BK Precision 2831C, Lnstruction Manual

Page 1: ...lnstruction Manual Model2831C 3 llzDigitBench TypeDigital Multimeter ...

Page 2: ... leadsffom the instrumentand point of measurementbefore replacing fusesor performing any servicing on the multimeter 3 Use only shroudedsafetytype testleadslike thosesupplied Periodicallyinspectinsulationfor anyburns cuts or breaks Never usetestleadswith exposedbarewiresor poor insulation 4 Turn offequipment while making testcomectionsin high voltaggcircuits removingpower Dischargehigh voltage cap...

Page 3: ...Instruction Manual for Model 2831C Bench Type 3 112 Digit MULTIMETER KKPRECilsffEJ 1031Segovia Circle Placentia CA92870 ...

Page 4: ...A T O R S 7 O P E R A T I N G I N S T R U C T I O N S 8 Preliminary 8 V o l t a g e M e a s u r e m e n t s 8 Page C u r r e n t M e a s u r e m e n t s 9 ResistanceMeasurements 9 ContinuityTesting 10 D i o d e T e s t i n g 1 0 MI TNTENANCE II huseReplacement 11 l i n e V o l t a g e S e l e c t i o n 1 2 f e s t l e a d s 1 2 InstrumentRepairService 12 WARRANTY SERVICEINSTRUCTIONS 14 L I M I T E...

Page 5: ...igits with automaticminus sign and auto zerocapability The unit is housedin a rugged attractiveplastic case and the carrying handledoublesas a sturdytilt stand The tilt standcan be folded on top of the instrument to allow stacking with your other instrument Safety features include safety jacks safety test leads and extensiveoverloadprotection includinga high energyfuse B K Precision offers a full ...

Page 6: ...mum at5060 Hz Response time 3 seconds maximum Response time TRIIE RMS FROM lE o tD10V oOFRANGE RANGE I IAXIMUM INDICATIONFREQENCY ACCRACY MAX INPUT VOLTAGE 200mV 199 9mV 4oFtsb1Kl E 1KFtsb 10Kt E 10Klkb20Klh nrcb b Ki t 0 5 oftdg 46651 t 2 ofrdg acnbl t 5 oftdg 4cnb1 t 1flo ofrdg 46651 750V rms 2 V 1 gSSV 4or tsb 1Kt b 1KFLto 10KJ L 10Kt tsb20Klb 20K tsb40KlE 0 5 ofrdg acnbl 2 o oftdgr q6 5 oftdg ...

Page 7: ...at 20 A I second Overload protection 2 N250 V fusein series onmA inputjack 20A range unfused testleads Response time 2 5 V 0 25V across 20A jacks at 20 A 3 second Overload protection 2 N250V fusein series onmA inputjack 20A ranseunfused RANGE MAXIMUM INDICATIONFREQUENCY ACCURACY MAXIMUM INPUT 200pA 199 9 pA 40Hzto10KHz 10KHzto20KHz t 1 ofrdg 4cnb 2 ofrdg acnE 2 A 2mA 1 999 mA 40Hzto10KHz 1OKFlzto2...

Page 8: ...e 90 o maximum to 3511 except 80oZmaximum on 2000k O and 20 M O range 70Yomaximum to 40t non condensing open circuitvolage 5 V maximumloadedwith Maximumcommon 500v l0 M e r4ueuwrtl modevoltage Display LED 0 43 character height Response time 3 second 20 seconds on 20 MO range Powerrequirements 100 120 2201240 Y 50160 Hz 5 W DIODETEST Dimeensions xHxD 261 x 7t x 2l l mm Tested on 2 Kf range I mA tes...

Page 9: ... PR 21 Isolatior DirectProbe Model TP 30B TemoeratureProbe Model PR 23 DemodulatorProbe I I Additional Af cessories TL 2AReplacement TestLeads Model PR 28A High voltageProbe Seeyour local B K Precisiondistributor for moredetails ...

Page 10: ...onwith switch 8 and 10 rc zVnmA KCy iF Switctr Selects 2 V rangefor acldcvoltage finctions 2 mA rangefor acldccurrentfi urctions and2 Kf range for resistance firnction Also selects diodetest tF function ll 20 Vn0 mA 20 I O Switch Selects 20 V rangefor ac dc I voltagefinctions 20mA rangefor ac dc currentfimctions and 20 K f2rangefor resistance function 12 200 VD00 mAn00 KC Switch Selects 200V range...

