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Chapter 4 Disassembly & Assembly

RIGOL

Service Guide for DM3068

4-9

4. 9

To Disassemble and Assemble Front Panel & LCD

Figure 4-8 To disassemble and assemble front panel & LCD

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Содержание DM3068

Страница 1: ...RIGOL Service Guide DM3068 Digital Multimeter Feb 2014 RIGOL Technologies Inc ...

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Страница 3: ...L shall not be liable for losses caused by either incidental or consequential in connection with the furnishing use or performance of this manual as well as any information contained Any part of this document is forbidden to be copied or photocopied or rearranged without the express written approval of RIGOL Product Certification RIGOL guarantees this product conforms to the national and industria...

Страница 4: ...gs and markers on the instrument and check your manual for more information about ratings before connecting Use Proper Overvoltage Protection Make sure that no overvoltage such as that caused by a thunderstorm can reach the product or else the operator might expose to danger of electrical shock Do Not Operate Without Covers Do not operate the instrument with covers or panels removed Use Proper Fus...

Страница 5: ...ts on the panels The disturbance tests of all models conform to the P F values of A based on the standard of EN 61326 1997 A1 A2 A3 instead of P F values of B Input Terminal Protection Limit The protection limit is defined for the input terminal 1 Main input HI and LO terminals HI and LO terminals are used for Voltage Resistance Capacitance Continuity Frequency and Diodes measurements and should b...

Страница 6: ...easurement 4 The current into the 10 A terminal cannot exceed 13 5 A otherwise it will blow out the internal fuse while the current into the LO Sense 200 mA terminal cannot exceed 650 mA otherwise the current input fuse from the rear panel may be blown out IEC II Overvoltage Protection In order to prevent electric shock DM3068 provides overvoltage protection for line voltage mains connections meet...

Страница 7: ...However a transient overvoltage is also present in such circuits DM3068 was designed to safely withstand occasional transient overvoltage up to 2500 Vpk Do not use this device to measure circuits whose transient overvoltage may exceed this level ...

Страница 8: ...m voltage can be measured by HI LO terminal is 1000Vpk CAT II 300V IEC Measurement Category II Inputs may be connected to mains up to 300VAC in the case of overvoltage in Category II Terms on the Product These terms may appear on the product DANGER indicates an injury or hazard may immediately happen WARNING indicates an injury or hazard may be accessible potentially CAUTION indicates a potential ...

Страница 9: ...erior surface perform the following steps 1 Disconnect the instrument from all power sources 2 Moisten a cloth slightly using a mild detergent or water and clean the loose dust on the outside of the instrument Always take care when you clean the LCD in order to avoid scuffing it CAUTION To avoid damages to the instrument do not expose them to corrosive liquids WARNING To avoid injury resulting fro...

Страница 10: ...E and batteries Product End of Life Handling The equipment may contain substances that could be harmful to the environment or human health In order to avoid release of such substances into the environment and harmful to human health we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately Please contact your ...

Страница 11: ...as to know its state well Chapter 3 Calibration This chapter provides information about the calibration of DM3068 Chapter 4 Disassembly Assembly This chapter guides you to disassemble and assemble DM3068 to reach a clearer understanding of its structure Chapter 5 Troubleshooting Maintenance This chapter guides you to eliminate possible errors caused during the measurement and contains information ...

Страница 12: ...ications 1 16 Chapter 2 Performance Test 2 1 2 1 Test Type 2 1 2 1 1 Self Test 2 1 2 1 2 Fast Test 2 3 2 1 3 Routine Test 2 4 2 2 Testing Equipments 2 5 2 3 Test Conditions 2 6 2 4 Input Connections 2 7 2 5 Routine Test 2 8 2 5 1 Zero offset Test 2 8 2 5 2 Gain Test 2 10 Chapter 3 Calibration 3 1 3 1 Calibration Interval 3 1 3 2 Calibration Notice 3 1 3 3 To Obtain Calibration Service 3 1 Chapter ...

Страница 13: ... and Assemble the Fan 4 10 4 11 To Disassemble and Assemble Mainboard 4 11 4 12 To Disassemble and Assemble Keypad PCB 4 12 Chapter 5 Troubleshooting Maintenance 5 1 5 1 Troubleshooting 5 1 5 2 Maintenance and Cleaning 5 4 5 2 1 System Maintenance 5 4 5 2 2 Principles of Circuit 5 4 5 2 3 Components Inspection 5 6 5 2 4 Replaceable Part list 5 10 5 2 5 Warranty 5 12 ...

