Page 3 - Tabl e of C ont ent s; D e c l ar a ti on o f C on fo r m i ty
HP 974A Multimeter Tabl e of C ont ent s S a fe ty S u m m ar y . . . . . . . . . . . . . . . 1- 4 S a fe ty S y m b ol s . . . . . . . . . . . . . . 1- 4M ax im um O v er v ol ta ge L im it at io ns . . . 1- 5P r o be s an d Te s t L ea ds . . . . . . . . . 1- 6 O p er a ti on . . . . . . . . . . ....
Page 4 - Sa fety Summary; Saf ety S ym bo l s; In di c at es t er m i na l s at w hi c h da ng er ou s vo l ta ge s m ay e xi s t.; WA RN IN G
Sa fety Summary The C AU TION S an d WAR NI NGS w hi c h ap pe ar o n th e fo l l ow i ng p ag es m u st b e fo l l ow ed t oen su re o pe ra to r sa fe ty a nd t o re ta i n th e op er at i ng c on di t i on o f th e M ul t i m et er . 1. Do n ot u se t hi s p ro du ct b ey on d i ts s pe ci f i ca...
Page 5 - M a x i m um O v e r v o l t a g e Li m i t at i o ns ( A C a nd D C V o l t a g e Fu nct i on s ); Safety Summary
WA RN IN G P OSS IB LE ELE CTR IC AL SH OCK . Ca l i br at i on a nd p er fo rm a nc e te st s ar e to b e pe rf or m ed b yq ua l i fi e d pe rs on ne l o nl y . Do n ot a tt em p t ca l i br at i on o r te st p ro ce du re s un l es s qu al i f i ed t o do s o. C AU TION To a vo i d da m ag e to t...
Page 6 - m A o r; Pr ob es and Test Lead s
Funct ion Max imum Oper at ing Input 10 A ± 1 0 A (d c or a c rm s ) / 60 0 V m A o r µ A ± 5 00 m A ( dc o r ac r m s) / 2 50 V R es i st an ce , Di o de Te st , Te m pe ra tu re , Co nt i nu i ty 50 0 V (d c or a c rm s ) Fr eq ue nc y ( 10 H z to 9 .9 99 k Hz )( 9 kH z to 2 00 k Hz ) 50 0 Vr m s1...
Page 7 - Ope rat i on
Ope rat i on Ter m inals, S hu tt er, & T est L eads R E D LE A DC u r r e n t M e a s u r e m e n t s ( 0 A t o 1 0 A) R E D LE A DC u r r e n t M e a s u r e m e n t s ( 0 t o 4 0 0 m A) B L A C K LE A DC O M MO N A L L M e a s u r e m e n t s R ED L EA DD C & A C Vo l t a g e ,D i o d e ,...
Page 8 - Fu nct i on Sw i tch; Swi tc h; Operation
Fu nct i on Sw i tch Swi tc h P o si ti o n Di spl ay 1 0A DC C ur re nt ( 1 m A to 1 0 A) AC C ur re nt ( 1 m A to 1 0 A) 50 0 m A DC C ur re nt (1 0 µ A to 0 .5 A ) AC C ur re nt ( 10 µ A to 0 .5 A ) 50 m A DC C ur re nt ( 1 µ A t o 0. 05 A ) AC C ur re nt ( 1 µ A t o 0. 05 A ) 5 00 µ A DC C ur re...
Page 9 - Fu nct i on K eys; Pow er; Pre ss
Fu nct i on K eys Pow er Au to m at i c po we r of f af te r 30 m i n ut es . Al a rm so un ds 3 0 se co nd s be fo re a ut om a ti c p ow er o ff .Pr es s an y ke y or c ha ng e an y fu nc ti o n to c an ce l a ut om a ti c p ow er o ff . De fe at a ut om a ti c p ow erof f by h ol d i ng ke y fo r...
