Fluke 8845A Скачать руководство пользователя | Manualshive

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Index

(continued)

3

—U—

Unpacking Meter, 2-3
User documentation, 1-3

—V—

Voltage

AC measurements, 4-5
DC measurements, 4-4

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Содержание 8845A

Страница 1: ...08 2006 2007 2008 Fluke Corporation Specifications subject to change without notice All rights reserved All product names are trademarks of their respective companies Test Equipment Depot 800 517 843...

Страница 2: ...thin 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...

Страница 3: ...ia Memory 8846A Only 1 7 Accessories 1 7 General Specifications 1 9 Power 1 9 Dimensions 1 9 Display 1 9 Environment 1 9 Safety 1 9 EMC 1 9 Triggering 1 9 Memory 1 10 Math Functions 1 10 Electrical 1...

Страница 4: ...tate 3 8 Setting the Display Resolution 3 9 Setting the AC Signal Filter 3 9 Setting Continuity Resistance Threshold and Diode Test Parameters 3 10 Setting the Default Temperature Scale 8846A Only 3 1...

Страница 5: ...lay 4 3 Measuring Voltage 4 4 Measuring DC Voltage 4 4 Measuring AC Voltage 4 5 Measuring Frequency and Period 4 7 Measuring Resistance 4 7 Making a Two wire Resistance Measurement 4 8 Making a Four w...

Страница 6: ...8845A 8846A Users Manual iv...

Страница 7: ...al Symbols 1 6 1 3 Volatile Memory Space 1 6 1 4 Non volatile Memory Space 1 7 1 5 Accessories 1 7 2 1 Line Voltage to Fuse Rating 2 5 2 2 Line Power Cord Types Available from Fluke 2 7 3 1 Front Pane...

Страница 8: ...8845A 8846A Users Manual vi...

Страница 9: ...ut Connections for Voltage Resistance and Frequency Measurements 4 4 4 2 Input Connections for 4 wire Resistance Measurements 4 9 4 3 Input Connections for 4 wire Ohms Using 2x4 Wire Leads 4 10 4 4 In...

Страница 10: ...8845A 8846A Users Manual viii...

Страница 11: ...ly 1 7 Accessories 1 7 General Specifications 1 9 Power 1 9 Dimensions 1 9 Display 1 9 Environment 1 9 Safety 1 9 EMC 1 9 Triggering 1 9 Memory 1 10 Math Functions 1 10 Electrical 1 10 Remote Interfac...

Страница 12: ...8845A 8846A Users Manual 1 2 Diode Test 1 22 Measurement Rates IEEE488 4 1 22...

Страница 13: ...atures and functions Bright large digit wide viewing angle display Dual display for displaying two properties of an input signal e g ac voltage in one display and frequency in the other Remote operati...

Страница 14: ...could result in damage to the Meter or equipment to which it is connected XW Warning To avoid electric shock personal injury or death carefully read the information under Safety Information before att...

Страница 15: ...minals or between any terminal and earth ground Always use the power cord and connector appropriate for the voltage and outlet of the country or location in which you are working Remove test leads fro...

Страница 16: ...EC 61010 Overvoltage installation or measurement Category 2 T Double insulated Recycle h Static awareness Static discharge can damage part s Do not dispose of this product as unsorted municipal waste...

Страница 17: ...rtion of memory Note The 4 MB non volatile memory element is not usable and cannot be cleared by the user Media Memory 8846A Only The 8846A has a front panel USB port for connecting flash memory modul...

Страница 18: ...ug and jack at each end Y8022 Shielded IEEE 488 two meter 78 8 inches cable with plug and jack at each end 884X USB USB to RS 232 Cable Adapter RS43 Shielded RS 232 Cable 2 Meters 884X ETH Ethernet Ca...

Страница 19: ...0 lb Shipping Weight 5 0 kg 11 0 lb Display Vacuum Fluorescent Display dot matrix Environment Temperature Operating 0 C to 55 C Storage 40 C to 70 C Warm Up 1 hour to full uncertainty specifications R...

Страница 20: ...hour specifications are relative to calibration standards and assume a controlled electromagnetic environment per EN 61326 1 2000 11 DC Voltage Specifications Maximum Input 1000 V on any range Common...

Страница 21: ...r 23 5 C Temperature Coefficient C Outside 18 to 28 C 100 mV 0 003 0 003 0 004 0 0035 0 005 0 0035 0 0005 0 0005 1 V 0 002 0 0006 0 003 0 0007 0 004 0 0007 0 0005 0 0001 10 V 0 0015 0 0004 0 002 0 000...