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Страница 15: ... 0020 0 0030 2 000000mA 0 25V 0 007 0 003 0 030 0 003 0 050 0 003 0 0020 0 0005 20 00000mA 0 07V 0 007 0 012 0 030 0 015 0 050 0 015 0 0020 0 0020 200 0000mA 0 7V 0 010 0 002 0 030 0 003 0 050 0 003 0 0020 0 0005 2 000000A 0 12V 0 050 0 020 0 080 0 020 0 100 0 020 0 0050 0 0010 10 00000A 5 0 6V 0 100 0 010 0 120 0 010 0 150 0 010 0 0050 0 0020 Resistance 6 200 0000Ω 1mA 0 0030 0 0030 0 008 0 004 0...

Страница 16: ...is typical Variation in the current source will create some variation in the voltage drop across a diode junction Performance Versus Integration Time 50Hz 60Hz Power line Frequency Integration Time Number of Power line Cycles NPLC Resolution 1 ppm Range NMRR 2 dB Readings s 3 RMS Noise Adder 4 of Range 50Hz 60Hz DCV 20V DCV 2V 200V Resistance 2kΩ 20kΩ DCV 1000V DCI 2mA 200mA DCV 200mV Resistance 2...

Страница 17: ...us aperture time zero trigger delay auto zero off and 4096 samples Measuring Characteristics DC Voltage Input Resistance 200mV 2V 20V ranges Selectable 10MΩ or 10GΩ For these ranges input beyond 26V are clamped through 106kΩ typical 200V and 1000V ranges 10MΩ 1 Input Protection 1000V Input Offset Current 50pA at 25 typical CMRR common mode rejection ratio 140dB for 1 kΩ unbalance in LO lead 500VDC...

Страница 18: ...esponse Time 300 samples sec with audible tone Continuity Threshold Adjustable from 1 Ω to 2000 Ω Autozero OFF Operation typical value Following instrument warm up at the environment temperature 1 and 5 minutes add 0 0001 range 2 uV for DCV and 2 mΩ for resistance Settling Time Considerations Reading settling times are affected by source impedance cable dielectric characteristics and input signal ...

Страница 19: ... 0 03 1 00 0 03 0 100 0 003 5Hz 10Hz 0 35 0 02 0 35 0 03 0 35 0 03 0 035 0 003 10Hz 20kHz 0 04 0 02 0 05 0 03 0 06 0 03 0 005 0 003 20kHz 50kHz 0 10 0 04 0 11 0 05 0 12 0 05 0 011 0 005 50kHz 100kHz 0 55 0 08 0 60 0 08 0 60 0 08 0 060 0 008 100kHz 300kHz 4 00 0 50 4 00 0 50 4 00 0 50 0 20 0 02 20 00000V 3Hz 5Hz 1 00 0 03 1 00 0 04 1 00 0 04 0 100 0 004 5Hz 10Hz 0 35 0 03 0 35 0 04 0 35 0 04 0 035 ...

Страница 20: ...6 2 000000mA 3Hz 5Hz 1 00 0 04 1 00 0 04 1 00 0 04 0 100 0 006 5Hz 10Hz 0 30 0 04 0 30 0 04 0 30 0 04 0 035 0 006 10Hz 5kHz 0 12 0 04 0 12 0 04 0 12 0 04 0 015 0 006 5kHz 10kHz 0 20 0 25 0 20 0 25 0 20 0 25 0 030 0 006 20 00000mA 3Hz 5Hz 1 10 0 06 1 10 0 06 1 10 0 06 0 200 0 006 5Hz 10Hz 0 35 0 06 0 35 0 06 0 35 0 06 0 100 0 006 10Hz 5kHz 0 15 0 06 0 15 0 06 0 15 0 06 0 015 0 006 5kHz 10kHz 0 35 0...

Страница 21: ...and 50 kHz add 0 1 of range additional error For 50kHz to 100kHz add 0 13 of range additional error 5 ACV 750 range limited to 8x107 Volt Hz For input over 300V rms add 0 7mV error for each additional volt 6 For continuous current DC 7A or AC RMS 7A 30 seconds ON and 30 seconds OFF 7 For frequency blow 100 Hz the specification of slow filter is only for sinewave input 8 Specifications are for sine...