Page 10 - Aver age
Minimum/Maximum 1 Pre ss Ac tion M a in Di splay S ec ondar y Di splay 2 Be gi n r ec or di n g of m i n , m ax , an d av g 3 v al u es Ea ch m e as ur ed v al u e E l ap se d ti m e Di s pl a y re co rd ed m a xi m u m M a xi m u m m e as ur em e nt Ti m e o f M ax i m um D i sp l ay r ec or de d m...
Page 12 - Fu nct i on Keys and Fu nct i on Sw itch Matr ix; Funct ion; m V
Fu nct i on Keys and Fu nct i on Sw itch Matr ix Funct ion R elat iv e % (P er ce nt) M in / M ax 3 Av er age Da ta H old A uto- Hol d Ra nge µ A, m A , 10 A • • • • • • µ A, m A , 10 A • • • • • • • • • • • • Ω • 1 • • • • • • • ° F , ° C • • • m V • • • • • V • • • • • • • • • V • • • • • • • H z ...
Page 13 - wh en u si n g th e Co nt i nu i ty f un ct i on .
D i s pl a y A ud i o Powe r on Fi rs t be ep a t po we r on . Se co nd b ee p wh en b eg i nn i ng t o m ak e m ea su re m en ts . Si n gl e b ee p In di c at es a ny v al i d f un ct i on k ey p re ss .In di c at es a n ew H i gh o r Lo w va l ue r ec or de d wh en i n M i n /M a x fu nc ti o n. S...
Page 14 - Ca li brat i on a nd A djus t ment; Requ ired Test Eq ui p m ent; En vi r on m en ta l r an ge f or c al i b ra ti o n: 2 3
Ca li brat i on a nd A djus t ment Requ ired Test Eq ui p m ent The s ou rc e us ed f or t he c al i b ra ti o n sh ou l d ha ve a n ou tp ut a cc ur ac y as g oo d or b et te r th anth at l i s te d i n th e sp ec i fi c at i on s. C al i br ati o n P ro cedu re En vi r on m en ta l r an ge f or c ...
Page 15 - Ma int e nanc e; Batt ery Rep l acement; C AU TION
Ma int e nanc e Ope ra to r pr ot ec ti o n fr om el e ct ri c s ho ck h az ar d i s pr ov i de d by a d ou bl e i n su l at ed e nc l os ur e.Re fe r to p ag es 1 -4 a nd 1 -5 f or m a xi m u m v ol t ag e sp ec i fi c at i on s. Whe n se rv i ci n g, u se o nl ysp ec i fi e d re pl a ce m en t pa ...
Page 16 - Tr ou bl esh oo ti n g; Problem; C l e a ni n g; Maintenance
Tr ou bl esh oo ti n g Problem Pos sible C aus e S ugges te d A ct ion Un i t wo n’ t t ur n on De ad B at te ri e s Re pl a ce b at te ri e s U ni t w on ’ t tu rn o ff In pu t l i m i t ex ce ed ed Re m ov e te st l e ad s an d pr es s an y ke y to r es et . Di s pl a y fl a sh es a nd R ap i d be...
Page 17 - Spe ci f ic at i ons; Gen eral; N ot S pe ci f i ed
Spe ci f ic at i ons C a l i b r a t i o n p e r i o d : s i x m o n t h s m i n i m u m . Sp e c i f i c a t i o n s a p p l y a t 2 3 ° C ± 5 ° C , < 8 0 % R H Ac c u ra c y = ± ( % o f r e a d i n g + n u m b e r o f d i g i t s ) T e m p e r a t u r e C o e f f i c i e n t = Ac c u r a c y 0 ...
Page 18 - Specifications
A C + D C V ol t a ge ( rm s r e s po nd i ng , c om p ut e d f ro m a c V , d cV ) Ra nge Resolution Ac cur ac y DC , 20 H z to 10 k Hz D C, 1 0 kH z to 30 k Hz D C, 3 0 kH z to 50 k HZ D C, 5 0 kH z to 1 00 k Hz 5 V 1 m V ± ( 1% + 30 ) ± ( 1. 2% + 40 ) ± (2 .5 % + 7 0) ± (3 .5 % + 3 00 ) 5 0 V 10 ...
