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MODEL MX54 - Chauvin Arnoux Group

1. RERO NOI a a 5 3 2 Switching on the instr ment rp eite re err ree Ere er e a eer esed reader soa er per Een 5 3 9 Switching off the ASUMEN ze n ne tre ed dee red o Me DA ER ER MB AC e Re RE FRA REC EE A 5 3 4 Special configurations EP RES 5 3 5 Multimeter malntenanCe coi A tede 6 3 51 6 3 5 2 Battery self testis eneeier annoia kae tienta li 6 3 5 3 Replacing the battery or fUSes ii 6 3 5 4 CIOAMING i ii OHIO COR a aa oo laa 6 4 FUNCTIONAL DESCRIPTION dd 7 4 SELON Key cit REA cats mai am mtt ae eee hes 7 AlAs POSO 7 4 1 2 mV POSO cd e ie care E De ee eae 7 A P EP 8 4 174 POSO mcer eg tare ha fro rues eee aria die arene ade a 8 a BOSE ice ie AA 8 4 1 6 A mA 10 A positions 2 5 e LE te dad 9 4 1 7 GPOSIDOD iiti it e DE D ban D LOGER EDO LM DOR RE ai fal Gb Ld Oo Hi du 9 4 20 PulcEc 10 4 3 BEBKey A AA do sere educere eerte reete te mter Ae ev dan eve dg 10 4 4 Ky ii ai etate e a on dte a A 10 4 5 E E 10 AIG ZOOM Key utes an da tada 10 ALT SURV E EE 11 4 8 RM IC A a eh A cae a i E PT 11 AO PRINT aoe oat ot
2. 4 6 Chapter RANGE key e AUTO mode to switch to MANUAL mode short press e MANUAL mode to select the next range short press or return to AUTO mode long press Measurements concerned voltages except 500 mV range capacitance resistance current except 10 A range e When making time measurement frequency duty cycle if the range change made during previous measurements Voltage or Current was in manual mode it may be necessary to adapt this measurement range to the signal level injected at the input This is why the RANGE key is used to change from one range Voltage or Current to the next range The new range is then displayed for 2 seconds REL key Short press REL mode the last value measured becomes the reference value derived from subsequent measurements In temperature measurement the REL key used to compensate the connexions resistance refer to 4 1 7 Long press When in REL mode a long press displays the reference being used This value may be adjusted using the SEL ON key selection of digits and a sign and the RANGE key increment the selected digit Pk key The fast positive or negative peak measurement functions gt 1 msec can be accessed by repeatedly pressing this key in the mVpc mApc and 10 A pc functions HOLD key Short press Fixes the display on the current value Long press Accesses or quits the autostore mode Can be accessed in mV Vac pos
3. PORTABLE DIGITAL MULTIMETER MODEL MX54 USER MANUAL INSTRUMENTS Chapter USER S MANUAL CONTENTS jEEcis 2 UM Eie re 1 el Precautions and Safety Mmeasures ia ere DO EO DUO eT ER E HR E Dx e rU E aU 1 Tel T Beforese rara coe fece errorum reete A e p IN Me 1 1 1 2 During US veces tee e vr eerte sie there re Ed ASADA aes Ao LEN Ded TH d ca be 1 11 9 O MU mM 2 1 1 4 Opening the instr mernt itr Er n Do Tm Cedere a 2 1 2 Protection devices cido ss ed te er de en ore a ve dete e oe e e aur pe e Pen aee oda aa dure dn 2 1 3 5 RI rica IEEE Aa A AI 3 UR ER CC E EL 3 1 5 Maintenance and metrological verification essen nennen nennen nennen 3 1 6 Unpacking Repacking 5 c enceinte ta Tee adi te faftus ian 3 2 DESCRIPTION me 4 2 1 Selector SwitChi id rented mte bem ta beu rca te ner pen b Pasce ten bes bee 4 2 2 sre e i Lik ett tes sat pote cbe ed ee ee ee Ce ed ed 4 A A LE M MM E oe mL cnr 4 2 4 Power supply rro rn ete tea E e tet eu ra 4 2 5 Inp tterminials ane ehe iue RHENUS uo REIR HERR UP UU RE 4 3 COMMISSIONING rociar sica 5 3 1 Connecting the test lOadS ss
4. aged However it is advisable to carry out a rapid check for damage sustained in shipping If there is any evidence of damage make this known immediately to the shipper d Caution Should you need to return the instrument preferably use the original packaging and indicate the reasons as clearly as possible on an accompanying note Note Our products are patented in FRANCE and ABROAD The logotypes are registered The manufacturer reserves the right to modify specifications and prices as required by technological improvements Portable digital multimeter 3 2 2 1 2 2 2 3 2 4 2 5 Chapter DESCRIPTION This multimeter is one of the ASYC II Advanced Safety Concept second generation family designed for a high degree of user safety maximum protection and a hitherto unrivalled performance Selector switch It is a standalone handheld professional measuring instrument capable of measuring the following quantities accessed by the ten position rotary selector switch AC voltages with AC or RMS capacitive coupling AC voltages with AC DC or TRMS direct coupling DC voltages AC currents with AC or RMS capacitive coupling AC currents with AC DC or TRMS direct coupling DC currents resistance values continuity with beeper Capacitance diode threshold voltage frequencies duty cycles dBm noise on the 50 60 Hz mains supply temperature Keypad An t