Страница 22: ...03 10 Hz 20 kHz 0 04 0 02 0 05 0 03 0 06 0 03 0 005 0 003 20 50 kHz 0 1 0 04 0 11 0 05 0 12 0 05 0 011 0 005 50 100 kHz 0 55 0 08 0 6 0 08 0 6 0 08 0 06 0 008 1 V 100 300 kHz 1 4 0 0 50 4 0 0 50 4 0 0...

Страница 23: ...10 Hz 20 kHz 0 04 0 02 0 05 0 03 0 06 0 03 0 005 0 003 20 50 kHz 0 1 0 04 0 11 0 05 0 12 0 05 0 011 0 005 50 100 kHz 0 55 0 08 0 6 0 08 0 6 0 08 0 06 0 008 10 V 100 300 kHz 1 4 0 0 50 4 0 0 50 4 0 0 5...

Страница 24: ...Input Characteristics Resolution Range Resolution 4 Digits 5 Digits 6 Digits Source Current 10 1 10 00000 1 m 100 10 5 mA 13 V 100 100 0000 10 m 1 m 100 1 mA 6 V 1 k 1 000000 k 100 m 10 m 1 m 1 mA 6...

Страница 25: ...minutes on 1 minute off Common Mode Rejection 140 dB at 50 or 60 Hz 0 1 1 k unbalance Normal Mode Rejection 60 dB for NPLC of 1 or greater with analog filter off and power line frequency 0 1 100 dB f...

Страница 26: ...02 0 002 0 002 100 mA 0 01 0 004 0 03 0 005 0 05 0 005 0 002 0 0005 400 mA 3 0 03 0 004 0 04 0 005 0 05 0 005 0 005 0 0005 1 A 2 0 03 0 02 0 04 0 02 0 05 0 02 0 005 0 001 3 A 1 2 0 05 0 02 0 08 0 02...

Страница 27: ...ts Shunt Resistance Ohms Burden Voltage 100 A 1 100 0000 A 10 nA 1 nA 100 pA 100 0 015 V 1 mA 1 1 000000 mA 100 nA 10 nA 1 nA 100 0 15 V 10 mA 10 00000 mA 1 A 100 nA 10 nA 1 0 025 V 100 mA 100 0000 mA...

Страница 28: ...0 006 100 mA 5 10 kHz 0 2 0 25 0 2 0 25 0 2 0 25 0 03 0 006 3 5 Hz 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 006 5 10 Hz 0 3 0 1 0 3 0 1 0 3 0 1 0 035 0 006 10 Hz 1 kHz 0 1 0 1 0 1 0 1 0 1 0 1 0 015 0 006 400 mA...

Страница 29: ...kHz 0 15 0 06 0 15 0 06 0 15 0 06 0 015 0 006 3 A 1 2 5 10 kHz 0 35 0 7 0 35 0 7 0 35 0 7 0 03 0 006 3 5 Hz 1 1 0 06 1 1 0 06 1 1 0 06 0 2 0 006 5 10 Hz 0 35 0 06 0 35 0 06 0 35 0 06 0 035 0 006 10 Hz...

Страница 30: ...Range Frequency 24 Hour 23 1 C 90 Days 23 5 C 1 Year 23 5 C Temperature Compensation C Outside 18 to 28 C 3 5 Hz 0 1 0 1 0 1 0 005 5 10 Hz 0 05 0 05 0 05 0 005 10 40 Hz 0 03 0 03 0 03 0 001 100 mV to...

Страница 31: ...tance The accuracy listed in the table below are valid only when using the 4 wire RTD measurement function Specifications do not include probe accuracy which must be added Accuracy Range Resolution 90...

Страница 32: ...270 270 DC Volts DC Current and Resistance 4 0 02 NPLC 500 us 995 995 6 3 Hz 0 47 0 47 6 20 Hz 1 64 1 64 AC Voltage and AC Current 2 6 200 Hz 3 4 5 4 5 6 1 s 1 1 5 100 ms 9 8 9 8 Frequency and Period...

Страница 33: ...tacting Fluke 2 3 Storing and Shipping the Meter 2 3 Power Considerations 2 3 Selecting the Line Voltage 2 4 Replacing the Fuses 2 4 Line Power Fuse 2 4 Current Input Fuses 2 5 Connecting to Line Powe...