Страница 22: ...ccessible 500mA 250V fast blow fuse at the rear panel for 200uA 2mA 20mA and 200mA ranges Internal 10A 250 V slow blow fuse for 2A and 10A ranges Settling Time Considerations The default measurement delay is selected to give first reading right for most measurements Make sure the RC circuit of input terminal has been fully settled about 1s before accurate measurement Applying 300Vrms or 5Arms will...

Страница 23: ...esolution 1 s 0 1ppm 0 1 s 1ppm 0 01 s 10ppm 0 001 s 100ppm 3 Hz 5 Hz 0 0 12 0 12 0 12 5 Hz 10 Hz 0 0 17 0 17 0 17 10 Hz 40 Hz 0 0 20 0 20 0 20 40 Hz 100 Hz 0 0 06 0 21 0 21 100 Hz 300 Hz 0 0 03 0 21 0 21 300 Hz 1 kHz 0 0 01 0 07 0 07 1kHz 0 0 0 02 0 02 1 Specifications are for 90 minutes warm up using 1s gate time 2 For frequency 300kHz the specification is the 10 to 110 of range of the AC input ...

Страница 24: ...on 750V rms on all ranges Measurement Considerations All frequency counters are susceptible to error when measuring low voltage low frequency signals Shielding inputs from external noise pickup is critical for minimizing measurement errors Settling Time Considerations Errors will occur when attempting to measure the frequency or period of an input following a dc offset voltage change Make sure the...

Страница 25: ...1 20 00mF 1mA 1 0 3 0 01 0 01 100 0mF 1mA 3 0 2 0 05 0 02 1 Specifications are for 90 minutes warm up and using REL operation Additional errors may be caused by non film capacitors 2 Specifications are the 1 to 110 of range on 2nF range and 10 to 110 of range on all other ranges Measuring Characteristics Capacitance Measurement Measurement Method Apply constant current into the capacitance and mea...

Страница 26: ...2 3kΩ 40 to 150 0 08 0 002 5kΩ 40 to 150 0 08 0 002 10kΩ 40 to 150 0 08 0 002 30kΩ 40 to 150 0 08 0 002 Thermocouple 3 B 0 to 1820 0 76 0 14 E 270 to 1000 0 5 0 02 J 210 to 1200 0 5 0 02 K 270 to 1372 0 5 0 03 N 270 to 1300 0 5 0 04 R 270 to 1768 1 0 5 0 09 S 270 to 1768 1 0 6 0 11 T 270 to 400 0 5 0 03 1 Specifications are for 90 minutes warm up Exclusive of sensor error 2 Specification is for 4W...

Страница 27: ...n cold junction temperature tracks the temperature inside the banana jack The change of the temperature in banana jack might cause additional error When using the built in cold junction compensation connect the sensor terminal of the thermocouple to the banana jack and warm it up for more than 3 minutes to minimize the error ...

Страница 28: ...LC 200 167 ms 5 6 100 NPLC 2 1 67 s 0 5 0 6 AC Voltage AC Current 2 3Hz AC Filter 0 2 20Hz 1 5 200Hz 10 200Hz 50 3 Frequency and Period 4 1s Gate Time 1 0 1s 10 0 01s 80 0 001s 500 Capacitance 5 25 1 Auto trigger zero trigger delay auto zero off auto range off math function off and external interface off 2 Use the default trigger delay setting 3 The maximum rate available when trigger delay is set...

Страница 29: ...ing Single Trigger Samples 1 to 50000 External Trigger Input Level 5V TTL compatible Impedance 30kΩ in parallel with 500pF Delay 50 μs Jitter 50 μs ACV ACI FREQ and PREIOD 2ms Polarity selectable rising edge or falling edge Maximum Rate 300 s Minimum Pulse Width 2μs VMC Output Level 5V TTL compatible Output Impedance 100Ω typical Output Polarity Falling Edge Pulse Width about 2μs History Record an...

Страница 30: ...king Environment Full accuracy for 0 to 50 Full accuracy to 40 80 R H Non coagulation Storage Temperature 40 to 70 Operation Altitude Up to 2000m Safety IEC 61010 1 EN 61010 1 UL 61010 1 CAN CSA C22 2 No 61010 1 Measurement CAT I 1000V CAT II 300V Pollution Degree 2 EMC EN 61326 1 Weight About 3 2 kg without package Dimension h w l 107 0mm 231 6mm 290 5mm Remote Interface GPIB 10 100Mbit LAN USB 2...

Страница 31: ...test the beeper makes a sound The screen displays PASS which indicates that the hardware of the instrument is working normally confidence level 90 or FAIL when the test completed In Remote mode sending TST will also start the self test and query its result The returned value 0 denotes test passed while 1 denotes test failed The whole test process lasts about 18 seconds and appropriate interface ti...