5. e AO m ein 11 Se lai 11 5 TECHNICAL SPECIFICATIONS rrrreriiii ine 12 5 1 voltages iie enini ento 12 5 2 AC voltages AC and AC DC nc 12 MT 13 5 4 currents AG AG EDO 2 o bete eH ete EUER PROP ecce id On Lo da o reno idt COR UR ds 13 Resistance ber ven qu MR ARRE 14 5 6 o tm e ede D m eee I veu ee he dere e v ee Or dede Reed on cds ede cene a ce dis e 14 5 7 Diode threshold voltage measurement iii 15 5 8 Frequencies ictericia 15 5 9 Duty CY EE PEV ETET E E as 15 5 10 Temperature FUNCIU sime enn neie preti a taa 16 5 11 AA phe n Ai pene baia pesi ditt invo due oe 16 5 12 Analysis of noise on the 50 60 Hz 16 6 GENERAL SPECIFICATIONS 1 enne dmn annor Dr iii iii ieri 17 Portable digital multimeter 21 Chapter 1 GENERAL INSTRUCTIONS You have just acquired a portable digital multimeter and we thank you for your purchase This instrument complies with the specification of IEC publication 1010 1 concerning safety requirements for electronic measuring apparatus To get the best service from this instrument read caref
6. e in continuity mode 1 ms 5 6 Capacitance Note Discharge all capacitors before taking measurements Measurement current Max measurement Ranges Accuracy time Protections Resolution 50 nF 1 R 2D 100 nA 600 VRMS 10 pF Bon 1 20 TWA oss 6o0Vaws 100pF Overload protection can be reset automatically It is highly recommended to use very short test leads for measurements in this range Number of points 5 000 Range selection automatic or manual Maximum open circuit voltage 7M Portable digital multimeter Chapter 5 7 5 8 5 9 Diode threshold voltage measurement Measurable voltages 0to2V Measurement current 1 mA 20 Resolution 1mV Protection 600 VRMS can be reset automatically Frequencies Selector switch setting Vac mV Vpc mA 10A Measurement range 0 62 Hz to 500 kHz Accuracy 0 03 Protection 1100 VPK in Vac MV Voc modes 600 VRMS F1 F2 in mA mode 600 VRMS F2 in 10 A mode Display 50 000 points SENSITIVITY Range 500 mV 5 V to 500 V 750 V 10A 500 pA to 500 mA 0 62 Hz to 5 kHz 2 of range 100 V 5 kHz to 50 kHz 5 of range 250 V 2A 50 kHz to 500 kHz WII 10 of range WII rectangular signal additional positive limit in DC 3 96 of range except in 1000 Vpc range 150 V additional and in 10 Apc 1 5 A additional Duty cycle CA x 100 2x 100 LI T T Resolution 0 0196 Minimum duration for 6 o
7. en key keypad lets you select the autoranging mode RANGE key store a value HOLD key measure fast peaks Pk key set the measurement relative to a reference value REL key select a function derived from the main function or switch on the multimeter again after it has been shut down automatically SEL ON key select time domain measurements frequency duty cycle Hz key select survey mode to detect minimum maximum or average value SURV key expand the bargraph scale ZOOM key activate sending data to a printer PRINT key activate back lighting of the display unit key X X XxX X X X x X Display The display shows clearly legible figures 14 mm high a readout of the parameter being measured through a 34 segment bargraph perform 50 000 point measurements high resolution perform 5 000 point measurements low resolution Display backlight when required in poor lighting conditions Automatic switch off x Power supply It is powered by a standard 9 V battery which provides approximately 500 hours of operation Input terminals Measurements are performed using two measuring leads supplied with the instrument connected to input terminals 1 2 3 and 4 as indicated in S 3 1 Portable digital multimeter Chapter 3 3 1 3 2 3 3 3 4 COMMISSIONING Connecting the test leads Connect the black lead to the COM socket for all measurements Depending on the posi