Страница 34: ...8845A 8846A Users Manual 2 2...

Страница 35: ...iner and the packing material in case you have to return the Meter Storing and Shipping the Meter The Meter should be stored under cover The shipping container provides the most suitable receptacle fo...

Страница 36: ...propriate fuse for the selected line voltage With the voltage set and appropriate fuse installed replace the fuse holder back into the Meter and reconnect the power cord Replacing the Fuses The Meter...

Страница 37: ...40 mA 1000 V fast blow 10 000 A minimum breaking capacity Fluke Part No 943121 The 10 A input is protected by a fuse F1 rated at 11 A 1000 V fast blow 10 000 A minimum breaking capacity Fluke Part No...

Страница 38: ...lightly depressing the back edge of the cover to unlatch it from the printed circuit board Pull up on the back edge of the cover and remove it from the fuse compartment 5 Remove the defective fuse and...

Страница 39: ...round before connecting the power cord or operating the instrument First verify that the line voltage selection is set to the correct position and then that the correct fuse for that line voltage is i...

Страница 40: ...ends out to a hard stop about 1 4 inch on each side and rotate it to one of the four stop positions shown in Figure 2 4 To completely remove the handle adjust it to the vertical stop position and pull...

Страница 41: ...eter never get water inside the meter W Caution To avoid damaging the Meter s housing do not apply solvents to the Meter If the Meter requires cleaning wipe it down with a cloth lightly dampened with...

Страница 42: ...8845A 8846A Users Manual 2 10...

Страница 43: ...Analyze Functions 3 11 Collecting Statistics on Measurements 3 11 Testing Using Limits 3 12 Setting an Offset Value 3 13 Using MX B 3 13 Using TrendPlot 3 14 Using the Histogram Function 3 15 Control...

Страница 44: ...ng Display Brightness 3 24 Setting the Meter s Date and Time 3 24 USB Operation 3 24 USB Storage Capacity and Write Time 3 24 USB Memory Device Compatibility and Special Instruction 3 25 Configuring t...

Страница 45: ...n the front and rear panels of the Meter Operating the Meter through its computer interfaces is covered in the Programmers Manual The following features are not available in OutGuard SW versions earli...

Страница 46: ...pacitance measurements Input connectors source current for 4 wire Ohms measurements All measurements use the Input LO connector as a common input The LO input is isolated and may be safely floated up...

Страница 47: ...IG to control the Meter s measurement cycle J Analyze key Accesses math functions Statistics TrendPlot and Histogram K Zero key Uses the present reading as an offset value to create relative readings...

Страница 48: ...election path Measurement results occupy the first two rows of the display The primary display consists of larger sized characters that comprise the 6 digits 1999999 to 1999999 plus a decimal point In...

Страница 49: ...UNDING CONNECTOR IN POWER CORD MUST BE CONNECTED CAL STICKER SERIAL TAG 1 4A SLOW FUSE 100 120 VAC 1 8A SLOW FUSE 220 240 VAC 47 440 Hz 25 VA MAX 1000V CAT I 600V CAT II INPUT SENSE 4W FUSED 1V 300V V...

Страница 50: ...layed on the primary or secondary display The Meter automatically selects the next lower range if the measured value drops below 11 of full scale Navigating the Front Panel Menu The Meter uses a multi...

Страница 51: ...me in reference to the power line frequency in cycles PLC For example selecting 5 DIGIT 1 PLC will display 5 digit resolution and take a measurement using one power line cycle A D integrate period For...

Страница 52: ...press D once on the 8845A to select the Diode function 2 Press the 1 A or 0 1 A soft key to set the diode test current 3 Press the 5V or 10V soft key to set the diode test voltage Refer to the Checkin...

Страница 53: ...series This function also provides control over the starting and stopping of the measurement series Starting the Measurement Collection To start the statistics process 1 Press J to display the Meter s...

Страница 54: ...ser specified upper and lower limits The upper and lower limits are stored in volatile memory and will be set to zero when the Meter is first turned on or the meter receives a reset through the remote...

Страница 55: ...rface Previously stored values are replaced with the new value The offset value is stored in volatile memory and is set to zero when power is applied to the Meter or the Meter receives a reset through...

Страница 56: ...Plot TrendPlot provides a visual representation of the measured signal over time About three quarters of the Meter s display is used to plot the maximum and minimum readings vertically while the horiz...