Страница 32: ...622 Ohms 10uA Current Source Test 623 Ohms 100uA Current Source Test 624 Ohms 1mA Current Source Test 625 AC Gain Test 626 Frequency counter Test 627 Capacitance Function Test 628 FPGA Configuration failed NOTE Although the meter automatically cuts off the connection with the input signal while self testing ac signals from the input terminal may still enter the meter and causes failure of the self...

Страница 33: ... can evaluate the accuracy of the meter in normal use rather than to detect an element failure Fast Test Directions Step1 Run the test Step2 Execute the test items marked with Q indicates the optional quick test item in Routine Test NOTE The fast test does not apply to the units with an abnormality in some certain functions The meter failed to pass the routine test must be calibrated or repaired b...

Страница 34: ...cifications given in the 1 year column of Allowable Error Range from tables Table 2 3 to Table 2 7 in Routine Test Note the meter should be recalibrated once the calibration interval time is up NOTE The meter passed the routine test must be tested again when the test time interval is exceeded The meter failed to pass the routine test must be calibrated or repaired before it is put back into use ...

Страница 35: ...Test None Pure copper 4 terminal short circuiter DC Voltage Fluke 5520A and Agilent 3458A contain accessory 002 1 5 dmm 24 hour spec DC Current Fluke 5520A and Agilent 3458A contain accessory 002 1 5 dmm 24 hour spec Resistance Fluke 5520A and Agilent 3458A contain accessory 002 1 5 dmm 24 hour spec AC Voltage Fluke 5520A 1 5 dmm 24 hour spec AC Current Fluke 5520A 1 5 dmm 24 hour spec Frequency F...

Страница 36: ...ce effect In the process of capacitance testing a coaxial cable should be used to minimize the external interference and noise 7 Ground the shield of both twisted pair and coaxial cable as well as the LO terminal of calibrator unless otherwise specified The DM3068 was designed for high precision you must be more careful while testing or calibrating in order to avoid errors In an optimal situation ...

Страница 37: ... connected to the LO terminal should be used for the capacitance test while a Teflon Shielded Twisted Pair with isolation and as short as possible is available for other kinds of tests But please note the terminals HI LO HI Sense and LO Sense must be used through a coaxial cable and the shielding layer must be grounded so as to reduce the influence from low thermoemf and exterior interference Figu...

Страница 38: ...y step test for the functions under different ranges specified in the following table and set the integration time to 100PLC Please note that none of the math function is allowable unless otherwise stated 4 Compare the tested results with the limits in the table Figure 2 2 Zero offset test connection Table2 3 Zero offset test items Function 1 Range Input signal Quick Test 3 Allowable Error Range 2...

Страница 39: ...0kΩ short 1Ω 2Ω 2Ω 1 00000MΩ short Q 10Ω 10Ω 10Ω 10 0000MΩ short 100Ω 100Ω 100Ω 100 000MΩ short 10kΩ 10kΩ 10kΩ Remarks 1 The integration time is set to 100PLC 2 Specifications are for 4 wire or 2 wire resistance measurement using REL operation If 2 wire resistance measurement is used without REL operation add 0 2 Ω additional errors 3 Q denotes the optional quick test point ...

Страница 40: ...nal Quick Test 4 Allowable Error Range 24 hours 90 days 1 year DC Voltage 200 0000mV 200mV 8μV 11μV 13μV 200 0000mV 200mV 8μV 11μV 13μV 2 000000V 2V Q 40μV 52μV 82μV 2 000000V 2V 40μV 52μV 82μV 20 00000V 20V Q 480μV 700μV 900μV 20 00000V 20V 480μV 700μV 900μV 200 0000V 200V Q 5 2mV 9 2mV 11 2mV 200 0000V 200V 5 2mV 9 2mV 11 2mV 1000 000V 1000V Q 26mV 50mV 65mV 1000 000V 1000V 26mV 50mV 65mV DC Cur...

Страница 41: ...ults with the limits from the table make sure the calibrator can adequately output Table 2 5 AC voltage gain test items Range 1 Test Signal Input Frequency Quick Test 2 Allowable Error Range 24 hours 90 days 1 year 200 000 mV 200mV 10Hz 760μV 780μV 780μV 200mV 20kHz Q 140μV 180μV 200μV 200mV 50kHz 300μV 320μV 340μV 200mV 100kHz 1 26mV 1 36mV 1 36mV 200mV 300kHz 9mV 9mV 9mV 2 00000 V 2V 10Hz 7 4mV ...