8. ey allows a direct selection of the voltage or current function PRINT key This key operates with optional interface accessory for printer or PC Short press activates deactivates send measures to printer mode at the rate defined by the user Long press adjusts the rate varying from 00000 sec a single transmission up to 9h 59 min 59 sec using the SEL ON key selection of digits and the range key increment the selected digit key Activates deactivates back lighting of the display unit It automatically goes off after about 30 seconds Portable digital multimeter 11 Chapter 5 TECHNICAL SPECIFICATIONS Only those values assigned tolerances or limits are guaranteed values Values without tolerances are given for information only French standard NF C 42 670 Accuracy n 6 R nD means n of the reading n digits as per IEC 485 5 1 DC voltages Selector Ranges Accuracy Input Protection Resolution switch position impedance 500 mV 0 05 R 2D 10 MOAGO 1100 10 uV 0 05 R 2D 11MQ 1100 VPK 100 uV Voc 0 05 R 20 10 1100 VPK 500V 0 05 R 2D 10M2 1100 VPK 1000V 0 05 20 10 1100 VPK 100 mV refer to 8 3 4 1 mn max Number of points 50 000 or 5 000 refer to 3 4 Range selection automatic or manual for the 5 V 50 V 500 V 1000 V ranges Common mode rejection at 50 and 60 Hz better than 120 dB Serial mode rejection at 50 and 60 H
9. ficient resistor protects against permanent overvoltages of up to 600V during resistance capacitance and diode test measurements This protection is reset automatically after overload Two fuses provide protection during measurements of intensity type Maximum protection between mA and 10 A input terminals 500 V An IP protection rating of 67 1 3 Safety devices The battery unit and fuses cannot be accessed without first disconnecting the measuring leads When measuring voltages above 24 V the sign blinks O on the display If the maximum range is repeatedly exceeded an intermittent audible signal indicates the risk of electric shock 1 4 Warranty This equipment is warranted against any defects of manufacture or materials according to the general conditions of sale During the warranty period 3 years defective parts will be replaced the manufacturer reserving the right to repair or replace the product In the event of the equipment being returned to the after sale department or to a local agency carriage to the centre shall be payable by the customer 1 5 Maintenance and metrological verification Return your instrument to your distributor for any work to be done within or outside the guarantee 1 6 Unpacking Repacking This equipment has been fully checked out mechanically and electrically before shipping All precautions have been taken to ensure that the instrument arrives at its destination undam
10. gue bargraph display appropriate units for each type of measurement triggered mode indicators relative ranging battery discharged indicator Measurement rate Digital display Bargraph Portable digital multimeter 2 measurements s 20 measurements s 17 6 1 Chapter Accessories AC current clamp Model MN251 200A Cat 2115 77 AC current clamp Model MD303 500A Cat 1201 21 AC current clamp Model SR652 1000A Cat 2113 46 DC AC MicroProbe Model K110 from 1001 AC DC to 300mA 450 Cat 2111 73 AC DC current clamp Model MR410 400A AC 600A Cat 1200 70 Flexible current probe Model 1000 24 1 1 1000A Cat 2112 39 Replacement leads i Sexe ten ek earner ue ee eS ee aS Cat 2118 66 o Aaa Cat 2118 65 Grey holster with handle enn Cat 2118 67 Application SoftWare ede ee lla tute Cod Cat 2118 61 Fuse setot 10 LOA GOOV iiie nice tie site PE a Cat 2118 62 10 0 69A o uc pe teo ee CO ci oh Once ES oon EE Cat 2118 64 Portable digital multimeter
11. ile memory Choose a low resolution mode 5 000 points Switch on with the rotary switch while holding down the REL key The selection is displayed for two seconds Portable digital multimeter 5 Chapter 3 5 Multimeter maintenance 3 5 1 Fuse self test When fuse F1 0 63 A or F2 10 A is blown the display shows FUSE 1 or FUSE 2 accordingly If both fuses are blown the display shows FUSES Replace the fuse or fuses concerned Note Fuse F1 cannot be tested unless the switch is set to the uA mA position Fuse F2 is located in the common circuit Therefore V and gt gt measurements in the 10 A range become impossible when it is out of service 3 5 2 Battery self test When the BAT indication appears on the display the instrument still has approximately 50 hours of operation but specifications can no longer be guaranteed Replace the battery 3 5 3 Replacing the battery or fuses Open the multimeter casing as follows refer to last page of the manual 1 Remove the stand from the back of the instrument Figures 2 and 3 2 Remove the SECUR X cover using the stand Figure 4 3 Remove the front cover using the stand as a lever Figure 5 4 Remove the gasket 5 Replace the battery or fuse Before use make sure that the gasket then the front cover are carefully set back on the instrument 3 5 4 Cleaning Clean the multimeter using a damp cloth Do not use abrasives or solven
