a few additional features in the 8846A that areOnly” by each feature that isSeparate specification tables areThe following is a list of some of the features and functions:Organization of the Calibration Manual. This calibration manual is divided into the following chapters. This chapter introduces the Fluke 8845A and 8846A Digital. Multimeters, describing theirThis chapter also discusses useChapter 2 provides maintenance information coveringThis chapter provides performance verification proceduresChapter 4 includes parts lists for all standard assembliesOperating Instructions. Full operating instructions are provided in the Fluke. Reference to these instructions may be necessary during someAccessories. Table 1-3 lists the available Accessories for the 8845A andBy submitting a comment, you are declaring that you agree with these rules: Although the administrator will attempt to moderate comments, it is impossible for every comment to have been moderated at any given time. You acknowledge that all comments express the views and opinions of the original author and not those of the administrator. You agree not to post any material which is knowingly false, obscene, hateful, threatening, harassing or invasive of a person's privacy.

The administrator has the right to edit, move or remove any comment for any reason and without notice. Failure to comply with these rules may result in being banned from further commenting. These meters are both high performance and feature rich,These digital multimetersDMM, including measuringBasic V dc accuracy ofYou can also use the 8845A Of course, these meters areFeatures at a glance. It may not display this or other websites correctly. You should upgrade or use an alternative browser. The Fluke 8846A is a benchtop DMM which functioned normally for about a year. Then it started giving me incorrect readings and in some cases no readings. Some instances I have tested are: resistance, shows correctly but only certain values in the Mohm range so precision is lost. I tried taking readings of a standard household outlet and in freq mode it switches back and forth from “overload” to correctly showing about 60hz, in VAC mode it shows.018 which is clearly wrong and something like.032 when the leads aren’t even attached. The temp mode doesn’t show anything when hooked to the appropriate TC. I opened it up and didn't see any obvious problems and both the replacable fuses are intact, it looks pretty sophisticated, ie: not too many parts I will be capable of replacing. I can’t spend that kind of money so I was hoping someone in a forum would have an idea of what to do. Thanks in advance for any input!If the DMM as well as the device under test were both unintentionally connected to your mains household earth, such a completed 'common earth' circuit could have caused a melt-down of the DMM. Many an oscilloscope has been destroyed in that way, but you probably would have noticed a loud noise etc. Accordingly, someone else may have been using your DMM without your knowledge. Another candidate explanation may be that the voltage setting (at the back of the DMM) has been accidentally flipped from 240 to 120 or vice versa, and is simply on the wrong setting at the moment.

Unlikely. I would also check the pins, for example on the IEEE488 and RS-232 connectors (back panel) just in case someone tried to cram something square into a round hole If you post clear photos of the circuit board, that will help the serious minds here diagnose and solve the problem (I am not one of the serious minds). For sure, they will need further information.If the DMM as well as the device under test were both unintentionally connected to your mains household earth, such a completed 'common earth' circuit could have caused a melt-down of the DMM. For sure, they will need further information. Click to expand. I double checked that the input selector is set to 120V. I do not have experience with the oscilloscopes but when you mention a loud pop I assume that would be a power transistor or electrolytic capacitor, but all of those look ok to me. I will post some HQ pics soon and hopefully someone else will have an idea. Thanks for your input.You'll need to choose a username for the site, which only take a couple of moments ( here ). After that, you can post your question and our members will help you out. Power Instruments The Last US Bag Co. Thermco Thermo Electron - Orion Thermographic Meas.Louis, Missouri Phoenix, Arizona Toronto, Ontario Montreal, Quebec Contact Us: See Details. Why Calibrate? Request a calibration quote Learn about rentals Speak to an expert. Email us for details. Registration this is Free, we accept members of 17 years old and above. Active since 7 June 2012 Copyright Notice: All content of this web site this is copyright protected. - Forum search engine this is disabled for Guests. The question which bothers me now is what our money actually buying when they pay for a Tektronix DMM 4050 or a Fluke 8846A 6.5 digit benchtop multimeters. Most published specification this is 0.0025 accuracy for DC.

Both of these DMM history this is now known mostly by close inspection of their PCB and dates which their last software updates (firmware) where released. Its not guesswork to say today that PCB design and electronic parts in use this is work of 2002, PCB mass production date this is 2004. Tektronix DMM 4050 documentation does not deliver repair and service instructions. Fluke 8846A documentation it does deliver repair and service instructions. Because of high retail price both products did not gain wide acceptance, and if I am now writing these lines, this is because I am exploring both meters of what actually worth as used and out of warranty. Tektronix among Fluke and Keithley they have now the same Boss, none of them over the years invested in European soil about having spare parts availability specifically for European consumers and market. While I do consider Fluke 8846A next big thing after Fluke 8842A, I am puzzled to deliver a positive vote, because no one ever reviewed this meter according my high standards and neither there is a safety net or promise for spare parts availability over time. Neither in the market of used meters any wise consumer will accepts the fact that his purchase will be sort lived due poor or zero spare parts availability. We people working with electronics repairs and using multimeter, it is our job and nature about repairing things, therefore we always should make decisions by taking in mind the larger picture this including product performance and Repairability. For example a Fluke 8842A within 2018 this measured my 10V voltage reference at 10.0001V, few weeks later a fresh calibrated Fluke 8846A this measured my voltage reference and it confirmed 180uV lower than 8842A, I did use Trimming Output Voltage circuit of LT1021-10 so to get nearer to 8846A cal at 10.00001 V. While I do not hold all answers, I do consider year of 2019 as game changer, and I will advice people whom are also puzzled as I do, them to demonstrate patience.

The market of used meters always will be there if the near future does not deliver products tailored to our needs or if Newest Models they are offered at unreasonable pricing. Press Release The Fluke 8845A and 8846A have 14 measurement functions, extending the capability. Everett, Washington. Press Releases (page removed). From the other hand, TEK press release this is still on-line, with date October 5, 2009, and I have kept a copy. While I am expecting delivery in Greece from Italy, I did pull Tektronix strings so to find out history logs about my DMM background, and I did. It was bought first in Feb-2013 from TEK Europe. Therefore up to date in 2019 this is just 6 years old hardware and I am very happy about that. Serial number verification was made due TEK UK, and later on they passed to me a suggestion about pricing quotation for a fresh CAL certificate. I did accept receiving such quotation, now about me using the service or not.Feel free checking attached picture. No matter of how I searched on the web, I did no find a quality written comparison of ( HP, Agilent, Keysight,) 34401A VS Fluke 8846A (DMM4050 ). Since today, here it is my own Now I need to clarify that any serious buyer he should never use feelings but facts and the facts here screaming by them self's. Even so, the true winner here it is not the 8846A but the DMM4050 because TEK followed a different path regarding supported data-logging software. Any way, use my tips and do your own homework because in the end of the day, you might be luckier about settling down and be happy with less. Ignorance is bliss especially for hobbyists, but not an option for us working professionally. Soon I will find out of how close I got over my mark, by percentage I get always close to 97 success regarding expectations, if I got 100 then I was truly lucky, because nothing made by humans this is that perfect. Personally I am now in a celebrating mode. I did contact directly Test S.r.

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fluke 8845a service manual