Страница 57: ...s between readings TrendPlot will initially look like unconnected dots until enough time elapses to gather more readings STOP F1 F2 F3 F4 F5 caw057 eps Figure 3 1 TrendPlot Display To stop the TrendPl...

Страница 58: ...ource set the number of measurements samples per trigger and set the delay time between receiving the trigger and the start of a measurement In addition the trigger function provides a measurement com...

Страница 59: ...after the specified trigger delay Note The trigger key is disabled whenever the Meter is in Remote mode To set up for an external trigger 1 Press L 2 Press the soft key labeled TRIGGER 3 Press the sof...

Страница 60: ...surement Complete Signal The trigger port on the Meter s back panel provides a low true pulse at the completion of each Meter measurement See the specifications section for more details on this signal...

Страница 61: ...s have been stored the soft key label changes back to START The MEM annunciator in the display also illuminates while readings are being stored Note For internal storage of readings the number of read...

Страница 62: ...into a PC where the comma delimited files can be read Each file is labeled MEAS0XXX CSV The XXX is the file number starting at 001 and going up to 999 Each file is date and time stamped Storing Meter...

Страница 63: ...ng the Power up Configuration To store the Meter s present configuration as a power up configuration 1 Press M 2 Press the STORE CONFIG softkey 3 Press the STORE POWER UP softkey The Meter configurati...

Страница 64: ...nfiguration from one of the first four memory locations press the appropriately labeled soft key If you want a memory location other than the first four locations press the MORE soft key The display i...

Страница 65: ...memory press the ERASE soft key If not press the CANCEL soft key To check the amount of external memory available 8846A Only 1 Press M 2 Press the MANAGE MEMORY soft key 3 Press the USB STATUS soft ke...

Страница 66: ...4 To adjust the display to the desired date and time press either or to select a specific digit or the month With the desired digit or month selected press the soft key labeled to decrement the digit...

Страница 67: ...data gaps during the time the file is written to the USB memory device Note When using Mx B and other math functions the internal sampling rate is slowed to permit data collection without loss As an e...

Страница 68: ...the CAL USER STRING Note CAL USER STRING can be changed entered after UNLOCK CAL The string also appears on the top line row of the stored readings files Resetting the Meter s Default Settings To rese...

Страница 69: ...ance Measurement 4 8 Making a Four wire Resistance Measurement 4 8 Measuring Current 4 10 Measuring DC Current 4 11 Measuring AC Current 4 12 Measuring Capacitance 8846A only 4 13 Measuring RTD Temper...

Страница 70: ...8845A 8846A Users Manual 4 2...

Страница 71: ...ailable selections are dependent on the selected function and are described in the Meter function descriptions provided in this Chapter Activating the Secondary Display For most of the Meter s functio...

Страница 72: ...displayed value as shown below 0 001698V F1 F2 F3 F4 F5 caw021 eps 2 Connect the test leads to the Meter s inputs as shown in Figure 4 1 3 Connect the test leads to the circuit and read the measured...

Страница 73: ...ecified measurement range applies to the input terminals only Note For best results in RATIO the two input commons must be shorted at the Meter terminals The analog filter A FLTR should be off 2ND MEA...

Страница 74: ...dB mode press the dB soft key dB Displays the measured voltage as a power decibel value referenced to 1 milliwatt dBm 10 log power of Vnew into the reference resistance 1 mW or 10 log V2 R 1 mW where...

Страница 75: ...Connect the Meter to the signal as shown in Figure 4 1 Note Each press of G switches the measurement between frequency and period Function modifiers APERTURE Displays three different gate time selecti...

Страница 76: ...range A FLTR A 3 pole analog filter for improving noise immunity The filter is active when this soft key label is highlighted and will increase stabilization time of the measurement See Appendix D fo...

Страница 77: ...2 INPUT SENSE HI LO FRONT REAR 10A 1V 400 mA 4W HI LO 2W 4W V 300V FUSED 1000V CAT I 600V CAT II caw023 eps Figure 4 2 Input Connections for 4 wire Resistance Measurements To make a four wire resistan...

Страница 78: ...hted Refer to the Range Keys section in Chapter 3 of this manual for information on how to adjust the measurement range Measuring Current The Meter is capable of making both ac and dc current measurem...