12. itions Autostore Set the probes on the point to be measured An audio signal indicates if the measurement is stable When you remove the probes a second audible signal indicates that this stable value displayed has been stored ZOOM key You can press this key to expand the bargraph readout five times for positive measurements and eleven times for bipolar measurements one centred around zero centre zero mode Adjusts ohm value references in dB and audio power measurements When the current measurement is dB or audio power you can display the resistance reference with the ZOOM key long press This value can then be adjusted using the SEL ON and RANGE keys You quit the ohm reference adjustment mode with the ZOOM key short press Portable digital multimeter Chapter 4 7 4 8 4 9 4 10 SURV key If you press this key long press you access the surveillance mode or coming out in which minimum MIN maximum MAX and sliding average AVG values of the current measurement are stored You can look up each of these values by repeatedly pressing the same key short press The symbols MIN MAX or AVG flicker with the selected value Note When entering in the SURV mode non coherent values may be displayed Hz key When the current positions are Vac MV MA and 10 A the Hz key invokes in turn frequency measurement positive duty cycle measurement and negative one A long press on Hz k
13. l danger and risk of electrical injury such as from inadvertent short circuits Where the assessment show that the risk is significant then the use of fused test leads constructed in accordance with the HSE guidance note GS38 Electrical Test Equipment for use by Electricians should be used Never exceed the protection limit values indicated in the specifications for each type of measurement When the multimeter is connected to energized circuits do not touch unused terminals Portable digital multimeter 1 2 1 1 4 Chapter I When the scale of the value to be measured is unknown check that the scale initially set on the multimeter is the highest possible or wherever possible choose the autoranging mode Before changing functions disconnect the test leads from the circuit under test When performing current measurements do not connect or disconnect leads without first isolating the current If you do there is a risk of generating surge currents which can blow the fuses or damage the instrument In TV repair work or when carrying out measurements on power switching circuits remember that high amplitude voltage pulses at the test points can damage the multimeter Use of a TV filter will attenuate any such pulses Never perform resistance measurements on live circuits Symbols AN Warning Refer to the user s manual AN Danger high voltage Risk of electric shock Earth terminal Opening the instru
14. ment Before opening the instrument always disconnect from all sources of electric current and make sure not to be loaded with static electricity which may destroy internal components Fuses must be replaced with fuses of the same rating and type Any adjustment maintenance or repair work carried out on the multimeter while it is live should be carried out only by appropriately qualified personnel after having taken into account the instructions in this present manual A qualified person is one who is familiar with the installation construction and operation of the equipment and the hazards involved He is trained and authorized to energize de energize circuits and equipment in accordance with established practices When the instrument is open for maintenance purposes for example remember that some internal capacitors can retain a dangerous potential even after the instrument is powered down If any faults or abnormalities are observed take the instrument out of service and ensure that it cannot be used until it has been checked out It is recommended to remove the battery from the instrument if not used Protection devices ASYC II series instruments are fitted with various protection devices Portable digital multimeter Chapter Varistor protection for limiting transients of over 1100 V at the terminal particularly 6 kV pulse streams as defined in French standard NFC 41 102 A PTC Positive Temperature Coef
