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Triplett 60-A, Instruction Manual

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Summary of Contents for 60-A

Page 1: ...www SteamPoweredRadio Com MODEL t 60 A VOLT OHM MILLIAMMETER ...

Page 2: ...he general instructions before attempting to use this tester Do not exceed the limits of the tester SAFETY CHECK Double check the switch setting and lead connections before making measurements Are you following all of the instructions Disconnect the tester or Lurn off the power before changing switch positions Do not connect to circuits with voltage present when switch is in a ny ohms or current p...

Page 3: ...cuit off and wait for the meter to return to zero DISTRIBUTION CIRCUITS PACK A PUNCH In high energy circuits such as distribution trans formers and bus bars dangerous arcs of explosive na ture can occur if tbe circuit is shorted If the tester is connected across a high energy circuit when set to a low resistance range a current range or any other low im pedance range the circuit is virtually short...

Page 4: ... Volts 14 Measuring AC Volts 16 Measuring Output Voltage 16 Measuring DC Current 18 Measuring AC Current With Model 10 Adapter 20 Measuring Decibels dB 22 Confidence Test 23 Calibration 24 Maintenance 26 Accessories 29 Replaceable Parts List 32 Parts Location Circuit Board 34 Schematic Fold Out 35 Warranty 36 Printed in U S A 3 Part No 84 278B ...

Page 5: ...tely 5 000 ohms volt DC CURRENT 0 0 1 10 100 1000 milliamperes at approxi mately 320 millivolts RESISTANCE 0 lk 10k 100k 1 Meg 10 Meg 12 120 l 2k 12k 120k ohms center scale DECIBELS 20 dB to 62 dB AC CURRENT RANGES WITH MODEL IO ADAPTER 6 12 30 60 120 300 AC Amps OHMMETER SPECIFICATIONS Range Voltage Volts Current mA Power Trans fer To Load mW Max Xl 1 7 142 60 4 Maximum Values XIO XIOO Xlk l 7 l ...

Page 6: ...black test lead supplied each 48 inches long CARRYING HANDLE Position indent provides inclined tester stand OVERLOAD PROTECTION Meter movement protected by a diode module 1 8 Amp 250V Fuse Littelfuse 362 125 8AG 1 Amp 250V Fuse Bussmann ABC 1 or Littel fuse 314001 3AB 2 Amp I000V Fuse is located inside tester Re place with Bussmann HVA 2 or Littelfuse 621002 BATTERIES One 1 5 Volt D cell NEDA l 3F...

Page 7: ... day to day use The Model 60 A is warranted to with stand an accidental drop up to a five foot height with de viation from its stated accuracy not exceeding 4 The warranty does not include mechanical parts being defaced scratched etc from a drop or normal usage OVERLOAD PROTECTED The instrument has been en gineered for significant reduction in the need for mainte nance by virtual elimination of pa...

Page 8: ...ehensive test of the instr ument it does permit a high level of confidence IO the instrument meter if the pointer indicates within the area of the test symbol Ranges l1ave been designed to cover nearly all applica tions with the added convenience of signal level measure ments in decibel decade steps The carrying handle can be rotated to provide a sta nd for placing the inst rument at a viewing ang...

Page 9: ...off 3 Install batteries 4 Replace cover ADJUST POINTER TO ZERO With unit in operating position use a screwdriver to adjust pointer for a zero indication While keeping the pointer on zero reverse the rotation of the screw slightly to disengage it This will reduce the affect of pointer shift under shock 8 ...

Page 10: ...NDER LOAD Quality switches are used but any switch will arc if changed while under load Disconnect the test probes or shut off the circuit under test before the range switch or polarity switch positions are changed This practice will result in increased life and reliability of the instrument MEASUREMENT ERRORS Readings on the ensitive ranges may sometimes be different than expected due to thermoel...

Page 11: ... sets full scale 0 ohms indication on ohms ranges with test leads shor ted Range Switch se lects measurement range should be placed in OFF posi tion when unit is not in use for best meter protection P anel Jacks plug black test lead into COM jack and red test lead into V 0 mA Jack Polarity Switch when in the position a positive voltage applied to the V 0 mA jack will cause an up scale pointer defl...

Page 12: ...ation B 600VDC C 190VDC B 60VDC C l9VDC B 6VDC C l 9VDC B 6VDC C 19VDC B 06mADC B 6mADC B 60mADC Range Switch Read Position Scale XlOk A Xlk A XlOO A Xl0 A XI A 3ACV D 3ACV E JOACV B lOACV E 30ACV C 30ACV E l000DCmA B 600mADC lOOACV B I00ACV 300ACV C Out Of 300ACV E Test F Tolerance lO0OACV B 11 Reading For Above Indication 80k Q 8kO soo n son an 1 85VAC 7 7dB 6VAC I7 7dB 19VAC 27 7dB 60VAC 37 7dB...