Page 11: ...CONTROLS AND INDICATORS Y o 0 t 8 8 8 7 B 9 Fig 1 Controls and indicators 7 ...

Page 12: ... on by depressing the POWER switch VOLTAGE MEASUREMENTS l Pressthe V functionswitch 2 Selectac or dc measurement usingthe AC DC switch Set for dc nreasurement by setting switch to disengaged out position Pushswitch in for ac measurement 3 If the voltage to be measuredis unknown start with the 1200VDC I000 VAC range 4 lf an approximatevoltagerangeis known simply pressthe switch for the rangedesired...

Page 13: ... currenttestleads s 4 lf m approximatecurrent range is known simply pressthe switch for therangedesired Greatest resolutionis attained using the rangeclosestto anoverange for thecurrentbeingmeasured a For currentmeasurements of 2 A or less connect the red test leadto the2 A jack andtheblacktestleadto the COM jack b For curent measurements greater than2 A connectaredhigh currenttestleadto the 20 Aj...

Page 14: ...ch 2 Pressthe 2 K switch 3 Connectthe red testleadto the V fi jack andthe blacktest lead to the COM jack The red leadis polarity The meter usesconventional current leadpolarity for diodetesting i e current flow assumedfrom positive to negative 4 To checkdiodeforwardvoltage Vr connecttheredtestleadto the anodeandthe black test leadto the cathode Diodes and semiconductor junctionswith normalV of les...

Page 15: ... current fuses Gurrent Range Fuse Note The fusemost likely to openfirst canbe inspected and changedwithout caseremoval It is locatedon the rearpanelof the unit Simply use a flat blade screwdriver to rotate the terminalcounterclockwise Then remove the entireassembly includingthe fuse If this fLseis blown replaceit with the appropriate2 A 250 V 5 x 20 mm fast blow firse art number 196 300 2 000 Then...

Page 16: ... and test equipmentrequired extractedwith the aid of a flat blade scre 4 for inskument repair and calibration many customersprefer to qrlver rely upon B k Precision for this service We maintain a 2 Pull out the fusefrom the fuseholderandchargethe fuse network of B K Precision authorizedservice agenciesfor this purpose To use this service even if the instrument is no rating in accordancewith specif...

Page 17: ... 2 25 ry CAUTION tLi ls oscol rffi PilER cso BEF0RI Rtuo 6covER RtrtR r0 ol rnD Fllct Fttsofn r llrs EouFil r r LJsT r tr rHED n RfPuct FUst GL 6 5pgggl5p e A u D Fuse rink Mlll Fhln eiusel v1c1ru Holderrilh voltogeselector Iiio qe ncPowersource B Fuse drorer l 3 ...

Page 18: ...ice Customersnot on open accountmust include payment in the form of a money order or credit card For the most current repair chargescontact the factory before shippingthe product Contact B K Precision to obtain a Rdturn Authorization numberbeforeshippingthe productto B K The RA number must appear on the addresslabel Return all merchandiseto B K Precision Corp with pre paid shipping The flat rate r...

Page 19: ...etingandmailing the enclosedwarrantycard to B K Precision Corp l03l SegoviaCircle Placentia CA92870 within fifteen 15 daysflom proof of purchase Exclusions This warranty does not apply in the event pf misuseor abuseof the product or as a result of unauthorized alternations or repairs It is void if the serial number is qlternated defacedor removed B K Precision Corp shall not be liable for any cons...

Page 20: ...del TR l10 or l6Q4IsolationTransformer or Model 1653or l655AC Power Supplyis suitablefor most applications To be on the safeside peat all two wire ac poweredequipmentas hot chassis unlessyou are sureit hasan isolated chassisor an earthground chtissis l1 B K Precision productsare not authorizedfor usein any applicationinvolving direct contactbetweenour productand the human body or for use as a crit...

Page 21: ...PAtr 481 316 9 001 Printedin Taiwan 19998 KPrecision Corp 1031 Segovia Circle Placentia CA9287 0 7137 USA TEL 714 237 9220 Fpd 714 237 9214 www bkprecision com ...