Страница 42: ...0nA 200μA 10kHz 2 1μA 2 1μA 2 1μA 2 000000mA 2mA 1kHz Q 3 2μA 3 2μA 3 2μA 2mA 5kHz 3 2μA 3 2μA 3 2μA 2mA 10kHz 9μA 9μA 9μA 20 00000mA 20mA 1kHz Q 42μA 42μA 42μA 20mA 5kHz 42μA 42μA 42μA 20mA 10kHz 210μA 210μA 210μA 200 0000mA 200mA 1kHz Q 280μA 280μA 280μA 200mA 5kHz 280μA 280μA 280μA 200mA 10kHz 900μA 900μA 900μA 10mA 10kHz Q 520μA 520μA 520μA 2 000000A 2A 1kHz Q 4 2mA 4 2mA 4 2mA 2A 5kHz 4 2mA 4...

Страница 43: ... of a shielded cable to the input terminal of the meter and leave the other end free then enable the REL operation 4 Connect the other end to the calibrator 5 Input signals in accordance with the table below using the calibrator and compare the results with the limits from the table make sure the calibrator can adequately output 6 Repeat step 2 3 4 and 5 to finish the test Table 2 8 Capacitance te...

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Страница 45: ...ll not be guaranteed until you perform a periodical calibration An interval higher than 1 year is not recommended under all circumstances 3 2 Calibration Notice To ensure accuracy the meter should be completely recalibrated when the interval is reached whatever interval is chosen Even though the meter has passed the performance test the specifications see Specifications cannot be guaranteed unless...

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Страница 47: ... off the meter power before and during disassembling Wear the anti static hand ring or take other anti static measures when disassembling Use proper tools and correctly disassemble the meter in sequence below Prevent metallic parts from transfiguration and scratch when disassembling metal parts Tools Club screwdriver T10 T15 Diagonal cutting pliers WARNING Make sure the power is cut off before dis...

Страница 48: ...the steps and be careful not to scratch the surface of the instrument and the PCB when disassembling or assembling the instrument for details refer to Disassembly and Assembly Notices The recommended disassembling procedures are as follows Handle Rear Panel Metallic Shell Fuse Seat GPIB PCB Filter Board and Power Frequency Transformer Front Panel and LCD Fan Mainboard Keypad PCB To put above parts...

Страница 49: ...ice Guide for DM3068 4 3 4 3 To Disassemble and Assemble Handle To remove the handle grasp it by the sides and pull outward then rotate the handle until it is out of the meter body see figure below Figure 4 2 To disassemble and assemble handle ...

Страница 50: ...RIGOL Chapter 4 Disassembly Assembly Service Guide for DM3068 4 4 4 4 To Disassemble and Assemble Rear Panel Figure 4 3 To disassemble and assemble rear panel ...

Страница 51: ...Chapter 4 Disassembly Assembly RIGOL Service Guide for DM3068 4 5 4 5 To Disassemble and Assemble Metallic Shell Figure 4 4 To disassemble and assemble metallic shell ...

Страница 52: ...RIGOL Chapter 4 Disassembly Assembly Service Guide for DM3068 4 6 4 6 To Disassemble and Assemble Fuse Seat Figure 4 5 To disassemble and assemble fuse seat ...

Страница 53: ...Chapter 4 Disassembly Assembly RIGOL Service Guide for DM3068 4 7 4 7 To Disassemble and Assemble GPIB PCB Figure 4 6 To disassemble and assemble GPIB PCB ...

Страница 54: ...RIGOL Chapter 4 Disassembly Assembly Service Guide for DM3068 4 8 4 8 To Disassemble and Assemble Filter Board Transformer Figure 4 7 To disassemble and assemble filter board transformer ...

Страница 55: ...Chapter 4 Disassembly Assembly RIGOL Service Guide for DM3068 4 9 4 9 To Disassemble and Assemble Front Panel LCD Figure 4 8 To disassemble and assemble front panel LCD ...

Страница 56: ...RIGOL Chapter 4 Disassembly Assembly Service Guide for DM3068 4 10 4 10 To Disassemble and Assemble the Fan Figure 4 9 To disassemble and assemble the fan ...

Страница 57: ...Chapter 4 Disassembly Assembly RIGOL Service Guide for DM3068 4 11 4 11 To Disassemble and Assemble Mainboard Figure 4 10 To disassemble and assemble mainboard ...