15. r 6 2 us Maximum duration for T 0 8 s Minimum duration for T 100us 3107 Absolute error on duty cycle as a Sensitivity refer to sensitivity in frequency measurement mode a C Absolute additional error on due to the zero crossing slope 0 1 x 0 1 x B with C or A range C 5000 V for 1000 Vpc ou 750 Vac ranges and C 50 A for 10 A ranges with P slope in V s or in A s Portable digital multimeter 15 5 10 5 11 5 12 Chapter Temperature function temperature range 200 C to 800 C resolution 0 1 C accuracy 0 5 C from 125 C to 75 C 1 C from 150 C to 700 C temperature sensors platinum probes Pt 100 or Pt 1000 unity C or F connection resistance compensation with REL key refer to 4 1 7 for Pt 100 Pt 1000 selection C F selection and connection resistance compensation procedure dB function Displays measured values in dBm relative to a resistance reference which can be adjusted from 1 to 9999 ohms and backed up in non volatile memory factory set to 600 ohms refer to dressing procedure in 4 6 Resolution 0 01 dB Absolute error in dB 0 09 x Vac relative error as a percent Additional computation error 0 01 dB Measurement range 10 mVac to 750 Vac Protection 1100 VPK Analysis of noise on the 50 60 Hz mains This function simultaneously shows Presence of spikes gt 80 V in the 1 kHz 100 kHz band b
16. tion of the selector switch connect the red lead as follows Rotary selector switch position Input terminal Switching on the instrument Turn the selector switch to the required function All segments of the display come on for a few seconds The instrument is then ready for measurements Switching off the instrument The instrument can be switched off manually by returning the selector switch to the OFF position or automatically after approximately half an hour if no key is pressed or the switch is not operated Note Automatic shutdown of the instrument is disabled in order to avoid interrupting the surveillance mode SURV peak measurements Pk or a data print out For user safety automatic shutdown is also disabled when a measured magnitude Voltage current present at the input exceeds dangerous levels ZN indicator displayed Special configurations To adapt the configuration of the instrument to the measurement environment the user can Choose 50 Hz or 60 Hz rejection Switch on with the rotary switch while holding down the HOLD key The selection is reversed from the last configuration is displayed for two seconds and remains backed up in non volatile memory Choose the input impedance for measurements in the mV range Switch on with the rotary switch while holding down the RANGE key The selection is reversed from the last configuration is displayed for two seconds and remains backed up in non volat
17. ts 6 Portable digital multimeter Chapter 4 FUNCTIONAL DESCRIPTION 4 1 SEL ON key This can be used to switch on the multimeter again after an automatic shutdown It can also be used to access secondary functions associated with the selector switch positions The flowcharts below define these various functions 4 1 1 Vac position AC voltage measurements SEL ON dBm measurement SEL ON Analysis of mains noise y 4 1 2 mV position DC voltage measurement 500 mV range AC DC voltage measurement 500 mV range SEL ON Portable digital multimeter 7 Chapter 4 1 3 Voc position DC Voltage measurement AC DC Voltage measurement y 4 1 4 Q position i l 4 1 5 TF position Capacitance measurement SEL ON Diode voltage measurement Portable digital multimeter Chapter 4 1 6 pA mA 10 A positions DC current measurement SEL ON Y AC DC current measurement SEL ON 4 1 7 C Position Temperature measurement SEL ON 1 sec SEL ON 1 sec Connections short circuited Sensor selection Scale selection Pt 100 Pt 1000 C F Temperature measurement with connection resistance compensation C F selection and Pt 100 Pt 1000 selection are saved in non volatile memory Pt 100 selection is indicated by display of Q symbol and Pt 1000 by display of symbol Portable digital multimeter 4 2 4 3 4 4 4 5
18. ully this user s manual and respect the detailed safety precautions 1 1 Precautions and safety measures 1 1 1 Before use This device can be used for measurements on category III installations pollution rating 2 for voltages never exceeding 600 V AC or DC relative to the earth Definition of overvoltage categories cf publication IEC 664 1 CAT I CAT II CAT IV The circuits of CAT are protected by measures limiting transient overvoltages to appropriate low level Example protected electronic circuits The circuits of CAT Il are power supply circuits of appliances or portable equipment with transient overvoltages of an average level Example appliances and portable equipment The circuits of CAT III are power supply circuits of power equipment with important transient overvoltages Example fixed installation or industrial equipment The circuits of CAT IV may comprise very important transient overvoltages Example primary supply level For your own safety only use the measuring probes which have been delivered with the instrument they conform to the IEC 1010 1 safety standard Before use check that they are in good condition 1 1 2 During use Test equipment risk assessment Users of this equipment and or their employers are reminded that Health and Safety Legislation require them to carry out a valid risk assessment of all electrical work so as to identify potential sources of electrica