Page 13: ...e 0 scale Multiply the indication by the rar1ge multiplier e g multi ply by 10 on the XlO range 10 000 on tne l Ok range CONTINUITY TESTING Use the Xlk resistance range The lower battery drain will g ive longer battery life CAUTION Some semiconductor devices can be damaged by the voltage and current available in the ohmmeter circuit Compare ratings of semiconductor devices and ohmmeter specificati...

Page 14: ...www SteamPoweredRadio Com CA1 mow oesu1 u n IOOOOFFIOOO 00 JOO y 100 100 0 JO 0 10 10 3 I I ol t di 00 11 IIOK C Measuring Resistance 13 READ ON fi SCALE DISCONNECT POWERI ...

Page 15: ...oss the circuit to be measured OBSERVE ALL SAFETY PRECAUTIONS 5 Read DC voltage on the appropriate black 11 AC DC scale 0 0 3 DC VOLTS l Set the range selector switch to 0 l DCmA This is also 0 0 3 DC Volts 2 Check the setting of the polarity switch for proper polarity 3 Plug the test leads into the jacks 4 Connect the test leads across the circuit to be measured OBSERVE ALL SAFETY PRECAUTIONS 5 R...

Page 16: ...www SteamPoweredRadio Com READ ON AC DC SCALE vcc Measuring DC Volts 15 ...

Page 17: ...C component to the voltage to be mea sur ed and only the value of the AC component is desired a capacitor rnay be placed in series with the test lead to block the DC voltage The remaining AC voltage is known as output voltage 11 For gene r al audio f r equency measurements use a 22 uF capac itor For low frequency measurements or or measurements on the 3 A C volt range use a l 0 µ F or larger capac...

Page 18: ...teamPoweredRadio Com REA 0 ON AC DC OR3 VAC SCALES Measuring AC Volts _1 6 fr if 1 tA mcJal Y 4n n MAU l L o ooo o oo o r O o 10 I df I iOO l M RE AD ON AC DC OR 3 V C SCALES vcc Measuring Output Voltage 17 ...

Page 19: ...C current DCmA range with the range selector switch 2 Check the sett ing of the polarity switch for proper polarity 3 Plug t he test leads into the jacks 4 Connect the test leads in ser ies wit h the circuit to be measured OBSERVE ALL SAFETY PRE CAU TIONS 5 Read DC current on the black 0 10 AC DC scale 18 ...

Page 20: ...www SteamPoweredRadio Com AC DC SCALE READ ON g DC Current Measura1 19 ...

Page 21: ...switch to 3 ACV 3 Set the switch 011 the Model 10 to the 300 AC Am peres position 4 Press the plunger on the side of the Model 10 to open the jaws place the jaws around ONE conductor of the circuit to be measured and release the plung er Locate conductor in center of jaws for best ac curacy Do not place the jaws of the Model 10 around more than one wire An incorrect reading will result Observe all...

Page 22: ...odel 101 into a wall out let 4 Set the Model 10 range swit ch to the 30 AC Am pere position 5 Place the jaws of the Model 10 through the hole in the Model 101 6 Adjust the Model 10 range switch for maximum meter deflection Do Not Use the 60 120 or 300 Amp pos itions 7 Read AC current on the AC Amps scale 8 The sensitivity of the measurement can be in creased 10 or 20 times by following the above p...

Page 23: ...here is a reference level The Model 60 A reference level for 0 dB is l milliwatt into a 600 ohm load 775 ACV across 600 ohms Measurements made across load other than 600 ohms are relative measurements To measure decibels connect the Model 60 A the same as for measuring AC voltage or OUTPUT voltage if there is DC voltage present But read the dB scale instead of the voltage scales A chart on the dia...

Page 24: ... indica t ion While keeping the pointer on zero r everse the rotation of the screw slightly to disengage it Other information given in General Instructions on page 8 2 Set range selector to RXlOk ohms position 3 Plug in test leads in appropriate jacks and short t est tips together and adjust ohms con trol t o full scale ohms zero 4 With the test leads shorted together switch range selector to Test...

Page 25: ...TION A Set function switch to 1 DCV position B Set polarity switch to C Connect test leads to a 50 µA source D Adjust R34 for full scale on the 0 10 scale 3 DCmV CALIBRATION A Set function switch to 1 DCmA posi tion B Set polarity switch to C Connect test leads to a 316 mV source D Adjust R35 for full scale 0 10 scale 4 3 AC VOLTS CALIBRATION A Set function switch to 3 ACV range B Set polarity swi...

Page 26: ...Adjust R30 to full scale on the 0 30 scale 6 REPEAT STEPS 4 AND 5 A Re adjust R29 and R30 if necessary to compensate for interaction of the two controls 7 CHECK ALL RANGES FOR ACCURACY A With appropriate voltage current and ohms standards check all ranges r I I I I __ ________ R30 I R29 300 VAC I t 3 VAC o R34 R35 50uA _ 316mV Calibration Controls Accessible From Top Of PCB 25 ...