Страница 58: ... Guide for DM3068 4 12 4 12 To Disassemble and Assemble Keypad PCB Figure 4 11 To disassemble and assemble keypad PCB Please try to assemble and disassemble your instrument as above orders or directions to avoid damages to the meter and save time ...

Страница 59: ...f the voltage selector is switched to a right level 6 If the unit still cannot work properly contact your local RIGOL distributor Power indicator status Always on the meter is working Flashing standby mode Always off close down How to replace the fuse The power fuse is already installed on the fuse seat of the rear panel before leaving factory to replace it please Step1 cut off the power supply an...

Страница 60: ...k 1 Check the connections of the current input terminals 2 Check the current input fuse 5 Readout is stable and non zero when HI LO is shorted under voltage measurement 1 Disable all math operations 2 Set the integration time to 100 PLC and enable Autozero 3 Check the voltage selector if proper scale is selected 4 Make sure your meter has been warmed up as requested 6 Dark in screen backlight 1 Re...

Страница 61: ...eck the USB connection 2 Check the driver you are using have a newest from RIGOL website if desired 3 Check if the software can correctly identify the meter if multiple USB devices are connected to your PC 11 Readout becomes slowly or stops during the measurement 1 Check if there is any changes to the auto trigger interval and restore it when this happens 2 Check the indicator of Single button if ...

Страница 62: ... error before continuing on In addition test and calibrate the meter within the prescribed time limit to ensure the credibility of the measurement 4 Put all things away after each use 5 Keep the accessories for next using 5 2 2 Principles of Circuit The DM3068 used a circuit containing a floating grounding and power circuit 1 The floating circuit includes the current fuse signal input end on the f...

Страница 63: ...is 115V and the other is 230V The transformer reduces the ac voltage into multi path to supply for the floating 9V one group and grounding an 8 5V and two sets of 17V circuits respectively Related rectification circuit and filter circuit as well as voltage stabilized circuit are contained in both circuits for transforming the low ACV into the stable DCV to supply for each circuit Note the rectific...

Страница 64: ... circuit the test lead ends if the testing result is connecting the fuse is normal otherwise it may have been blown out 2 Power Frequency Transformer The DM3068 is powered by a power frequency transformer The power socket is equipped with a fuse socket and switch You can select an input winding for the transformer through the voltage selector in order to accommodate different mains voltage For cou...

Страница 65: ...ltage is half or double of the typical value inaccurate location might be selected for the voltage selector 3 If the vice voltage is less than the minimum the mainboard may have a short circuit please remove the vice socket of the transformer from the mainboard please cut off the electricity before operating and test the voltage in vice side if the voltage gets back to levels short circuit has hap...

Страница 66: ... self check program to inspect whether the button and backlight from the panel are normal Inspection method Press and hold the first menu key on the left side and turn on the multimeter after about 5 seconds and until you hear a sound the meter starts testing the keypad The basic measurement keys parameter keys and trigger control keys are flashing during the test and a status picture is shown on ...

Страница 67: ...Chapter 5 Troubleshooting Maintenance RIGOL Service Guide for DM3068 5 9 WARNING If a failure occurs contact RIGOL and never disassemble the instrument by yourself to avoid accident or losing ...

Страница 68: ...ovides some replaceable parts for you to maintain or update the meter which are Table 5 2 Replaceable Part List Part No Name Quantity 1 Front panel 1 2 Handle 1 3 Rubber keypad 1 4 Banana socket 1 5 Rear panel 1 6 Non slip mat 8 7 Metal shell 1 8 Shielding 1 9 Clapboard 1 10 Mainboard 1 11 Button 1 12 PCB USB 1 ...

Страница 69: ...le 1 26 LCD screen 1 27 BNC plastic 2 28 FuseHolder b02 1 29 GPIB 24PIN female 1 30 Net interface 1 31 Voltage selector 1 32 Electric outlet 1 33 Transformer 1 34 USB interface vertical long 1 35 Banana interface 5 36 Nut for Banana interface 5 37 Cross recessed small pan head screws GB 4 38 Cross recessed pan head tapping screws GB 7 39 Cross recessed pan head screws GB 17 40 Cross recessed pan h...

Страница 70: ...he free replacement or repair of products which are approved defective To get repair service please contact with your nearest RIGOL sales and service office RIGOL does not provide any other warranty items except the one being provided by this summary and the warranty statement The warranty items include but not being subjected to the hint guarantee items related to tradable characteristic and any ...

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