19. uses Resolution position drop 500 0 2 R 5D 700mV 600vams F1 F2 refer to fuse specifications 6 1 1 Number of points 50 000 or 5 000 refer to 3 4 Range selection automatic or manual for the 500 yA 5 mA 50 mA 500 mA ranges Additional error in Pk mode for a pulse width of gt 1 ms 1 R 50 D 5 4 currents AC and AC DC Ranges Accuracy Protection Fuses Resolution someone Li ii di 0 CT 0 6 R 30D refer to fuse specifications 6 1 1 AC DC only Portable digital multimeter 13 Chapter Number of points 50 000 or 5 000 refer to 3 4 Range selection automatic or manual for the 500 yA 5 mA 50 mA 500 mA ranges Additional error according to crest factor 0 2 for a crest factor of 2 to 0 5 for a crest factor of 3 to 6 Specification given full scale for a squarewave signal pulse 200 us wide 5 5 Resistance Continuity Ranges Accuracy ee een Protections Resolution curren 500 Q 4 0 07 600 VRMS 0 07 R 2D 100 yA 600 VRMS 100 mQ Overload protection can be reset automatically It is highly recommended to use very short test leads for measurements in this range Number of points 50 000 or 5 000 refer to 3 4 Range selection automatic or manual fixed in continuity mode Maximum open circuit voltage 7V Detection threshold in continuity mode 10 Q to 20 Q Response tim
20. y a bar 111 display next to the symbol Presence of noise level gt 25 V in the 1 kHz 100 kHz band by a bar 111 display next to the symbol The rms value of the mains voltage 50 or 60 Hz in the 500 Vac range accurate to 1 Portable digital multimeter Chapter 6 GENERAL SPECIFICATIONS Adjustment The multimeter incorporates a non volatile memory containing the adjustment characteristics for all measurement ranges This enables the instrument to be re adjusted via a serial link without opening the instrument It is supplied with a certificate of verification Safety Environment Indoor use Altitude lt 2000 m Reference temperature Rated range of use Limit range of operation Storage temperature range Temperature coefficient Relative humidity Casing and circuit Operating quality Electromagnetic compatibility Power supply 9 V alkaline battery 6LF22 Mechanical Dimensions Packaging Dimensions Display Liquid crystal display comprising 189 x 82 x 40 mm 230 x 155 x 65 mm According to IEC 1010 1 18 C to 28 C 0 C to 50 C 10 C to 60 C 40 C to 70 C max 0 1 x accuracy K 0 to 80 from 0 to 40 C 70 max for 5 MQ 50 MQ 0 to 70 from 40 C to 50 C 60 above 50 C self extinguishing materials IEC 359 NF EN 61326 1 typical life of 500 hours in Vpc mode Weight 400 g Weight 500 g a 50 000 point display sign digits 14 mm high a 34 bar analo
21. z better than 60 dB Additional error in Pk mode for a pulse of gt 1 ms 1 50 D 5 2 AC voltages AC and AC DC Selector Ranges Input Protection Reso Switch Accuracy impedance lution position 40Hz 1kHzto 4 kHz to 10 kHz to 30 kHz to to 1 kHz 4 KHz 10 kHz 30 kHz 50 kHz from 596 to 10096 of range from 1096 to 10096 of range 500 7 R TUM 10 mM GQ 1 10 SELION 50D 100 pF a 11 MQ 1100 100 pV 100 pF VPK 0 3 R 30D 1 R 2 R 30D 396 10 MQ 1100 1mV 30D 30D 100 pF VPK a 10 MQ 1100 10 mV 100 pF VPK 11100 pF VPK only refer to S 3 4 1 mn max Number of points 50 000 or 5 000 refer to 3 4 Range selection automatic or manual for the 5 V 50 V 500 V 750 V ranges Common mode rejection at 50 and 60 Hz better than 80 dB Additional error according to crest factor 0 2 96 for a crest factor of 2 to 3 0 5 for a crest factor of 3 to 6 Specification given full scale for a squarewave signal pulse 200 ys wide 12 Portable digital multimeter Chapter Curve showing typical measurement error 5 V 50 V 500 V ranges Vin 100 F S 50000 pts Vin 50 F S 25000 pts Vin 15 F S 7500 pts 1 2 5 109 Vin 5 F S 2500 pts 1000 pts 1 kHz 10 kHz 100 kHz 5 3 DC current Selector Max switch Ranges Accuracy voltage Protection F

MODEL MX54 - Chauvin Arnoux Group

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