Page 27: ... should be replaced A 9V transistor NEDA 1604 battery is used on the Xl0k range If the pointer cannot be adjusted to ze ro on the XlOk range the 9 volt battery should be re placed See General Instructions page 8 for battery replace ment procedure FUSE REPLACEMENT Three fuses are included two of which are acces sible by removing the batt ery compartment cover and the third which is a 2 Amp 1000 vol...

Page 28: ...nn ABC I or Littelfuse 314001 3AB 27 1 Remove battery compartment cover see General In structions page 8 2 Slide clip towards edge of case until the fuse releases Pull fuse out 3 Holding clip towards edge insert re placement fuse 4 Press fuse down un til clip springs back over fuse use probe to assist if desired 5 Replace battery compartment cover ...

Page 29: ...A mp lO00V fuse 2 6JilP 1000V FUSE BUSSMANN HVA 2 OR UTTE lfOSE 621002 28 1 Remove battery com partment cover s ee General Instructions page 8 2 Remove three screws containing case Re move case 3 Locate fuse remove and replace 4 Replace case and battery cover ...

Page 30: ...oweredRadio Com ACCESSORIES The usefulness and range of the VOM can be extend ed by the use of the following accessories 1 Miniature Clip For High Density Circuits 2 Leather Case Part No 10 2739 29 Part No 79 373 ...

Page 31: ...www SteamPoweredRadio Com ACCESSORIES cont d 3 DC Current Shunts 4 High Voltage Probes Part Numbers 0 30kV DC 79 357 0 30kV AC 79 362 30 Part Numbers 0 30 Amp 91 628 0 100 Amp 91 629 ...

Page 32: ...www SteamPoweredRadio Com ACCESSORIES cont d 5 AC Current Measuring Accessories ATTACHMENT LEAD 79 354 r 7 CLAMP ON ADAPTER I MODEL lO LINE SEPARATOR 60 211 MODEL 101 60 218 31 ...

Page 33: ... 63 2 2 W W Res istor 655 n W W Resistor 10 2k Pree Resistor 27 9kPrec Resistor 316 2W W Resistor 3 16 2 W W Resistor 31 8 0 w W Resistor 6 32k Pree Resistor Variable 5k Resistor Variable 5k Resistor Variable 7 5k Resistor Variable 50k Resistor Variable 500 Ref No Bl B2 Fl F2 32 F3 CRl CRZ CR3 DSl Rl8 Rl9 R20 R21 R22 R23 R24 R25 R26 R29 R30 R32 R34 R35 Part No 2426 1 37 36 320 58 3207 45 3207 60 5...

Page 34: ...ery Compartment Assy Printed Panel w Hardware Knob Rotary Switch Knob 0 Adjust Fuse Clip Back up Spring Coil Spring Fuse Gase Assembly w Handle Handle w Hardware Rubber Foot Battery Compartment Cover Test Leads Package Part No 22 654 61 210 22 661 46 1 56 92 8 2451 122 28 1123 28 1150 34 167 34 164 42 289 42 27 8 10 2829 3206 59 98 49 10 2830 79 374 Ii CRl or CR2 is replaced recalib r a t ion of A...

Page 35: ...amPoweredRadio Com R29 R30 R35 R34 R28 CR3 R27 R33 Rl6 CR2 R36 CRI R21 OSI R26 R20 R25 Rl5 R24 Rl9 R23 Rl4 R31 RIB Rl7 Rl3 R22 RI R37 R2 Rl2 R3 Rtl R4 RIO R5 R9 R6 RB SWI R7 R38 Parts Location Circuit Board 34 ...

Page 36: ...www SteamPoweredRadio Com CASE TO PANEL 3 SCREWS lO SERVICE PC BOARD REMOVE TWO SCREWS ANO FOLOOVER AS ILLUSTRATED BATTERY COVER TO CASE I SCREW CAPTIVE D is a ssembly Instr uctions ...

Page 37: ...OF SWITCH POSITION N 0 STRUT SCREW ROTARY SWITCH SHOWN IN OFF POSITION POLARITY SWITCH SHOWN IN POSITION DECK A NEAREST TO KNOB DECk B MIDDLE DECK C FARTHEST FROM KNOB R29 5K 3V AC CAL OSI 0 0 o OO 0 0 0 0 0 0 0 0 0 0 0 0 O 0 o oo o 0 R38 120K 0 0 00 0 RJO 300V CAL 5K Rt 7 5K R2 35K R3 1 08K R4 342K Bl 1 5V L 11 _ ___ B2 9V R3454____ 50 K 10 A CAL R33 1 4 K r 4 32M I 45 A 100 mV R35 5001 316 nV CA...

Page 38: ...d by this warranty To register a claim under the provisions of this warranty return the instrument or test equipment to Triplett Corporation Bluffton Ohio 45817 transportation prepaid Upon our in pection of the product we will advise you as to the disposition of your claim ALL WARRANTIES IMPLIED BY LAW ARE HEREBY LIMITED TO A PERIOD OF ONE YEAR AND THE PROVISIONS OF THE WARRANTY ARE EXPRESSLY IN L...

Page 39: ...www SteamPoweredRadio Com Triplett Coro Bluffton Oh ...

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