Page 19 - H z
Resistan ce Ra nge Re sol uti on A cc ura cy Te st C urr ent M a x Ope n C ir cui t V o lt age 5 00 Ω 1 0 m Ω ± ( 0. 06 % + 2 ) 1 < 8 00 µ A < 5. 5 V 5. 0 k Ω 1 00 m Ω ± ( 0. 06 % + 2 ) 50 k Ω 1 Ω < 80 µ A < 2. 2 V 5 00 k Ω 10 Ω < 15 µ A 5. 0 M Ω 10 0 Ω ± ( 0. 5% + 1) < 1. 5 µ A 5 ...
Page 20 - C Th erm i st or pr ob e); mW ref eren ce (r ms resp on di n g, co mpu ted fr om AC V olt age); Input dB m
Temp erat ur e (5 k Ω @ 2 5 ° C Th erm i st or pr ob e) ° C ° F M ea su re m en t Ra ng e - 80 ° t o 15 0 ° -1 12 ° t o 30 2 ° R es ol u ti o n 0. 1 ° 0. 1 ° A cc ur ac y 1 ± 0. 2 ° ± 0. 4 ° 1 Ac c u r a c y d o e s n o t i n c l u d e 5 k Ω T h e r m i s t o r e r r o r dB m 6 0 0 Ω 1 mW ref eren c...
Page 21 - Adj ust me nt s
Page 22 - Ca li brat i on Ta ble
Ca li brat i on Ta ble C AU TION D an ge ro us v ol t ag es a re p re se nt d ur i ng t he c al i b ra ti o n pr oc ed ur e. C al i b ra ti o n sh ou l d on l y bep er fo rm e d by q ua l i fi e d se rv i ce t ec hn i ci a ns u si n g a no n- co nd uc ti v e to ol . Ste p Func ti on R ange Input Si ...
Page 23 - Calibration Table
Ste p Func ti on R ange Input Si gnal Adj ust me nt (l im it ) Tol er anc e (c ounts ) 17 V 50 V 4 8. 00 0 V @ 1 0 kH z C3 ( ± 20 ) ± 27 0 18 48 .0 00 V @ 10 0 kH z — ± 17 40 19 4 8. 00 0 V @ 2 00 H z — ± 27 0 20 50 0 m V 48 0. 00 m V @ 10 k Hz — ± 36 6 21 7 50 V 75 0. 0 V @ 2 00 Hz — ± 10 5 22 Ω 50...
Page 24 - Re pla ce abl e Pa rts/ Ac ce ss orie s; Ca ll out
Re pla ce abl e Pa rts/ Ac ce ss orie s Re fe r to t he d i sa ss em b l y di a gr am on p ag e 6- 5. Ca ll out De sc ription H P Pa rt N umbe r F1 Fu se , 50 0 m A, 2 50 V f as t bl o w Li t tl e fu se 2 16 -5 00 DO NOT SU BS TITU TE 2 11 0- 09 40 F2 Fu se , 15 A , 60 0 V fa st b l ow L i tt l ef u...
Page 25 - D i s a s s e m bl y; A l wa ys d i sc on ne ct t he t es t l ea ds b ef or e op en i ng t he c as e.; Replaceable Parts/Accessories
D i s a s s e m bl y WA RN IN G A l wa ys d i sc on ne ct t he t es t l ea ds b ef or e op en i ng t he c as e. Replaceable Parts/Accessories 6-5
Page 26 - D E C L A R A TI O N O F C O N FO R M I T Y; accor ding to ISO / IEC Guide 22 and E N 45014; J i m Wh i te , QA M an ag er
D E C L A R A TI O N O F C O N FO R M I T Y accor ding to ISO / IEC Guide 22 and E N 45014 Ma nu f ac t ur e r ’s N am e: H ewlett- Packar d Company, P ersonal Measur ements Oper ation Ma nu f ac t ur e r ’s A dd r es s: 815 14th S treet S .W., Loveland, Color ado 80537 U.S .A. de cla r es , t ha t ...