Страница 79: ...elow 400 mA 2 INPUT SENSE HI LO FRONT REAR 10A 1V 00 mA 4W HI LO 2W 4W V 300V FUSED 1000V CAT I 600V CAT II 4 V AC I 400 mA and I 10 A caw026 eps Figure 4 5 Input Connections for Current Measurements...

Страница 80: ...ote For best results the filter may require zeroing during the current function 2ND MEAS Cycles the secondary display through the measurement functions listed below and then off When a second measurem...

Страница 81: ...cle time is longer than it is when using the 20 Hz filter 20HZ Provides higher measurement accuracy on ac signals between 20 Hz and 200 Hz However the measurement cycle time is longer than it is when...

Страница 82: ...n how to adjust the measurement range 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 m...

Страница 83: ...the Calendar Van Dusen equation 2ND MEA Cycles the secondary display through the measurement functions listed below and then off OHMS Displays the resistance of the RTD 2 wire resistance is used when...

Страница 84: ...e With the higher compliance voltage up to 10 V the Meter s diode test function can test zeners up to 10 volts diode stacks and LEDs The selectable current and maximum voltage allows you to tailor the...

Страница 85: ...ernal stimulus To select the trigger mode 1 With the measurement setup menu displayed press the soft key labeled TRIGGER If EXT TRIG is highlighted the Meter s measurement cycle is triggered externall...

Страница 86: ...falling edge of a TTL signal will trigger the Meter to start taking measurements if the Meter is in external trigger mode Figure 4 9 indicates the purpose of the three pins in the TRIG I O connector T...

Страница 87: ...Appendices Appendix Title Page A 2X4 Test Leads A 1 B Errors B 1 C RS 232 Port Connections C 1 D Analog Filter Applications D 1...

Страница 88: ...8845A 8846A Users Manual...

Страница 89: ...nse input circuits Like the input jacks the 2x4 test lead also has two contacts that align with the input jack contacts to provide a four wire connection Ground tab caw061 eps Figure A 1 2X4 Wire Test...

Страница 90: ...8845A 8846A Users Manual A 2...

Страница 91: ...ommand A fatal error occurred configuring the serial port A fatal error occurred opening the serial port AC Line frequency too low Acknowledgement queue full ACPOLE all CAPDAC settings are too high AC...

Страница 92: ...or setting the RTC System date Error setting the RTC System time Ethernet port not available in Fluke 45 emulation mode Function 2nd func mismatch Function math mismatch Function range mismatch Generi...

Страница 93: ...configuration load failed Measurement configuration store failed Measurement data lost Missing or wrong number of parameters No entry in list to retrieve No error No measurements taken during calibra...

Страница 94: ...libration Timeout occurred while opening the ethernet port Too many dimensions to be returned Too many errors Tried to set invalid state Tried to set invalid state Trigger Deadlock Trigger ignored jus...

Страница 95: ...ive data 3 TX Transmit data 4 DTR Not used 5 GND Signal ground 6 DSR Not used 7 RTS Request to send 8 CTS Clear to send 9 RI Not used The Meter s RS 232 control lines can be rewired to an alternate pa...

Страница 96: ...8845A 8846A Users Manual C 2...

Страница 97: ...it in DCI measuring a short circuit in DCV or Resistance or measuring the output of a precision DC calibrator In fact the analog filter may actually add to the noise in these situations and often time...

Страница 98: ...0 m 10 100 0 6 100 k 10 2 5 Table D 3 DC Current Analog Filter Errors Range NPLC Additional Analog Filter Error 100 A 10 mA 1 A 100 0 005 of range 10 0 015 of range 1 0 027 of range 0 2 0 09 of range...

Страница 99: ...esting for 4 15 Current measurments AC 4 12 DC 4 11 D Date setting of 3 24 DC Voltage Measurements 4 4 Defaults resetting of 3 27 Diode Test checking of 4 16 setting compliance voltage 3 10 setting of...

Страница 100: ...23 MX B function 3 13 O Offset setting of 3 13 Options and Accessories 1 7 P Period measurements 4 7 Product Description 1 3 R Range Key 3 8 Readings recalling 3 20 storing 3 18 Rear panel 3 7 Recall...

Страница 101: ...Index continued 3 U Unpacking Meter 2 3 User documentation 1 3 V Voltage AC measurements 4 5 DC measurements 4 4...

Страница 102: ...8845A 8846A Users Manual 4...

Страница 103: ...8845A 8846A Users Manual 2 This page is for holding the Reference Document RD fields Do not remove from this master document All RD fields will be placed after this text...

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